Emergency arsenic removal water purification device

Through the combination of ozone contact tower, mixing tank, flocculation tank, sedimentation tank and multi-media filter, the problem of poor treatment effect of groundwater arsenic pollution in the existing technology is solved, and efficient water purification effect and convenient maintenance operation are achieved.

CN223409494UActive Publication Date: 2025-10-03TIANJIN RONGTAI WATER CO LTD
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Patent Information

Application Number
CN202422819170.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-03
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

In the existing technology, the adsorption method is less effective in treating arsenic pollution in groundwater, is difficult to completely eliminate in a short period of time, and is hidden and long-term.

Method used

A combination of an ozone contact tower, a mixing tank, a flocculation tank, a sedimentation tank and a multi-media filter is used to purify groundwater through ozone oxidation, flocculation and sedimentation processes combined with multiple filtrations of the multi-media filter.

Benefits of technology

It significantly improves the purification effect of groundwater, ensures that the arsenic content meets the standard, is suitable for drinking water, and the device is easy to maintain and clean.

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Abstract

The utility model discloses an emergency arsenic removal water purification device which comprises an ozone contact tower, the top of the outer surface of the ozone contact tower is fixedly connected with a first delivery pipe, the outer surface of the first delivery pipe is fixedly connected with a first water pump, and the lower surface of the first water pump is fixedly connected with a mixing pool. According to the water purification device for emergency arsenic removal, through the arrangement of the ozone contact tower, the mixing tank, the flocculation tank, the sedimentation tank and the multi-medium filter, raw water enters the ozone contact tower to be subjected to contact oxidation with ozone in water, then the oxidized water is conveyed into the mixing tank through a first water pump and a first conveying pipe, and then the oxidized water sequentially enters the flocculation tank and the sedimentation tank; and finally, the water is collected through the middle water tank and enters the multi-medium filter under the action of the second water pump and the second conveying pipe, and the water filtered by the multi-medium filter enters an existing clear water reservoir in a project site through the drainage pipe and can reach the standard after being disinfected, so that the water purification treatment effect is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of water purification devices, in particular to an emergency arsenic removal water purification device. Background Art

[0002] Arsenic is a toxic metalloid element widely present in the natural environment. Arsenic contamination in groundwater primarily originates from natural seepage in the strata, as well as industrial emissions and agricultural activities in some areas. Long-term consumption of groundwater containing excessive arsenic levels can have serious health consequences, including an increased risk of cancer, skin hyperpigmentation, hyperkeratosis of the palms and soles, liver disease, and damage to cardiovascular and renal function.

[0003] After searching, Chinese patent publication (announcement) No. CN220999432U discloses a water purification and arsenic removal and fluoride removal device, including a filter housing, the interior of the filter housing is hollow and open at both ends, a filter element is detachably connected to the filter housing, a plurality of water outlet holes are opened on the outer surface of the filter element, an adsorption filter layer is provided in the filter element, and arsenic and fluoride in the water are adsorbed and filtered. The adsorption filter layer includes an activated alumina layer, a sepiolite layer, a silver-loaded activated carbon adsorption layer and a macroporous adsorption resin layer from top to bottom. When using this water purification and arsenic removal and fluoride removal device for water purification and arsenic removal and fluoride removal, the water to be treated is introduced into the filter element through one end of the water inlet of the filter housing, and the arsenic and fluoride in the water are effectively adsorbed and removed by passing through the activated alumina layer, the sepiolite layer, the silver-loaded activated carbon adsorption layer and the macroporous adsorption resin layer in sequence, so that the water from which the arsenic and fluoride are adsorbed and removed flows out from the water outlet holes and is finally discharged through one end of the water outlet of the filter housing.

