Water purification device using wastewater treatment equipment

Abstract

This invention provides a water purification device utilizing a wastewater treatment apparatus. It does not generate useless wastewater, achieves miniaturization and low cost, and can generate a sufficient amount of purified water using a power supply mechanism that utilizes natural energy, such as solar panels or wind turbines. The device is equipped with: a portable base; a foreign matter removal mechanism to remove foreign matter from externally supplied raw water; multiple treatment tanks arranged on the base according to the water purification process of the raw water after foreign matter removal; multiple reagent tanks for containing reagents to be added to at least some of the multiple treatment tanks; a filtration mechanism for filtering the treated water from the multiple treatment tanks; and a disinfection mechanism for disinfecting the treated water filtered by the filtration mechanism to form drinking water. All water purification processes, except for the foreign matter removal process, are completed on the base to convert the raw water into drinking water.

Description

Technical Field

[0001] This invention relates to a water purification device utilizing a wastewater treatment apparatus, the water purification apparatus being equipped with a portable base, and the wastewater treatment apparatus used to treat wastewater converts raw water into chemically safe drinking water. Background Technology

[0002] In the past, wastewater treatment equipment (factories) were configured to treat various types of wastewater by chemically treating dissolved or mixed metals, metal oxides, etc., according to the chemical characteristics of the wastewater, and then neutralizing them to cause the dissolved substances and mixtures to precipitate. The precipitated solid substances were then separated and discharged as treated water. These various types of wastewater included: degreasing or chemical rinsing water or other treated wastewater after degreasing or chemical treatment before coating of metal products that have undergone machining or assembly processes; wastewater after drum grinding treatment in a tank-type device where the product to be ground is mixed and stirred with grinding stones or abrasives and water; or wastewater after aluminum anodizing treatment; furthermore, wastewater after plating treatments such as molten zinc plating; and wastewater after degreasing treatment in semiconductor manufacturing equipment and pickling treatment using sulfuric acid or hydrochloric acid, etc. (Patent Document 1, etc.).

[0003] Wastewater treatment equipment (factories) are equipped with multiple treatment tanks, including: multiple treatment tanks that use acids, alkalis, etc., to chemically treat the wastewater according to its type and chemical characteristics; and separation tanks that sequentially add prescribed reagents according to the treatment process of each treatment tank and then separate solid substances after chemical treatment. Furthermore, in wastewater treatment equipment (factories), multiple treatment tanks are connected by piping according to the required wastewater treatment capacity of the equipment, and piping and other equipment for adding prescribed reagents to multiple treatment tanks are installed. This necessitates the use of highly complex equipment designed based on advanced chemical knowledge.

[0004] In the past, wastewater treatment equipment (plants) were designed and constructed by designers and contractors based on the type, chemical characteristics, or scale of wastewater discharged from users' factories, etc., and were installed on the user's factory or other site. Therefore, wastewater treatment equipment (plants) presented technical challenges, including a very long time required from design and construction to completion and operation, and inevitably high manufacturing costs.

[0005] In addition, as a mobile wastewater treatment unit or water purification device, the devices disclosed in Patent Document 2, Patent Document 3, etc. have been proposed.

[0006] Patent Document 2 discloses a movable wastewater treatment unit that is equipped with a wastewater treatment tank with a flow adjustment tank and a blower for supplying oxygen to the wastewater treatment tank inside a conveying container. The wastewater treatment tank is equipped with an anaerobic tank and an aerobic tank, and the conveying container is equipped with an inspection port for maintenance of the wastewater treatment tank.

[0007] Furthermore, the water purification device in Patent Document 3 is as follows: At least a solar cell module is mounted on the top plate of a container for transporting goods. A water purification device body and a control panel are mounted inside the container. The water purification device body has multiple pumps that operate using electricity obtained from the solar cell module. The control panel uses this electricity to control the water purification device body. The water purification device body is equipped with a solid-liquid separation treatment unit and a clarified liquid collection device disposed between the solid-liquid separation treatment unit and a downstream filter device. Contaminated raw water and coagulant are introduced into a reaction tank. The solid-liquid separation treatment unit separates the flocculated material that settles due to the rotation of a stirring mechanism driven by a drive motor installed in the reaction tank from the transparent water that has become transparent. The clarified liquid collection device is equipped with a transfer pump on the downstream side and presses the clarified portion downstream via a movable tube mechanism. The movable tube mechanism moves up and down within the clarified liquid collection tank according to changes in water level and attracts the clarified portion in a manner that does not suck in floating flocculated material remaining in the transparent water within the clarified liquid collection tank.

[0008] However, the wastewater treatment unit according to Patent Document 2 is merely a wastewater treatment tank equipped with an anaerobic tank and an aerobic tank. It cannot handle wastewater with various chemical properties, such as degreasing treatment, chemical treatment of degreasing rinsing water, chemical rinsing water, etc., before coating, wastewater from roller grinding, wastewater after aluminum anodizing, and wastewater after plating.

[0009] Furthermore, the container-type water purification device according to Patent Document 3 separates solids and liquids by coagulating and settling impurities in raw water. Therefore, this container-type water purification device presents the technical challenge of requiring a settling time and area for separation, necessitating large-scale device size for batch operation and ensuring sufficient area. Additionally, regarding the characteristics of the RO membrane used as a filtration device, there is the technical challenge of wasting raw water by generating 2 to 3 times the production volume of wastewater.

[0010] Furthermore, the container-type water purification device according to Patent Document 3 employs a solar cell module mounted on the top plate of the container. However, considering the area of ​​the solar cell module mounted on the top plate of a 40-foot container, its power generation is only about 2.7 kWh / day. Since this water purification device uses an RO membrane as a filtration device, its filtration capacity is 2.5–3.0 kWh / m². 3 Furthermore, since RO membranes require high-output pumps to operate continuously, it is necessary to store electricity in batteries when utilizing natural energy sources with unstable power generation. However, considering losses due to battery charging and discharging (20-30%), the daily water production is less than 1 cubic meter. 3 .

[0011] Furthermore, according to the container-type water purification device in Patent Document 3, it is envisioned that in order to achieve solid-liquid separation through coagulation and sedimentation, the settling time (referencing a water purification plant) is about 6 hours, and it takes about 24 hours to store water in the filter tank after RO membrane treatment. In order to discharge the initial water, it takes more than a whole day, presenting a technical problem of long start-up time.

[0012] Furthermore, according to the container-type water purification device of Patent Document 3, since a high-output pump is required, it presents a technical challenge of becoming a very expensive device.

[0013] Furthermore, according to the container-type water purification device in Patent Document 3, since a large amount of sludge containing water is generated, sludge treatment is complicated, and a container for storing sludge is required, presenting a technical challenge that necessitates additional equipment.

[0014] Existing technical documents

[0015] Patent documents

[0016] Patent Document 1: Japanese Patent Application Publication No. 8-24877

[0017] Patent Document 2: Japanese Patent Application Publication No. 2015-39669

[0018] Patent Document 3: International Publication No. 2010-46960 Summary of the Invention

[0019] The problem that the invention aims to solve

[0020] The purpose of this invention is to provide a water purification device that utilizes a wastewater treatment apparatus, which features the following characteristics: it can handle various types of wastewater, such as wastewater from pre-coating treatment, wastewater from roller treatment, wastewater from aluminum anodizing treatment, wastewater from plating treatment, and wastewater from degreasing treatment in semiconductor manufacturing equipment, etc. Moreover, it can be installed and operated in a desired location with a shorter time and lower cost compared to the past.

[0021] In addition, the purpose of this invention is to provide a water purification device that utilizes a wastewater treatment apparatus, which does not generate wastewater, enables the device to be miniaturized and cost-effective, and can generate a sufficient amount of purified water through a power supply mechanism that utilizes natural energy such as solar panels or wind turbines.

[0022] Methods for solving problems

[0023] The invention described in Scheme 1 is a water purification device utilizing a wastewater treatment apparatus, equipped with:

[0024] A portable base;

[0025] A foreign matter removal mechanism that removes foreign matter from raw water supplied from the outside;

[0026] Multiple processing tanks are arranged on the base according to the water purification process of the raw water in which foreign objects have been removed by the foreign object removal mechanism;

[0027] Multiple reagent tanks, the multiple reagent tanks containing reagents to be added to at least a portion of the multiple processing tanks;

[0028] A filtration mechanism for filtering the treated water that has been treated by the plurality of treatment tanks;

[0029] The disinfection unit disinfects the treated water filtered by the filtration unit to produce drinking water.

[0030] On the base, at least all water purification processes for converting the raw water into drinking water are completed, except for the process of removing foreign matter from the raw water.

[0031] The invention described in Scheme 2 is a water purification device utilizing a wastewater treatment apparatus, equipped with:

[0032] One or more container bodies, the raw water to be treated is introduced into the one or more container bodies from the outside;

[0033] A foreign matter removal mechanism that removes foreign matter from the raw water introduced from the outside;

[0034] The container body contains multiple treatment tanks arranged sequentially with decreasing liquid levels. The tanks include at least: a first treatment tank for the raw water to be treated, a second treatment tank for the treated water already treated in the first treatment tank, and a third treatment tank for the treated water already treated in the second treatment tank.

[0035] The first to fourth pharmaceutical tanks contain pharmaceuticals that will be respectively added to the first to third processing tanks;

[0036] A first filtration mechanism filters the treated water stored in the third treatment tank.

[0037] The second filtration mechanism filters the water that has been filtered by the first filtration mechanism into beverage water.

[0038] The disinfection unit disinfects the treated water filtered by the second filtration unit to produce drinking water.

[0039] Inside the single or multiple container bodies, all water purification processes, except for the process of removing foreign matter from the raw water, are completed to convert the raw water into drinking water.

[0040] The invention described in Scheme 3 is a water purification device using a wastewater treatment apparatus as described in Scheme 1 or 2, equipped with a power supply mechanism that supplies power to part or all of the equipment used for moving the raw water and the treated water, and for adding and stirring the reagents, including at least one of a solar panel or a wind turbine.

[0041] The invention described in Scheme 4 is a water purification device using a wastewater treatment apparatus as described in Scheme 2, wherein the first treatment tank and the second treatment tank are configured such that the introduced wastewater or the treated water remains inside the first treatment tank and the second treatment tank for a predetermined time.

[0042] The invention described in Scheme 5 is a water purification device using a wastewater treatment apparatus as described in Scheme 2, wherein a third treatment tank is directly disposed on the bottom surface of the container body, and a pump is used to move the treated water from the third treatment tank to the first filter.

[0043] The invention described in Scheme 6 is a water purification device using a wastewater treatment apparatus as described in Scheme 2. A raw water tank for storing raw water to be treated is provided inside or outside the container body, and a pump provided in the raw water tank moves the raw water from the raw water tank to the first treatment tank.

[0044] The invention described in Scheme 7 is a water purification device using a wastewater treatment apparatus as described in Scheme 2, wherein the first filter performs filtration by injecting treated water retained in the third treatment tank into a plurality of filter elements.

[0045] The effects of the invention

[0046] According to the present invention, a water purification device utilizing a wastewater treatment apparatus can be provided, which has the following characteristics: it can handle various types of wastewater, such as wastewater from pre-coating treatment, wastewater from roller treatment, wastewater from aluminum oxidation treatment, wastewater from plating treatment, and wastewater from degreasing treatment in semiconductor manufacturing equipment, etc. Moreover, it can be installed and operated in a desired location with a shorter time and lower cost compared to the past.

[0047] In addition, the present invention provides a water purification device that utilizes a wastewater treatment apparatus, which does not generate wastewater, enables the device to be miniaturized and cost-effective, and can generate a sufficient amount of purified water through a power supply mechanism that utilizes natural energy, such as solar panels or wind turbines. Attached Figure Description

[0048] Figure 1 This is a plan view of a wastewater treatment apparatus that serves as the premise for the water purification apparatus according to Embodiment 1.

