Pretreatment device for ultrafiltration membrane produced water

Abstract

According to the technical scheme, the ultrafiltration membrane produced water pretreatment device is characterized in that the ultrafiltration membrane produced water pretreatment device comprises a base, an activated carbon filter box is fixedly installed on the top face of the base, a quartz sand filter box is fixedly installed on the top face of the base, and an ultrafiltration membrane filter cartridge is arranged on one side of the activated carbon filter box; a plurality of supporting columns are fixedly installed on the bottom face of the base, a water inlet pipe and a filtering assembly are arranged on the top face of the quartz sand filtering box, and the filtering assembly is arranged in the quartz sand filtering box and used for filtering water in the quartz sand filtering box and the activated carbon filtering box; through mutual cooperative use of the pressure pump, the water inlet pipe, the first water flowing pipe, the quartz sand filter box, the filter inner box, the ultrafiltration membrane filter cartridge and the quartz sand filter box, the effects of reducing water turbidity and purifying water quality before the ultrafiltration membrane filter cartridge produces water can be achieved, and the ultrafiltration membrane filter cartridge is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrafiltration membranes, in particular to an ultrafiltration membrane water production pretreatment device. Background Art

[0002] Ultrafiltration membrane technology is a water treatment technology that can effectively filter suspended waste, colloids, algae, pathogens and other aquatic viruses, thereby achieving the purpose of water separation and purification. Compared with other traditional environmental protection engineering water treatment technologies, ultrafiltration membrane technology has low equipment cost, low energy consumption, and more convenient water biomass recovery. It has been widely used in various water purification processes.

[0003] In the prior art, ultrafiltration membranes are widely used in various water purification and filtration equipment. However, the water in the water inlet pipe of the water purification and filtration equipment may sometimes be turbid due to various reasons. At this time, using ultrafiltration membranes for filtration will cause blockage of the ultrafiltration membrane and cause losses, which has certain limitations. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an ultrafiltration membrane water pretreatment device, which solves the problem that the water in the water inlet pipe of the water purification filtration equipment is sometimes turbid due to various reasons. At this time, using an ultrafiltration membrane for filtration will cause the ultrafiltration membrane to be blocked, resulting in losses and having certain limitations.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] An ultrafiltration membrane water production pretreatment device, comprising: a base, an activated carbon filter box is fixedly installed on the top surface of the base, a quartz sand filter box is fixedly installed on the top surface of the base, an ultrafiltration membrane filter cartridge is arranged on one side of the activated carbon filter box, a plurality of support columns are fixedly installed on the bottom surface of the base, a water inlet pipe is arranged on the top surface of the quartz sand filter box, and a filter assembly is arranged inside the quartz sand filter box for filtering water inside the quartz sand filter box and the activated carbon filter box, and the filter assembly comprises: a filter inner box The filter inner box is movably sleeved with the interior of the quartz sand filter box, a support hole is provided on one side of the filter inner box, a filter screen is fixedly installed inside the support hole, a plurality of threaded grooves are provided on the top surface of the quartz sand filter box, a top plate is provided on the top surface of the quartz sand filter box, a threaded hole is provided on the top surface of the top plate, a bolt is threadedly connected to the inner circular wall surface of the threaded hole, and the bolt is threadedly connected to the threaded groove, a circular through hole is provided on the top surface of the top plate, and a first flow A pressure pump is fixedly installed on the top surface of the top plate, a PLC controller is fixedly installed on one side of the quartz sand filter box, the water inlet of the pressure pump is fixedly connected with the water inlet pipe, the water outlet of the pressure pump is fixedly connected with the first water pipe, a circular through hole is opened on one side of the quartz sand filter box, a second water pipe is fixedly connected on the inner wall of the circular through hole, a circular through hole is opened on the top surface of the activated carbon filter box, the circular through hole is fixedly connected with the second water pipe, and a circular through hole is opened on one side of the activated carbon filter box. There is a circular through hole, the inner circular wall of the circular through hole is fixedly sleeved with a pressure gauge, the inner circular wall of the pressure gauge is fixedly sleeved with a third water pipe, the third water pipe is fixedly sleeved with the water inlet on the bottom surface of the ultrafiltration membrane filter cartridge, a support frame is fixedly installed on one side of the activated carbon filter box, the support frame is fixedly sleeved with the ultrafiltration membrane filter cartridge, a sewage outlet is opened on the top surface of the ultrafiltration membrane filter cartridge, a drain pipe is fixedly sleeved on the inner circular wall of the sewage outlet, and a clean water outlet is opened on the outer circular wall of the ultrafiltration membrane filter cartridge.