[0004] Although the above patent can adsorb arsenic and fluoride in water, it only uses adsorption to filter groundwater, and the treatment effect is poor. Groundwater pollution is hidden and long-term, and it is difficult to completely eliminate it in a short period of time. Therefore, it is necessary to design an emergency arsenic removal water purification device to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide an emergency arsenic removal water purification device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A water purification device for emergency arsenic removal includes an ozone contact tower, wherein the top of the outer surface of the ozone contact tower is fixedly connected to a first delivery pipe, the outer surface of the first delivery pipe is fixedly connected to a first water pump, the lower surface of the first water pump is fixedly connected to a mixing tank, and the outer surface of the mixing tank is fixedly connected to a flocculation tank; the outer surface of the flocculation tank is fixedly connected to a sedimentation tank, the outer surface of the sedimentation tank is fixedly connected to an intermediate water tank, the outer surface of the intermediate water tank is fixedly connected to a second water pump, the outer surface of the second water pump is fixedly connected to a second delivery pipe, one end of the second delivery pipe is fixedly connected to a multi-media filter, the bottom of the outer surface of the multi-media filter is fixedly connected to a drain pipe, and one side of the outer surface of the drain pipe is fixedly connected to a first control valve.

[0008] In order to facilitate water intake, as an emergency arsenic removal water purification device of the utility model, the bottom of the outer surface of the ozone contact tower is fixedly connected to a water inlet pipe, one side of the outer surface of the water inlet pipe is fixedly connected to a water inlet pump, and one end of the water inlet pipe is fixedly connected to a porous diffuser.

[0009] In order to facilitate the delivery of ozone, as an emergency arsenic removal water purification device of the utility model, a connecting pipe is fixedly connected to the other side of the outer surface of the water inlet pipe, one end of the connecting pipe is fixedly connected to the ozone generator, and one side of the outer surface of the ozone generator is fixedly connected to the air inlet pipe.

[0010] In order to achieve the effect of facilitating exhaust, as an emergency arsenic removal water purification device of the utility model, the upper surface of the ozone contact tower is fixedly connected to an exhaust pipe, and the outer surface of the exhaust pipe is fixedly connected to an ozone tail gas destroyer.

[0011] In order to facilitate water transportation, as an emergency arsenic removal water purification device of the utility model, the connection points of the mixing tank, sedimentation tank and the upper surface of the intermediate water tank are fixedly connected with a transfer pump, and the outer surface of the transfer pump is fixedly connected with a transfer pipe.

[0012] In order to facilitate mud discharge, as an emergency arsenic removal water purification device of the utility model, a mud collecting bucket is fixedly connected to the bottom of the inner side of the sedimentation tank, a mud discharge pipe is fixedly connected to the front of the sedimentation tank, and a second control valve is fixedly connected to the outer surface of the mud discharge pipe.

[0013] In order to achieve the effect of facilitating multiple filtration, as an emergency arsenic removal water purification device of the utility model, the inner side of the multi-media filter is fixedly connected to a support block, the upper surface of the support block is movably connected to a filter plate, and the top of the inner side of the multi-media filter is movably connected to a top cover.

[0014] In order to facilitate regular backwashing, as an emergency arsenic removal water purification device of the present invention, a backwash pipe is fixedly connected to the other side of the outer surface of the drain pipe, and a backwash pump is fixedly connected to the outer surface of the backwash pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the utility model, through the arrangement of an ozone contact tower, a mixing tank, a flocculation tank, a sedimentation tank and a multi-media filter, raw water enters the ozone contact tower, is oxidized by contact with the ozone in the water, and then is transported to the interior of the mixing tank through the first water pump and the first delivery pipe. The oxidized water is first mixed and reacted with ferric chloride in the mixing tank, and then enters the flocculation tank and the sedimentation tank in sequence. Finally, it is collected through the intermediate water tank, and enters the multi-media filter under the action of the second water pump and the second delivery pipe. The water filtered by the multi-media filter enters the existing clear water reservoir at the project site through the drain pipe. After disinfection, it can meet the standards, and the water purification effect is enhanced.

[0017] 2. In the utility model, through the arrangement of the mud collecting bucket, mud discharge pipe, filter plate and backwash pump, the mud collecting bucket plays a role in gathering the dirt deposited at the bottom. The mud discharge pipe mouth can be opened by using the second control valve, so that the sludge is discharged to the designated location, and the sewage is discharged thoroughly. The filter plates are installed from bottom to top in sequence, and the support blocks support the filter plates, which is convenient for cleaning and replacement after long-term use. Each group of filter plates can be made of different filter materials. The backwash pipe and the backwash pump are used in conjunction with each other for regular backwashing of the multi-media filter. At the same time, the filtered water can be re-transported to the interior of the multi-media filter for multiple filtration to ensure the water purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the ozone contact tower according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of a sedimentation tank according to an embodiment of the present utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the multi-media filter according to an embodiment of the present utility model.