[0049] Figure 2 This is a front structural view of a wastewater treatment apparatus that serves as a prerequisite for a water purification apparatus according to Embodiment 1.

[0050] Figure 3 yes Figure 1 Section view along line III-III.

[0051] Figure 4 This is a right-side structural diagram of a wastewater treatment apparatus that serves as a prerequisite for a water purification apparatus according to Embodiment 1.

[0052] Figure 5 yes Figure 1 The VV-line section view.

[0053] Figure 6 It is a three-dimensional view showing the appearance of the container itself.

[0054] Figure 7 This is a structural diagram showing the piping of a wastewater treatment device that serves as a prerequisite for the water purification device according to Embodiment 1.

[0055] Figure 8 This is a structural diagram showing the structure in which the wastewater to be treated is retained in a treatment tank in a wastewater treatment apparatus that serves as a water purification device according to Embodiment 1.

[0056] Figure 9(a) is a front structural view of the treatment tank in a wastewater treatment apparatus that serves as a prerequisite for the water purification apparatus according to Embodiment 1.

[0057] Figure 9(b) is a plan view of the treatment tank in a wastewater treatment apparatus that serves as a prerequisite for the water purification apparatus according to Embodiment 1.

[0058] Figure 10(a) is a perspective view of a rinsing water storage tank for storing wastewater to be treated in a wastewater treatment apparatus that serves as a water purification apparatus according to Embodiment 1.

[0059] Figure 10(b) is a perspective view of a rinse water storage tank for storing wastewater to be treated in a wastewater treatment apparatus that serves as a water purification apparatus according to Embodiment 1.

[0060] Figure 11 This is a plan view of the water purification device according to Embodiment 1.

[0061] Figure 12 This is a front structural view of the water purification device according to Embodiment 1.

[0062] Figure 13 This is a rear structural view of the water purification device according to Embodiment 1.

[0063] Figure 14 This is a plan view of the water purification device according to Embodiment 1.

[0064] Figure 15 This is a structural diagram showing the piping of the water purification device according to Embodiment 1.

[0065] Figure 16 This is a structural diagram of the right side of the water purification device according to Embodiment 1.

[0066] Figure 17 This is a structural diagram of the left side of the water purification device according to Embodiment 1.

[0067] Figure 18 This is a plan view showing a modified example of the water purification device according to Embodiment 1.

[0068] Figure 19 This is a front structural view showing a modified example of the water purification device according to Embodiment 1.

[0069] Figure 20 This is a plan view of the water purification device according to Embodiment 2.

[0070] Figure 21 This is a front structural view of the water purification device according to Embodiment 2.

[0071] Figure 22 This is a rear structural view of the water purification device according to Embodiment 2.

[0072] Figure 23 This is a plan view of the water purification device according to Embodiment 2.

[0073] Figure 24 This is a structural diagram of the right side of the water purification device according to Embodiment 2.

[0074] Figure 25 This is a structural diagram of the left side of the water purification device according to Embodiment 2.

[0075] Figure 26 This is a structural diagram showing the piping of the water purification device according to Embodiment 2.

[0076] Figure 27(a) is a structural diagram showing the water purification device according to Embodiment 3 of this invention.

[0077] Figure 27(b) is a structural diagram showing the water purification device according to Embodiment 3.

[0078] Figure 28(a) is a structural diagram showing the water purification device according to Embodiment 3.

[0079] Figure 28(b) is a structural diagram showing the water purification device according to Embodiment 3.

[0080] Figure 29 This is a plan view of the water purification device according to Embodiment 4.

[0081] Figure 30 This is a front structural view of the water purification device according to Embodiment 4.

[0082] Figure 31 This is a plan view of the water purification device according to Embodiment 4.

[0083] Figure 32 This is a structural diagram showing the piping of the water purification device according to Embodiment 4.

[0084] Figure 33 This is a front structural view of the distillation unit of the water purification apparatus according to Embodiment 4.

[0085] Figure 34 This is a plan view showing the distillation unit of the water purification apparatus according to Embodiment 4.

[0086] Figure 35 This is a left-side structural diagram of the distillation unit of the water purification apparatus according to Embodiment 4.

[0087] Figure 36 This is a right-side structural diagram showing the distillation unit of the water purification apparatus according to Embodiment 4. Detailed Implementation

[0088] The embodiments of the present invention will now be described with reference to the accompanying drawings.

[0089] [Implementation Method 1]

[0090] Before describing the water purification device according to Embodiment 1 of the present invention, a wastewater treatment device, which is a prerequisite for the structure of the water purification device, will be described.

[0091] Due to the effects of global warming, the damage caused by natural disasters such as typhoons, heavy rains, and earthquakes is expanding. Incidents such as the collapse of power poles and power outages caused by typhoons and earthquakes, flooding of roads and floors caused by heavy rains, and water supply disruptions caused by earthquakes breaking water pipes are becoming increasingly frequent, disrupting essential lifelines.

[0092] The impact of a collapsed utility pole on above-ground structures, such as power supply, can be restored relatively quickly. However, when water supply is interrupted due to heavy rains causing flooding, submersion, or earthquakes causing water pipe ruptures, the restoration of underground water pipes can take anywhere from several days to weeks. In such cases, the supply of drinking water becomes reliant on water tankers. Unlike electricity, the supply of drinking water is directly a matter of life and death.

[0093] However, the wastewater treatment apparatus of the present invention is mainly intended for the treatment of various types of wastewater (industrial wastewater), such as wastewater from pre-coating treatment, wastewater from roller treatment, wastewater from aluminum oxidation treatment, wastewater from plating treatment, and wastewater from degreasing treatment in semiconductor manufacturing equipment.

[0094] In contrast, the pollution level of raw water such as rivers, lakes, or rainwater stored on land differs from that of industrial wastewater; it is only mild. Therefore, by adding a structural component, wastewater treatment device 1 can be used as a water purification device. Furthermore, since the wastewater treatment device is based on a container body, it can be moved by trucks or other means to desired locations such as disaster-stricken areas for rapid operation.

[0095] Figures 1 to 5 This is a structural diagram showing the overall structure of a wastewater treatment apparatus that serves as a prerequisite for a water purification device according to Embodiment 1 of the present invention. Figure 1 This is a plan view of the wastewater treatment device. Figure 2 This is a front view of the wastewater treatment device. Figure 3 yes Figure 1Section view along line III-III, Figure 4 This is a structural diagram showing the right side of the wastewater treatment device. Figure 5 yes Figure 1 The VV-line section view.

[0096] According to the wastewater treatment device 1 of this embodiment 1, such as Figure 1 As shown, a container body 2 is provided, conforming to ISO specifications. This container body 2 is, for example, a 20-foot container. The external dimensions of the container body 2 are set as 6058 mm in length, 2438 mm in width, and 2591 mm in height.

[0097] Within the International Organization for Standardization (ISO), to achieve the standardization of transportation infrastructure and ensure efficient transportation operations, containers are standardized. Regardless of the manufacturer, the external dimensions (outer dimensions) of containers conforming to ISO standards are identical. For ISO-standard containers, various sizes are available, such as 20-foot and 40-foot. Furthermore, the container body 2 only needs to have external dimensions equivalent to those of a container conforming to ISO standards; the container body 2 itself does not necessarily constitute the container itself. For example, the container body 2 could simply be a rectangular frame with external dimensions equivalent to those of a container conforming to ISO standards. Here, ISO standards are used as an example of a standard, but the organization is not limited to this; JIS standards, etc., can also be applied.

[0098] Container body 2, such as Figure 6As shown, it is formed into a slender cuboid shape with a top surface 3, a bottom surface 4, front and rear side surfaces 5 and 6 along the length direction, and left and right side surfaces 7 and 8 along the lateral direction. The container body 2 is basically equipped with: a rectangular frame 9 disposed on the bottom surface 4, a rectangular frame 10 disposed on the top surface 3, and four pillars 11 to 14 connecting the frame 9 of the bottom surface 4 and the frame 10 of the top surface 3 at the four corners. In addition, the frames 9 and 10 and the pillars 11 to 14 are not all necessary; the top surface 3, bottom surface 4, or side surfaces 5, 6, 7, and 8 can also serve the same function. For example, the frame 10 disposed on the top surface 3 is not necessary; the top surface 3 itself, which is made of steel plate and has a rectangular corrugated plate or other material that connects the four pillars 11 to 14, can also serve this function. Connecting portions 15-22 are provided at the eight corners of the container body 2 for lifting the container body 2 during handling, or for connecting it to adjacent container bodies 2 (not shown) in the vertical or horizontal direction. For the container body 2, except for the bottom surface 4, part or all of the top surface 3, the front and rear sides 5 and 6, and the left and right sides 7 and 8 may be open; alternatively, the top surface 3, the front and rear sides 5 and 6, and the left and right sides 7 and 8 may be completely closed, including the bottom surface 4. Furthermore, in... Figure 6 For convenience, the reference numeral for the connecting part 22 is placed in parentheses next to the connecting part 21; however, the connecting part 22 is positioned directly below the connecting part 18. The container body 2 is horizontally set, either directly or via a pedestal (not shown), on a leveled or cement-filled surface B (see reference 18) in a factory site or similar location. Figure 3 )superior.

[0099] According to the container body 2 of this embodiment 1, such as Figure 1 and Figure 6 As shown, on the front and rear sides 5 and 6, there are opening and closing doors 23 and 24 that can be opened and closed outwards for operator access. Furthermore, it goes without saying that the opening and closing doors 23 and 24 can also be provided on one or the other side 7 and 8 of the front and rear sides 5 and 6. Additionally, on a portion of the inner side (right side in the figure) of the container body 2 along the length direction of its right side 8, there is an opening 25 with a width slightly shorter than half the total length. The opening 25 is configured to be opened and closed by a gate 26 or an opening and closing door, except for a portion at the upper end. At the upper end of the opening 25, as... Figure 4 As shown, inside it is a gate box 27 that can be opened and closed to accommodate the gate 26.

[0100] Container body 2, such as Figure 2 and Figure 5As shown, leakage prevention measures are implemented throughout the specified height, including the bottom surface 4. A steel plate 28, which encloses the upper part of the frame 9, is laid across the entire bottom surface 4 of the container body 2 using welding or other methods. The steel plate 28 located on the ground can be a steel plate that constitutes the bottom surface 4 of the container body 2 itself, or it can be a steel plate separate from the ground surface 4 and only constitute the ground surface. Furthermore, considering the structure of the container body 2, it is desirable that the steel plate 28 on the ground constitutes the bottom surface 4 of the container body 2 itself.

[0101] Around the outer periphery of the steel plate 28 located on the bottom surface 4 of the container body 2, a leakage prevention wall 29, also made of steel plate or the like, is erected vertically to a predetermined height (e.g., about 100-250 mm) by means of welding or other methods, forming a planar rectangular frame that surrounds the entire periphery. The steel plate 28 and the leakage prevention wall 29 provide leakage prevention to the bottom surface 4 of the container body 2 to a predetermined height. Even assuming that wastewater or treated water leaks from the reaction tank 31, which will be described later, the leaked wastewater or treated water will remain inside the leakage prevention wall 29 on the bottom surface 4 of the container body 2, preventing it from leaking to the outside and contaminating the site or installation surface B. Furthermore, since leakage prevention treatment is implemented on the bottom surface 4 of the container body 2 itself, it is not necessary to separately implement leakage prevention treatment work around the periphery of the site where the container body 2, which serves as the wastewater treatment device 1, is installed, as is the case with conventional wastewater treatment equipment (plants). From this perspective, the wastewater treatment apparatus 1 according to Embodiment 1 can be easily installed. Furthermore, the leakage prevention and insulation functions can be further improved by using a steel plate 28 coated with synthetic resin or the like and the inner circumferential surface of the leakage prevention wall 29.