[0007] In order to replace the quartz sand inside the filter inner box, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a support block is fixedly sleeved inside the filter inner box.

[0008] In order to seal the gap between the quartz sand filter box and the top plate, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a sealing gasket is provided between the quartz sand filter box and the top plate.

[0009] In order to observe the inside of the activated carbon filter box, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a rectangular through hole is opened on one side of the activated carbon filter box, and glass is fixedly installed inside the rectangular through hole.

[0010] In order to count the water output of the ultrafiltration membrane filter cartridge, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a flow meter is fixedly sleeved on the inner circular wall surface of the clean water outlet.

[0011] In order to control the opening or closing of the water at the purified water outlet, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a drainage valve is fixedly sleeved on the inner circular wall surface of the flow meter.

[0012] In order to protect the bottom surface of the support column, as an ultrafiltration membrane water production pretreatment device of the utility model, preferably, a protective pad is fixedly installed on the bottom surface of the support column.

[0013] In summary, the utility model mainly has the following beneficial effects:

[0014] By using the booster pump, water inlet pipe, first water flow pipe, quartz sand filter box, filter inner box, ultrafiltration membrane filter cartridge and quartz sand filter box in coordination with each other, it is possible to reduce water turbidity and purify water quality before the ultrafiltration membrane filter cartridge produces water, thereby preventing clogging of the ultrafiltration membrane filter cartridge.

[0015] Through the coordinated use of the support block, the filter inner box, the bolts, the threaded holes, the threaded grooves and the activated carbon filter box, the quartz sand inside the filter inner box can be replaced, and then through the coordinated use of the sealing gasket, the bolts, the threaded holes, the top plate and the quartz sand filter box, the gap between the quartz sand filter box and the top plate can be sealed. At the same time, through the set glass, the interior of the activated carbon filter box can be observed. After that, through the use of the flow meter, the water output of the ultrafiltration membrane filter cartridge can be counted. Then, through the use of the drain valve, the water at the clean water outlet can be controlled to be opened or closed. Finally, through the use of the protective pad, the bottom surface of the support column can be protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the activated carbon filter box of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the quartz sand filter box of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the filter inner box of the utility model.

