Water purifying device

Abstract

The utility model belongs to the technical field of rural drinking water treatment, and particularly discloses a water purifying device which comprises a tank body, a sludge discharge area, a water distribution area, a modular filler unit and a clear water area are sequentially arranged in the tank body from bottom to top, the sludge discharge area, the water distribution area, the modular filler unit and the clear water area are communicated with one another, and the bottom of the sludge discharge area is communicated with a sludge discharge pipe; and the modular filler unit is detachably connected with the tank body. The water distribution area is communicated with a water inlet pipe and an air pipe, one end of the air pipe extends into the water distribution area, the part, extending into the water distribution area, of the air pipe is communicated with an aeration pipe, aeration holes are formed in the aeration pipe, and the air pipe is communicated with a fan; valves are mounted on the sludge discharge pipe, the water inlet pipe and the water outlet pipe. The water treatment tank can be a circular tank body produced in a standardized manner, and internal fillers of different media can be selected according to different inlet and outlet water quality requirements, so that water of various water sources can be treated. The device does not need a water inlet pump and a backwashing pump, and can meet the washing requirement by only using one fan, so that the energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rural drinking water treatment, in particular to a water purification device. Background Art

[0002] At present, the commonly used processes for rural drinking water purification are coagulation sedimentation filtration process and membrane process. Due to the diversity of water sources, it is usually impossible to completely treat the above water sources by conventional processes alone because the water sources contain high turbidity, iron and manganese or micro-polluted organic matter, and pretreatment needs to be added before the conventional process. There are few small pretreatment devices currently used in remote areas, the form is not uniform, and the effect cannot be guaranteed. Therefore, when the water source cannot be changed, seasonal water output often fails to meet the standards. The pretreatment technology that is currently used more often usually uses a pressure filter tank to filter the water quality. The device consists of a tank body, a water pump and supporting pipelines. By configuring different media in the tank body, targeted treatment can be carried out, such as turbidity, iron and manganese, trace organic matter and other pollutants. The tank body can also be standardized and modularly customized. It can cope with complex water quality and water volume conditions through series and parallel combinations. The specific principle is: the raw water enters the filter tank after being pressurized. Different fillers can be set in the filter tank to cope with different water quality conditions. At the same time, an inlet pump and a backwash pump are set. After a period of time, the backwash pump is started by switching the valve, and the filtered water is used for backwashing.

[0003] The problems with this device are: 1) it is necessary to set up a water inlet pump and a backwash pump, which consumes a lot of energy; 2) the turbidity of the inlet water is required to be lower than a certain value, otherwise it is easy to clog the packing; 3) there are many electrical equipments and the maintenance workload for personnel is large. Utility Model Content

[0004] The utility model provides a water purification device, the purpose of which is to pre-treat various water sources in rural areas, such as water with high turbidity, containing iron, manganese or trace organic matter, so that the effluent meets the water inlet requirements of conventional processes or reaches the sanitary standards for drinking water (except for the residual chlorine index) according to the needs. At the same time, the above device does not require a water inlet pump and a backwash pump, and only needs to use a fan to meet the flushing requirements, with a small number of equipment, low maintenance difficulty, and low operating energy consumption.

[0005] The utility model is realized by the following technical scheme: a water purification device comprises a tank body, wherein the interior of the tank body is sequentially divided into a mud discharge area, a water distribution area, a modular filler unit and a clean water area from bottom to top, wherein the mud discharge area, the water distribution area, the modular filler unit and the clean water area are interconnected, and a mud discharge pipe is connected to the bottom of the mud discharge area;

[0006] The water distribution area is connected with a water inlet pipe and an air duct, one end of the air duct extends into the water distribution area, and the part of the air duct extending into the water distribution area is connected with an aeration pipe, the aeration pipe is provided with aeration holes, and the air duct is connected with a fan;

[0007] The clean water area is connected with a water outlet pipe, and valves are installed on the mud discharge pipe, the water inlet pipe and the water outlet pipe.