[0102] On the bottom surface 4 of the container body 2, as shown Figure 1 and Figure 2 As shown, a wastewater collection tank 30 with a concave cross-section is provided, which contains wastewater or treated water that leaks out to the bottom surface 4 from the right side 8 near the center of the portion along the length direction. Additionally, as... Figure 7 As shown, wastewater or treated water that can be contained in the wastewater collection tank 30 is drawn by the pump 301, or discharged through the wastewater pipe 303 equipped with a valve 302 provided on the side of the wastewater collection tank 30 to the rinse water storage tank 200 or the like provided on the outside.

[0103] like Figure 1 and Figure 3As shown, multiple treatment tanks are arranged inside the container body 2, with the liquid level decreasing sequentially. These tanks include at least: a reaction tank 31, an example of a first treatment tank for the wastewater to be treated; a neutralization tank 32, an example of a second treatment tank for the treated water treated in the reaction tank 31; and a storage tank 33, an example of a third treatment tank for the treated water treated in the neutralization tank 32. Furthermore, it goes without saying that the number of treatment tanks is not limited to three; four or more can also be configured.

[0104] To elaborate further, the interior of container body 2, such as... Figure 1 As shown, a passageway 34, serving as a corridor for operator movement, is provided along the entire length of the container body 2, connecting the front and rear opening / closing doors 23 and 24, at its central portion along its width direction. Furthermore, the interior of the container body 2 is divided into a first processing area 35 and a second processing area 36 via the passageway 34. The first processing area 35 is located on one side along the width direction, which intersects the length direction (in...). Figure 1 The middle is the upper side), and the second processing area 36 is located on the other side along the width direction (in the upper side). Figure 1 (Middle is the bottom side).

[0105] like Figure 4 and Figure 5 As shown, on the back side of container body 2 (in) Figure 1 The right side (center) includes a step 37 for operators to step on via the opening and closing door 24, and a work platform 38 higher than the step 37. The step 37 is set to the same height as the leakage prevention wall 29. Furthermore, the work platform 38 is set to a significantly higher height than the step 37, corresponding to the heights of the reaction tank 31 and the neutralization tank 32. Figure 1 As shown, the workbench 38 is positioned along the length of the container body 2 to approximately the center of the storage tank 33.

[0106] Inside container body 2, such as Figure 1 and Figure 3 As shown, in the first processing area 35, which is a region along one side of its width direction, the following are arranged sequentially from the inner end along the length direction, with small intervals between them: a reaction tank 31 into which wastewater to be treated is introduced from the outside, a neutralization tank 32 into which the treated water is introduced into the reaction tank 31 and treated in the reaction tank 31, and a storage tank 33 into which the treated water is introduced into the neutralization tank 32 and treated in the neutralization tank 32.

[0107] In this embodiment 1, the reaction tank 31, neutralization tank 32, and storage tank 33 are similarly constructed. The reaction tank 31, neutralization tank 32, and storage tank 33 are constructed from bottomed cylindrical containers made of synthetic resin with an open top surface (either entirely or partially open), or from metal containers with their inner surfaces coated with Teflon (a registered trademark) as needed. The capacity of each tank 31-33 is, for example, set to an equal value (500L). Setting the capacity of each tank 31-33, especially the reaction tank 31 and neutralization tank 32, to an equal value is preferable because wastewater treatment in each tank can be performed continuously. However, the capacity of each tank 31-33 does not necessarily have to be set to an equal value, and its value is not limited to 500L; it goes without saying that it can be more or less depending on the amount of wastewater to be treated.

[0108] The capacities of the reaction tank 31, neutralization tank 32, and storage tank 33 depend on the processing capacity per unit time of the wastewater treatment apparatus 1. According to the wastewater treatment apparatus 1 of this embodiment 1, for example, a capacity corresponding to 0.4 m³ / s is prepared as the processing capacity per unit time. 3 / hr, 1.0m 3 / hr, 2.0m 3 / hr These are the three models. Wastewater introduced into reaction tank 31, as will be described later, is mixed with a prescribed agent for a predetermined time and reacted, then moves to neutralization tank 32, where it is mixed with a prescribed agent for a predetermined time and neutralized. In this embodiment 1, the water head pressure generated by the height difference is used to move the treated water from reaction tank 31 to neutralization tank 32. Therefore, the amount of wastewater introduced into reaction tank 31 per unit time determines the treatment capacity of wastewater treatment device 1. At this time, when the treatment capacity of wastewater treatment device 1 per unit time is 1.0m³... 3 At a rate of / hr, the 500L capacity reaction tank 31 fills in approximately 30 minutes, and the treated water flows to the subsequent neutralization tank 32. That is, the wastewater introduced into the reaction tank 31 remains inside the tank for approximately 30 minutes, undergoing a reaction with the reagents. Thus, the wastewater introduced into the reaction tank 31 undergoes reaction treatment within the tank for a specified time and continuously flows to the subsequent neutralization tank 32.

[0109] like Figure 3As shown, the reaction tank 31, neutralization tank 32, and storage tank 33 are arranged in a manner where the liquid level decreases sequentially. Assuming that the amount of treated water contained in each of the tanks 31-33 is approximately equal, in this embodiment 1, the bottom surface of the reaction tank 31 is set at the highest position, the bottom surface of the neutralization tank 32 is set at the second highest position, and the bottom surface of the storage tank 33 is set at the lowest position. The reaction tank 31 is positioned at the highest position via a first support platform 40 disposed on the bottom surface 4 of the container body 2 and then via a second support platform 41. Similarly, the neutralization tank 32 is positioned at the second highest position compared to the reaction tank 31 via the first support platform 40 disposed on the bottom surface 4 of the container body 2. In this embodiment 1, the height difference between the reaction tank 31 and the neutralization tank 32 is set to be greater than the height difference between the neutralization tank 32 and the storage tank 33. The storage tank 33 is directly placed on the bottom surface 4 of the container body 2, and its bottom surface is set at the lowest position. Furthermore, the heights of the reaction tank 31, neutralization tank 32, and storage tank 33 and their bottom surfaces are set such that the liquid levels decrease sequentially with a height difference when containing a predetermined amount of treated water.

[0110] The reaction tank 31, neutralization tank 32, and storage tank 33, for example as described above, are configured to utilize the head pressure generated by the difference in liquid level to move the treated water between each tank 31 and 33. Therefore, the flow of treated water between each tank 31 and 33 essentially eliminates the need for a pump or other drive mechanism, saving energy. However, it is also possible to configure the tank to use a pump or other drive mechanism to move the treated water between each tank 31 and 33.

[0111] At the upper end of the neutralization tank 32 side of the reaction tank 31, a first connecting pipe 42 is arranged on its side at a predetermined height H (see Figure 9). Processed water flows from the reaction tank 31 to the neutralization tank 32 in the first connecting pipe 42 using the head pressure generated by the height difference. Furthermore, the end of the first connecting pipe 42 on the reaction tank 31 side is positioned at a predetermined depth D within the reaction tank 31. Additionally, the end of the first connecting pipe 42 on the neutralization tank 32 side has an opening facing the upper end of the neutralization tank 32.

[0112] Therefore, when the amount of treated water stored in the reaction tank 31 exceeds the height of the first connecting pipe 42, the wastewater stored inside the reaction tank 31 flows continuously to the neutralization tank 32 via the first connecting pipe 42 using the head pressure generated by the height difference. The movement of treated water from the reaction tank 31 to the neutralization tank 32 is carried out in a manner that eliminates the height difference between the liquid levels in the reaction tank 31 and the neutralization tank 32. However, in the wastewater treatment apparatus 1 according to Embodiment 1, the wastewater treatment is configured to be carried out continuously, and the height difference between the liquid levels in the reaction tank 31 and the neutralization tank 32 is maintained at a predetermined height difference.

[0113] Similarly, at the upper end of the neutralization tank 32 on the storage tank 33 side, a second connecting pipe 43 is arranged on its side at a predetermined height H (see Figure 9). The treated water flows from the neutralization tank 32 to the storage tank 33 in the second connecting pipe 43 using the head pressure generated by the difference in elevation. The end of the second connecting pipe 43 on the neutralization tank 32 side is configured to be located at a predetermined depth D within the neutralization tank 32. Furthermore, the end of the second connecting pipe 43 on the storage tank 33 side is configured to face the opening at the upper end of the storage tank 33.

[0114] Therefore, when the amount of treated water stored in the neutralization tank 32 exceeds the height of the second connecting pipe 43, the treated water stored inside the neutralization tank 32 flows continuously to the storage tank 33 via the second connecting pipe 43 using the head pressure generated by the height difference. The movement of treated water from the neutralization tank 32 to the storage tank 33 is essentially carried out in a manner that eliminates the height difference between the liquid levels in the neutralization tank 32 and the storage tank 33. However, in the wastewater treatment apparatus 1 according to Embodiment 1, the wastewater treatment is configured to be carried out continuously, and the height difference between the liquid levels in the neutralization tank 32 and the storage tank 33 is essentially maintained at a predetermined height difference.

[0115] The wastewater treatment apparatus 1 according to Embodiment 1 is configured to be equipped with a retention mechanism that causes the treated water supplied to the reaction tank 31 and the neutralization tank 32 to remain inside the reaction tank 31 and the neutralization tank 32 for a certain period of time. Here, although the reaction tank 31 is described as an example, the neutralization tank 32 is also configured in the same way.

[0116] As shown in Figure 9, inside the reaction tank 31, to prevent the treated water supplied to the reaction tank 31 from moving into the neutralization tank 32 without being fully mixed, a curved first partition wall 310 is provided on the inflow side of the reaction tank 31, spaced apart from the interior of the reaction tank 31. At the bottom of the first partition wall 310, a first connecting port 311 is provided, communicating with the interior of the reaction tank 31. The wastewater supplied to the reaction tank 31 remains inside the first partition wall 310 and gradually flows into the interior of the reaction tank 31 through the first connecting port 311.

[0117] Similarly, inside the reaction tank 31, to prevent newly supplied wastewater that has not yet been fully mixed with the reagents from moving directly into the neutralization tank 32, a curved second partition wall 312, spaced apart from the interior of the reaction tank 31, is provided on the outflow side of the reaction tank 31. A second communication port 313, communicating with the interior of the reaction tank 31, is provided at the upper end of the second partition wall 312. Furthermore, the outflow end of the first connecting pipe 42 is positioned at a predetermined depth D inside the second partition wall 312 within the reaction tank 31.

[0118] As a result, the wastewater supplied to the interior of the reaction tank 31 gradually moves downwards inside the first partition wall 310, flowing into the interior of the reaction tank 31 little by little from the first connecting port 311. It is then thoroughly mixed with the treated water and reagents already supplied to the reaction tank 31 by the first agitator 47. Afterwards, the treated water, thoroughly mixed with the reagents inside the reaction tank 31, moves downwards inside the second partition wall 312 from the second connecting port 313. The treated water, a mixture of the wastewater and an equal amount of reagents flowing into the reaction tank 31, moves to the neutralization tank 32 via the first connecting pipe 42. Therefore, the wastewater supplied to the interior of the reaction tank 31 remains inside the reaction tank 31 for a predetermined time (e.g., approximately 30 minutes), and after being thoroughly mixed and reacted with the reagents supplied to the reaction tank 31 as will be described later, it begins to move to the neutralization tank 32.

