CN214360621U

CN214360621U - Washing waste liquid reuse device

Info

Publication number: CN214360621U
Application number: CN202120511156.1U
Authority: CN
Inventors: 刘育平; 余雷
Original assignee: Jiashan Yongjie Environmental Protection Engineering Installation Co ltd
Current assignee: Jiashan Yongjie Environmental Protection Engineering Installation Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-10-08
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a washing waste liquid recycling device, which comprises a phosphorization tank, a first washing tank, a second washing tank, a third washing tank, a filter tower and a membrane separation tank, wherein the filter tower is internally provided with a first filter chamber, a second filter chamber, a third filter chamber, an adsorption chamber and a liquid storage chamber from top to bottom in sequence, a first pipeline is connected between the first washing tank and the first filter chamber, a second pipeline is connected between the second washing tank and the second filter chamber, a third pipeline is connected between the third washing tank and the third filter chamber, water suction pumps are arranged on the first pipeline, the second pipeline and the third pipeline, a first filter screen is arranged between the first filter chamber and the second filter chamber, a second filter screen is arranged between the second filter chamber and the third filter chamber, a third filter screen is arranged between the third filter chamber and the adsorption chamber, and an adsorption chamber is internally provided with an adsorption layer group, a water inlet pipeline is connected between the liquid storage cavity and the membrane separation tank, and a membrane component is arranged in the membrane separation tank.

Description

Washing waste liquid reuse device

Technical Field

The utility model relates to a waste water reuse technical field especially relates to a washing waste liquid reuse device.

Background

The waste water is a general term of water and runoff rainwater drained in the process of activities of residents. The method comprises the steps of domestic sewage, industrial wastewater and other useless water such as primary rain water flowing into a drainage pipe canal, and generally refers to water which can not be recycled after being treated by a certain technology or can not reach a certain standard after being purified by primary pollution. China is one of the most serious countries with global water pollution, and rivers, lakes and reservoirs are affected by up to 70% of the whole country. As China becomes the fastest-growing large-scale economic entity all over the world, a plurality of chemicals discharged by various industries are increased, and some toxic and harmful organic pollutants are particularly worried about. Once discharged into the environment, these toxic and harmful substances pose a long-term threat to human health and the ecosystem.

The production process of industrial parts involves the steps of pickling, water washing and the like, and the water after water washing contains more phosphating agents. The direct treatment and discharge of the water after washing not only causes water resource waste, but also wastes unused phosphating agents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a washing waste liquid reuse device can carry out reuse with the water after washing in the washing pond, carries out cyclic utilization behind phosphating medicament and the washing water separation, improves the utilization ratio of phosphating medicament and water resource to reduce the consumption of phosphating in-process resource.

The above technical purpose of the present invention can be achieved by the following technical solutions: a device for recycling water washing waste liquid comprises a phosphorization tank, a first water washing tank, a second water washing tank, a third water washing tank, a filter tower and a membrane separation tank, wherein a first filter cavity, a second filter cavity, a third filter cavity, an adsorption cavity and a liquid storage cavity are sequentially arranged in the filter tower from top to bottom, a first pipeline is connected between the first water washing tank and the first filter cavity, a second pipeline is connected between the second water washing tank and the second filter cavity, a third pipeline is connected between the third water washing tank and the third filter cavity, water suction pumps are respectively arranged on the first pipeline, the second pipeline and the third pipeline, a first filter screen is arranged between the first filter cavity and the second filter cavity, a second filter screen is arranged between the second filter cavity and the third filter cavity, a third filter screen is arranged between the third filter cavity and the adsorption cavity, and an adsorption layer group is arranged in the adsorption cavity, a water inlet pipeline is connected between the liquid storage cavity and the membrane separation tank, a membrane assembly is arranged in the membrane separation tank, a penetrating fluid outlet and a concentrated solution outlet are arranged on the membrane separation tank, a first discharge pipe is arranged between the penetrating fluid outlet and the first washing tank, and a second discharge pipe is arranged between the concentrated solution outlet and the phosphating tank.