[0008] Compared with the prior art, the utility model has the following advantages and beneficial effects: in this solution, raw water is introduced into the water distribution area inside the tank through the water inlet pipe, and the raw water then flows from bottom to top and reaches the clean water area after the modular filler unit realizes the treatment function, and the treated water in the clean water area is discharged through the water outlet pipe. This solution can pre-treat various water sources in rural areas, such as high turbidity, iron and manganese or trace organic matter, and make the effluent meet the water inlet requirements of conventional processes or meet the sanitary standards for drinking water (except for the residual chlorine index) according to the needs.

[0009] In the above process, since the raw water of the tank flows from bottom to top, when the modular packing unit needs to be backwashed, the valve on the mud discharge pipe can be opened, and the tank can be emptied while the mud is discharged. The clean water in the clean water area flows downward and passes through the modular packing unit, and the filter material in the modular packing unit is backwashed. Before opening the valve on the mud discharge pipe and during the mud discharge process, the modular packing unit can be properly aerated through the air duct to strengthen the friction between the modular packing units in the modular packing unit and avoid blockage of the modular packing unit. In this solution, the water inlet pump and the backwash pump are eliminated, and the electrical equipment only needs one fan, and the energy consumption is extremely low. Therefore, it can be powered by self-contained power sources such as solar energy, which is suitable for remote rural areas.

[0010] The sludge discharge area at the bottom of the tank can collect the sludge settled during the treatment process. The sludge can be discharged through the valve on the sludge discharge pipe by manually opening the valve every 1 to 2 days.

[0011] Furthermore, one end of the water inlet pipe located in the tank body extends to the center of the water distribution area and bends downward to discharge water. The water outlet of the water inlet pipe is provided with a bell mouth, and a baffle is provided at the bell mouth. The baffle is located below the bell mouth. Pull rods are connected around the baffle, and the pull rods are connected to the bell mouth of the water inlet pipe.

[0012] Beneficial effects: In this solution, the outlet of the water inlet pipe is located in the center of the water distribution area, and the baffle plate arranged at the outlet of the water inlet pipe can rectify and change the direction of the water flowing out of the outlet of the water inlet pipe, thereby avoiding the impact of the water flow on the modular packing unit and the sludge in the sludge discharge area, so that the raw water in the water distribution area can slowly flow through the modular packing unit for treatment, which has a better effect and can extend the service life of the modular packing unit.

[0013] Furthermore, the baffle plate is in a cone shape, and the cone apex of the baffle plate faces the center of the bell mouth.

[0014] Beneficial effect: The baffle in this solution can change the direction of water flow, so that the water flows out in all directions, achieving the effect of rectifying the raw water.

[0015] Furthermore, the air duct and the water inlet pipe are both connected from the lower part of the tank body, and the water outlet pipe is connected from the upper part of the tank body.

[0016] Beneficial effects: This solution enables water to enter the tank from the bottom, and then be discharged from the top of the tank after being processed by the modular filler unit.

[0017] Furthermore, the portion of the air duct extending into the water distribution area is located above the water outlet of the water inlet pipe.

[0018] Beneficial effect: In this solution, the air duct is located above the water outlet of the water inlet pipe, so that the air distribution can be more uniform during the aeration process.

[0019] Furthermore, the modular filling unit is detachably connected to the tank body, and the filling is a modular device.

[0020] Beneficial effects: This solution can replace different modular packing units according to the main processing functions (precipitation, filtration, adsorption, etc.) that need to be realized in practice to meet different functional requirements. It is more flexible and convenient to use and has a wider range of applications.

[0021] Furthermore, a support frame is connected to the inner side of the tank body, and the modular filler unit includes a frame and a filler. The filler is located in the frame, and the frame is placed on the support frame. Water inside the tank body can enter the frame and be filtered through the filler.