[0119] In container body 2, such as Figure 1 and Figure 3 As shown, a first support frame 44 with a rectangular planar shape, arranged horizontally, is erected over the upper part of the reaction tank 31 and the neutralization tank 32. One foot 45 of the first support frame 44 rests on a second support platform 41, and the other foot 46 rests on a first support platform 40.

[0120] The first support frame 44 is equipped with: eccentrically arranged first and second stirrers 47 and 48, which stir the interior of the reaction tank 31 and neutralization tank 32; and first and second pH sensors 49 and 50, which detect the acidity / alkalinity (pH value) of the treated water in the reaction tank 31 and neutralization tank 32 (see reference). Figure 1 ).

[0121] like Figure 7 and Figure 8 As shown, wastewater to be treated is supplied from the rinse water storage tank 200, which will be described later, to the interior of the reaction tank 31 via a supply pipe 51. An on / off valve 52 (see reference 51) is installed at the front end of the supply pipe 51. Figure 7 ).

[0122] Additionally, a second support frame 53 with a rectangular planar shape, arranged horizontally, is mounted on the upper part of the storage tank 33. One end of the second support frame 53 is connected to and fixed to the foot 46 of the first support frame 44, while the other foot 54 rests on the bottom surface 4.

[0123] In the second support frame 53, first and second sensors 55 and 56 are installed at two locations, a relatively high first position and a relatively low second position, respectively, to detect the liquid level in the reservoir 33. Additionally, a first supply pump 57 is housed inside the reservoir 33. The first supply pump 57 draws the treated water contained inside the reservoir 33 and supplies it to the filter 80, which will be described later. Furthermore, a return pipe 59 is provided at the upper end of the reservoir 33. The return pipe 59 is equipped with a screen 58 (see reference 58) at the opening that allows backwash water to return from the filter 80. Figure 3 ).

[0124] For the treated water contained in the storage tank 33, when the liquid level reaches the height detected by the first liquid level sensor 55, it is supplied to the filter 80 by driving the first supply pump 57. Furthermore, for the treated water contained in the storage tank 33, when the liquid level drops to the height detected by the second liquid level sensor 56, the driving of the first supply pump 57 is stopped, and the supply to the filter 80 is terminated.

[0125] Additionally, inside container body 2, such as Figure 1 and Figure 3 As shown, in the first processing area 35, which is a region along one side of its width direction, from the central part along the length direction to the other side (left side) end, there are sequentially provided: a sulfuric acid tank 61, which contains sulfuric acid of a predetermined concentration as an example of a first reagent tank; an activated carbon tank 62, which contains activated carbon mixed and diffused into the water as an example of a second reagent tank; and a slaked lime tank 63, which contains slaked lime (potassium hydroxide: Ca(OH)2) dissolved in the water as an example of a third reagent tank.

[0126] Furthermore, the first to fourth reagents housed in the first to third reagent tanks 61 to 63 and the fourth reagent tank 97 (described later) use a combination of sulfuric acid, activated carbon, slaked lime, and polyaluminum chloride (or ferrous polysulfate or ferrous chloride, described later) as standard units. By utilizing the reagents in the standard units, wastewater treatment can be addressed for pre-coating treatment wastewater, roller grinding wastewater, aluminum anodizing wastewater, molten zinc plating wastewater, and rinsing wastewater from degreasing and pickling processes.

[0127] However, the types of reagents are not limited to this. When the wastewater to be treated is plating wastewater containing processes such as gold cyanide plating, oxidation treatment units such as sodium hypochlorite and caustic alkali can be used in addition to the standard unit. When the wastewater to be treated is plating wastewater containing processes such as chromium plating, reduction treatment units such as sodium bisulfite and sulfuric acid can be used in addition to the standard unit.

[0128] The sulfuric acid tank 61 is a cylindrical container with a lid and a bottom. A third liquid level sensor 64 is installed on the lid of the sulfuric acid tank 61, which detects the liquid level of sulfuric acid of a specified concentration stored in the tank. Additionally, a second supply pump 65 for supplying sulfuric acid stored inside the tank is installed on the second support frame 53 adjacent to the sulfuric acid tank 61. A supply piping 66 for supplying sulfuric acid to the interior of the reaction tank 31 (see reference) Figure 7 It is connected to the supply side of the second supply pump 65.

[0129] When the third liquid level sensor 64 detects a drop in the liquid level, a warning is issued to indicate this, and the operator supplies sulfuric acid and dilution water to the sulfuric acid tank 61.

[0130] In this embodiment 1, as Figure 1 and Figure 3 As shown, the activated carbon tank 62 and the slaked lime tank 63 are similarly constructed. Both the activated carbon tank 62 and the slaked lime tank 63 are constructed from bottomed cylindrical containers made of synthetic resin or metal with their inner circumference coated and open on the entire or part of their upper surface. The capacity of each tank 62 and 63 is, for example, set to be equal (500L). However, it goes without saying that the capacity of each tank 62 and 63 does not necessarily have to be equal, and its value is not limited to 500L; it can be more or less.

[0131] The activated carbon tank 62 and the slaked lime tank 63 are positioned at the same height on the bottom surface 4 of the container body 2 via a low platform 67. Above the activated carbon tank 62 and the slaked lime tank 63, as... Figure 1 and Figure 3 As shown, a third support frame 68 with a rectangular planar shape, arranged horizontally, is installed throughout these activated carbon tanks 62 and slaked lime tanks 63. The feet 69 of the third support frame 68 rest on a platform 67.

[0132] The third support frame 68 is equipped with: third and fourth stirrers 71 and 72 for stirring the interiors of the activated carbon tank 62 and the slaked lime tank 63; third and fourth supply pumps 73 and 74 for supplying slaked lime and activated carbon stored in the activated carbon tank 62 and the slaked lime tank 63, respectively; and fifth and sixth liquid level sensors 75 and 76 for detecting the liquid level in the activated carbon tank 62 and the slaked lime tank 63. Braided hoses 77 and 78 (see reference) are connected to the supply sides of the third and fourth supply pumps 73 and 74 for supplying activated carbon and slaked lime into the reaction tank 31. Figure 7 ).

[0133] For activated carbon tank 62 and slaked lime tank 63, when the fifth and sixth liquid level sensors 75 and 76 detect a drop in the liquid level, an alarm is triggered to indicate this, and the operator supplies activated carbon, slaked lime, and dilution water to activated carbon tank 62 and slaked lime tank 63.

[0134] Additionally, inside container body 2, such as Figure 1 and Figure 2 As shown, in the second processing area 36, ​​which is the area along the other side of its width, a filter 80, which is an example of a first filtration mechanism, is arranged in a position opposite to the reaction tank 31, neutralization tank 32 and storage tank 33 across the passage 34. The filter filters the entire amount of processed water stored in the storage tank 33.

[0135] like Figure 1 As shown, the filter 80 is configured to hold a filter component 81 made of a special material in place using a fixed disc 82 and a movable disc 83. The interior of the filter component 81 is divided into multiple filtration chambers (e.g., 25 chambers) and filled with treated water. Furthermore, the movable disc 83 can be moved to a cleaning position separated from the filtration position by means of a moving mechanism 84. Incidentally, Figure 1 This indicates that the filter component 81 is in the filtering position. The left end of the filter component 81 is not fixed to the fixed plate 82, and the other end (right end) is connected to the movable plate 83 and is capable of moving in the horizontal direction.

[0136] like Figure 2 As shown, treated water contained in the storage tank 33 is introduced into the filter chamber of the filter assembly 81 via the supply pipe 85 connected to the upper end of the fixed plate 82 and the supply piping 86 using the first supply pump 57. In this state, the filter assembly 81 is in the filtration state. For filtration, there is also a type with a backwashing function, in which a return piping 59 (see reference 59) is connected to the supply pipe 85 to return the backwash rinsing water to the storage tank 33. Figure 7 ).

[0137] Furthermore, for filter 80, treated water is continuously introduced into the interior of filter component 81, and the treated water is fully filtered by the filter chamber within filter component 81. For example... Figure 1 and Figure 2 As shown, the treated water filtered by the filter component 81 is discharged into the interior of the discharge tank 90 through the interior of the filter component 81 from two wastewater pipes 87 and 88 located at the lower end of one end.

[0138] like Figure 2 and Figure 4As shown, a receiving plate 91 is arranged at an angle below the filter component 81 to receive the wastewater leaking from the filter component 81. Wastewater falling onto the receiving plate 91 is recovered into a wastewater tank 93 via a water guide 92 located at the lower end of the receiving plate 91. Inside the wastewater tank 93, a fourth supply pump 94 is housed to supply the recovered wastewater to the rinse water storage tank 200. Furthermore, in the wastewater tank 93, as... Figure 4 As shown, a liquid level sensor 94a is provided to detect the liquid level of the recovered wastewater. Furthermore, when the liquid level sensor 94a detects that the liquid level of the wastewater in the wastewater tank 93 has reached a predetermined height, the wastewater stored in the wastewater tank 93 is pumped from the fourth supply pump 94 via the return pipe 95 (see reference). Figure 7 Return to the rinsing water storage tank 200.

[0139] As solid components of the treated water filtered by the filter element 81 of the filter 80, the sludge is discharged onto the sludge tray 96 located below by moving the filter element 81 horizontally in the opening direction at a predetermined time point when no filtration operation is being performed.

[0140] The sludge tray 96 is configured to be accessible via a guide mechanism (not shown) from an opening 25 located on the right side of the container body 2 (see reference). Figure 6 The sludge tray 96 can be pulled out from the opening 25 of the container body 2, and the sludge contained in the sludge tray 96 can be easily retrieved using a forklift or other working vehicle.

[0141] Furthermore, the filter element 81 has been described as being arranged horizontally in the filter 80. However, it is not limited to this arrangement and the filter element 81 may also be arranged vertically. However, considering factors such as workability when discharging sludge from the filter element 81 after filtration, it is desirable to arrange the filter element 81 horizontally.

[0142] Inside container body 2, such as Figure 1 and Figure 2 As shown, in the second processing area 36, ​​adjacent to the filter 80, there are: a discharge tank 90 for discharging the treated water (treated wastewater) filtered by the filter 80 to the outside; a PAC tank 97, which contains PAC (polyaluminum chloride) as an example of a fourth reagent tank; and a backwash water tank 98 for storing washing water for cleaning the filter 80, etc.

[0143] The sulfuric acid tank 61, activated carbon tank 62, and PAC tank 97 are all tanks that supply the contained reagents to the reaction tank 31. Compared with other tanks such as the quicklime tank 63, they are located close to the reaction tank 31. Therefore, the length of the piping supplying the reagents from the sulfuric acid tank 61, activated carbon tank 62, and PAC tank 97 to the reaction tank 31 can be relatively short.

[0144] In container body 2, such as Figure 1 and Figure 3 As shown, a fourth support frame 100 with a rectangular planar shape, arranged horizontally, is installed on the upper part of the drain tank 90, PAC tank 97, and backwash tank 98. The feet 99a of the fourth support frame 100 rest on the bottom surface 4.

[0145] The fourth support frame 100 is equipped with: a seventh liquid level sensor 101 for detecting the liquid level in the drain tank 90; a drain pump 102 for discharging the treated water stored in the drain tank 90 to the outside of the container body 2; a pH sensor 103 capable of detecting and recording the detected pH value; and a discharge pipe 104 for discharging the treated water to the outside using the drain pump 102. The drain pump 102 has a function of automatically switching between driving and stopping according to the liquid level in the drain tank 90, maintaining the liquid level in the drain tank 90 within a specified range. In addition, the seventh liquid level sensor 101 detects and issues an alarm for abnormal rises in the liquid level in the drain tank 90.