[0020] Figure numerals: 1. base; 2. activated carbon filter box; 3. quartz sand filter box; 4. ultrafiltration membrane filter cartridge; 5. support column; 6. filter inner box; 7. support hole; 8. filter net; 9. support block; 10. top plate; 11. threaded hole; 12. bolt; 13. threaded groove; 14. sealing gasket; 15. protective gasket; 16. first water pipe; 17. pressure pump; 18. water inlet pipe; 19. support frame; 20. second water pipe; 21. PLC controller; 22. glass; 23. pressure gauge; 24. third water pipe; 25. flow meter; 26. drain valve; 27. sewage drain outlet; 28. drain pipe; 29. ​​clean water outlet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4A device for pre-treatment of water produced by ultrafiltration membrane comprises: a base 1, an activated carbon filter box 2 is fixedly installed on the top surface of the base 1, a quartz sand filter box 3 is fixedly installed on the top surface of the base 1, an ultrafiltration membrane filter cartridge 4 is arranged on one side of the activated carbon filter box 2, a plurality of support columns 5 are fixedly installed on the bottom surface of the base 1, a water inlet pipe 18 is arranged on the top surface of the quartz sand filter box 3, a filter assembly is arranged inside the quartz sand filter box 3 for filtering water inside the quartz sand filter box 3 and the activated carbon filter box 2, the filter assembly comprises a filter inner box 6, the filter inner box 6 is movably connected to the inside of the quartz sand filter box 3, and the filter inner box 6 is A support hole 7 is provided on one side, a filter screen 8 is fixedly installed inside the support hole 7, a plurality of thread grooves 13 are provided on the top surface of the quartz sand filter box 3, a top plate 10 is provided on the top surface of the quartz sand filter box 3, a threaded hole 11 is provided on the top surface of the top plate 10, a bolt 12 is threadedly connected to the inner wall surface of the threaded hole 11, and the bolt 12 is threadedly connected to the thread groove 13, a circular through hole is provided on the top surface of the top plate 10, a first water pipe 16 is fixedly sleeved on the inner wall surface of the circular through hole, a pressure pump 17 is fixedly installed on the top surface of the top plate 10, and a PLC controller 21 is fixedly installed on one side of the quartz sand filter box 3,The water inlet of the booster pump 17 is fixedly connected with the water inlet pipe 18, the water outlet of the booster pump 17 is fixedly connected with the first water pipe 16, a circular through hole is provided on one side of the quartz sand filter box 3, and a second water pipe 20 is fixedly connected to the inner wall of the circular through hole, a circular through hole is provided on the top surface of the activated carbon filter box 2, and the circular through hole is fixedly connected with the second water pipe 20, a circular through hole is provided on one side of the activated carbon filter box 2, and a pressure gauge 23 is fixedly connected to the inner wall of the circular through hole, and a third water pipe 20 is fixedly connected to the inner wall of the pressure gauge 23 The third water pipe 24 is fixedly connected with the water inlet of the bottom surface of the ultrafiltration membrane filter cartridge 4. A support frame 19 is fixedly installed on one side of the activated carbon filter box 2. The support frame 19 is fixedly connected with the ultrafiltration membrane filter cartridge 4. A sewage outlet 27 is provided on the top surface of the ultrafiltration membrane filter cartridge 4. A drainage pipe 28 is fixedly connected to the inner wall surface of the sewage outlet 27. A clean water outlet 29 is provided on the outer wall surface of the ultrafiltration membrane filter cartridge 4. The pressure pump 17 is set up, and the pressure pump 17 is started to pressurize the water in the water inlet pipe 18 through the first water pipe 16. The quartz sand is injected into the interior of the filter box 3. Under a certain water pressure, the interior of the filter box 6 can filter the water with high turbidity through the granular quartz sand of a certain thickness, effectively intercepting and removing the suspended matter, organic matter and colloidal particles in the water. The pore diameter of the filter net 8 is small, which can prevent the quartz sand inside the filter box 6 from flowing with the water. After that, the filtered water enters the interior of the activated carbon filter box 2 through the second water flow pipe 20. The activated carbon inside the activated carbon filter box 2 can absorb the residual chlorine that the quartz sand filter box 3 cannot remove. To prevent the reverse osmosis membrane inside the rear-stage ultrafiltration membrane filter cartridge 4 from being oxidized and degraded, and at the same time adsorb small molecular organic matter and other pollutants leaked from the quartz sand filter box 3, and have a more obvious adsorption and removal effect on odor, colloids, pigments, heavy metal ions, etc. in the water. Then the water filtered by the activated carbon filter box 2 passes through the pressure gauge 23 and the third water flow pipe 24 and enters the interior of the ultrafiltration membrane filter cartridge 4, thereby achieving the purpose of reducing water turbidity and purifying water quality before the ultrafiltration membrane filter cartridge 4 produces water, and preventing damage to the ultrafiltration membrane filter cartridge 4. ,

