Water purification device using wastewater treatment device

Abstract

The invention provides a water purification device using a waste water treatment device, which does not generate useless waste water, can realize miniaturization and low cost of the device, and can generate a sufficient amount of purified water by a power supply mechanism using natural energy, such as a solar panel or a wind driven generator. The present invention is provided with: a transportable base; a foreign matter removal mechanism for removing foreign matters from raw water supplied from the outside; a plurality of treatment tanks disposed on the base in accordance with a water purification treatment step of the raw water from which the foreign matter has been removed by the foreign matter removal mechanism; a plurality of chemical tanks for accommodating a chemical to be introduced into at least some of the plurality of treatment tanks; a filter mechanism for filtering the treated water treated by the plurality of treatment tanks; and a disinfection means for disinfecting the treated water filtered by the filtration means and forming drinking water. All steps of water purification treatment for converting the raw water into drinking water, except for at least the step of removing foreign matter from the raw water, are completed on the base.

Description

Technical Field

[0001] The present invention relates to a water purification device using a wastewater treatment device, wherein the water purification device is equipped with a portable base, and the wastewater treatment device used for wastewater treatment converts raw water into chemical drinking water. Background Art

[0002] In the past, wastewater treatment equipment (factories) were configured to treat various types of wastewater, such as: treated wastewater such as degreasing rinsing water or chemical rinsing water after degreasing or chemical treatment of metal products that have undergone machining or assembly processes before painting; wastewater after roller grinding in which the product to be ground is mixed and stirred with a grinding stone or abrasive and water in a tank-type device; or wastewater after aluminum anodizing treatment (anodizing treatment of aluminum); further, wastewater after plating treatment such as hot-dip galvanizing; 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 (factory) is equipped with multiple treatment tanks, including: multiple treatment tanks that use acid, alkali, etc. to perform chemical treatment according to the type and chemical characteristics of the wastewater to be treated; separation tanks that sequentially put in prescribed reagents according to the treatment process of each treatment tank and perform chemical treatment to separate solid substances, etc. In addition, in the wastewater treatment equipment (factory), according to the wastewater treatment capacity required by the equipment, multiple treatment tanks are connected by piping, and piping and other equipment for putting prescribed reagents into multiple treatment tanks are set, which has to adopt very complex equipment designed based on advanced chemical knowledge.

[0004] In the past, such wastewater treatment facilities (plants) were designed and constructed by designers and constructors according to the type, chemical characteristics or scale of wastewater discharged from the user's factory, etc., and were installed at the user's factory, etc. Therefore, wastewater treatment facilities (plants) have the technical problem that they require a very long time from design and construction to completion and operation, and the manufacturing cost is inevitably high.

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

[0006] Patent document 2 is a movable wastewater treatment unit equipped with a wastewater treatment tank having a flow adjustment tank and a blower for supplying oxygen to the wastewater treatment tank inside a transport container, the wastewater treatment tank being equipped with an anaerobic tank and an aerobic tank, and the transport container being equipped with an inspection port for performing maintenance on the wastewater treatment tank.

[0007] In addition, the water purifier of Patent Document 3 is as follows: at least a solar cell module is arranged on the top plate of a container for transporting goods, and on the other hand, a water purifier body and a control panel are arranged in the container, the water purifier body has a plurality of pumps that operate using the power obtained from the solar cell module, the control panel uses the power and controls the water purifier body, the water purifier body is equipped with a solid-liquid separation processing section and a clear liquid collecting device arranged between the solid-liquid separation processing section and a filtering device on the downstream side, the polluted raw water and the coagulant are put into a reaction tank, and the solid-liquid separation processing section separates floccules that are precipitated by a stirring mechanism that rotates using the driving force of a driving motor provided in the reaction tank from transparent water whose color has become transparent, the clear liquid collecting device is equipped with a transfer pump on the downstream side, and the clear part is pressure-transmitted to the downstream side via a movable pipe mechanism, the movable pipe mechanism performs a lifting and lowering movement in the clear liquid collecting tank according to the change of the water level, and sucks the clear part in a manner not to suck in the floating floccules remaining in the clear water in the clear liquid collecting tank.

[0008] However, the wastewater treatment unit according to Patent Document 2 is merely a unit equipped with an anaerobic tank and an aerobic tank as a wastewater treatment tank, and cannot cope with wastewater having various chemical properties, such as pre-painting treatment wastewater that has undergone degreasing treatment, chemically treated degreasing rinsing water, chemical rinsing water, wastewater after drum grinding treatment, wastewater after aluminum anodizing treatment, and wastewater after plating treatment.

[0009] In addition, the container-type water treatment device according to Patent Document 3 is a structure that performs solid-liquid separation by condensing and precipitating impurities in raw water. Therefore, the container-type water treatment device has a technical problem that the stationary time and stationary area for separation are required, and the device size is enlarged in order to ensure the area for batch operation. In addition, in terms of the characteristics of the RO membrane used as a filtering device, there is a technical problem that 2 to 3 times the production amount of wastewater is generated, thereby generating wasteful raw water.

[0010] Furthermore, the container-type water treatment device according to Patent Document 3 uses a solar cell module arranged on the top plate of the container. However, considering the area of ​​the solar cell module installed on the top plate of a 40-foot container, its power generation is about 2.7 kWh / day. Since the water treatment device uses an RO membrane as a filtration device, its filtration capacity is 2.5 to 3.0 kWh / m 3 In addition, since the RO membrane requires a high-output pump to operate continuously, it is necessary to store electricity in batteries when using natural energy with unstable power generation. If the loss caused by battery charging and discharging (20-30%) is taken into account, the water production per day is less than 1m 3 .

[0011] In addition, according to the container-type water purification device of Patent Document 3, it is assumed that in order to separate the solid and liquid by coagulation and sedimentation, the static time (reference 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, more than a whole day is required, and there is a technical problem that it takes a long time to start up.

[0012] Furthermore, according to the container-type water purification device of Patent Document 3, since a high-output pump is required, there is a technical problem that the device becomes very expensive. Furthermore, according to the container-type water purification device of Patent Document 3, since a large amount of sludge containing water is generated, the sludge treatment is complicated, and a container for storing the sludge is required, which has a technical problem of requiring additional equipment. Prior art literature Patent Literature Patent Document 1: Japanese Patent Application Laid-Open No. 8-24877 Patent Document 2: Japanese Patent Application Publication No. 2015-39669 Patent Document 3: International Publication No. 2010-46960 Summary of the invention Problems to be solved by the invention

[0014] The object of the present invention is to provide a water purification device utilizing a wastewater treatment device, taking advantage of the following characteristics of the wastewater treatment device, namely, being able to cope with various wastewaters such as wastewater treated before painting, wastewater treated by drums, wastewater after aluminum anodizing treatment, wastewater after plating treatment, wastewater after degreasing treatment in semiconductor manufacturing equipment, etc., and being able to be installed and operated at a desired location in a shorter time and at a lower cost than in the past.

[0015] In addition, the object of the present invention is to provide a water purification device using a wastewater treatment device, which will not produce waste water, can make the device miniaturized and low-cost, and can generate a sufficient amount of purified water through an electric power supply mechanism that utilizes natural energy such as solar panels or wind turbines. Means of solving problems

[0016] The invention described in Scheme 1 is a water purification device using a wastewater treatment device, comprising: Abutments that can be transported; a foreign matter removing mechanism that removes foreign matter from raw water supplied from the outside; a plurality of treatment tanks, the plurality of treatment tanks being arranged on the base according to a water purification process of the raw water from which foreign matter has been removed by the foreign matter removal mechanism; a plurality of reagent tanks, wherein the plurality of reagent tanks contain reagents to be put into at least a part of the plurality of treatment tanks; A filtering mechanism, the filtering mechanism filtering the treated water treated by the plurality of treatment tanks; a disinfection mechanism for disinfecting the treated water filtered by the filtering mechanism to form drinking water, On the base, all steps of water purification for converting the raw water into drinking water are completed except for at least the step of removing foreign matter from the raw water.

[0017] The invention described in Scheme 2 is a water purification device using a wastewater treatment device, comprising: a single or multiple container bodies into which raw water to be treated is introduced from the outside; a foreign matter removing mechanism for removing foreign matter from the raw water introduced from the outside; a plurality of treatment tanks, the plurality of treatment tanks being arranged in a manner such that the height of the liquid level is sequentially decreased inside the container body, and comprising at least: a first treatment tank into which the raw water to be treated is introduced, a second treatment tank into which the treated water treated in the first treatment tank is introduced, and a third treatment tank into which the treated water treated in the second treatment tank is introduced, first to fourth reagent tanks, wherein the first to fourth reagent tanks contain reagents to be respectively put into the first to third processing tanks; a first filtering mechanism, the first filtering mechanism filtering the treated water stored in the third treatment tank; a second filtering mechanism, the second filtering mechanism filtering the treated water filtered by the first filtering mechanism to convert it into drinking water; a disinfection mechanism, wherein the disinfection mechanism disinfects the treated water filtered by the second filtering mechanism to form drinking water, All the steps of water purification for converting the raw water into drinking water are completed inside the single or multiple container bodies, except at least the step of removing foreign matter from the raw water.

[0018] The invention described in Scheme 3 is a water purification device utilizing a wastewater treatment device as described in Scheme 1 or 2, and is equipped with a power supply mechanism that supplies power to a part or all of the equipment for moving the raw water and the treated water and further adding and stirring the reagent, including at least one of a solar panel or a wind turbine.

[0019] The invention described in Scheme 4 is a water purification device using the wastewater treatment device as described in Scheme 2, wherein the first treatment tank and the second treatment tank are configured so that the introduced wastewater or the treated water stays inside the first treatment tank and the second treatment tank for a predetermined time.

[0020] The invention described in claim 5 is a water purification device using the wastewater treatment device as described in claim 2, wherein a third treatment tank is directly arranged 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.

[0021] The invention recorded in Scheme 6 is a water purification device utilizing a wastewater treatment device as described in Scheme 2, wherein a raw water tank for storing raw water to be treated is arranged inside or outside the container body, and a pump arranged in the raw water tank is used to move the raw water from the raw water tank to the first treatment tank.

[0022] The invention described in claim 7 is a water purification device using the wastewater treatment device described in claim 2, wherein the first filter filters the treated water retained in the third treatment tank by injecting it into a plurality of filter elements. Effects of the Invention

[0023] According to the present invention, a water purification device utilizing a wastewater treatment device can be provided, which takes advantage of the following characteristics of the wastewater treatment device, namely, it can cope with various wastewaters such as wastewater treated before painting, wastewater treated by drums, wastewater after oxidation treatment of aluminum, wastewater after plating treatment, wastewater after degreasing treatment in semiconductor manufacturing equipment, etc., and can be installed and operated at a desired location in a shorter time and at a lower cost than in the past.