[0146] like Figure 7 As shown, the drainage pipe 104 branches off via valve 105 and is connected to a pipe 106 for returning treated water to the rinse water storage tank 200. Furthermore, if the pH of the treated water detected by pH sensor 103 deviates from the prescribed reference value, valve 107 on the drainage pipe 104 is closed, allowing the treated water to return to the rinse water storage tank 200 via the return pipe 106.

[0147] In addition, the discharge piping 104 branches further via check valve 108 and valve 109 at a position upstream of the return piping 106, and is connected to a return piping 111 equipped with a valve 110 that returns the treated water in the discharge tank 90 back into the discharge tank 90.

[0148] Additionally, the fourth support frame 100 is equipped with a fifth supply pump 112 that supplies PAC from the PAC tank 97 to the reaction tank 31, and a liquid level sensor 113 that detects the liquid level of the PAC contained in the PAC tank 97. On the supply side of the fifth supply pump 112, a supply pipe 114 is connected to supply PAC to the interior of the reaction tank 31 (see reference). Figure 7 ).

[0149] Furthermore, in the backwash tank 98, such as Figure 7 As shown, the system includes: a supply pump 115 that supplies the rinse water contained in the backwash tank 98 to the filter 80, and a supply plug 116 that supplies a certain amount of rinse water from the water supply pipe 402 into the backwash tank 98 for storage. The supply pump 115 is connected to a supply pipe 117 (see reference 116) that supplies water at predetermined times via a supply pipe 117. Figure 7 Pipe 117 supplies washing water to filter 80.

[0150] In addition, inside the container body 2, a control panel 120 is provided at the corner adjacent to the backwash water tank 98. The control panel 120 is erected on the stand 121 to control the operation of the wastewater treatment device 1 and the power system.

[0151] The control panel 120 has the following control functions: it supplies power to each component of the power system constituting the wastewater treatment device 1, and it controls the operation of the wastewater treatment device 1 according to the program not shown in the figure by receiving detection signals from various sensors.

[0152] The control panel 120 has the function of notifying the monitoring room located outside the container body 2 of an alarm when the detection signals from various sensors deviate from the specified reference value, and outputs the detection signals from various sensors.

[0153] Figure 7 This is a system structure diagram showing the piping and electrical systems of the wastewater treatment device 1 constructed as described above. Furthermore, inside the container body 2 of the wastewater treatment device 1, in its top plate and other locations, there are compressed air piping 401 for supplying compressed air from an external compressor (not shown in the diagram), and water supply piping 402 for supplying water (not shown in the diagram) for use as dilution water or washing water from an external faucet or pump. On / off valves 403 are installed at the front ends of the branches of the water supply piping 402.

[0154] exist Figure 7 In the accompanying drawing, reference numeral 200 indicates a rinse water storage tank located outside the container body 2, which stores the wastewater to be treated (hereinafter also referred to as "rinsing water"). The wastewater to be treated originates from an adjacent factory (not shown in the figure), for example, in a volume of 1 m³. 3A flow rate of / hr flows into and is stored in the rinse water storage tank 200 from inlet 201. There are no particular limitations on the type of wastewater, and various types of wastewater can be listed: pre-coating treatment wastewater such as degreasing rinse water or chemical rinse water after degreasing or chemical treatment with acids or alkalis when coating metal products that have undergone machining or assembly processes; wastewater from drum grinding treatment where grinding stones or abrasives and water are mixed and stirred with the products to be ground in a tank-type device; or wastewater from aluminum anodizing treatment; furthermore, wastewater from plating treatments such as molten zinc plating; and wastewater from degreasing treatment and pickling treatment using sulfuric acid or hydrochloric acid in semiconductor manufacturing equipment, etc. In addition, domestic wastewater is not excluded as a type of wastewater.

[0155] The rinse water storage tank 200 is not limited to a tank disposed on the outside of the container body 2. As shown in FIG10, it can also be a tank disposed on the upper part of the container body 2 inside the same container structure 500a as the container body 2. In this case, the container body 2 and the rinse water storage tank 200 can be installed in a narrow installation area.

[0156] Like container body 2, container structure 500a conforms to ISO container specifications. Container structure 500a has a 20-foot dimension, with its external dimensions set to be equal to those of container body 2. Container structure 500a is equipped with a bottom, a top, and four supports 6-9 connecting the bottom and top, and its front, rear, left, and right sides are open. Container structure 500a, like container body 2, is fitted with a leak-proof wall 29 along its entire specified height (approximately 700 mm), including the bottom 4. In the illustrated example, three rinse water reservoirs 200 are provided on the bottom 4 of container structure 500a.

[0157] On the back of the container structure 500a, there is a step ST for the operator to go up and down the container structure 500.

[0158] In a factory that installs the wastewater treatment apparatus 1 according to Embodiment 1, typically, one type of wastewater is stored in the rinse water storage tank 200. However, it is not limited to this; two to three different types of wastewater may be stored in the rinse water storage tank 200 with time or date differences depending on the factory's treatment processes. In this case, the wastewater stored in the rinse water storage tank 200 may also be configured to be stored in multiple different rinse water storage tanks 200, 200... based on its chemical properties, etc. Here, one type of wastewater is stored in the rinse water storage tank 200.

[0159] like Figure 8As shown, the rinse water storage tank 200 is equipped with multiple level sensors 202-204 to detect the liquid level (high, medium, low) of the wastewater contained in the rinse water storage tank 200, or a level gauge 205 that allows the liquid level to be visually observed from the outside. Furthermore, inside the rinse water storage tank 200, a supply pump 206 is installed to supply the wastewater contained in the rinse water storage tank 200 to the reaction tank 31 inside the container body 2 via a supply pipe 51. Additionally, a portion of the wastewater supplied by the supply pump 206 is configured to be able to return via a pipe 209 with a branch having a valve 208.

[0160] In addition, the rinsing water storage tank 200 is provided with inlet ports 212 and 213, which are used to introduce the discharge water in the discharge tank 93 and the treated water in the discharge tank 90 from the inside of the container body 2 through the inlet pipes 95 and 106 respectively.

[0161] In addition, Figure 8 In the figure, reference numeral 214 indicates an exhaust pipe that expels air from the rinse water storage tank 200 to the outside, reference numeral 215 indicates a ladder, and reference numeral 216 indicates a leakage prevention wall disposed on the bottom surface and around the location where the rinse water storage tank 200 is located.

[0162] On the other hand, such as Figure 7 As shown, reagents from sulfuric acid tank 61, activated carbon tank 62, slaked lime tank 63, and PAC tank 97 can be introduced into reaction tank 31, which is located inside container body 2, via braided hoses or pipes 66, 77, 78, and 114, respectively. Furthermore, a first pH sensor 49 is installed in reaction tank 31 to detect the acidity (pH) of the treated water contained within it.

[0163] Additionally, quicklime can be fed from the quicklime tank 63 into the neutralization tank 32 via a braided hose 78. Furthermore, a second pH sensor 50 is installed in the neutralization tank 32 to detect the acidity or alkalinity of the treated water contained within it.

[0164] Furthermore, the storage tank 33 is equipped with liquid level sensors 55 and 56 for detecting the height of the liquid level, and a pump 57 for supplying the treated water stored in the storage tank 33 to the filter 80.

[0165] The sulfuric acid tank 61 is equipped with a liquid level sensor 64 for detecting the height of the liquid level, and a pump 65 for supplying sulfuric acid stored in the sulfuric acid tank 61 to the reaction tank 31.

[0166] The activated carbon tank 62 is equipped with a liquid level sensor 75 for detecting the height of the liquid level and a pump 73 for supplying activated carbon stored in the activated carbon tank 62 to the reaction tank 31.

[0167] The slaked lime tank 63 is equipped with a liquid level sensor 76 for detecting the height of the liquid level, and a pump 74 for supplying the slaked lime stored in the slaked lime tank 63 to the neutralization tank 32.

[0168] In addition, such as Figure 7 As shown, a ventilation fan 130 is provided on the upper part of the container body 2 to facilitate ventilation within the container body 2. Additionally, as shown in Figure 10, an opening for opening and closing, such as a window 131, can be appropriately provided on the side of the container body 2. When the wastewater treatment device 1 equipped with the container body 2 is installed in cold regions, the treated water may freeze due to the decrease in external temperature. However, by creating a sealed space inside the container body 2 and installing heating equipment as needed, the freezing of the treated water can be addressed.

[0169] <Operation of wastewater treatment equipment>

[0170] The wastewater treatment device constructed as described above, as explained below, can handle various types of wastewater, such as wastewater from pre-coating treatment, wastewater from roller treatment, wastewater from aluminum oxidation treatment, wastewater from plating treatment, and wastewater from degreasing treatment in semiconductor manufacturing equipment, etc. Moreover, it can be installed and operated in the desired location at a shorter time and lower cost compared to the past.

[0171] That is, according to the wastewater treatment apparatus 1 of this embodiment 1, before it is installed in a factory or other site not shown in the figure, the type and number of treatment tanks to be arranged inside the container body 2, or the type and number of reagent tanks containing reagents, are determined in advance according to the chemical properties of the wastewater to be treated discharged from the factory, the treatment volume per unit time, and other corresponding wastewater treatment content.

[0172] Furthermore, according to the wastewater treatment apparatus 1 of this embodiment 1, such as Figures 1 to 5 As shown, the wastewater treatment device 1 is assembled in the factory that manufactures the wastewater treatment device 1, based on the container body 2 of ISO specifications.

[0173] like Figure 2 As shown, in the container body 2, a steel plate 28 is laid all over the bottom 4 surfaces, and a leakage prevention wall 29 is formed along the outer periphery of the steel plate 28 to implement leakage prevention processing. Furthermore, in the container body 2, as... Figure 6 As shown, external components such as opening and closing doors 23, 24 or openings 25 and gates 26 for opening and closing the openings 25 are assembled. Inside, steps 37 or workbenches 38 that form a passageway 34 are provided. Furthermore, first to fourth support frames 44, 53, 68, 100, etc. are installed in the first and second regions 35 and 36 inside the container body 2.

[0174] In addition, such as Figures 1 to 3 As shown, inside the container body 2, tanks constituting treatment tanks and reagent tanks such as reaction tank 31, neutralization tank 32, storage tank 33, sulfuric acid tank 61, activated carbon tank 62, slaked lime tank 63, discharge tank 90, PAC tank 97, and backwash water tank 98 are moved in, set up and fixed in the specified positions according to the chemical properties of the wastewater to be treated.

[0175] Pre-defined reagents can also be contained in reagent tanks such as sulfuric acid tank 61, activated carbon tank 62, slaked lime tank 63, and PAC tank 97. However, considering liquid leakage caused by swaying during the handling of container body 2, it is desirable to contain the specified reagents in the reagent tanks after installation.

[0176] In addition, in the treatment tanks and reagent tanks such as reaction tank 31, neutralization tank 32, storage tank 33, sulfuric acid tank 61, water discharge tank 90, PAC tank 97, and backwash water tank 98, such as Figure 7 As shown, install the specified sensors, supply pumps, etc.

[0177] In addition, such as Figure 1 and Figure 2 As shown, a filter 80 is introduced and installed inside the container body 2 via the opening 25.

[0178] Thus, the assembly (manufacturing) of wastewater treatment device 1 is not carried out on the site where the wastewater treatment device 1 is installed, but is completed in advance at the manufacturing plant of wastewater treatment device 1.

[0179] After that, as Figure 2 As shown, the container body 2 constituting the wastewater treatment device 1 is transported to the installation site by a transport device such as a trailer (not shown in the figure), and is lifted and installed on the designated installation surface B by a crane or the like.

[0180] Furthermore, in container body 2, such as Figure 7 As shown, after setup, connect to the power system or signal system, and also connect to the water supply system.