[0022] Beneficial effects: In this solution, the frame is used to support and install the filler, and the support frame inside the tank body can support the frame, thereby achieving detachable cooperation between the entire modular filler unit and the tank body.

[0023] Furthermore, a hook is connected to the frame.

[0024] Beneficial effect: The hook on the frame in this solution makes it easy to take out the entire modular packing unit from the top of the tank for replacement.

[0025] Furthermore, the internal medium of the filler is any one of quartz sand, manganese sand, fiber filter cloth, activated carbon, ultrafiltration membrane or honeycomb inclined tube, which is selected according to the required function and influent water quality.

[0026] Beneficial effects: In this scheme, the internal medium of the modular filler unit can be installed with a variety of modular fillers to achieve different functions. For example, installing a honeycomb inclined tube can realize the sedimentation process, installing an ultrafiltration membrane can realize the ultrafiltration membrane filtration technology, installing manganese sand can realize iron and manganese removal, installing fiber filter material can realize fine filtration, and installing powdered activated carbon can realize the activated carbon adsorption function.

[0027] Furthermore, the mud discharge area is funnel-shaped.

[0028] Beneficial effect: The funnel-shaped structure of the mud discharge area in this embodiment can avoid mud accumulation, thereby facilitating the discharge of mud. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0030] Figure 1 It is a longitudinal cross-sectional view of an embodiment of a water purification device of the utility model;

[0031] Figure 2 for Figure 1 Partial cross-sectional view at A in the middle;

[0032] Figure 3 It is a top view of an air duct and an aeration pipe in an embodiment of a water purification device of the utility model.

[0033] Marks and corresponding parts names in the attached drawings:

[0034] Tank body 1, support frame 2, frame 3, modular filler 4, water inlet pipe 5, bell mouth 501, water outlet pipe 6, air duct 7, aeration pipe 701, aeration hole 702, round pipe 703, fan 8, mud discharge pipe 9, frame 10, hook 11, baffle 12, pull rod 13. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0036] like Figure 1-Figure 3 As shown, this embodiment 1 provides a water purification device, including a tank body 1, the top of the tank body 1 is an open end, and the inside of the tank body 1 is composed of a mud discharge area, a water distribution area, a modular filler unit and a clean water area from bottom to top, and the mud discharge area, the water distribution area, the modular filler unit and the clean water area are interconnected.

[0037] A sludge discharge pipe 9 is connected to the bottom of the sludge discharge area. In this embodiment, the sludge discharge area is funnel-shaped, which can avoid sludge accumulation as much as possible. The modular packing unit is used to treat raw water. In this embodiment, the modular packing unit includes a frame 3 and modular packing 4. The modular packing 4 is located inside the frame 3. The modular packing unit is integrally connected to the inner side wall of the tank body 1 through the frame 3. In this embodiment, the frame 3 can be detachably connected to the tank body 1 or connected and fixed by means such as screw connection and snap connection.

[0038] In this embodiment, a water inlet pipe 5 and an air pipe 7 are connected to the water distribution area. One end of the air pipe 7 extends into the water distribution area. As Figure 1 and Figure 3 shown, the part of the air pipe 7 extending into the water distribution area is connected to an air diffuser pipe 701. The air diffuser pipe 701 is provided with air holes 702. The air pipe 7 is connected to a blower 8. In this embodiment, there are three air diffuser pipes 701. The length of the middle air diffuser pipe 701 is greater than that of the other two air diffuser pipes. In this way, the air diffuser pipe 701 matches the cylindrical tank body 1 better, and the aeration is more uniform. In this embodiment, an annular circular pipe 703 is welded on the air pipe 7. A plurality of air holes are evenly arranged along the circumference of the circular pipe 703. The circular pipe 703 is connected to the air pipe 7, and the two ends of the three air diffuser pipes 701 are respectively welded to the circular pipe 703 and communicated with each other. In this way, the air pressure at each point in the pipeline can be relatively uniform.