[0024] In addition, according to the present invention, a water purification device utilizing a wastewater treatment device can be provided, which does not generate waste water, can make the device smaller and less expensive, and can generate a sufficient amount of purified water through an electric power supply mechanism utilizing natural energy such as solar panels or wind turbines. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 It is a planar structural diagram showing a wastewater treatment apparatus which is a premise of the water purification apparatus according to the first embodiment. Figure 2 It is a front structural diagram showing a wastewater treatment device which is a premise of the water purification device according to the first embodiment. Figure 3 yes Figure 1 Cross-sectional view along line III-III. Figure 4 It is a right side structural diagram showing a wastewater treatment device which is a premise of the water purification device according to the first embodiment. Figure 5 yes Figure 1 VV line cross-sectional view. Figure 6 It is a three-dimensional diagram showing the appearance of the container body. Figure 7 This is a diagram showing the configuration of piping of a wastewater treatment device serving as a premise of the water purifier according to the first embodiment. Figure 8 This is a structural diagram showing a structure for retaining wastewater to be treated in a treatment tank in a wastewater treatment apparatus serving as a premise of the water purifier according to the first embodiment. FIG9(a) is a front structural view showing a treatment tank in a wastewater treatment apparatus serving as a premise of the water purification apparatus according to the first embodiment. FIG9(b) is a plan view showing the structure of a treatment tank in a wastewater treatment device serving as a premise of the water purification device according to the first embodiment. FIG10(a) is a perspective view showing the structure of a rinse water tank for storing waste water to be treated in a waste water treatment device serving as a premise of the water purifier according to the first embodiment. FIG10(b) is a perspective view showing the structure of a rinse water tank for storing waste water to be treated in the waste water treatment device serving as a premise of the water purifier according to the first embodiment. Fig.11 It is a plan view showing the structure of the water purifier according to the first embodiment. Fig.12 It is a front structural view showing the water purifier according to the first embodiment. Fig.13 It is a back structural view showing the water purifier according to the first embodiment. Fig.14 It is a plan view showing the structure of the water purifier according to the first embodiment. Fig.15 It is a diagram showing the configuration of piping of the water purifier according to the first embodiment. Fig.16 It is a right side structural view showing the water purifier according to the first embodiment. Fig.17 It is a left side structural view showing the water purifier according to the first embodiment. Fig.18 It is a plan view showing a modified example of the water purifier according to the first embodiment. Fig.19 It is a front structural view showing a modified example of the water purifier according to the first embodiment. Fig. 20 It is a plan view showing the structure of a water purifier according to the second embodiment. Fig.21 It is a front structural view showing the water purifier according to the second embodiment. Fig. 22 It is a back structural view showing the water purifier according to the second embodiment. Fig.23 It is a plan view showing the structure of a water purifier according to the second embodiment. Fig.24 It is a right side structural view showing the water purifier according to the second embodiment. Fig.25 It is a left side structural view showing the water purifier according to the second embodiment. Fig.26 It is a diagram showing the configuration of piping of the water purifier according to the second embodiment. FIG27(a) is a diagram showing the structure of a water purifier according to the third embodiment. FIG27( b ) is a diagram showing the structure of the water purifier according to the third embodiment. FIG28(a) is a diagram showing the structure of a water purifier according to the third embodiment. FIG28( b ) is a diagram showing the structure of the water purifier according to the third embodiment. Fig.29 It is a plan view showing the structure of a water purifier according to the fourth embodiment. Fig.30 It is a front structural view showing the water purifier according to the fourth embodiment. Fig.31 It is a plan view showing the structure of a water purifier according to the fourth embodiment. Fig.32 It is a diagram showing the configuration of piping of the water purifier according to the fourth embodiment. Fig.33 It is a front structural view showing a distillation device unit of a water purifier according to the fourth embodiment. Fig.34 It is a plan view showing the structure of a distillation device unit of a water purifier according to the fourth embodiment. Fig.35 It is a left side structural view showing a distillation device unit of a water purifier according to the fourth embodiment. Fig.36 It is a right side structural view showing a distillation device unit of the water purifier according to the fourth embodiment. DETAILED DESCRIPTION

[0026] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0027] [Implementation Method 1] Before describing the water purifier according to the first embodiment of the present invention, a wastewater treatment device serving as a premise for the structure of the water purifier will be described.

[0028] Due to global warming, the damage caused by natural disasters such as typhoons, heavy rains, and earthquakes is increasing. The supply of lifelines is frequently interrupted, such as the collapse of power poles caused by typhoons and earthquakes, the interruption of power supply, the flooding of roads and floors caused by heavy rains, and the interruption of water supply caused by the breaking of water pipes due to earthquakes.

[0029] The impact of the power supply caused by the collapse of electric poles and other above-ground buildings can be restored relatively quickly. On the other hand, when the water supply is temporarily cut off due to flooding of roads and water infiltration on the ground caused by heavy rain, or when the water pipes are broken due to earthquakes, the restoration of the water pipes as underground structures may take several days at the shortest and several weeks at the longest, and the supply of drinking water has to rely on water tankers, etc. In particular, the supply of drinking water is different from electricity and directly affects human life.

[0030] However, the wastewater treatment device according to the present inventor is mainly aimed at treating various wastewaters (industrial wastewaters) such as wastewater before painting, wastewater from drum treatment, wastewater after aluminum oxidation treatment, wastewater after plating treatment, and wastewater after degreasing treatment in semiconductor manufacturing equipment.

[0031] In contrast, the pollution degree of raw water such as rivers, lakes or rainwater stored on the ground is different from that of industrial wastewater and is light. Therefore, the wastewater treatment device 1 can be used as a water purification device by adding a part of the structure. In addition, since the wastewater treatment device is based on the container body, it can be moved to a desired place such as a disaster area by a truck or the like and operated quickly.

[0032] Figures 1 to 5 is a diagram showing the overall structure of a wastewater treatment device serving as a prerequisite for the water purification device according to Embodiment 1 of the present invention, Figure 1 It is a plan view showing the structure of the wastewater treatment plant. Figure 2 This is a front view of the wastewater treatment plant. Figure 3 yes Figure 1 The III-III line cross-sectional view, Figure 4 This is a diagram showing the right side structure of the wastewater treatment device. Figure 5 yes Figure 1 VV line cross-sectional view.

[0033] According to the wastewater treatment device 1 of this embodiment 1, Figure 1 As shown, a container body 2 conforming to ISO standards is provided. The container body 2 is, for example, a body conforming to 20-foot standards. The outer dimensions of the container body 2 are set to 6058 mm in length, 2438 mm in width, and 2591 mm in height.

[0034] In order to seek the commonality of transportation infrastructure and ensure the efficiency of transportation operations, the International Organization for Standardization (ISO) has standardized containers. Regardless of the manufacturer of the container, the external dimensions (outer dimensions) of ISO-standard containers are the same. For ISO-standard containers, containers of various sizes such as 20 feet and 40 feet are prepared. In addition, the container body 2 only needs to have the same external dimensions as the container suitable for ISO standards, and the container body 2 itself does not necessarily constitute the so-called container itself. For example, the container body 2 can also be composed of only a rectangular frame having the same external dimensions as the container suitable for ISO standards. Here, as an example of a specification, the ISO specification is explained, but it is not limited to this, and it can also be suitable for JIS specifications, etc.

[0035] Container body 2, such as Figure 6As shown, the container body 2 is formed into a long and narrow rectangular parallelepiped having a top surface 3, a bottom surface 4, front and rear side surfaces 5 and 6 along the longitudinal direction, and left and right side surfaces 7 and 8 along the transverse direction. The container body 2 is basically equipped with a frame body 9 arranged on the bottom surface 4 and having a rectangular plane, a frame body 10 arranged on the top surface 3 and having a rectangular plane, and four pillars 11 to 14 connecting the frame body 9 of the bottom surface 4 and the frame body 10 of the top surface 3 at four corners. In addition, the frames 9, 10 and the pillars 11 to 14 are not all necessary, and the top surface 3, the bottom surface 4 or the side surfaces 5, 6, 7, 8, etc. may also have their functions. For example, the frame body 10 arranged on the top surface 3 is not necessary, and the top surface 3 itself made of a steel plate such as a corrugated plate having a rectangular plane concave and convex connecting the four pillars 11 to 14 may also have this function. Connecting parts 15 to 22 are provided at the eight corners of the container body 2 for lifting the container body 2 when transporting it, or for connecting it with an adjacent container body 2 not shown in the figure in the vertical direction or horizontal direction. For the container body 2, in addition to the bottom surface 4, a part or all of the top surface 3, the front and rear side surfaces 5, 6, and the left and right side surfaces 7, 8 may be opened, or the top surface 3, the front and rear side surfaces 5, 6, and the left and right side surfaces 7, 8 may be all closed, including the bottom surface 4. In addition, Figure 6 In the figure, for convenience, the reference numeral of the connection part 22 is marked in the brackets next to the connection part 21, but the connection part 22 is arranged directly below the connection part 18. The container body 2 is horizontally installed directly or via a pedestal not shown in the figure on a predetermined installation surface B (refer to Figure 3 )superior.

[0036] According to the container body 2 of this embodiment 1, as Figure 1 and Figure 6 As shown, on the front and rear sides 5, 6, opening and closing doors 23, 24 are provided to open and close toward the outside for operators to enter and exit. In addition, it goes without saying that the opening and closing doors 23, 24 can also be provided on one of the front and rear sides 5, 6 or the other side 7, 8. In addition, the container body 2 is provided with an opening portion 25 with a width slightly shorter than 1 / 2 of the total length along its length direction on a portion of the inner side (the right side in the figure) along the length direction of the right side side 8. The opening portion 25 is constructed so that it can be opened and closed by a gate 26 or an opening and closing door, etc. except for a portion of the upper end portion. At the upper end portion of the opening portion 25, as shown in FIG. Figure 4 As shown, a shutter box 27 for accommodating a shutter 26 in an openable and closable manner is arranged inside.

[0037] Container body 2, such as Figure 2 and Figure 5As shown, the liquid leakage prevention treatment is implemented over a predetermined height including the bottom surface 4. On the bottom surface 4 of the container body 2, a steel plate 28 is laid over the entire surface by welding or other measures to seal the upper part of the frame 9. The steel plate 28 located on the ground may be a steel plate constituting the bottom surface 4 of the container body 2 itself, or may be a steel plate that is different from the ground surface 4 and only constitutes the ground surface. In addition, considering the structure of the container body 2, etc., it is desirable that the steel plate 28 on the ground constitutes the bottom surface 4 of the container body 2 itself.

[0038] On the outer periphery of the steel plate 28 located at the bottom surface 4 of the container body 2, a liquid leakage prevention wall 29 made of a steel plate or the like is provided in a plane rectangular frame shape by welding or the like in an upright state over a predetermined height (for example, about 100 to 250 mm) so as to surround the entire periphery. On the bottom surface 4 of the container body 2, the steel plate 28 and the liquid leakage prevention wall 29 provide a liquid leakage prevention function over a predetermined height. For the container body 2, even if wastewater or treated water leaks from the reaction tank 31 to be described later, the leaked wastewater or treated water will be retained inside the liquid leakage prevention wall 29 on the bottom surface 4, and will not leak to the outside to pollute the land or the installation surface B, etc. In addition, for the container body 2, since the liquid leakage prevention treatment is implemented on its bottom surface 4 itself, it is not necessary to separately implement the liquid leakage prevention treatment work around the periphery and the ground of the place where the container body 2 as the wastewater treatment device 1 is installed, as in the case of installing a normal wastewater treatment facility (factory), etc. From this point of view, the wastewater treatment device 1 according to the present embodiment 1 can be easily installed. In addition, the bottom surface 4 of the container body 2 can also be coated with a synthetic resin or the like on the inner peripheral surface of the steel plate 28 and the liquid leakage prevention wall 29 to further improve the liquid leakage prevention function and the insulation function.