[0181] Additionally, as shown in Figure 10, a rinse water storage tank 200, which serves as a container structure 500a, is disposed on the upper part of the container body 2. In Figure 10, the reference numeral ST indicates a step.

[0182] In addition to being located on the upper part of the container body 2, as shown in FIG10, a rinse water storage tank 200 for containing the treated water is also provided adjacent to the container body 2. Alternatively, when the amount of wastewater to be treated is small, the wastewater to be treated can be directly introduced into the reaction tank 31 without passing through the rinse water storage tank 200.

[0183] Wastewater introduced from the rinsing water storage tank into the reaction tank 31 can include, for example, wastewater mixed with iron powder and other particles after drum treatment. Additionally, wastewater introduced from the rinsing water storage tank 200 into the reaction tank 31 can include wastewater from pickling with sulfuric acid or the like before coating of steel plates. This wastewater is highly acidic and contains iron ions and sulfuric acid. Furthermore, wastewater introduced from the rinsing water storage tank 200 into the reaction tank 31 can include water containing dissolved aluminum after aluminum oxidation treatment, or water containing dissolved heavy metals such as copper, zinc, and nickel after plating treatment.

[0184] Here, we will use wastewater mixed with iron powder and other particles after drum treatment as an example, which is the wastewater introduced from the rinsing water storage tank 200 into the reaction tank 31.

[0185] like Figure 3 As shown, sulfuric acid of a specified concentration is supplied in an appropriate amount from sulfuric acid tank 61 to reaction tank 31, which has been introduced into wastewater from rinsing water storage tank 200, to dissolve undissolved metal powders such as iron powder.

[0186] Afterwards or simultaneously, such as Figure 7 As shown, activated carbon is supplied from activated carbon tank 62 to reaction tank 31, and PAC is supplied from PAC tank 97 to reaction tank 31. The first stirrer 47 is used to stir and carry out the reaction process for a specified time (about 30 minutes).

[0187] Wastewater contained in reaction tank 31, such as Figure 3 and Figure 8 As shown, after a predetermined time has elapsed in the reaction tank 31, the solution moves to the neutralization tank 32 via the first connecting pipe 42. Slaked lime is supplied from the slaked lime tank 63 to the treated water supplied to the neutralization tank 32 for neutralization. Needless to say, this neutralization process aims to completely neutralize the treated water supplied to the neutralization tank 32; however, it is sufficient to neutralize it to a level close to the point where it would be acceptable even if the acidity of the treated water supplied to the neutralization tank 32 were reduced and it could be treated as normal wastewater.

[0188] The treated water contained in the neutralization tank 32 is stirred by the second agitator 48, and the pH is detected by the pH sensor 50. Slaked lime is appropriately supplied from the slaked lime tank 63 and neutralized to achieve a pH within the specified range.

[0189] Next, the treated water that has undergone neutralization treatment inside the neutralization tank 32 moves to the storage tank 33 via the second connecting pipe 43 after a predetermined time has elapsed in the neutralization tank 32.

[0190] In the storage tank 33, the iron ions neutralized inside the neutralization tank 32 by alkaline neutralization or the like are converted into iron hydroxide and separated from the water. They are then mixed with activated carbon and PAC and adsorbed to solidify. The treated water, after the iron hydroxide and the like have been separated from the water and solidified in the storage tank 33, is supplied to the filter 80 by the third supply pump 57.

[0191] In the filter 80, the solidified components are separated and removed by the filter component 81. The filtered treated water is collected in the discharge tank 90 and discharged as ordinary wastewater by the pump 102 installed in the discharge tank 90 to the public collection pool 600, etc., and the wastewater treatment process is completed.

[0192] In addition, after the filter 80 has been running for a certain period of time, outside of the filtration operation, it removes the sludge that has accumulated in the filter component 81 as a solidified component.

[0193] Thus, the wastewater treatment apparatus 1 according to Embodiment 1 is equipped with a container body 2 suitable for ISO specifications. Inside the container body 2, there are reaction tank 31, neutralization tank 32, storage tank 33 or sulfuric acid tank 61, activated carbon tank 62, quicklime tank 63, PAC tank 97 and other reagent tanks. After the prescribed neutralization and coagulation treatment is carried out, filtration is performed using a filter 80.

[0194] Therefore, the wastewater treatment apparatus 1 according to Embodiment 1 does not require the construction of leakage prevention walls at the site where the wastewater treatment equipment is installed, as was done with conventional wastewater treatment equipment (factories), and the installation of treatment tanks such as reaction tank 31 and neutralization tank 32, or reagent tanks, on this basis. It can be installed and operated with a significantly shorter construction period compared to the past.

[0195] Furthermore, according to the wastewater treatment apparatus 1 of this embodiment 1, the reagent of the standard unit is used as the reagent, or the reagent of the reduction treatment unit or oxidation treatment unit is used together with the reagent of the standard unit. As a result, it can handle various types of wastewater, such as pre-coating treatment wastewater, roller treatment wastewater, or wastewater after aluminum oxidation treatment, plating treatment wastewater, and degreasing treatment wastewater in semiconductor manufacturing apparatuses.

[0196] However, the water purification device according to Embodiment 1 is based on the structure of the wastewater treatment device 1 constructed as described above.

[0197] Figures 11 to 14 This is a structural diagram showing the overall structure of the water purification device according to Embodiment 1 of the present invention. Figure 11 This is a plan view of the water purification device. Figure 12 This is a front view of the water purification device. Figure 13 This is a diagram showing the back structure of the water purification device. Figure 14This is a plan view of the water purification device. Furthermore, structures identical to those in the wastewater treatment device 1 are described using the same reference numerals.

[0198] Water purification device 500, such as Figure 11 As shown, a container body 2 is equipped with a design suitable for ISO specifications. This container body 2, for example, conforms to a 20-foot specification. The external dimensions of the container body 2 are set as 6058 mm in length, 2438 mm in width, and 2591 mm in height.

[0199] like Figure 12 and Figure 14 As shown, the container body 2 is equipped with a power supply mechanism consisting of at least one of a solar panel or a wind turbine, which supplies power to the water purification device 500, on the upper part of its top surface 3. According to the water purification device 500 of this embodiment 1, as described above, since it can be operated by means of a pump for moving raw water or treated water (an example of wastewater to be treated), and a motor for driving a stirrer to agitate the reaction tank 31 or neutralization tank 32, it is not necessary to use a high-pressure pump as in water purification devices using RO membranes; it is only composed of a general-purpose, low-power pump. Therefore, a pump with a power consumption of 0.5 kWh / m³ can be used. 3 The water purification capacity is operated by electricity supplied by a solar panel or wind turbine installed on the container body 2. However, it goes without saying that even in the water purification device 500 according to Embodiment 1, electricity supplied from a generator or external source can be used.

[0200] In Embodiment 1 shown in the figure, nine solar panels 501, 501... and two wind turbines 502, 502 are installed on the upper part of the top surface 3 of the container body 2. The solar panels 501, 501... are formed into a planar rectangular shape with a length of 1000 mm and a width of 1750 mm. The back of the solar panels 501, 501... is supported by a support column 501a, and is positioned at an angle of 30 degrees, for example, facing due south, which is considered the optimal angle. The solar panels 501, 501... are fixedly installed on the upper part of the top surface 3 of the container body 2. Therefore, by being positioned east-west along the front and rear side walls 5, 6 of the container body 2, the solar panels 501, 501... are positioned facing due south. For example, under favorable conditions, the solar panels 501, 501... have a power generation capacity of approximately 100 to 300 W per square meter. In addition, the power generation capacity of wind turbine 502 depends on the wind intensity, for example, it generates about 200 to 400W per hour. The electricity generated by solar panels 501, 501... or wind turbines 502, 502 is stored in an energy storage device (not shown) located inside the container body 2, and used as needed for driving, controlling, etc. of required machines via a converter (not shown).

[0201] For raw water that will be made drinkable in the water purification device 500, such as Figure 15 As shown, water is drawn from the intake 503, and the liquid is separated from the solid using a cyclone centrifugal separator 504, which is an example of a foreign matter removal mechanism, thus removing foreign matter such as solids. While the cyclone centrifugal separator 504 could obviously be disposed inside the container body 2, in the embodiment shown, it is disposed outside the container body 2. Foreign matter such as solids removed by the cyclone centrifugal separator 504 is either discharged directly from the intake 503 or collected in a containment located outside the container body 2. The raw water can be, for example, river or lake water, seawater, or rainwater stored on land; however, it is not limited to these and can also be groundwater or domestic wastewater.

[0202] The raw water, after foreign matter has been removed by the centrifugal separation device 504, is supplied to the reaction tank 31 by the pump 505.

[0203] Furthermore, the raw water supplied to the reaction tank 31, as described above, is treated by reacting with various agents inside the reaction tank 31, and then sent to the neutralization tank 32 for neutralization. The treated water that has been neutralized inside the neutralization tank 32 is stored in the storage tank 33. The processing time in each of the reaction tank 31, neutralization tank 32, and storage tank 33 is approximately 15 minutes. The treated water stored in the storage tank 33 is pumped by the pump 57 to the first filter 80 for filtration treatment to separate it from the sludge that has been solidified by the agents. The first filter 80 is equipped with multiple filter chambers and is capable of continuous operation for continuously filtering treated water.

[0204] In this embodiment 1, a 500L tank is used as the reaction tank 31 and the neutralization tank 32, and a 200L tank is used as the storage tank 33. Additionally, a 500L tank is used as the activated carbon tank 62 and the slaked lime tank 63, which contain the reagents supplied to the reaction tank 31, and a 200L tank is used as the sulfuric acid tank 61. Furthermore, in Figure 11 In the attached drawing, reference numeral T indicates a fixing member that secures the lower end of the reaction tank 31, neutralization tank 32, etc.

[0205] The treated water, filtered by the first filter 80, is temporarily stored inside the discharge tank 90. ​​Then, the treated water stored in the discharge tank 90 is pumped by the pump 99 to a sand filter tank 506, which is an example of a second filtration mechanism, for sand filtration. The sand filter tank 506, with its cylindrical filter body, contains filter sand or gravel, activated carbon, or other filter materials. For example, the sand filter tank 506 has a flow rate of 3 m³ / h. 3 Its processing capacity.

[0206] The treated water, purified by the sand filter 506, is mixed with disinfectant 509 contained inside a disinfectant tank 508 using a pipe mixer 507, which is an example of a mixing mechanism, and then sent to a storage tank 511 for storage as drinking water. The disinfectant 509 in the disinfectant tank 508 is supplied to the pipe mixer 507 by a pump 510. For example, sodium hypochlorite of the desired concentration containing chlorine is used as an example of disinfectant 509. Sodium hypochlorite kills and disinfects microorganisms and other contaminants in the treated water purified by the sand filter 506 using the strong oxidizing effect of chlorine.

[0207] In this way, in the water purification device 500 constructed as described above, after extracting raw water for drinking water and removing solid impurities, acid or alkali, or dissolving metals, is removed through the same process as in the wastewater treatment device 1, thus performing water purification treatment. Afterwards, the purified water is sand-filtered in a sand filter tank 506 to become potable, and then disinfected with a disinfectant such as sodium hypochlorite for drinking water, and stored in a water storage tank 511 as safe drinking water for consumption.

[0208] According to the water purification device 500 of this embodiment 1, since the reaction with the reagent is carried out in the reaction tank 31, the solid-liquid separation after coagulation is performed by the first filter 80. Therefore, the first filter 80 is small, which can save space and operate continuously, and the amount of raw water used is basically the same as the amount of purified water produced.