[0023] refer to Figure 1 , Figure 2 and Figure 3, a support block 9 is fixedly sleeved inside the filter inner box 6, a sealing gasket 14 is arranged between the quartz sand filter box 3 and the top plate 10, a rectangular through hole is opened on one side of the activated carbon filter box 2, a glass 22 is fixedly installed inside the rectangular through hole, a flow meter 25 is fixedly sleeved on the inner circular wall surface of the clean water outlet 29, a drain valve 26 is fixedly sleeved on the inner circular wall surface of the flow meter 25, a protective gasket 15 is fixedly installed on the bottom surface of the support column 5, through the provided support block 9, when the filter inner box 6 has been used for a long time, the bolt 12 is screwed out of the threaded hole 11 and the threaded groove 13, and then the support block 9 is held to lift the filter inner box 6 out of the quartz sand filter box 3, the quartz sand inside the filter inner box 6 is cleaned and replaced, and then the sealing gasket 14 is provided , screw the bolt 12 tightly into the threaded hole 11 and the threaded groove 13, the top plate 10 will squeeze the sealing gasket 14, thereby preventing the water inside the quartz sand filter box 3 from leaking out from the gap between the quartz sand filter box 3 and the top plate 10, and then through the set glass 22, the cleanliness of the activated carbon inside the activated carbon filter box 2 can be observed through the glass 22, and then through the set flow meter 25, the flow meter 25 can measure the water production of the ultrafiltration membrane filter cartridge 4, at the same time, through the set drain valve 26, the water outlet inside the ultrafiltration membrane filter cartridge 4 can be controlled to be opened or closed, and finally through the set protective pad 15, the protective pad 15 can protect the bottom surface of the support column 5 to prevent damage to the support column 5 when the base 1 is moved.

[0024] Working principle: Please refer to Figure 1-Figure 4 As shown, by setting the pressure pump 17, the pressure pump 17 is started to pressurize the water in the water inlet pipe 18 and inject it into the interior of the quartz sand filter box 3 through the first water flow pipe 16. The interior of the filter inner box 6 can filter the water with high turbidity through the granular quartz sand of a certain thickness under a certain water pressure, effectively intercepting and removing the suspended matter, organic matter and colloidal particles in the water, and then the pore diameter of the filter screen 8 is small, which can prevent the quartz sand inside the filter inner box 6 from flowing with the water. After that, the filtered water enters the interior of the activated carbon filter box 2 through the second water flow pipe 20. The activated carbon filter box 2 has the activated carbon particles in it. The activated carbon can adsorb the residual chlorine that the quartz sand filter box 3 cannot remove to prevent the reverse osmosis membrane inside the subsequent ultrafiltration membrane filter cartridge 4 from being oxidized and degraded. At the same time, it also adsorbs pollutants such as small molecular organic matter leaked from the quartz sand filter box 3, and has a more obvious adsorption and removal effect on odor, colloids, pigments, heavy metal ions, etc. in the water. Then, the water filtered by the activated carbon filter box 2 passes through the pressure gauge 23 and the third water flow pipe 24 and enters the interior of the ultrafiltration membrane filter cartridge 4, thereby achieving the purpose of reducing water turbidity and purifying water quality before the ultrafiltration membrane filter cartridge 4 produces water, and preventing damage to the ultrafiltration membrane filter cartridge 4.

[0025] Through the support block 9, when the filter inner box 6 has been used for a long time, the bolt 12 is screwed out of the threaded hole 11 and the threaded groove 13, and then the support block 9 is held to lift the filter inner box 6 out of the quartz sand filter box 3, and the quartz sand inside the filter inner box 6 is cleaned and replaced. Then, through the provided sealing gasket 14, the bolt 12 is tightly screwed into the threaded hole 11 and the threaded groove 13, and the top plate 10 squeezes the sealing gasket 14, thereby preventing the water inside the quartz sand filter box 3 from flowing out from between the quartz sand filter box 3 and the top plate 10. The water leaks out through the gap, and then through the glass 22, the cleanliness of the activated carbon inside the activated carbon filter box 2 can be observed through the glass 22, and then through the flow meter 25, the flow meter 25 can measure the water production of the ultrafiltration membrane filter cartridge 4. At the same time, through the drain valve 26, the water outlet inside the ultrafiltration membrane filter cartridge 4 can be controlled to be opened or closed. Finally, through the protective pad 15, the protective pad 15 can protect the bottom surface of the support column 5 to prevent damage to the support column 5 when the base 1 is moved.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrafiltration membrane water pretreatment device, characterized in that: include: A base (1), an activated carbon filter box (2) is fixedly mounted on the top surface of the base (1), a quartz sand filter box (3) is fixedly mounted on the top surface of the base (1), an ultrafiltration membrane filter cartridge (4) is arranged on one side of the activated carbon filter box (2), a plurality of support columns (5) are fixedly mounted on the bottom surface of the base (1), and a water inlet pipe (18) is arranged on the top surface of the quartz sand filter box (3); A filter assembly is arranged inside the quartz sand filter box (3) and is used to filter water inside the quartz sand filter box (3) and the activated carbon filter box (2).