[0039] On the bottom surface 4 of the container body 2, as Figure 1 and Figure 2 As shown in FIG. 1 , a wastewater collection tank 30 having a concave cross-section is provided to receive wastewater or treated water leaking out of the bottom surface 4 from the right side 8 near the center portion along the longitudinal direction. Figure 7 As shown, wastewater or treated water that can be collected in the wastewater collection tank 30 is pumped by a pump 301, or discharged to an external rinsing water storage tank 200 or the like through a wastewater pipe 303 equipped with a valve 302 set on the side of the wastewater collection tank 30.

[0040] like Figure 1 and Figure 3As shown, a plurality of treatment tanks are arranged inside the container body 2, and the plurality of treatment tanks are arranged in a manner that the height of the liquid level becomes lower in sequence, and at least include: a reaction tank 31 as an example of a first treatment tank into which wastewater to be treated is introduced; a neutralization tank 32 as an example of a second treatment tank into which treated water treated in the reaction tank 31 is introduced; and a reserve (storage) tank 33 as an example of a third treatment tank into which treated water treated in the neutralization tank 32 is introduced. In addition, it goes without saying that the number of treatment tanks is not limited to 3, and 4 or more may be arranged.

[0041] To further illustrate, the interior of the container body 2 is as follows Figure 1 As shown in FIG. 1 , a passage 34 is provided in the center along the width direction thereof, and is provided along the entire length thereof so as to connect the front and rear opening and closing doors 23 and 24. The interior of the container body 2 is divided into a first processing area 35 and a second processing area 36 across the passage 34. The first processing area 35 is located on one side (at the left) along the width direction, which is a direction intersecting the length direction. Figure 1 The second processing area 36 is located on the other side along the width direction (in Figure 1 The middle is the lower side).

[0042] like Figure 4 and Figure 5 As shown, on the back side of the container body 2 (at Figure 1 The right side in the middle is provided with a step 37 as a stepping area for operators entering and exiting through the opening and closing door 24, and a workbench 38 set higher than the step 37. The step 37 is set to the same height as the liquid leakage prevention wall 29. In addition, the workbench 38 is set to a height significantly higher than the step 37 corresponding to the height of the reaction tank 31 and the neutralization tank 32. Figure 1 As shown, the workbench 38 is arranged along the longitudinal direction of the container body 2 up to the substantially central portion near the reserve tank 33 .

[0043] Inside the container body 2, as shown in FIG. Figure 1 and Figure 3 As shown, in the first treatment area 35 which is an area on one side along its width direction, the following are arranged in sequence from the inner end along the length direction in a state of being adjacent to each other with a small interval: a reaction tank 31 into which wastewater to be treated is introduced from the outside, a neutralization tank 32 into which treated water treated in the reaction tank 31 is introduced, and a reserve tank 33 into which treated water treated in the neutralization tank 32 is introduced.

[0044] In the present embodiment 1, the reaction tank 31, the neutralization tank 32 and the reserve tank 33 are similarly constructed. The reaction tank 31, the neutralization tank 32 and the reserve tank 33 are made of a bottomed cylindrical synthetic resin with the entire upper end surface or a part of the upper end surface opened, or a metal tank whose inner circumference is coated with Teflon (registered trademark) or the like as needed. The capacity of each tank 31 to 33 is set to an equal value (500L), for example. When the capacity of each tank 31 to 33, especially the reaction tank 31 and the neutralization tank 32, is set to an equal value, it is preferred because the wastewater in each tank can be treated continuously. However, the capacity of each tank 31 to 33 does not necessarily have to be set to the same value, and its value is not limited to 500L. It goes without saying that it can be more or less than it according to the amount of wastewater to be treated.

[0045] The capacity of the reaction tank 31, the neutralization tank 32, and the reserve tank 33 depends on the processing capacity per unit time of the wastewater treatment device 1. According to the wastewater treatment device 1 of the first embodiment, for example, a processing capacity per unit time corresponding to 0.4 m 3 / hr、1.0m 3 / hr, 2.0m 3 / hr these three models. The wastewater introduced into the reaction tank 31 is mixed with a prescribed agent for a predetermined time and reacted inside the reaction tank 31 as will be described later, and then moves to the neutralization tank 32, and then mixed with a prescribed agent for a predetermined time and neutralized. In this embodiment 1, the head pressure generated by the height difference is used to move the treated water from the reaction tank 31 to the neutralization tank 32. Therefore, the amount of wastewater introduced into the reaction tank 31 per unit time determines the treatment capacity of the wastewater treatment device 1. At this time, when the treatment capacity per unit time of the wastewater treatment device 1 is 1.0m 3 / hr, the reaction tank 31 with a capacity of 500L is filled in about 30 minutes, and the treated water flows to the subsequent neutralization tank 32. That is, the wastewater introduced into the reaction tank 31 is retained in the reaction tank 31 for about 30 minutes, and undergoes reaction with the reagent. In this way, the wastewater introduced into the reaction tank 31 undergoes reaction treatment in the reaction tank 31 for a specified time, and continuously flows to the subsequent neutralization tank 32.

[0046] like Figure 3As shown, the reaction tank 31, the neutralization tank 32 and the reserve tank 33 are arranged in a manner that the height of the liquid level decreases in sequence. Assuming that the amount of treated water contained in the respective tanks 31 to 33 is approximately equal, in the first embodiment, 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 reserve tank 33 is set at the lowest position. The reaction tank 31 is set at the highest position on the first support 40 arranged on the bottom surface 4 of the container body 2 and further via the second support 41. In addition, the neutralization tank 32 is set at the second highest position compared to the reaction tank 31 via the first support 40 arranged on the bottom surface 4 of the container body 2. In the first embodiment, 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 reserve tank 33. The reserve 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. The reaction tank 31 , the neutralization tank 32 , and the reserve tank 33 are set in accordance with the height of their bottom surfaces so that the height of the liquid level decreases in sequence with a step difference when a predetermined amount of treated water is contained therein.

[0047] The reaction tank 31, the neutralization tank 32, and the reserve tank 33 are configured to flow the treated water between the tanks 31 to 33 by using the head pressure generated by the height difference of the liquid level, as described above. Therefore, the flow of the treated water between the tanks 31 to 33 basically does not require a driving mechanism such as a pump, which can save energy. However, it is also possible to use a driving mechanism such as a pump to move the treated water between the tanks 31 to 33.

[0048] At the upper end of the reaction tank 31 on the neutralization tank 32 side, a first connecting pipe 42 is arranged at a predetermined height H (see FIG. 9 ) on the side thereof, and the treated water flows from the reaction tank 31 to the neutralization tank 32 in the first connecting pipe 42 by the water head pressure generated by the height difference. In addition, the end of the first connecting pipe 42 on the reaction tank 31 side is arranged to be located at a predetermined depth D in the reaction tank 31. In addition, the end of the first connecting pipe 42 on the neutralization tank 32 side is arranged to face the opening of the upper end of the neutralization tank 32.

[0049] 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 in the reaction tank 31 continuously flows to the neutralization tank 32 via the first connecting pipe 42 using the head pressure generated by the height difference. The movement of the treated water from the reaction tank 31 to the neutralization tank 32 is basically performed in a manner that eliminates the height difference between the liquid levels of the reaction tank 31 and the neutralization tank 32. However, in the wastewater treatment device 1 according to the present embodiment 1, it is configured to continuously treat the wastewater, and the height of the liquid levels of the reaction tank 31 and the neutralization tank 32 basically maintains a predetermined height difference.

[0050] Similarly, at the upper end of the neutralization tank 32 on the reserve tank 33 side, a second connecting pipe 43 is arranged at a predetermined height H (see FIG. 9 ) on the side thereof, and the treated water flows from the neutralization tank 32 to the reserve tank 33 in the second connecting pipe 43 by the water head pressure generated by the height difference. The end of the second connecting pipe 43 on the neutralization tank 32 side is arranged to be located at a predetermined depth D in the neutralization tank 32. In addition, the end of the second connecting pipe 43 on the reserve tank 33 side is arranged to face the opening of the upper end of the reserve tank 33.

[0051] 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 in the neutralization tank 32 continuously flows to the reserve tank 33 via the second connecting pipe 43 using the head pressure generated by the height difference. The movement of the treated water from the neutralization tank 32 to the reserve tank 33 is basically performed in a manner that eliminates the height difference between the liquid levels of the neutralization tank 32 and the reserve tank 33. However, in the wastewater treatment device 1 according to the present embodiment 1, it is configured to continuously treat the wastewater, and the height of the liquid levels of the neutralization tank 32 and the reserve tank 33 basically maintains a predetermined height difference.

[0052] The wastewater treatment device 1 according to the first embodiment is configured to be equipped with the following retention mechanism, which retains the treated water supplied to the reaction tank 31 and the neutralization tank 32 for a certain period of time inside the reaction tank 31 and the neutralization tank 32. Here, although the reaction tank 31 is used as an example for description, the neutralization tank 32 is also configured in the same manner.

[0053] As shown in FIG9 , inside the reaction tank 31, in order to prevent the treated water in the reaction process supplied to the reaction tank 31 from moving to the neutralization tank 32 without being fully mixed, a curved first partition wall 310 is provided on the inlet side of the reaction tank 31 to partition the inside of the reaction tank 31. The first partition wall 310 has a first connecting port 311 at its bottom that is connected to the inside of the reaction tank 31. The wastewater supplied to the reaction tank 31 stays inside the first partition wall 310 and flows into the inside of the reaction tank 31 little by little from the first connecting port 311.

[0054] Similarly, inside the reaction tank 31, in order to prevent the wastewater newly supplied to the reaction tank 31 and not yet fully mixed with the reagent from moving directly to the neutralization tank 32, a curved second partition wall 312 is provided on the outflow side of the reaction tank 31 to be separated from the inside of the reaction tank 31. The second partition wall 312 has a second connecting port 313 at its upper end that is connected to the inside of the reaction tank 31. In addition, the end of the outflow side of the first connecting pipe 42 is arranged to be located at a predetermined depth D inside the second partition wall 312 in the reaction tank 31.

[0055] As a result, the wastewater supplied to the reaction tank 31 gradually moves downward on the inner side of the first partition wall 310, flows into the reaction tank 31 little by little from the first communication port 311, and is fully stirred with the treated water and the reagent supplied to the reaction tank 31 by the first agitator 47. After that, the treated water fully stirred with the reagent in the reaction tank 31 moves downward from the second communication port 313 of the second partition wall 312 inside the second partition wall 312, and the treated water mixed with the same amount of reagent flowing into the reaction tank 31 moves to the neutralization tank 32 via the first communication pipe 42. Therefore, the wastewater supplied to the reaction tank 31 stays in the reaction tank 31 for a predetermined time (for example, about 30 minutes), and after being fully stirred and mixed with the reagent supplied to the reaction tank 31 and undergoing reaction treatment as will be described later, it starts to move to the neutralization tank 32.