[0023] In the figure: 1. Ozone contact tower; 2. First delivery pipe; 3. First water pump; 4. Mixing tank; 5. Flocculation tank; 6. Sedimentation tank; 7. Intermediate water tank; 8. Second water pump; 9. Second delivery pipe; 10. Multi-media filter; 11. Drain pipe; 12. First control valve; 13. Water inlet pipe; 14. Water inlet pump; 15. Porous diffuser; 16. Connecting pipe; 17. Ozone generator; 18. Air inlet pipe; 19. Exhaust pipe; 20. Ozone tail gas destroyer; 21. Transfer pump; 22. Transfer pipe; 23. Mud collecting hopper; 24. Mud discharge pipe; 25. Second control valve; 26. Support block; 27. Filter plate; 28. Top cover; 29. ​​Backwash pipe; 30. Backwash pump. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0025] like Figure 1-5 As shown, an emergency arsenic removal water purification device includes an ozone contact tower 1, the top of the outer surface of the ozone contact tower 1 is fixedly connected to a first delivery pipe 2, the outer surface of the first delivery pipe 2 is fixedly connected to a first water pump 3, the lower surface of the first water pump 3 is fixedly connected to a mixing tank 4, and the outer surface of the mixing tank 4 is fixedly connected to a flocculation tank 5; the outer surface of the flocculation tank 5 is fixedly connected to a sedimentation tank 6, the outer surface of the sedimentation tank 6 is fixedly connected to an intermediate water tank 7, the outer surface of the intermediate water tank 7 is fixedly connected to a second water pump 8, the outer surface of the second water pump 8 is fixedly connected to a second delivery pipe 9, one end of the second delivery pipe 9 is fixedly connected to a multi-media filter 10, the bottom of the outer surface of the multi-media filter 10 is fixedly connected to a drain pipe 11, and one side of the outer surface of the drain pipe 11 is fixedly connected to a first control valve 12.

[0026] During specific use, through the arrangement of the ozone contact tower 1, the mixing tank 4, the flocculation tank 5, the sedimentation tank 6 and the multi-media filter 10, the raw water enters the ozone contact tower 1, contacts and oxidizes with the ozone in the water, so that the gas and water separate each other into mist-like balls, thereby increasing the contact area and reaction probability between the ozone and the oxidized substances in the water. The oxidized water is then transported to the interior of the mixing tank 4 through the first water pump 3 and the first delivery pipe 2, where it first mixes and reacts with ferric chloride, then enters the flocculation tank 5 and the sedimentation tank 6 in sequence, and is finally collected through the intermediate water tank 7. The water enters the multi-media filter 10 under the action of the second water pump 8 and the second delivery pipe 9. The water filtered by the multi-media filter 10 enters the existing clear water reservoir at the project site through the drain pipe 11, and meets the standards after disinfection. The water purification effect is enhanced, and the arsenic content in the groundwater treated by this emergency arsenic removal water purification device meets the requirements and can be used as drinking water.

[0027] In this embodiment, a water inlet pipe 13 is fixedly connected to the bottom of the outer surface of the ozone contact tower 1, a water inlet pump 14 is fixedly connected to one side of the outer surface of the water inlet pipe 13, and a porous diffuser 15 is fixedly connected to one end of the water inlet pipe 13.

[0028] During specific use, through the setting of the water inlet pipe 13, the water inlet pipe 13 transports the groundwater to be treated to the interior of the ozone contact tower 1 through the water inlet pump 14. The porous diffuser 15 allows the transported water to diffuse better and react more fully.

[0029] In this embodiment, a connecting pipe 16 is fixedly connected to the other side of the outer surface of the water inlet pipe 13 , one end of the connecting pipe 16 is fixedly connected to an ozone generator 17 , and one side of the outer surface of the ozone generator 17 is fixedly connected to an air inlet pipe 18 .