[0209] Furthermore, according to the water purification device 500 of Embodiment 1, the movement of raw water or treated water can be carried out using only a general-purpose, low-power pump, with a power consumption of 0.5 kWh / m³. 3 With the help of power supply systems that utilize natural energy sources such as solar panels, the daily water production exceeds 5 cubic meters. 3 .

[0210] Furthermore, according to the water purification device 500 of Embodiment 1, the reaction time in each of the reaction tank 31, neutralization tank 32 and storage tank 33 is about 15 minutes, and including the filtration time, it can be started within 1 hour.

[0211] In addition, the water purification device 500 according to Embodiment 1 can be composed of a pump and agitator with low power consumption. Small-sized devices such as inverters, circuit breakers or power cords can also be selected and can all be housed inside the control panel, thus reducing the overall cost of the water purification device.

[0212] Furthermore, according to the water purification device 500 of this embodiment 1, when drawing raw water, since it is equipped with a foreign matter removal mechanism consisting of a cyclone centrifuge or the like, the load on subsequent water treatment stages can be reduced. Afterwards, since the sludge is concentrated and dewatered in the first filter 80 within the water purification device 1, no additional equipment is needed, and the sludge is transformed into a solid component with a water content of approximately 70% that can be incinerated. Therefore, waste disposal costs and waste storage costs are reduced, enabling the device to achieve low-cost operation.

[0213] In addition, for in Figure 11 The water purification apparatus 500 according to Embodiment 1 described herein uses tanks with relatively large capacities as the reaction tank 31, neutralization tank 32, activated carbon tank 62, or slaked lime tank 63. However, it is not limited to this; other tanks may be used as the reaction tank 31, neutralization tank 32, activated carbon tank 62, or slaked lime tank 63, etc. Figure 18 and Figure 19 As shown, a relatively small tank with a capacity of around 300L can also be used. In this case, for example, the drain tank 90 is positioned between the first filter 80 and the control panel 120.

[0214] [Implementation Method 2]

[0215] Figures 20 to 26 This is a structural diagram showing a water purification device according to Embodiment 2 of the present invention. The same reference numerals are used for the same parts as those in the water purification device according to Embodiment 1, and the same description is given.

[0216] According to Embodiment 2 of the present invention, the amount of raw water to be treated is set to be less than that in Embodiment 1. Consequently, the capacity or configuration of each treatment tank or reagent tank differs from that in Embodiment 1, and is miniaturized.

[0217] That is, according to the water purification device 500 of Embodiment 2, such as Figures 20 to 25 As shown, the container body 2 adopts a 12-foot container body that conforms to JIS specifications. The external dimensions of the container body 2 are set as 3658mm in length, 2438mm in width, and 2591mm in height.

[0218] On the upper part of the top surface 3 of the container body 2, four solar panels 501, 501... and two wind turbines 502, 502 are installed. The solar panels 501, 501... are rectangular in plan, with a length of 1000mm and a width of 1750mm, similar to Embodiment 1. Two wind turbines 502, 502 are also installed, as in Embodiment 1.

[0219] Inside the container body 2, facing the left side 7, the tanks are arranged in the following order from the end of the front side 5: reaction tank 31, neutralization tank, storage tank, and water discharge tank. The reaction tank 31, neutralization tank 32, and storage tank 33 are all 200L tanks, and the water discharge tank is a 100L tank.

[0220] Furthermore, inside the container body 2, facing the rear side 6, a filter 80 is provided covering the area from the left side 7 to the right side. As the filter 80, a small filter with 10 filter chambers is used, which has fewer filter chambers than in Embodiment 1.

[0221] Inside the container body 2 facing the filter 80, there are a quicklime tank 63, an activated carbon tank 62, and a sulfuric acid tank 61. A PAC tank 97 is arranged adjacent to the sulfuric acid tank 61. The quicklime tank 63, activated carbon tank 62, and sulfuric acid tank 61 are all 200L tanks. The PAC tank 97 is a 100L tank.

[0222] Furthermore, in the water purification device 500 according to Embodiment 2, a plurality of cartridge-type filter devices 520, 520... are used instead of the sand filter tank 506 as the second filtration mechanism. As cartridge-type filter devices 520, 520..., for example, those arranged side-by-side have a filtration capacity of 0.48 m³ / s per unit time. 3 The filter device has a filtration capacity of 0.48 m³ / h. The cartridge filter devices 520, 520... are smaller than the sand filter tank 506, and on the other hand, their filtration capacity per unit time is 0.48 m³ / h. 3 / h, compared to the 3m of the sand filter tank 3 / h is small. Therefore, cartridge filter devices 520, 520..., such as Figure 26 As shown, they are connected in parallel to ensure processing capacity per unit time.

[0223] The cartridge-type filter devices 520, 520... require periodic replacement of the filter cartridges. However, since the cartridge-type filter devices 520, 520... are located downstream of the first filter 80, the treated water supplied to these cartridge-type filter devices 520, 520... contains only extremely fine residues that were not completely removed by the first filter 80.

[0224] Since the other structures and functions are the same as those in Embodiment 1 described above, the invention is omitted.

[0225] [Implementation Method 3]

[0226] Figures 27 and 28 are structural diagrams showing a water purification device according to Embodiment 3 of the present invention. The same reference numerals are used for the same parts as those in the water purification device according to Embodiment 1, and they are described.

[0227] According to Embodiment 3 of the present invention, the water purification device 1 does not house all the components constituting the water purification device 500 inside a single container body 2, but instead constructs multiple container bodies 2 as modules according to their respective functional differences, and constructs the water purification device 500 by combining multiple modules.

[0228] As shown in Figure 27(a), the water purification device 1 is composed of multiple modules, including a container body 21 of a reaction tank module M1, a container body 22 of a neutralization tank module M2, and a container body 23 of a filter module M3, which are arranged horizontally and separated from each other. The container body 21 of the reaction tank module M1 and the container body 22 of the neutralization tank module M2 are interconnected by a first piping module M4. Furthermore, the container body 22 of the neutralization tank module M2 and the container body 23 of the filter module M3 are interconnected by a second piping module M5.

[0229] Inside the container body 21 of the reaction tank module M1, for example, a reaction tank 31, a sulfuric acid tank 61, and an activated carbon tank are housed. Additionally, inside the container body 22 of the neutralization tank module M2, a neutralization tank 32, a storage tank 33, an activated carbon tank, and a drain tank 90 are housed. Inside the container body 23 of the filter module M3, a first filter 80, a sand filter tank 506, and a disinfectant tank 508 are housed.

[0230] As shown in Figure 27(b), the container body 21 of the reaction tank module M1, the container body 22 of the neutralization tank module M2, and the container body 23 of the filter module M3 can also be arranged adjacent to each other in the horizontal direction without gaps.

[0231] With this configuration, the reaction tank 31 or sulfuric acid tank 61, neutralization tank 32, storage tank 33, activated carbon tank, drain tank 90, or first filter 80, sand filter tank 506, etc., housed inside the respective container bodies 21-23 of the reaction tank module M1, neutralization tank module M2, and filter module M3, can utilize large-capacity tanks, significantly increasing the water purification capacity per unit time. Furthermore, since solar panels 501, 501... or wind turbines 502, 502 are respectively mounted on the top surface 3 of each container body 21-23, large pumps can be used as pumps in each container body 21-23, thereby increasing the processing capacity.

[0232] In addition, the water purification device 1 shown in FIG28(a) is configured such that the container body 21 of the reaction tank module M1, the container body 22 of the neutralization tank module M2, and the container body 23 of the filter module M3 are stacked in a vertical direction.

[0233] Furthermore, in the water purification device 1 shown in FIG28(b), the container body 21 of the reaction tank module M1 is arranged on the upper part of the container body 22 of the neutralization tank module M2, and the container body 23 of the filter module M3 is arranged with a gap between it and the neutralization tank module M2.

[0234] Therefore, in the case of these water purification devices 1, the water purification capacity can be increased, and the installation area of ​​the container body 2 can be reduced relatively.

[0235] In addition, in the case of these water purification devices 1, gravity can be used to move the treated water from the container body 21 of the reaction tank module M1 located above in the vertical direction to the neutralization tank module M2 or the filter module M3 located below, thereby increasing the water purification capacity, reducing the installation area of ​​the container body 2, and saving energy.

[0236] Since the other structures and functions are the same as in Embodiment 1, their descriptions are omitted.

[0237] [Implementation Method 4]

[0238] Figure 29 and Figure 31 This is a structural diagram showing the water purification device according to Embodiment 4 of the present invention. For the parts that are the same as those in the water purification device according to Embodiment 1 described above, the same reference numerals are given and they are described.

[0239] According to Embodiment 4 of the present invention, the water purification device 500 does not generate purified water for drinking water or the like, but is mainly used to generate distilled water for medical or other purposes.

[0240] This water purification device 500, in addition to the container body 2 for the water purification device, is also equipped with a container body 2a for the distillation unit 700. For example, the container body 2 for the water purification device and the container body 2a for the distillation unit 700 are 12-foot container bodies that conform to JIS standards.

[0241] On the top surface 3 of the container body 2a of the distillation unit 700, similar to the container body 2 used in the water purification device, four solar panels 501, 501... and two wind turbines 502, 502 are respectively arranged. The electricity generated by the solar panels 501, 501... or the wind turbines 502, 502 of the container body 2a used in the distillation unit is mainly used for heating sources or pumps to drive the distillation unit 700.

[0242] Inside the container body 2a of the distillation unit 700, such as Figures 33 to 36As shown, the distillation apparatus includes several structural elements constituting a distillation apparatus, such as: a distillation kettle 701 into which purified water is fed as the object of distillation; a short distillation column 702 for extracting the components vaporized from the distillation kettle 701; a condenser section 703, which is an example of a condenser for condensing the components vaporized from the distillation kettle 701 and passing through the distillation column 702; a first receiver 704 for receiving the initial distillate condensed by the condenser section 703 in the initial stage; a second receiver 705 for receiving distilled water that is the target of condensation by the condenser section 703; and a recovery container 706 for recovering the vaporized material that has not completely condensed in the condenser section 703 when the front end of the condenser section 703 is drawn with negative pressure using a vacuum pump.

[0243] In addition, in the distillation unit 700, the horizontal dimension (width or length) of at least one of the distillation vessel 701 and the first and second receivers 704 and 705 is set to be larger than the vertical dimension (height).

[0244] In addition, the condenser section 703 is arranged horizontally inside the container body 2a.

[0245] Furthermore, the second receiver 705 is formed in the same shape as the distillation vessel 701, and the first receiver 704 is formed in the same shape as the recovery container 706, aiming to standardize the structural elements of the distillation apparatus.

[0246] Distillation unit 700, such as Figure 33 As shown, the interior of the container body 2a is divided by a partition wall 709 along the center in the horizontal direction into a first region 707, located on the left side of the figure, which contains multiple distillation apparatus components, and a second region 708, which contains operating equipment for operating the distillation apparatus. Considering the temperature rise in the first region 707 of the container body 2a, it is desirable that the partition wall 709 be made of a heat-insulating material.

[0247] like Figure 34 As shown, the upper end 710 of the distillation vessel 701 is provided with: an inlet 711 for adding the distillate, an outlet 712 connected to the distillation column 702 for removing the vaporized distillate and sending it to the condenser section 703, a mounting hole 713 for installing a liquid level sensor 713a for detecting the liquid level of the distillate, an inlet 714a for introducing heating steam, an example of a heating medium for heating the distillate contained inside the distillation vessel 701, and an outlet 714b for discharging the heating medium. Figure 34 and Figure 35 As shown, inside the distillation vessel 701, a spiral heating pipe 714c is housed for the flow of heating medium, such as heating steam, introduced from the inlet 714a. Additionally, as... Figure 36As shown, at the bottom of the distillation vessel 701, there is a thermometer 715 for measuring the temperature of the object to be distilled, and an openable and closable outlet 716 for discharging the distillate remaining inside the distillation vessel 701.