[0056] In the container body 2, as Figure 1 and Figure 3 As shown, a first support frame 44 having a rectangular plane arranged in the horizontal direction is erected over the upper part of the reaction tank 31 and the neutralization tank 32. One leg 45 of the first support frame 44 is based on the second support platform 41, and the other leg 46 is based on the first support platform 40.

[0057] The first support frame 44 is provided with: first and second agitators 47 and 48 arranged eccentrically, the first and second agitators 47 and 48 agitating the interior of the reaction tank 31 and the neutralization tank 32; and first and second pH sensors 49 and 50 detecting the pH value of the treated water in the reaction tank 31 and the neutralization tank 32 (refer to Figure 1 ).

[0058] like Figure 7 and Figure 8 As shown, the wastewater to be treated is supplied from the rinse water storage tank 200 to be described later to the interior of the reaction tank 31 via the supply pipe 51. An on-off valve 52 (see Figure 7 ).

[0059] A second support frame 53 having a rectangular plane is horizontally arranged above the storage tank 33. One end of the second support frame 53 is connected and fixed to the leg 46 of the first support frame 44, and the other leg 54 is supported on the bottom surface 4.

[0060] The second support frame 53 is provided with a first sensor 55 and a second sensor 56 for detecting the height of the liquid level of the storage tank 33 at two positions, a relatively high first position and a relatively low second position. In addition, a first supply pump 57 is accommodated inside the storage tank 33. The first supply pump 57 draws the treated water accommodated inside the storage tank 33 and supplies it to the filter 80 to be described later. Furthermore, a return pipe 59 is provided at the upper end of the storage tank 33. The return pipe 59 is provided with a screen 58 (see FIG. 1 ) at the opening for returning the backwash water from the filter 80. Figure 3 ).

[0061] When the liquid level of the treated water contained in the reserve tank 33 reaches the level detected by the first liquid level sensor 55, the first supply pump 57 is driven to supply the treated water to the filter 80. When the liquid level of the treated water contained in the reserve tank 33 drops to the level 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.

[0062] In addition, inside the container body 2, as shown in FIG. Figure 1 and Figure 3 As shown, in the first processing area 35 which is an area on one side along its width direction, there are provided in sequence from the central part along the length direction to the end on the other side (left side): a sulfuric acid tank 61 as an example of a first reagent tank containing sulfuric acid having a specified concentration; an activated carbon tank 62 as an example of a second reagent tank containing activated carbon mixed and diffused into water; and a slaked lime tank 63 as an example of a third reagent tank containing slaked lime (potassium hydroxide: Ca(OH)2) dissolved in water.

[0063] In addition, as the first to fourth chemicals contained in the first to third chemical tanks 61 to 63 and the fourth chemical tank 97 to be described later, a combination of sulfuric acid, activated carbon, slaked lime, and polyaluminum chloride (or polyferrous sulfate or ferrous chloride) to be described later is used as a standard unit. By using chemicals of the standard unit, it is possible to handle wastewater treatment such as pre-coating wastewater, drum grinding wastewater, aluminum anodizing wastewater, hot-dip galvanizing wastewater, degreasing and pickling process rinsing wastewater.

[0064] However, the types of chemicals are not limited to these. When the wastewater to be treated is plating wastewater including gold cyanide plating process, etc., in addition to the standard unit, an oxidation treatment unit such as sodium hypochlorite and caustic soda can be used. When the wastewater to be treated is plating wastewater including chromium plating process, etc., in addition to the standard unit, a reduction treatment unit such as sodium bisulfite and sulfuric acid can be used.

[0065] The sulfuric acid tank 61 is composed of a cylindrical tank with a cover and a bottom. A third liquid level sensor 64 is installed on the cover of the sulfuric acid tank 61. The third liquid level sensor 64 detects the liquid level of sulfuric acid of a predetermined concentration stored in the sulfuric acid tank 61. In addition, a second supply pump 65 for supplying sulfuric acid stored in the sulfuric acid tank 61 is installed on the second support frame 53 adjacent to the sulfuric acid tank 61. A supply pipe 66 (see FIG. 1 ) for supplying sulfuric acid to the interior of the reaction tank 31 is provided. Figure 7 ) is connected to the supply side of the second supply pump 65.

[0066] When the third liquid level sensor 64 detects a drop in the liquid level, a warning is issued to inform of the drop, and the operator supplies sulfuric acid and dilution water to the sulfuric acid tank 61 .

[0067] In this embodiment 1, if Figure 1 and Figure 3 As shown, the activated carbon tank 62 and the slaked lime tank 63 are similarly constructed. The activated carbon tank 62 and the slaked lime tank 63 are composed of a bottomed cylindrical synthetic resin or a metal tank with a coated inner surface, the entire surface of the upper end surface or a part of the upper end surface being opened. The capacity of each tank 62, 63 is set to be equal (500L), for example. However, it goes without saying that the capacity of each tank 62, 63 does not necessarily have to be set to be equal. In addition, its value is not limited to 500L, and it can also be more or less than it.

[0068] The activated carbon tank 62 and the slaked lime tank 63 are arranged at the same height on the bottom surface 4 of the container body 2 via a low stand 67. Figure 1 and Figure 3 As shown, a third support frame 68 having a rectangular plane and arranged in the horizontal direction is installed across the activated carbon tank 62 and the slaked lime tank 63. The leg portion 69 of the third support frame 68 is supported on the stand 67.

[0069] The third support frame 68 is provided with: a third and fourth agitators 71, 72 for agitating the inside of the activated carbon tank 62 and the slaked lime tank 63; a third and fourth supply pumps 73, 74 for supplying the slaked lime and activated carbon stored in the activated carbon tank 62 and the slaked lime tank 63; and a fifth and sixth liquid level sensors 75, 76 for detecting the height of the liquid level of the activated carbon tank 62 and the slaked lime tank 63. The supply side of the third and fourth supply pumps 73, 74 is connected to braided hoses 77, 78 (see FIG. 1 ) for supplying activated carbon and slaked lime to the inside of the reaction tank 31. Figure 7 ).

[0070] When the fifth and sixth liquid level sensors 75 and 76 detect a drop in the liquid level of the activated carbon tank 62 and the slaked lime tank 63 , an alarm is issued to notify the operator of the drop, and the activated carbon and slaked lime, and then the dilution water, are supplied to the activated carbon tank 62 and the slaked lime tank 63 .

[0071] In addition, inside the container body 2, as shown in FIG. Figure 1 and Figure 2 As shown, in the second treatment area 36 which is the area on the other side along its width direction, at a position opposite to the reaction tank 31, the neutralization tank 32 and the reserve tank 33 across the passage 34, a filter 80 which is an example of a first filtering mechanism for filtering the entire amount of treated water stored in the reserve tank 33 is arranged.

[0072] like Figure 1 As shown, the filter 80 is constructed in a state where a filter member 81 made of a special material is held by a fixed plate 82 and a movable plate 83, and the interior of the filter member 81 is divided into a plurality of filter chambers (for example, 25 chambers) and is filled with treated water. In addition, the movable plate 83 can be moved to a cleaning position separated from the filtering position by a moving mechanism 84. By the way, Figure 1 The filter member 81 is shown in a filtering position. The left end of the filter member 81 is not fixed to the fixed plate 82, and the other end (right end) is connected to the movable plate 83 and is configured to be movable in the horizontal direction.

[0073] like Figure 2 As shown, the treated water contained in the reserve tank 33 is introduced into the filter chamber of the filter element 81 from the supply pipe 85 connected to the upper end of the fixed plate 82 via the supply pipe 86 by the first supply pump 57. In this state, the filter element 81 is in a filtering state. There is also a type with a backwash function for filtering. In this case, a reflux pipe 59 (see FIG. 1 ) is connected to the supply pipe 85 to reflux the backwash rinsing water to the reserve tank 33. Figure 7 ).

[0074] In the filter 80, the treated water is continuously introduced into the interior of the filter element 81, and the treated water is fully filtered by the filter chamber in the filter element 81. Figure 1 and Figure 2 As shown, the treated water filtered by the filter element 81 passes through the inside of the filter element 81 and is discharged from two waste water pipes 87 and 88 provided below one end portion into the drain tank 90 .

[0075] like Figure 2 and Figure 4As shown in FIG. 1 , a receiving plate 91 is arranged in an inclined state below the filter member 81 to receive the drain water leaking from the filter member 81. The drain water falling on the receiving plate 91 is recovered to the drain water tank 93 via a water guide 92 provided at the lower end of the receiving plate 91. A fourth supply pump 94 is accommodated inside the drain water tank 93 to supply the recovered drain water to the rinse water storage tank 200. In addition, in the drain water tank 93, as shown in FIG. Figure 4 As shown in FIG. 1 , a liquid level sensor 94a is provided to detect the liquid level of the recovered drainage water. When the liquid level sensor 94a detects that the liquid level of the drainage water in the drainage water tank 93 reaches a predetermined height, the drainage water stored in the drainage water tank 93 is supplied from the fourth supply pump 94 via the return pipe 95 (see FIG. 1 ). Figure 7 ) returns to the rinse water storage tank 200.

[0076] The sludge as the solid component in the treated water filtered by the filter member 81 of the filter 80 is discharged to the sludge pan 96 located below by moving the filter member 81 in the horizontal direction to the opening direction at a predetermined time point when the filtering operation is not being performed, thereby opening the discharge port (not shown) of the filter member 81. In addition, as described above, a series of filtering processes performed by the filter 80 are performed according to the height of the liquid level of the reserve tank 33.

[0077] The sludge pan 96 is configured to be able to be opened from the opening 25 (see FIG. 2 ) provided on the right side of the container body 2 by a guide mechanism (not shown). Figure 6 The sludge pan 96 is pulled out from the opening 25 of the container body 2 to the outside, and the sludge contained in the sludge pan 96 can be easily recovered by a work vehicle such as a forklift.

[0078] In addition, as the filter 80, the case where the filter member 81 is arranged in the horizontal direction is described. However, it is not limited to this, and the filter member 81 may be arranged in the vertical direction. However, considering the operability when the sludge is discharged from the filter member 81 after the filtration is completed, it is desirable to arrange the filter member 81 in the horizontal direction.

[0079] Inside the container body 2, as shown in FIG. Figure 1 and Figure 2 As shown, in the second treatment area 36, ​​at a position adjacent to the filter 80, there are arranged adjacent to each other: a drain tank 90 for receiving the treated water (treated wastewater) filtered by the filter 80 in order to discharge the treated water to the outside, a PAC tank 97 containing PAC (polyaluminum chloride) as an example of a fourth chemical tank, and a backwash tank 98 for storing clean water for cleaning the filter 80, etc.

[0080] The sulfuric acid tank 61, the activated carbon tank 62, and the PAC tank 97 are tanks for supplying the contained reagents to the reaction tank 31, and are arranged at positions closer to the reaction tank 31 than other slaked lime tanks 63 and the like. Therefore, the length of the pipes for supplying the reagents from the sulfuric acid tank 61, the activated carbon tank 62, and the PAC tank 97 to the reaction tank 31 can be relatively short.