[0039] A water outlet pipe 6 is connected to the clear water area. In this embodiment, both the air pipe 7 and the water inlet pipe 5 are connected from the lower part of the tank body 1, and the water outlet pipe 6 is connected from the upper part of the tank body. Valves are installed on the sludge discharge pipe 9, the water inlet pipe 5 and the water outlet pipe 6.

[0040] Combined with Figure 3 shown, in this embodiment, the part of the air pipe 7 located inside the tank body 1 is connected to a plurality of the above-mentioned air diffuser pipes 701. Each air diffuser pipe 701 is provided with a plurality of air holes 702. In this embodiment, the plurality of air diffuser pipes 701 are horizontally arranged, so as to form a cross-shaped perforated air diffuser pipe 701 with the air pipe 7.

[0041] In this embodiment, the part of the air pipe 7 extending into the water distribution area is located above the water outlet of the water inlet pipe 5, and the end of the water inlet pipe 5 located inside the tank body 1 extends to the center of the water distribution area and bends downward to discharge water. Combined with Figure 1 and Figure 2 shown, a flared mouth 501 is arranged at the water outlet of the water inlet pipe 5. A baffle 12 is arranged on the flared mouth 501 of the water inlet pipe 5. Combined with Figure 2As shown, the baffle 12 is located directly below the bell mouth 501, and the baffle 12 is located a certain distance below the bell mouth 501, which can ensure the water outlet space, and the baffle 12 is in a cone shape, and the cone vertex of the baffle 12 is facing the center of the bell mouth 501. The setting of the baffle 12 can rectify and change the direction of the water flowing out of the water outlet of the water inlet pipe 5, so as to prevent the water flow from impacting the modular filler unit and the mud in the mud discharge area.

[0042] In this embodiment, a tie rod 14 is connected between the baffle plate 12 and the bell mouth 501. Specifically, four tie rods 14 are connected around the baffle plate 12. The four tie rods are welded or clamped to the bell mouth of the water inlet pipe.

[0043] The specific implementation process is as follows:

[0044] In this embodiment, a circle of water outlet weirs is provided around the clean water area, and the water outlet weir is connected to the water outlet pipe 6. The valve on the water inlet pipe 5 is opened to allow the raw water to enter the tank body 1 through the water inlet pipe 5. After being rectified by the baffle plate 12, the water is processed upward through the modular filler 4 and is located in the clean water area. Then, by opening the valve on the water outlet pipe 6, the treated water in the clean water area can be smoothly discharged through the water outlet weir and enter the water outlet pipe 6 for discharge and use.

[0045] The sludge discharge area at the bottom of the tank body 1 can collect the sludge settled during the treatment process, and the valve can be manually opened every 1-2 days to discharge the sludge.

[0046] Since the water in the tank body 1 is in an upward flow state, when the modular packing 4 needs to be backwashed, the valve on the mud discharge pipe 9 can be opened to empty the tank body 1 while discharging mud, which is equivalent to backwashing the filter material in the modular packing 4. Before opening the valve on the mud discharge pipe 9 and during the mud discharge process, the fan 8 can be started to properly aerate the modular packing 4 through the air duct 7 to enhance the friction between the media inside the modular packing 4 and avoid blockage of the modular packing 4.

[0047] In this embodiment, the rising velocity of water in the tank body 1 is controlled at 1-2 m / h. The smaller rising velocity can effectively slow down the speed at which pollutants clog the modular packing units. Combined with aeration backwashing, the blockage of the modular packing 4 can be effectively controlled, reduced or avoided.

[0048] Embodiment 2, this embodiment differs from embodiment 1 in that: Figure 1As shown, in this embodiment, the modular filling unit is detachably connected to the tank body 1. Specifically, a support frame 2 is welded to the inner side of the tank body 1. The support frame 2 can be an annular support frame 2, or a support frame 2 formed by at least two block-shaped support blocks for supporting the modular filling unit. In this embodiment, the modular filling 4 is located in the frame 3, and the frame 3 is placed on the support frame 2, so that the support frame 2 supports the frame 3, thereby realizing the detachable cooperation between the modular filling unit as a whole and the tank body 1.