[0248] Furthermore, the heating mechanism for heating the distillation vessel 701 is not limited to heating steam supplied from the heating pipe 714c. Any heating mechanism capable of heating the distillation vessel 701 can be used. For example, if the distillation vessel 701 is made of a material that can be heated by electromagnetic induction, the distillation vessel 701 itself can be heated directly by electromagnetic induction.

[0249] The second receiver 705 is formed in the same shape as the distillation vessel 701. The second receiver 705 contains the distillate as a target and is made of a metal with excellent corrosion resistance, such as titanium, nickel, or stainless steel, through pressure processing, welding, or other processes.

[0250] At the upper end of the second receiver 705, such as Figure 35 As shown, the system includes: a supply port 717 for supplying the target distillate from the condenser section 703; a first mounting port 718 for installing a level gauge 718a to detect the liquid level in the second receiver 705; a second mounting port 719 for installing a pressure gauge to detect the pressure inside the second receiver 705; and a suction port 720 connected to the vacuum pump 747 via a recovery container 706. Additionally, an outlet 721 equipped with an on / off valve 721a is provided at the bottom of the second receiver 705.

[0251] Distillation vessel 701 and second receiver 705, as Figure 34 and Figure 35 As shown, the support frame 723 is fixed in a state supported on a rectangular plane, the support frame 723 being disposed on a foot 722 standing on the ground of the first region 707.

[0252] On the other hand, at the upper end of the first receiver 704, such as Figure 34 As shown, the device includes an opening 724 for receiving the initial distillate condensed by the condenser section 703, a mounting section 725 for mounting a liquid level sensor, and so on. Additionally, at the bottom of the first receiver 704, there is a discharge port 725b equipped with an on / off valve 725a for discharging and recovering the initial distillate.

[0253] like Figure 35 As shown, the first receiver 704 is supported and fixed to a support arm 727, which is arranged in a cantilever beam shape on a foot 726 that stands on the ground of the first region 707.

[0254] In the upper part of the first region 707 within the container body 2a, a short cylindrical distillation column 702 with a relatively large outer diameter is connected to the outlet of the distillation vessel 701. The upper end of the distillation column 702 is arranged vertically towards the top of the first region 707.

[0255] In the upper part of the first region 707 within the container body 2a, the condenser section 703 is horizontally arranged across the first receiver 704 from the upper end of the distillation column 702 along the diagonal of the first region 707.

[0256] Furthermore, the condenser section 703 is directly connected to the distillation vessel 701 via the short distillation column 702, and the internal temperature of the distillation vessel 701 is precisely controlled at a predetermined temperature range. As a result, the water vapor that has just vaporized from the distillation vessel 701 is rapidly cooled and liquefied, and selectively recovered and contained by means of a first receiver 704 or a second receiver 705. Thus, the distillation efficiency of the target distilled water can be maximized, which is determined by the amount of target distilled water relative to the heating energy.

[0257] The condenser section 703 is formed as a cylindrical component with a relatively large outer diameter. Both ends 728 and 729 along the length of the condenser section 703 are closed. In the condensation section 731 located between the closed ends 728 and 729, multiple thin connecting pipes 732, through which gas vaporized from the heated distillation vessel 701 (the object to be distilled) flows, are arranged to connect the two ends 728 and 729 along the length of the condenser section 703. Cooling medium, such as cooling water, is supplied to the condensation section 731 of the condenser section 703 to cool the gas passing through the multiple connecting pipes 732.

[0258] One end 728 of the condenser section 703 is connected to the upper end of the distillation column 702, which is installed at the outlet of the distillation vessel 701. The other end 729 of the condenser section 703 is connected to a pipe 733 that branches into a first receiver 704 and a second receiver 705. An electrically operated three-way valve 734 is provided between the first receiver 704 and the second receiver 705. This three-way valve 734 can be fully closed to branch the distillate from the other end of the condenser section 703. By switching the electrically operated three-way valve 734, the distillate flowing from the other end of the condenser section 703 can be selectively received into the first receiver 704 and the second receiver 705 via pipes 735 and 736. Additionally, an auxiliary outlet (not shown) that can be opened and closed is provided at the other end 729 of the condenser section 703. By closing the electrically operated three-way valve 734, the auxiliary outlet allows for the experimental removal of distillate from the condenser section 703.

[0259] like Figure 34As shown, the upper end of the recovery container 706 is provided with: an air intake 740 connected to the condenser section 703, the first receiver 704, and the second receiver 705 respectively; an opening 741 for mounting a pressure gauge; an inlet 742 for cooling water to flow in; an outlet 743 for cooling water to flow out; and a suction port 744 connected to a vacuum pump. Additionally, at the bottom of the recovery container 706, a discharge outlet 745 is provided, which can be opened and closed by an on / off valve 745a to discharge and recover the initial distillate. Figure 36 In the figure, reference numeral 746 indicates a bucket that contains the wastewater recovered by the recycling container 706.

[0260] The recovery container 706 is positioned close to the vacuum pump 747 located in the second region 708, with the suction piping as short as possible to improve suction efficiency.

[0261] like Figure 36 As shown, the recycling container 706 is supported and fixed to a support arm 749, which is arranged in a cantilever beam shape on a foot 748 standing on the ground of the first region 707.

[0262] like Figure 33 and Figure 34 As shown, the second region 708 of the container body 2a houses: a heat medium circulation device 750 that circulates the heat medium, such as heating steam supplied to the distillation vessel 701; a first cooling water circulation device 751 that circulates cooling water in the heat medium circulation device 750; a second cooling water circulation device 752 that circulates cooling water in the condenser section 703, etc.; and a vacuum pump 747, etc. Furthermore, the second region 708 of the container body 2a provides a working space for the operator S who operates the distillation unit 700.

[0263] Thus, as Figure 32 As shown, the water purification device 500 according to Embodiment 4 is equipped with a distillation unit 700. By distilling the treated water purified by the water purification device 500 using the distillation unit 700, pure distilled water can be produced.

[0264] In addition, such as Figure 32 As shown, in the water purification device 500 according to Embodiment 4, instead of disinfectant for drinking water, a chelating solution is supplied and mixed to inertize metal ions and improve safety.

[0265] Since the other structures and functions are the same as those in Embodiment 1 described above, their descriptions are omitted.

[0266] Industrial applicability

[0267] A water purification device that utilizes a wastewater treatment apparatus can be provided, which does not produce useless wastewater, enables the device to be miniaturized and cost-effective, and can generate a sufficient amount of purified water from an electrical supply system that utilizes natural energy sources such as solar panels or wind turbines.

[0268] Explanation of reference numerals in the attached figures

[0269] 1. Wastewater treatment equipment

[0270] 2···Container body

[0271] 31··· Processing tank

[0272] 32··· Neutralization Tank

[0273] 33···Reservoir

[0274] 61··· Sulfuric Acid Tank

[0275] 62··· Activated Carbon Tank

[0276] 63···Slaked lime tank

[0277] 200··· Rinse water storage tank

[0278] 500··· Water Purification Device

Claims

1. A water purifying apparatus using a wastewater treatment apparatus, wherein, Equipped with: a base capable of being transported; a foreign matter removal mechanism including a cyclone-type centrifugal separation device that removes foreign matter from raw water supplied from the outside; a plurality of treatment tanks configured on the base in a manner that the height of the liquid surface decreases sequentially according to a water purification treatment process in which the foreign matter is removed by the foreign matter removal mechanism; a plurality of medicament tanks that house medicaments to be fed into at least some of the plurality of treatment tanks; a filtration mechanism that is a mechanism that filters treated water treated by the plurality of treatment tanks, a filter member whose inside is divided into a plurality of filter chambers is disposed between a fixed disc and a movable disc that are disposed opposite each other in the horizontal direction, a left end portion of the filter member is not fixed to the fixed disc, the other end portion is connected to the movable disc and is configured to be movable in the horizontal direction, in a state in which the filter member is in a filtration position, treated water introduced into the inside of the filter member is filtered; and a sterilization mechanism that sterilizes the treated water filtered by the filtration mechanism and forms drinking water, on the base, all processes of the water purification treatment in which the raw water is converted into drinking water except for the process in which the foreign matter is removed from the raw water are completed.

2. A water purifying apparatus using a wastewater treatment apparatus, wherein, Equipped with: a single or a plurality of container bodies into which raw water to be treated is introduced from the outside; a foreign matter removal mechanism including a cyclone-type centrifugal separation device that removes foreign matter from the raw water introduced from the outside; a plurality of treatment tanks configured inside the container body in a manner that the height of the liquid surface decreases sequentially, including at least a first treatment tank into which the raw water to be treated is introduced, a second treatment tank into which treated water treated in the first treatment tank is introduced, and a third treatment tank into which treated water treated in the second treatment tank is introduced, a first medicament tank to a fourth medicament tank that house medicaments to be fed into the first treatment tank to the third treatment tank, respectively; a first filtration mechanism that is a mechanism that filters treated water stored in the third treatment tank, a filter member whose inside is divided into a plurality of filter chambers is disposed between a fixed disc and a movable disc that are disposed opposite each other in the horizontal direction, a left end portion of the filter member is not fixed to the fixed disc, the other end portion is connected to the movable disc and is configured to be movable in the horizontal direction, in a state in which the filter member is in a filtration position, treated water introduced into the inside of the filter member is filtered; a second filtration mechanism that filters treated water filtered by the first filtration mechanism in order to convert the treated water into drinking water; and a sterilization mechanism that sterilizes the treated water filtered by the second filtration mechanism and forms drinking water, In the interior of the single or multiple container bodies, all processes of water purification treatment for converting the raw water into drinking water, except for the process of removing foreign matters from the raw water, are completed.

3. The water purifying apparatus using a wastewater treatment apparatus according to claim 1 or 2, wherein It is equipped with a power supply mechanism that supplies power to a part or all of the equipment that performs the movement of the raw water and the treated water, and further performs the input and agitation of the reagent, including at least one of a solar panel or a wind power generator.

4. The water purifying apparatus using a wastewater treatment apparatus as claimed in claim 2, wherein The first and second treatment tanks are configured to: separate the inflow side from the interior of the first treatment tank and the interior of the second treatment tank by a first partition wall, and open a first communication port at the bottom that communicates with the interiors of the first and second treatment tanks, the raw water or the treated water flowing in is supplied to the upper end of the inflow side separated by the first partition wall, and separate the outflow side from the interior of the first treatment tank and the interior of the second treatment tank by a second partition wall, and open a second communication port at the upper end that communicates with the interiors of the first and second treatment tanks, so that the treated water flowing out flows out from a specified depth of the outflow side separated by the second partition wall, thereby causing the raw water or the treated water introduced to be retained in the interiors of the first and second treatment tanks for a predetermined time.

5. The water purifying apparatus using a wastewater treatment apparatus as claimed in claim 2, wherein, The final stage treatment tank among the plurality of treatment tanks is directly arranged on the bottom surface of the container body, and the treated water is moved from the final stage treatment tank to the first filtration mechanism by a pump.

6. The water purifying apparatus using a wastewater treatment apparatus as claimed in claim 2, wherein A raw water tank that stores raw water to be treated is arranged in the interior or exterior of the container body, and the raw water is moved from the raw water tank to the first treatment tank by a pump arranged in the raw water tank.

7. The water purifying apparatus using a wastewater treatment apparatus according to claim 2, wherein The first filtration mechanism is arranged facing an opening portion provided on the side surface of the container body, and a sludge pan that receives sludge remaining in the interior of the filter member is arranged below.

Images