[0081] In the container body 2, as Figure 1 and Figure 3 As shown, a fourth support frame 100 having a rectangular plane and arranged in the horizontal direction is installed over the drain tank 90, the PAC tank 97, and the backwash tank 98. The legs 69 of the fourth support frame 100 are placed on the bottom surface 4.

[0082] The fourth support frame 100 is provided with a seventh liquid level sensor 101 for detecting the height of 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 the pH value and recording the detected pH value, and a discharge pipe 104 for discharging the treated water to the outside by the drain pump 102. The drain pump 102 has a function of automatically switching between driving and stopping according to the height of the liquid level in the drain tank 90, and maintains the height of the liquid level in the drain tank 90 within a predetermined range. In addition, the seventh liquid level sensor 101 detects an abnormal rise in the height of the liquid level in the drain tank 90 and issues an alarm.

[0083] like Figure 7 As shown, the pipe 104 for drainage is branched via a valve 105, and is connected to a pipe 106 for returning the treated water to the rinsing water storage tank 200. Furthermore, when the pH of the treated water detected by the pH sensor 103 deviates from a predetermined reference value, the valve 107 provided in the pipe 104 for drainage is closed, and the treated water can be returned to the rinsing water storage tank 200 via the return pipe 106.

[0084] The discharge pipe 104 is further branched upstream of the return pipe 106 via a check valve 108 and a valve 109 , and is connected to a return pipe 111 equipped with a valve 110 for returning the treated water in the drain tank 90 to the drain tank 90 .

[0085] In addition, the fourth support frame 100 is provided with a fifth supply pump 112 for supplying the PAC in the PAC tank 97 to the reaction tank 31, and a liquid level sensor 113 for detecting the liquid level of the PAC contained in the PAC tank 97. A supply pipe 114 (see FIG. 1 ) for supplying the PAC to the interior of the reaction tank 31 is connected to the supply side of the fifth supply pump 112. Figure 7 ).

[0086] Then, in the backwash tank 98, as Figure 7 As shown in FIG. 1 , a supply pump 115 is provided to supply the cleaning water contained in the backwash water tank 98 to the filter 80, and a supply plug 116 is provided to supply a certain amount of cleaning water from the water supply pipe 402 to the inside of the backwash water tank 98 for storage. The supply pump 115 is connected to a supply pipe 117 (see FIG. 1 ) at a predetermined time. Figure 7 ) A pipe 117 for supplying cleaning water to the filter 80.

[0087] Furthermore, inside the container body 2 , a control panel 120 is provided at a corner adjacent to the backwash tank 98 . The control panel 120 is erected on a stand 121 and controls the operation of the wastewater treatment device 1 and the electric system.

[0088] The control panel 120 has a control function of supplying power to each component of the power system constituting the wastewater treatment device 1 and receiving detection signals from various sensors to control the operation of the wastewater treatment device 1 according to a program not shown in the figure.

[0089] The control operation panel 120 has a function of notifying an alarm to a monitoring room provided outside the container body 2 when the detection signals from the various sensors deviate from a predetermined reference value, and outputs the detection signals from the various sensors.

[0090] Figure 7 1 is a system structure diagram showing the piping system and power system of the wastewater treatment device 1 configured as described above. In addition, inside the container body 2 of the wastewater treatment device 1, at its top plate, etc., there are provided a compressed air piping 401 for supplying compressed air from an external compressor not shown in the figure, etc., and a water supply piping 402 for supplying water used as dilution water or washing water from an external faucet or pump not shown in the figure. On-off valves 403 are respectively installed at the front ends of the branches of the water supply piping 402.

[0091] exist Figure 7 In the figure, reference numeral 200 indicates a rinse water storage tank which is arranged outside the container body 2 and stores waste water to be treated (hereinafter also referred to as "rinse water"). Waste water to be treated from an adjacent factory (not shown in the figure) is, for example, 1 m 3 / hr flows from the inlet 201 and is stored in the rinse water storage tank 200. There is no particular limitation on the type of wastewater, and various types of wastewater can be listed: when metal products that have undergone mechanical processing or assembly processes are painted, degreasing rinsing water or chemical rinsing water that has been degreased or chemically treated with acid or alkali or the like before painting; wastewater after roller grinding in which a grinding stone or abrasive and water are mixed and stirred with a product to be ground in a tank-type device; or wastewater after aluminum anodizing treatment (aluminum anodizing treatment); further, wastewater after plating treatment such as hot-dip galvanizing; wastewater after degreasing treatment and pickling treatment using sulfuric acid or hydrochloric acid or the like in semiconductor manufacturing equipment, etc. In addition, domestic wastewater and the like are not excluded as types of wastewater.

[0092] The rinsing water storage tank 200 is not limited to a storage tank disposed outside the container body 2, and as shown in Fig. 10, it may be a storage tank disposed on the upper portion of the container body 2 inside a container structure 500 that is the same as the container body 2. In this case, the container body 2 and the rinsing water storage tank 200 can be disposed in a narrow installation area.

[0093] The container structure 500a is similar to the container body 2 and is suitable for ISO container standards. The container structure 500a has a size of 20 feet, and its outer dimensions are set to be equal to those of the container body 2. The container structure 500 is equipped with a bottom surface, a top surface, and four pillars 6 to 9 connecting the bottom surface and the top surface, and the side surfaces of the front, back, left and right are all open. The container structure 500 is applied with a leakage prevention wall 29 in the same manner as the container body 2 over the entire range of a specified height (about 700 mm) including the bottom surface 4. In the example shown in the figure, three rinse water storage tanks 200 are provided on the bottom surface 4 of the container structure 500a.

[0094] On the back side of the container structure 500a, a step ST is provided for an operator to go up and down the container structure 500.

[0095] In a factory where the wastewater treatment device 1 according to the first embodiment is installed, usually one type of wastewater is stored in the rinsing water storage tank 200. However, the present invention is not limited thereto, and two or three different types of wastewater may be stored in the rinsing water storage tank 200 with a time difference or a date difference according to the treatment process of the factory. In this case, the wastewater stored in the rinsing water storage tank 200 may be stored in a plurality of rinsing water storage tanks 200, 200, etc. that are different from each other according to their chemical characteristics. Here, one type of wastewater is stored in the rinsing water storage tank 200.

[0096] like Figure 8As shown, the rinsing water storage tank 200 is equipped with a plurality of liquid level sensors 202 to 204 for detecting the liquid level (high, medium, and low) of the waste water stored in the rinsing water storage tank 200, or a liquid level meter 205 for visually observing the height of the liquid level from the outside. In addition, a supply pump 206 is provided inside the rinsing water storage tank 200 for supplying the waste water stored in the rinsing water storage tank 200 to the reaction tank 31 in the container body 2 via the supply pipe 51. In addition, a part of the waste water supplied by the supply pump 206 can be refluxed via a branch pipe 209 having a valve 208.

[0097] The rinse water storage tank 200 is provided with introduction ports 212 and 213 for respectively introducing the drain water in the drain tank 93 and the treated water in the drain tank 90 from the inside of the container body 2 via the introduction pipes 95 and 106 .

[0098] In addition, Figure 8 In the figure, reference numeral 214 denotes an exhaust pipe for exhausting the air in the rinsing water tank 200 to the outside, reference numeral 215 denotes a ladder, and reference numeral 216 denotes a liquid leakage prevention wall disposed on the bottom surface and surroundings of the location where the rinsing water tank 200 is provided.

[0099] On the other hand, Figure 7 As shown, the reagents of the sulfuric acid tank 61, the activated carbon tank 62, the slaked lime tank 63, the PAC tank 97, etc. can be fed into the reaction tank 31 disposed inside the container body 2 from the sulfuric acid tank 61, the activated carbon tank 62, the slaked lime tank 63, the PAC tank 97, etc. via braided hoses or pipes 66, 77, 78, 114, respectively. In addition, the reaction tank 31 is provided with a first pH sensor 49 for detecting the pH of the treated water contained in the reaction tank 31.

[0100] In addition, slaked lime can be introduced from the slaked lime tank 63 into the neutralization tank 32 via the braided hose 78. In addition, in the neutralization tank 32, a second pH sensor 50 for detecting the acidity or alkalinity of the treated water contained in the neutralization tank 32 is disposed.

[0101] Furthermore, the reserve tank 33 is provided with liquid level sensors 53 and 54 for detecting the height of the liquid level and a pump 57 for supplying the treated water stored in the reserve tank 33 to the filter 80 .

[0102] The sulfuric acid tank 61 is provided with a liquid level sensor 64 for detecting the height of the liquid level and a pump 65 for supplying the sulfuric acid stored in the sulfuric acid tank 61 to the reaction tank 31 .

[0103] The activated carbon tank 62 is provided with a liquid level sensor 75 for detecting the height of the liquid level and a pump 73 for supplying the activated carbon stored in the activated carbon tank 62 to the reaction tank 31 .

[0104] The slaked lime tank 63 is provided 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 .

[0105] In addition, if Figure 7 As shown in FIG. 10 , a ventilation fan 130 is disposed on the upper portion of the container body 2 to ventilate the container body 2. In addition, as shown in FIG. 10 , an opening portion capable of opening and closing a window 131 or the like may be appropriately provided on the side of the container body 2. When the wastewater treatment device 1 equipped with the container body 2 or the like is installed in a cold region or the like, it is considered that the treated water may freeze with the decrease in the outside temperature or the like. However, by forming a closed space in the container body 2 and providing a heating device or the like as needed, the freezing of the treated water or the like can be dealt with.

[0106] <Operation of wastewater treatment device> The wastewater treatment device constructed as described above can handle various wastewaters such as pre-painting treatment wastewater, drum treatment wastewater, aluminum oxidation treatment wastewater, plating treatment wastewater, degreasing treatment wastewater in semiconductor manufacturing equipment, etc., as described below, and can be installed and operated at a desired location in a shorter time and at a lower cost than in the past.

[0107] That is, according to the wastewater treatment device 1 of this embodiment 1, before being installed in a site such as a factory not shown in the figure, the types and number of treatment tanks to be arranged inside the container body 2, or the types and number of chemical tanks containing chemicals, etc. are determined in advance based on the treatment content of the wastewater corresponding to the chemical properties of the wastewater to be treated discharged from the factory, the treatment volume per unit time, etc.

[0108] Furthermore, according to the wastewater treatment device 1 of this embodiment 1, Figures 1 to 5 As shown, the wastewater treatment device 1 is assembled in a factory that manufactures the wastewater treatment device 1 based on the container body 2 of the ISO standard.

[0109] like Figure 2 As shown in FIG. 1 , in the container body 2, a steel plate 28 is laid over the entire surface of the bottom 4, and a liquid leakage prevention wall 29 is formed along the outer periphery of the steel plate 28 to implement liquid leakage prevention processing. Figure 6 As shown, the opening and closing doors 23, 24 or the opening 25 and the shutter 26 for opening and closing the opening 25 are assembled, and inside, a step 37 or a workbench 38 constituting the passage 34 is provided. Furthermore, the first to fourth stands 44, 53, 68, 100, etc. are installed in the first and second areas 35, 36 in the container body 2.