[0049] The water inside the tank body 1 can enter the bottom of the frame 3 and be filtered through the modular filler 4. In this embodiment, the bottom of the frame 3 is a stainless steel plate with water holes, and the side wall of the frame 3 is a closed stainless steel cylinder. The water in the lower part of the tank body 1 enters the modular filler 4 through the bottom of the frame 3 for treatment.

[0050] A hook 11 is connected to the frame 3. In this embodiment, a support rod is welded to the top of the frame 3. The hook 11 is fixed to the support rod at the top of the frame 3. The setting of the hook 11 facilitates the removal of the entire modular packing unit from the top of the tank body 1, and facilitates the replacement of modular packing 4 with different internal media.

[0051] In this embodiment, the internal medium of the modular filler 4 is any one of quartz sand, manganese sand, fiber filter cloth, activated carbon, ultrafiltration membrane or honeycomb inclined tube.

[0052] The specific implementation process is as follows: the raw water enters the water distribution area of ​​the tank body 1 through the water inlet pipe 5, and after being rectified by the baffle 12, the water passes upward through the modular filler 4. At this time, the corresponding pollutants in the water are removed according to the type of the internal medium of the modular filler 4 used.

[0053] When the modular filler 4 is a honeycomb inclined tube, the tank body 1 functions as an inclined tube sedimentation to remove sand and coarse suspended matter in the water;

[0054] When the modular filler 4 is quartz sand or fiber filter cloth, the tank body 1 functions as a coarse filter or a fine filter to remove small-sized suspended solids in the water;

[0055] When the modular filler 4 is activated carbon, the tank 1 functions as adsorption, which can remove trace organic matter and ammonia nitrogen in water;

[0056] When the modular filler 4 is manganese sand, the tank 1 functions as an iron and manganese removal filter;

[0057] When the modular filler 4 is an ultrafiltration membrane, the tank body 1 functions as ultrafiltration membrane filtration, and the effluent can meet the sanitary standards for drinking water after being disinfected.

[0058] In this embodiment, when the modular filler 4 is manganese sand, the aeration pipe 701 can be used for oxygenation before iron and manganese removal; when the modular filler 4 is activated carbon, the aeration pipe 701 can be used for microbial oxygenation to enhance the effect of biological treatment; in this embodiment, when the modular filler 4 is a honeycomb inclined tube, the air duct and aeration pipe should be eliminated.

[0059] In this embodiment, when the modular filler 4 is activated carbon, manganese sand and quartz sand, a stainless steel plate is arranged at the bottom of the frame 3, and the water holes on the stainless steel plate are all inserted with long-handled filter heads to achieve uniform water and air distribution. Gravel or coarse sand is filled above the stainless steel plate at the bottom of the frame 3 to form a supporting layer, which can prevent the filler from leaking from the bottom of the frame 3.

[0060] When the modular filler 4 is a honeycomb inclined tube, a steel bracket is used at the bottom of the frame 3. At this time, the honeycomb inclined tube is placed in the frame 3 as a whole, and the water in the tank body 1 can enter the honeycomb inclined tube through the steel bracket at the bottom of the frame 3 for sedimentation.

[0061] When the modular filler 4 is an ultrafiltration membrane, the stainless steel plate at the bottom of the frame 3 can be removed. The ultrafiltration membrane is composed of curtain-shaped membrane threads and a frame-shaped bracket. The curtain-shaped membrane threads are fixed on all sides of the bracket to form an ultrafiltration membrane structure. The bracket is suspended and fixed in the frame, and the bracket and the frame are connected by bolts. Water enters the membrane threads from the outside after being processed, and then enters the inside of the membrane threads through the water collecting pipe connected to the top of the bracket, so that the water collecting pipe is connected to the water outlet pipe of the tank body 1.