[0030] During specific use, the ozone generator 17 is set up, and the ozone generator 17 is used to produce ozone gas. The external gas is transported to the inside of the ozone generator 17 through the air inlet pipe 18, and then the produced ozone gas is transported to the inside of the ozone contact tower 1 through the connecting pipe 16 and the water inlet pipe 13 to oxidize the water.

[0031] In this embodiment, an exhaust pipe 19 is fixedly connected to the upper surface of the ozone contact tower 1 , and an ozone tail gas destroyer 20 is fixedly connected to the outer surface of the exhaust pipe 19 .

[0032] During specific use, the ozone exhaust destroyer 20 is set up. The ozone exhaust destroyer 20 is a key device for treating ozone in exhaust gas. It purifies the exhaust gas through catalytic decomposition technology to ensure the environmental protection and safety of the production process.

[0033] In this embodiment, the connection points of the upper surfaces of the mixing tank 4 , the sedimentation tank 6 and the intermediate water tank 7 are all fixedly connected with a transfer pump 21 , and the outer surface of the transfer pump 21 is fixedly connected with a transfer pipe 22 .

[0034] In specific use, by setting the transfer pump 21, the transfer pump 21 and the transfer pipe 22 cooperate with each other to transport water from the mixing tank 4 and the sedimentation tank 6 to the intermediate water tank 7 in sequence, playing the role of transfer transportation.

[0035] In this embodiment, a mud collecting bucket 23 is fixedly connected to the bottom of the inner side of the sedimentation tank 6 , a mud discharge pipe 24 is fixedly connected to the front of the sedimentation tank 6 , and a second control valve 25 is fixedly connected to the outer surface of the mud discharge pipe 24 .

[0036] During specific use, the mud collecting bucket 23 is set and fixed at the bottom of the inner side of the sedimentation tank 6, which plays a role in gathering the dirt deposited at the bottom. The second control valve 25 can be used to open the mud discharge pipe 24 to discharge the sludge to a designated location, so that the sewage is completely discharged.

[0037] In this embodiment, the inner side of the multi-media filter 10 is fixedly connected to a support block 26 , the upper surface of the support block 26 is movably connected to a filter plate 27 , and the top of the inner side of the multi-media filter 10 is movably connected to a top cover 28 .

[0038] During specific use, by setting the filter plate 27, open the top cover 28, and the filter plates 27 can be installed from bottom to top in sequence. The support block 26 supports the filter plate 27, making the filter plate 27 easy to install and disassemble, convenient for cleaning and replacement after long-term use, and more convenient for maintenance. There are multiple filter plates 27, and each group of filter plates 27 can be made of different filter materials, such as activated carbon, iron oxide, aluminum oxide and TiO2. These adsorption materials have certain adsorption and filtering effects on arsenic and fluorine.

[0039] In this embodiment, a backwash pipe 29 is fixedly connected to the other side of the outer surface of the drain pipe 11 , and a backwash pump 30 is fixedly connected to the outer surface of the backwash pipe 29 .

[0040] During specific use, through the setting of the backwash pump 30, the backwash pipe 29 is fixed on one side of the outer surface of the drain pipe 11, and is used in conjunction with the backwash pump 30 for regular backwashing of the multi-media filter 10. At the same time, the filtered water can be re-transported to the interior of the multi-media filter 10 for multiple filtrations to ensure the water purification effect.