[0110] In addition, if Figures 1 to 3 As shown, inside the container body 2, according to the chemical properties of the wastewater to be treated, the tanks constituting the treatment tanks and reagent tanks such as the reaction tank 31, the neutralization tank 32, the reserve tank 33, the sulfuric acid tank 61, the activated carbon tank 62, the slaked lime tank 63, the drain tank 90, the PAC tank 97, and the backwash water tank 98 are moved in, installed and fixed at the specified positions.

[0111] Predetermined reagents can also be contained in reagent tanks such as the sulfuric acid tank 61, the activated carbon tank 62, the slaked lime tank 63, and the PAC tank 97. However, considering liquid leakage caused by the swinging of the container body 2 during transportation, it is desired to contain the specified reagents in the reagent tank after installation.

[0112] In addition, in the treatment tanks and reagent tanks such as the reaction tank 31, the neutralization tank 32, the storage tank 33, the sulfuric acid tank 61, the drain tank 90, the PAC tank 97, and the backwash tank 98, Figure 7 Install the specified sensors, supply pumps, etc. as shown.

[0113] In addition, if Figure 1 and Figure 2 As shown, a filter 80 is introduced and installed in the container body 2 through the opening 25 .

[0114] In this way, the assembly (manufacturing) process of the wastewater treatment device 1 is not performed at the site where the wastewater treatment device 1 is installed, but is completed in advance at the manufacturing factory of the wastewater treatment device 1 .

[0115] Afterwards, if 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), lifted by a crane, etc., and installed on a predetermined installation surface B.

[0116] Furthermore, in the container body 2, as Figure 7 As shown, after setting up, connect the power system or signal system, and connect the water supply system.

[0117] As shown in Fig. 10 , a rinsing water storage tank 200 formed as a container structure 500a is disposed on the upper portion of the container body 2. In Fig. 10 , reference numeral S denotes a step.

[0118] In addition, in addition to being arranged at the upper part of the container body 2, as shown in Fig. 10, a rinsing water storage tank 200 for storing the treated water to be treated is also arranged at a location adjacent to the container body 2. When the amount of waste water to be treated is small, the waste water to be treated may be directly introduced into the reaction tank 31 without passing through the rinsing water storage tank 200.

[0119] As the wastewater introduced from the rinsing water storage tank into the reaction tank 31, for example, wastewater mixed with particles such as iron powder after drum treatment can be cited. In addition, as the wastewater introduced from the rinsing water storage tank 200 into the reaction tank 31, wastewater subjected to pickling treatment using sulfuric acid or the like before coating treatment of the steel plate can be cited. This wastewater is very acidic and is water containing iron ions and sulfuric acid. In addition, as the wastewater introduced from the rinsing water storage tank 200 into the reaction tank 31, water dissolved with aluminum after aluminum oxidation treatment, or water dissolved with heavy metals such as copper, zinc, and nickel after plating treatment can be cited.

[0120] Here, as the waste water introduced from the rinsing water storage tank 200 into the reaction tank 31, waste water mixed with fine particles such as iron powder after drum treatment will be described as an example.

[0121] like Figure 3 As shown, sulfuric acid of a predetermined concentration is supplied in an appropriate amount from the sulfuric acid tank 61 to the reaction tank 31 into which waste water is introduced from the rinsing water storage tank 200, so that undissolved metal powder such as iron powder is dissolved.

[0122] Afterwards or simultaneously, Figure 7 As shown, activated carbon is supplied from the activated carbon tank 62 to the reaction tank 31, and PAC is supplied from the PAC tank 97 to the reaction tank 31, and the reaction treatment is carried out by stirring for a predetermined time (about 30 minutes) using the first stirrer 47.

[0123] The wastewater contained in the reaction tank 31 is as follows: Figure 3 and Figure 8 As shown, when a predetermined time has passed in the reaction tank 31, the water 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 to be neutralized. It goes without saying that the neutralization treatment is a treatment to completely neutralize the treated water supplied to the neutralization tank 32, but it is sufficient as long as the treated water is nearly neutralized to such an extent that the acidity of the treated water supplied to the neutralization tank 32 is reduced and there is no problem in treating it as normal wastewater.

[0124] The treated water contained in the neutralization tank 32 is stirred by the second stirrer 48, and the pH is detected by the pH sensor 50. Slaked lime is appropriately supplied from the slaked lime tank 63 to neutralize the water so that the pH is within a predetermined range.

[0125] Next, the treated water that has been subjected to the neutralization treatment in the neutralization tank 32 moves to the reserve tank 33 through the second communication pipe 43 after a predetermined time has passed in the neutralization tank 32 .

[0126] In the reserve tank 33, the iron ions neutralized by the alkali neutralization method in the neutralization tank 32 are converted into iron hydroxide and separated from water, mixed with activated carbon and PAC, and adsorbed to be solidified. The treated water after the iron hydroxide and the like are separated from water and solidified in the reserve tank 33 is supplied to the filter 80 by the third supply pump 57.

[0127] In the filter 80, the solidified components are separated and removed by the filter element 81, and the filtered treated water is collected in the drain tank 90 and discharged as normal wastewater to the public collection tank 600 etc. by the pump 102 arranged in the drain tank 90, and the wastewater treatment process is completed.

[0128] Furthermore, after the filter 80 has been operated for a certain period of time, the sludge as the solidified component accumulated in the filter element 81 is removed during a time other than the filtering operation.

[0129] In this way, according to the wastewater treatment device 1 of this embodiment 1, there is provided a container body 2 which is suitable for ISO specifications, and inside the container body 2 there are arranged a reaction tank 31, a neutralization tank 32, a reserve tank 33 or a sulfuric acid tank 61, an activated carbon tank 62, a slaked lime tank 63, a PAC tank 97 and other reagent tanks, etc. After the prescribed neutralization and condensation treatment is carried out, filtration is performed using a filter 80.

[0130] Therefore, according to the wastewater treatment device 1 of this embodiment 1, there is no need to first construct a leakage prevention wall at the site where the wastewater treatment equipment is set up, as in the past wastewater treatment equipment (factory), and then set up treatment tanks such as the reaction tank 31 and the neutralization tank 32, or a reagent tank, etc. on this basis. It can be set up and operated in a construction period that is greatly shortened compared to the past.

[0131] In addition, according to the wastewater treatment device 1 of this embodiment 1, a standard unit agent is used as a agent, or a reduction treatment unit or an oxidation treatment unit agent is used together with the standard unit agent, thereby being able to cope with various wastewaters such as treated wastewater before painting, wastewater after drum treatment, or wastewater after aluminum oxidation treatment, wastewater after plating treatment, and wastewater after degreasing treatment in semiconductor manufacturing equipment.

[0132] However, the water purification apparatus according to the present first embodiment is based on the structure of the wastewater treatment apparatus 1 configured as described above.

[0133] Figures 11 to 14 is a diagram showing the overall structure of a water purifier according to Embodiment 1 of the present invention. Fig.11 This is a plan view showing the structure of a water purification device. Fig.12 This is a front view of the water purification device. Fig.13 This is a diagram showing the back structure of the water purification device. Fig.141 is a plan view showing the structure of a water purification device. In addition, the same reference numerals are given to the same structures as those of the wastewater treatment device 1 for description.

[0134] Water purification device 500, such as Fig.11 As shown, a container body 2 conforming to the ISO standard is provided. The container body 2 conforms to the 20-foot standard, for example. The outer dimensions of the container body 2 are set to 6058 mm in length, 2438 mm in width, and 2591 mm in height.

[0135] like Fig.12 and Fig.14 As shown, the container body 2 is provided with a power supply mechanism composed of at least one of a solar panel or a wind turbine generator on the upper part of its top surface 3 for supplying power to the water purification device 500. According to the water purification device 500 of the present embodiment 1, as described above, since it can be operated by means of a pump for moving raw water or treated water as an example of wastewater to be treated, and a motor for driving a stirrer for stirring the reaction tank 31 or the neutralization tank 32, etc., it is not necessary to use a high-pressure pump, etc. like a water purification device using an RO membrane, and only a general-purpose low-power consumption pump is used. Therefore, it is possible to use a 0.5 kWh / m 3 The water purification capacity of about 10 ...

[0136] In the embodiment 1 shown in the figure, nine solar panels 501, 501... and two wind turbines 502, 502 are arranged 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 of 1000 mm in length and 1750 mm in width. The back of the solar panels 501, 501... is supported by a support 501a, and is arranged at an inclination angle of 30 degrees, which is the optimal angle, toward the south, for example. The solar panels 501, 501... are fixedly arranged on the upper part of the top surface 3 of the container body 2. Therefore, the front and rear side walls 5, 6 of the container body 2 are arranged in the east-west direction, and as a result, the solar panels 501, 501... are arranged in an orientation facing the south. The solar panels 501, 501... have a power generation capacity of about 100 to 300 W per square meter, for example, under good conditions. The power generation capacity of the wind turbine 502 depends on the wind strength, and for example, it generates about 200 to 400 W per hour. The power generated by the solar panels 501, 501, etc. or the wind turbines 502, 502 is stored in a storage device (not shown) disposed inside the container body 2, and is used for driving and controlling the required equipment via a converter (not shown) as needed.

[0137] For raw water to be made potable in the water purification device 500, Fig.15 As shown, water is taken from the water intake port 503, and a cyclone type centrifugal separator 504, which is an example of a foreign matter removal mechanism, is used to separate liquid from solid, and foreign matters such as solid matter are removed. Although the cyclone type centrifugal separator 504 can be arranged inside the container body 2, it is arranged outside the container body 2 in the embodiment shown in the figure. The foreign matters such as solid matter removed by the cyclone type centrifugal separator 504 are either directly discharged from the water intake port 503 or received in a receiving area provided outside the container body 2. As raw water, for example, water from a river or lake, sea water, or rainwater stored on the ground is used, but it is not limited to this, and groundwater or domestic wastewater may also be used.

[0138] The raw water from which foreign matter has been removed by the centrifugal separator 504 is supplied to the reaction tank 31 by the pump 505 .

[0139] Furthermore, the raw water supplied to the reaction tank 31 is treated by reacting with various chemicals in the reaction tank 31 as described above, and then sent to the neutralization tank 32 to be neutralized. The treated water that has been neutralized in the neutralization tank 32 is stored in the reserve tank 33. The treatment time in each of the reaction tank 31, the neutralization tank 32, and the reserve tank 33 is about 15 minutes. The treated water stored in the reserve tank 33 is sent to the first filter 80 by the pump 57, and is subjected to a filtering treatment to separate the sludge solidified by the chemicals. The first filter 80 is equipped with a plurality of filter chambers, and can perform continuous operation to continuously filter the treated water.

[0140] In the first embodiment, the reaction tank 31 and the neutralization tank 32 are tanks with a capacity of 500 L, and the storage tank 33 is a tank with a capacity of 200 L. In addition, the activated carbon tank 62 and the slaked lime tank 63 for storing the reagents supplied to the reaction tank 31 are tanks with a capacity of 500 L, and the sulfuric acid tank 61 is a tank with a capacity of 200 L. Fig.11 In the figure, reference symbol T denotes a fixing member for fixing the lower end portions of the reaction tank 31, the neutralization tank 32, and the like.