[0062] When the modular filler 4 is a fiber filter cloth, the stainless steel plate at the bottom of the frame 3 can be removed and the fiber filter cloth can be fixed to the inner side of the frame 3 by screws or other connection methods. Alternatively, the stainless steel plate at the bottom of the frame 3 can be retained and the fiber filter cloth can be fixed to the inner side of the frame 3.

[0063] The utility model adopts an upward flow multi-media filter tank 1, and realizes effective treatment of different types of water sources by replacing the modular filler 4 medium. The tank 1 has a simple structure and few supporting equipment. Only one blower 8 is needed to realize multiple functions such as aeration, backwashing and oxygenation, and low energy consumption and nearly zero manual maintenance are achieved, and the operation is simple.

[0064] In addition, the tank body 1 of the utility model can be manufactured in a standardized scale, which is convenient for production; the internal modular filler 4 can be installed in a modular manner and can be replaced at any time according to needs, and has a wide range of applications. In addition, the utility model eliminates the water inlet pump and the backwash pump. The electrical equipment only requires one fan 8, and the energy consumption is extremely low. Therefore, it can be powered by a self-contained power source such as solar energy, and is suitable for remote rural areas.

[0065] The utility model can achieve multiple functions such as precipitation, fiber filtration, manganese sand filtration, activated carbon filtration and ultrafiltration membrane filtration under the same processing scale with the same main structure style and size of the device, and only the medium inside the modular filler 4 is changed. Various selections can be made according to different inlet and outlet water quality requirements, truly realizing large-scale production and modular assembly.

[0066] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A water purification device, comprising a tank body, It is characterized in that The inside of the tank body is composed of a mud discharge area, a water distribution area, a modular filler unit and a clean water area from bottom to top. The mud discharge area, the water distribution area, the modular filler unit and the clean water area are interconnected, and a mud discharge pipe is connected to the bottom of the mud discharge area; The water distribution area is connected with a water inlet pipe and an air duct, one end of the air duct extends into the water distribution area, and the part of the air duct extending into the water distribution area is connected with an aeration pipe, the aeration pipe is provided with aeration holes, and the air duct is connected with a fan; The clean water area is connected with a water outlet pipe, and valves are installed on the mud discharge pipe, the water inlet pipe and the water outlet pipe.

2. A water purification device according to claim 1, It is characterized in that The water inlet pipe is located at one end of the tank body, extends to the center of the water distribution area and bends downward to discharge water. The water outlet of the water inlet pipe is provided with a bell mouth, and a baffle is provided at the bell mouth. The baffle is located below the bell mouth. Pull rods are connected around the baffle, and the pull rods are connected to the bell mouth of the water inlet pipe.

3. A water purification device according to claim 2, It is characterized in that The baffle plate is in a cone shape, and the cone vertex of the baffle plate faces the center of the bell mouth.

4. A water purification device according to claim 1, It is characterized in that The air duct and the water inlet pipe are both connected from the lower part of the tank body, and the water outlet pipe is connected from the upper part of the tank body.

5. A water purification device according to claim 4, It is characterized in that The portion of the air duct extending into the water distribution area is located above the water outlet of the water inlet pipe.

6. A water purification device according to any one of claims 1 to 5, It is characterized in that The modular filling unit is detachably connected to the tank body.

7. A water purification device according to claim 6, It is characterized in that A support frame is connected to the inner side of the tank body. The modular filler unit includes a frame and a filler. The filler is located in the frame. The frame is placed on the support frame. Water inside the tank body can enter the frame and be filtered through the filler.

8. A water purification device according to claim 7, It is characterized in that The frame is connected with a hook.

9. A water purification device according to claim 7, It is characterized in that The internal medium of the filler is any one of quartz sand, manganese sand, fiber filter cloth, activated carbon, ultrafiltration membrane or honeycomb inclined tube.

10. A water purification device according to claim 1, It is characterized in that The mud discharge area is funnel-shaped.

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