2. The ultrafiltration membrane water pretreatment device according to claim 1, characterized in that: The filter assembly comprises: a filter inner box (6), the filter inner box (6) being movably sleeved inside the quartz sand filter box (3), a support hole (7) being provided on one side of the filter inner box (6), a filter screen (8) being fixedly installed inside the support hole (7), a plurality of thread grooves (13) being provided on the top surface of the quartz sand filter box (3), a top plate (10) being provided on the top surface of the quartz sand filter box (3), a threaded hole (11) being provided on the top surface of the top plate (10), and an inner circular wall of the threaded hole (11) The top plate (10) is threadedly connected with a bolt (12), wherein the bolt (12) is threadedly connected to the thread groove (13), a circular through hole is opened on the top surface of the top plate (10), a first water pipe (16) is fixedly sleeved on the inner wall of the circular through hole, a pressure pump (17) is fixedly installed on the top surface of the top plate (10), a PLC controller (21) is fixedly installed on one side of the quartz sand filter box (3), a water inlet of the pressure pump (17) is fixedly sleeved with the water inlet pipe (18), and a water outlet of the pressure pump (17) is fixedly sleeved with the inner wall of the circular through hole. The first water pipe (16) is fixedly sleeved, a circular through hole is provided on one side of the quartz sand filter box (3), a second water pipe (20) is fixedly sleeved on the inner wall of the circular through hole, a circular through hole is provided on the top surface of the activated carbon filter box (2), the circular through hole and the second water pipe (20) are fixedly sleeved, a circular through hole is provided on one side of the activated carbon filter box (2), a pressure gauge (23) is fixedly sleeved on the inner wall of the circular through hole, and a third water pipe (20) is fixedly sleeved on the inner wall of the pressure gauge (23) The third water flow pipe (24) is fixedly sleeved with the water inlet on the bottom surface of the ultrafiltration membrane filter cartridge (4); a support frame (19) is fixedly installed on one side of the activated carbon filter box (2); the support frame (19) is fixedly sleeved with the ultrafiltration membrane filter cartridge (4); a sewage outlet (27) is provided on the top surface of the ultrafiltration membrane filter cartridge (4); a drainage pipe (28) is fixedly sleeved on the inner circular wall surface of the sewage outlet (27); and a clean water outlet (29) is provided on the outer circular wall surface of the ultrafiltration membrane filter cartridge (4).

3. The ultrafiltration membrane water pretreatment device according to claim 2, characterized in that: A support block (9) is fixedly sleeved inside the inner filter box (6).

4. The ultrafiltration membrane water pretreatment device according to claim 2, characterized in that: A sealing gasket (14) is provided between the quartz sand filter box (3) and the top plate (10).

5. The ultrafiltration membrane water pretreatment device according to claim 1, characterized in that: A rectangular through hole is provided on one side of the activated carbon filter box (2), and a glass (22) is fixedly installed inside the rectangular through hole.

6. The ultrafiltration membrane water pretreatment device according to claim 2, characterized in that: A flow meter (25) is fixedly sleeved on the inner circular wall surface of the purified water outlet (29).

7. The ultrafiltration membrane water pretreatment device according to claim 6, characterized in that: A drainage valve (26) is fixedly sleeved on the inner circular wall surface of the flow meter (25).

8. The ultrafiltration membrane water pretreatment device according to claim 1, characterized in that: A protective pad (15) is fixedly mounted on the bottom surface of the support column (5).

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