[0141] The treated water filtered by the first filter 80 is temporarily stored in the drain tank 90. ​​After that, the treated water stored in the drain tank 90 is sent to the sand filter tank 506 as an example of the second filtering mechanism by the pump 99 and sand filtered. The sand filter tank 506 contains filter materials such as filter sand, gravel, and active substances in the cylindrical filter tank body. The sand filter tank 506 has a filter material of 3 m per hour. 3 processing capabilities.

[0142] The treated water that has been treated by the sand filter tank 506 is mixed with the disinfectant 509 contained in the disinfectant tank 508 by means of a pipeline mixer 507 as an example of a mixing mechanism, and is sent to the water storage tank 511 for storage as drinking water. The disinfectant 509 in the disinfectant tank 508 is supplied to the pipeline mixer 507 by a pump 510. As an example of the disinfectant 509, for example, sodium hypochlorite for drinking water containing chlorine at a required concentration is used. Sodium hypochlorite sterilizes and disinfects microorganisms and the like in the treated water that has been treated by the sand filter tank 506 by means of the strong oxidizing effect of chlorine.

[0143] In this way, in the water purification device 500 configured as above, after extracting raw water used as drinking water and removing foreign matter composed of solids, the water is purified by removing acid or alkali or dissolved metals through the same process as the wastewater treatment device 1. Thereafter, the treated water subjected to the water purification treatment is subjected to sand filtration by means of the sand filter tank 506 to be made into drinking water, and is disinfected by a disinfectant such as sodium hypochlorite for drinking water, and is stored in the water storage tank 511 as safe drinking water for drinking.

[0144] According to the water purification device 500 of the first embodiment, since the reaction with the reagent is carried out in the reaction tank 31, the solid-liquid separation after condensation is carried out by the first filter 80. Therefore, the first filter 80 is small, can save space and operate continuously, and the amount of raw water used and the amount of purified water produced are basically the same.

[0145] In addition, according to the water purification device 500 of the first embodiment, raw water or treated water can be moved using only a general-purpose low-power pump, and the power consumption is 0.5 kWh / m 3 With the help of power supply mechanism using natural energy such as solar panels, the water production capacity per day exceeds 5m 3 .

[0146] Furthermore, according to the water purification device 500 of the first embodiment, the reaction time in each of the reaction tank 31, the neutralization tank 32, and the reserve tank 33 can be completed in about 15 minutes, and including the filtration time, it can be started within 1 hour.

[0147] In addition, according to the water purifier 500 of this embodiment 1, it can be composed of a pump and an agitator with low power consumption, and the inverter, circuit breaker or power cord, etc. can be selected to be a universal small-sized device, which can all be accommodated inside the control panel, so that the overall cost of the water purifier becomes relatively low.

[0148] Furthermore, according to the water purifier 500 of the present embodiment 1, when drawing raw water, since it is equipped with a foreign matter removal mechanism composed of a cyclonic centrifugal separator, etc., the load of water treatment in the subsequent stage can be reduced. Afterwards, since the sludge is concentrated and dehydrated in the first filter 80 in the water purifier 1, the sludge will also become a solid component with a water content of about 70% that can be incinerated without the need for additional equipment. Therefore, the waste cost and waste storage cost become cheap, and the device can be made low-cost.

[0149] In addition, for Fig.11 In the water purification device 500 according to the first embodiment, the case where a relatively large tank is used as the reaction tank 31, the neutralization tank 32, or the activated carbon tank 62, or the slaked lime tank 63 is described, but the invention is not limited thereto. Fig.19 and Fig. 20 As shown, a relatively small tank with a capacity of about 300 L may also be used. In this case, for example, the drain tank 90 is disposed between the first filter 80 and the control operation panel 120 .

[0150] [Implementation Method 2] Figure 20 to Figure 26 1 is a diagram showing a configuration of a water purifier according to a second embodiment of the present invention, and the same components as those of the water purifier according to the first embodiment are denoted by the same reference numerals and described below.

[0151] According to the water purifier 1 of Embodiment 2 of the present invention, the amount of raw water to be treated is set smaller than that of Embodiment 1. Accordingly, the capacity and arrangement of each treatment tank or chemical tank are reduced in size, unlike that of Embodiment 1.

[0152] That is, according to the water purification device 500 of the second embodiment, Figure 20 to Figure 25 As shown, a 12-foot container body conforming to the JIS standard is used as the container body 2. The outer dimensions of the container body 2 are set to 3658 mm in length, 2438 mm in width, and 2591 mm in height.

[0153] Four solar panels 501, 501, ... and two wind turbines 502, 502 are provided on the upper portion of the top surface 3 of the container body 2. The solar panels 501, 501, ... are rectangular solar panels with a length of 1000 mm and a width of 1750 mm, as in Embodiment 1. Two wind turbines 502, 502 are provided, as in Embodiment 1.

[0154] Inside the container body 2, facing the left side 7, the reaction tank 31, the neutralization tank, the reserve tank, and the drain tank are arranged in order from the end of the front side 5. As the reaction tank 31, the neutralization tank 32, and the reserve tank 33, a tank with a capacity of 200L is used, and as the drain tank, a tank with a capacity of 100L is used.

[0155] Furthermore, a filter 80 is provided inside the container body 2, facing the rear side surface 6, from the left side surface 7 to the right side surface. As the filter 80, a small filter having 10 filter chambers is used, which has fewer filter chambers than the first embodiment.

[0156] Inside the container body 2 facing the filter 80, a slaked lime tank 63, an activated carbon tank 62, and a sulfuric acid tank 61 are housed. A PAC tank 97 is disposed adjacent to the sulfuric acid tank 61. Tanks with a capacity of 200 L are used as the slaked lime tank 63, the activated carbon tank 62, and the sulfuric acid tank 61. In addition, a tank with a capacity of 100 L is used as the PAC tank 97.

[0157] In addition, according to the water purification device 500 of the second embodiment, a plurality of cartridge filter devices 520, 520, etc. are used as the second filtering means instead of the sand filter tank 506. As the cartridge filter devices 520, 520, etc., for example, a plurality of cartridge filter devices 520, 520, etc. are used, each having a filtering capacity of 0.48 m per unit time and arranged in parallel. 3 The cartridge filter devices 520, 520, etc. are smaller than the sand filter tank 506, but have a filtering capacity of 0.48 m / h per unit time. 3 / h, 3m 3 / h is small. Therefore, the filter cartridge type filter devices 520, 520···, such as Fig.26 As shown, they are connected in parallel to ensure the processing capacity per unit time.

[0158] The cartridge filter devices 520, 520... are periodically replaced with cartridge filters. However, since the cartridge filter devices 520, 520... are disposed downstream of the first filter 80, the treated water supplied to the cartridge filter devices 520, 520... contains only very fine residues that were not completely removed by the first filter 80.

[0159] Since other structures and functions are the same as those of the first embodiment described above, their invention is omitted.

[0160] [Implementation method 3] 27 and 28 are structural diagrams showing a water purifier according to a third embodiment of the present invention, and the same components as those of the water purifier according to the first embodiment are denoted by the same reference numerals and described below.

[0161] According to the water purifier 1 of embodiment 3 of the present invention, instead of housing all components constituting the water purifier 500 inside a single container body 2, a plurality of container bodies 2 are constructed as modules according to their respective functions, and the water purifier 500 is constructed by combining the plurality of modules.

[0162] The water purification device 1 shown in FIG. 27( a) is equipped with a plurality of 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 connected to each other by a first piping module M4. In addition, the container body 22 of the neutralization tank module M2 and the container body 23 of the filter module M3 are connected to each other by a second piping module M5.

[0163] The container body 21 of the reaction tank module M1 contains, for example, a reaction tank 31, a sulfuric acid tank 61, and an activated carbon tank. In addition, the container body 22 of the neutralization tank module M2 contains a neutralization tank 32, a reserve tank 33, an activated carbon tank, and a drain tank 90. ​​The container body 23 of the filter module M3 contains a first filter 80, a sand filter tank 506, and a disinfectant tank 508.

[0164] As shown in FIG. 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 may be arranged adjacent to each other in the horizontal direction without any gap.

[0165] In such a configuration, as the reaction tank 31 or sulfuric acid tank 61, neutralization tank 32, reserve tank 33, activated carbon tank, drain tank 90, or first filter 80, sand filter tank 506, etc. contained in each container body 21 to 23 of the reaction tank module M1, neutralization tank module M2, and filter module M3, a tank with a large capacity can be used, and the processing capacity of the water purification treatment per unit time can be greatly increased. In addition, since the solar panels 501, 501... or wind turbines 502, 502 are respectively arranged on the top surface 3 of each container body 21 to 23, a large pump can be used as the pump used in each container body 21 to 23, etc., and from this aspect, the processing capacity can be increased.

[0166] The water purifier 1 shown in FIG. 28( 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 the vertical direction.

[0167] Furthermore, in the water purification device 1 shown in FIG. 28( 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 from the neutralization tank module M2 .

[0168] Therefore, in the case of these water purification devices 1, the processing capacity of the water purification process can be increased, and the installation area of ​​the container body 2 can be relatively reduced.

[0169] 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 processing capacity of the water purification treatment, reducing the installation area of ​​the container body 2, and seeking to save energy.

[0170] Since other structures and functions are the same as those in the first embodiment, their description is omitted.

[0171] [Implementation Method 4] Fig.29 and Fig.31 1 is a diagram showing a configuration of a water purifier according to a fourth embodiment of the present invention, and the same components as those of the water purifier according to the first embodiment described above are denoted by the same reference numerals and described below.

[0172] The water purifier 500 according to the fourth embodiment of the present invention does not generate purified water for drinking water or the like, but is mainly used to generate distilled water for medical use or the like.

[0173] This water purifier 500 includes a container body 2a for a distillation unit 700 in addition to the container body 2 for the water purifier. For example, a 12-foot container body conforming to JIS standards is used as the container body 2 for the water purifier and the container body 2a of the distillation unit 700.

[0174] On the top surface 3 of the container body 2a of the distillation unit 700, four solar panels 501, 501, and two wind turbines 502, 502 are respectively arranged, similar to the container body 2 for the water purification device. The power generated by the solar panels 501, 501, and the wind turbines 502, 502 of the container body 2a for the distillation unit is mainly used as a heating source or a pump for driving the distillation unit 700.

[0175] Inside the container body 2a of the distillation unit 700, as shown in FIG. Figure 33 to Figure 36As shown, as a plurality of distillation apparatus structural elements constituting the distillation apparatus, there are provided: a distillation kettle 701 into which clean water as a distillation object is put, a short distillation tower 702 for extracting components vaporized from the distillation kettle 701, a condenser section 703 as an example of a condenser for condensing the components vaporized from the distillation kettle 701 and passing through the distillation tower 702, a first receiver 704 for accommodating initial distillate condensed in the initial stage by the condenser section 703, a second receiver 705 for accommodating distilled water as a target for condensation by the condenser section 703, and a recovery container 706 for recovering vaporized products that are not completely condensed in the condenser section 703 when the front end of the condenser section 703 is sucked with negative pressure by a vacuum pump.

[0176] In the distillation unit 700, at least one of the distillation pot 701 and the first and second receivers 704 and 705 has an outer dimension (width or length) along the horizontal direction set to be larger than an outer dimension (height) along the vertical direction.

[0177] In addition, the condenser portion 703 is arranged inside the container body 2a along the horizontal direction.