[0041] Working principle: In use, the water inlet pipe 13 transports the groundwater to be treated to the inside of the ozone contact tower 1 through the water inlet pump 14, and the porous diffuser 15 allows the transported water to be better diffused. The air inlet pipe 18 transports the external gas to the inside of the ozone generator 17, and the prepared ozone gas is transported to the inside of the ozone contact tower 1 through the connecting pipe 16 and the water inlet pipe 13, so that the gas and water can separate each other into mist-like small balls, thereby increasing the contact area and reaction probability between the ozone and the oxidized substances in the water. Then, the oxidized water is transported to the inside of the mixing tank 4 through the first water pump 3 and the first delivery pipe 2, and first mixed with ferric chloride in the mixing tank 4 for reaction, and then transferred through the transfer pump 21 and the transfer pipe 22. It enters the flocculation tank 5 and the sedimentation tank 6 in sequence, and is finally collected through the intermediate water pool 7. Under the action of the second water pump 8 and the second delivery pipe 9, it enters the multi-media filter 10. The water filtered by multiple filter plates 27 enters the existing clean water reservoir at the project site through the drain pipe 11. It can meet the standards after disinfection. The ozone tail gas destroyer 20 can purify the exhaust gas inside the ozone contact tower 1. The mud collecting bucket 23 has a gathering effect on the dirt deposited at the bottom. The second control valve 25 can be used to open the mud discharge pipe 24 to discharge the sludge to a designated location. The backwash pump 30 and the backwash pipe 29 are used in conjunction with each other for regular backwashing of the multi-media filter 10. At the same time, the filtered water can be re-delivered to the interior of the multi-media filter 10 for multiple filtration to ensure the water purification effect.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An emergency arsenic removal water purification device, comprising an ozone contact tower (1), characterized in that: The top of the outer surface of the ozone contact tower (1) is fixedly connected to a first delivery pipe (2), the outer surface of the first delivery pipe (2) is fixedly connected to a first water pump (3), the lower surface of the first water pump (3) is fixedly connected to a mixing tank (4), and the outer surface of the mixing tank (4) is fixedly connected to a flocculation tank (5); The outer surface of the flocculation tank (5) is fixedly connected to a sedimentation tank (6), the outer surface of the sedimentation tank (6) is fixedly connected to an intermediate water tank (7), the outer surface of the intermediate water tank (7) is fixedly connected to a second water pump (8), the outer surface of the second water pump (8) is fixedly connected to a second delivery pipe (9), one end of the second delivery pipe (9) is fixedly connected to a multi-media filter (10), the bottom of the outer surface of the multi-media filter (10) is fixedly connected to a drain pipe (11), and one side of the outer surface of the drain pipe (11) is fixedly connected to a first control valve (12).

2. The emergency arsenic removal water purification device according to claim 1, characterized in that: A water inlet pipe (13) is fixedly connected to the bottom of the outer surface of the ozone contact tower (1), a water inlet pump (14) is fixedly connected to one side of the outer surface of the water inlet pipe (13), and a porous diffuser (15) is fixedly connected to one end of the water inlet pipe (13).

3. The emergency arsenic removal water purification device according to claim 2, characterized in that: The other side of the outer surface of the water inlet pipe (13) is fixedly connected to a connecting pipe (16), one end of the connecting pipe (16) is fixedly connected to an ozone generator (17), and one side of the outer surface of the ozone generator (17) is fixedly connected to an air inlet pipe (18).

4. The emergency arsenic removal water purification device according to claim 1, characterized in that: An exhaust pipe (19) is fixedly connected to the upper surface of the ozone contact tower (1), and an ozone tail gas destroyer (20) is fixedly connected to the outer surface of the exhaust pipe (19).

5. The emergency arsenic removal water purification device according to claim 1, characterized in that: The connection points of the upper surfaces of the mixing tank (4), the sedimentation tank (6) and the intermediate water tank (7) are all fixedly connected to a transfer pump (21), and the outer surface of the transfer pump (21) is fixedly connected to a transfer pipe (22).

6. The emergency arsenic removal water purification device according to claim 1, characterized in that: A mud collecting bucket (23) is fixedly connected to the bottom of the inner side of the sedimentation tank (6), a mud discharge pipe (24) is fixedly connected to the front of the sedimentation tank (6), and a second control valve (25) is fixedly connected to the outer surface of the mud discharge pipe (24).

7. The emergency arsenic removal water purification device according to claim 1, characterized in that: The inner side surface of the multi-media filter (10) is fixedly connected to a support block (26), the upper surface of the support block (26) is movably connected to a filter plate (27), and the top of the inner side surface of the multi-media filter (10) is movably connected to a top cover (28).

8. The emergency arsenic removal water purification device according to claim 1, characterized in that: A backwash pipe (29) is fixedly connected to the other side of the outer surface of the drainage pipe (11), and a backwash pump (30) is fixedly connected to the outer surface of the backwash pipe (29).

Citation Information

Patent Citations

  • A water purification device for removing arsenic and fluorine

    CN220999432U