[0178] Furthermore, the second receiver 705 is formed in the same shape as the distillation pot 701, and the first receiver 704 is formed in the same shape as the recovery container 706, so that the structural elements of the distillation apparatus are made common.

[0179] Distillation unit 700, such as Fig.33 As shown, the interior of the container body 2a is divided into a first area 707 located on the left side of the figure and arranged with a plurality of components of the distillation apparatus, and a second area 708 arranged with operating equipment for operating the distillation apparatus, with the center along the horizontal direction as the boundary, by a partition wall 709. Considering the temperature rise of the first area 707 of the container body 2a, it is desirable that the partition wall 709 is made of a material having heat insulation properties.

[0180] like Fig.34 As shown, the upper end portion 710 of the distillation kettle 701 is provided with: an inlet 711 for feeding the distillation object, a take-out port 712 connected to the distillation tower 702 for taking out the vaporized distillation object and sending it to the condenser section 12, a mounting hole 713 for mounting a liquid level sensor 713a for detecting the liquid level of the distillation object, an inlet 714a for introducing heating steam as an example of a heating medium for heating the distillation object contained in the distillation kettle 11, and a discharge port 714b for discharging the heating medium. Fig.34 and Fig.35 As shown in FIG. 1 , a spiral heating pipe 714c is housed inside the distillation kettle 11 for allowing a heating medium such as heating steam introduced from an inlet 714a to flow. Fig.34As shown, a thermometer 715 for measuring the temperature of the distillation object and an openable and closable discharge port 716 for discharging the distillation product remaining in the distillation pot 701 are provided at the bottom of the distillation pot 701 .

[0181] In addition, the heating means for heating the distillation kettle 701 is not limited to the heating steam supplied from the heating pipe 714c, and any heating means may be used as long as it is a means that can heat the distillation kettle 701. For example, as long as the distillation kettle 701 is made of a material that can be heated by electromagnetic induction, the distillation kettle 701 itself may be directly heated by electromagnetic induction, etc.

[0182] The second receiver 705 is formed in the same shape as the distillation pot 701. The second receiver 705 contains the target distillate and is made of a metal having excellent corrosion resistance such as titanium, nickel or stainless steel by press working, welding or the like.

[0183] At the upper end of the second receiver 705, as Fig.34 As shown, there are provided a supply port 717 for supplying the target distillate from the condenser section 703, a first installation port 718 for installing a liquid level gauge 718a for detecting the liquid level of the second receiver 705, a second installation port 719 for installing a pressure gauge for detecting the pressure in the second receiver 705, and a suction port 720 connected to a vacuum pump 747 via a recovery container 706. In addition, at the bottom of the second receiver 705, a take-out port 721 equipped with an on-off valve 721a is provided.

[0184] The distillation kettle 701 and the second receiver 705, such as Fig.34 and Fig.35 As shown, the first area 707 is fixed in a state of being supported by a support frame 723 having a rectangular shape in a plane, and the support frame 723 is arranged on a leg 722 standing on the ground of the first area 707.

[0185] On the other hand, at the upper end of the first receiver 704, as Fig.34 As shown, an opening 724 for receiving the initial distillate condensed by the condenser 703, a mounting portion 725 for mounting a liquid level sensor, etc. are provided. In addition, a discharge port 725b equipped with an on-off valve 725a that can be opened and closed for discharging and recovering the initial distillate is provided at the bottom of the first receiver 704.

[0186] like Fig.35 As shown, the first receiver 704 is supported and fixed to a support arm 727 , and the support arm 727 is arranged in a cantilever beam shape on a foot 726 standing on the ground of the first area 707 .

[0187] A short cylindrical distillation tower 702 having a relatively large outer diameter is connected to the outlet of the distillation pot 701 above the first region 707 in the container body 2a. The upper end of the distillation tower 702 is arranged vertically toward the top of the first region 707.

[0188] In the upper part of the first region 707 in the container body 2 a , the condenser section 703 is horizontally arranged from the upper end of the distillation column 702 across the first receiver 704 along the diagonal line of the first region 707 .

[0189] In addition, the condenser section 703 is directly connected to the distillation pot 701 via the short distillation tower 702, and the temperature inside the distillation pot 701 is controlled with high precision at a predetermined temperature stage. As a result, the water vapor just evaporated from the distillation pot 701 is rapidly cooled and liquefied, and is selectively recovered and stored by the first receiver 704 or the second receiver 705, etc., thereby being able to increase the distillation efficiency of the target distilled water as much as possible, which is determined by the amount of the target distilled water relative to the heating energy.

[0190] The condenser part 703 is formed as a cylindrical member having a relatively large outer diameter. Both ends 728 and 729 along the length direction of the condenser part 703 are blocked, and a plurality of thin connecting tubes 732 for allowing the gas as the distillation object vaporized from the heated distillation kettle 701 to flow are arranged in a condensation part 731 located between the blocked ends 728 and 729 so as to connect the both ends 728 and 729 along the length direction of the condenser part 703. A cooling medium such as cooling water for cooling the gas passing through the plurality of connecting tubes 732 is supplied to the condensation part 731 of the condenser part 703.

[0191] One end 728 of the condenser section 703 is connected to the upper end of the distillation tower 702 installed at the outlet of the distillation kettle 701. In addition, the other end 729 of the condenser section 703 is connected to the pipe 733 branching into the first receiver 704 and the second receiver 705. An electric three-way valve 734 is provided between the first receiver 704 and the second receiver 705. The three-way valve 734 can be in a fully closed state to branch the distillate from the other end of the condenser section 703. By switching the electric three-way valve 734, the distillate flowing out from the other end of the condenser section 703 can be selectively received in the first receiver 704 and the second receiver 705 through the pipes 735 and 736. In addition, at the other end 729 of the condenser section 703, an auxiliary discharge port (not shown in the figure) that can be opened and closed is provided. By closing the electric three-way valve 734, the auxiliary discharge port allows the distillate from the condenser section 703 to be experimentally taken out.

[0192] like Fig.34As shown, the upper end of the recovery container 706 is provided with: an air inlet 740 connected to the condenser section 703, the first receiver 704 and the second receiver 705 respectively; an opening 741 for installing 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. In addition, at the bottom of the recovery container 706, a discharge port 745 that can be opened and closed by an on-off valve 745a is provided to discharge and recover the initial distillate. Fig.36 In the figure, reference numeral 746 denotes a bucket for storing the drainage water recovered by the recovery container 706.

[0193] The recovery container 706 is arranged at a position close to the vacuum pump 747 arranged in the second area 708, and the suction pipe is shortened as much as possible to improve the suction efficiency.

[0194] like Fig.36 As shown, the recovery container 706 is supported and fixed to a support arm 749 , and the support arm 749 is arranged in a cantilever beam shape on a foot 748 standing on the ground of the first area 707 .

[0195] like Fig.33 and Fig.34 As shown, the second area 708 of the container body 2a contains: a heat medium circulation device 750 for circulating a heat medium such as heating steam supplied to the distillation kettle 701; a first cooling water circulation device 751 for circulating cooling water in the heat medium circulation device 750; a second cooling water circulation device 752 for circulating cooling water in the condenser part 703, etc.; and a vacuum pump 747, etc. In addition, a work space for an operator S who operates the distillation unit 700 is ensured in the second area 708 of the container body 2a.

[0196] In this way, Fig.32 As shown, the water purifier 500 according to the fourth embodiment is equipped with a distillation unit 700 , and pure distilled water can be produced by distilling treated water purified by the water purifier 500 using the distillation unit 700 .

[0197] In addition, if Fig.32 As shown, in the water purification device 500 according to the fourth embodiment, a chelating liquid is supplied and mixed instead of a disinfectant for drinking water to render metal ions inert and improve safety.

[0198] Since other structures and functions are the same as those of the first embodiment described above, their description is omitted.

[0199] Industrial Applicability A water purification device using a wastewater treatment device can be provided, which does not generate useless wastewater, can make the device smaller and less expensive, and can generate a sufficient amount of purified water by an electric power supply mechanism using natural energy such as solar panels or wind turbines. Description of Reference Numerals 1. Wastewater treatment plant 2···Container body 31···Treatment tank 32···Neutralization tank 33···Reserve tank 61···Sulfuric acid tank 62···Activated carbon tank 63···Slaked lime tank 200···Rinsing water storage tank 500···Water purification device

Claims

1. A water purification device using a wastewater treatment device, comprising: Abutments that can be transported; a foreign matter removing mechanism that removes foreign matter from raw water supplied from the outside; a plurality of treatment tanks, the plurality of treatment tanks being arranged on the base according to a water purification process of the raw water from which foreign matter has been removed by the foreign matter removal mechanism; a plurality of reagent tanks, wherein the plurality of reagent tanks contain reagents to be put into at least a part of the plurality of treatment tanks; A filtering mechanism, the filtering mechanism filtering the treated water treated by the plurality of treatment tanks; as well as a disinfection mechanism for disinfecting the treated water filtered by the filtering mechanism to form drinking water, On the base, all steps of water purification for converting the raw water into drinking water are completed except for at least the step of removing foreign matter from the raw water.

2. A water purification device using a wastewater treatment device, comprising: a single or multiple container bodies into which raw water to be treated is introduced from the outside; a foreign matter removing mechanism for removing foreign matter from the raw water introduced from the outside; a plurality of treatment tanks, the plurality of treatment tanks being arranged in a manner that the height of the liquid level is sequentially decreased inside the container body, and comprising at least: a first treatment tank into which the raw water to be treated is introduced, a second treatment tank into which the treated water treated in the first treatment tank is introduced, and a third treatment tank into which the treated water treated in the second treatment tank is introduced, first to fourth reagent tanks, wherein the first to fourth reagent tanks contain reagents to be respectively put into the first to third processing tanks; a first filtering mechanism, the first filtering mechanism filtering the treated water stored in the third treatment tank; a second filtering mechanism for filtering the treated water filtered by the first filtering mechanism to convert it into drinking water; and a disinfection mechanism, wherein the disinfection mechanism disinfects the treated water filtered by the second filtering mechanism to form drinking water, All the steps of water purification for converting the raw water into drinking water are completed inside the single or multiple container bodies, except at least the step of removing foreign matter from the raw water.

3. The water purification device utilizing the wastewater treatment device as described in claim 1 or 2 is equipped with a power supply mechanism, which supplies power to part or all of the equipment for moving the raw water and the treated water and further adding and stirring the reagent, including at least one of a solar panel or a wind turbine.

4. The water purification device using the wastewater treatment device according to claim 2, wherein the first treatment tank and the second treatment tank are configured so that the introduced wastewater or the treated water is retained in the first treatment tank and the second treatment tank for a predetermined time.

5. The water purification device using the wastewater treatment device according to claim 2, wherein a third treatment tank is directly arranged 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.

6. The water purification device utilizing a wastewater treatment device as described in claim 2, wherein a raw water tank for storing raw water to be treated is arranged inside or outside the container body, and a pump arranged in the raw water tank is used to move the raw water from the raw water tank to the first treatment tank.

7. The water purification device using a wastewater treatment device according to claim 2, wherein the first filter filters the treated water retained in the third treatment tank by injecting the treated water into a plurality of filter elements.

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