Through the technical scheme, the workpiece sequentially passes through the first water washing pool, the second water washing pool and the third water washing pool during water washing, so that the content of impurities in the first water washing pool is relatively maximum, and the content of impurities in the third water washing pool is minimum. The water in each washing pond respectively enters into different filter chambers when letting in the filter tower, for example in the first washing pond impurity at most so this part waste water need filter through first filter screen, second filter screen and third filter screen after entering first filter chamber, and the waste water of third washing pond only need pass through the third filter screen after entering the third filter chamber filter can to improve the filterable efficiency of waste water in each washing pond. The first discharge pipe enables the purified water to flow back to the water washing pool through the first discharge pipe for reuse, and the second discharge pipe enables the water containing a large amount of phosphating agents to be led into the phosphating pool for reuse.

The utility model discloses still further set up to: an upper partition plate and a lower partition plate are arranged in the adsorption cavity, regularly-arranged water leakage pores are formed in the upper partition plate and the lower partition plate, a filter cotton layer is arranged on the upper partition plate, and an activated carbon layer is arranged on the lower partition plate.

Through above-mentioned technical scheme, filter the cotton layer and can carry out the prefilter deodorization to waste water, the activated carbon layer can be to the absorption of the multiple foreign matter of aquatic to reach the purpose of water purification.

The utility model discloses still further set up to: the active carbon layer is a granular active carbon adsorption layer.

Through the technical scheme, the active carbon particles in the granular active carbon adsorption layer are small, the pore diffusion speed is high, and the adsorption capacity is strong.

The utility model discloses still further set up to: the lateral wall of filter tower is equipped with the collection box, the processing mouth has been seted up between collection box and the first filter chamber, the lower extreme of processing mouth and the upper surface parallel and level of first filter screen, processing mouth department is equipped with movable partition plate, the lateral wall that the collection box was kept away from to first filter chamber is equipped with the cylinder, the piston rod of cylinder stretches into first filter chamber in and its tip is equipped with the push pedal, be equipped with the linking arm between push pedal and the movable partition plate.

Through the technical scheme, the push plate enables the movable partition plates to synchronously move together through the connecting arms in the moving process. When the push pedal moved to movable partition's direction, movable partition left the processing mouth and removed to collection box one side, and the push pedal continues to push away the granule impurity on the first filter screen from the processing mouth to the collection box when removing to the processing mouth in, accomplishes the clearance to impurity on the first filter screen. In addition, when the push plate returns to the initial position under the control of the cylinder, the movable partition plate also returns to the position of the treatment port to block the treatment port, so that the waste liquid is prevented from entering the recovery box.

The utility model discloses still further set up to: and sealing strips are arranged around the edges of the movable partition plates.

Through above-mentioned technical scheme, when movable partition plate and treatment mouth coincide, the sealing strip enables to have better leakproofness between movable partition plate and the treatment mouth, prevents that waste water from flowing out in the gap of treatment mouth and movable partition plate.

The utility model discloses still further set up to: the lower end of the recovery tank is provided with a return pipe, and one end of the return pipe, which is far away from the recovery tank, is communicated to the first washing tank.

Through above-mentioned technical scheme, the waste liquid that enters into the collection box in the in-process of handling impurity can flow into first washing pond through the back flow, waits to continue to be purified.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures mean: 1. a phosphating pool; 2. a first water washing tank; 3. a second water washing tank; 4. a third water washing tank; 5. a filtration tower; 6. a membrane separation tank; 7. a first filter chamber; 8. a second filter chamber; 9. a third filter chamber; 10. a liquid storage cavity; 11. a first pipeline; 12. a second pipeline; 13. a third pipeline; 14. a water pump; 15. a first filter screen; 16. a second filter screen; 17. a third filter screen; 18. a water inlet pipeline; 19. a membrane module; 20. a first discharge pipe; 21. a second discharge pipe; 22. an upper partition plate; 23. a lower partition plate; 24. fine holes for water leakage; 25. a filter cotton layer; 26. an activated carbon layer; 27. a recycling bin; 28. a movable partition plate; 29. a cylinder; 30. pushing the plate; 31. a connecting arm; 32. a sealing strip; 33. a return pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention is explained below with reference to fig. 1.

The utility model provides a washing waste liquid reuse device, includes bonderizing pond 1, first washing pond 2, second washing pond 3 and third washing pond 4, and the work piece loops through first washing pond 2, second washing pond 3 and third washing pond 4 and washes after pickling in bonderizing pond 1, will attach to unnecessary bonderizing medicament removal on the work piece. The device also comprises a filtering tower 5 and a membrane separation tank 6, wherein the filtering tower 5 is a cuboid, and the filtering tower 5 is used for filtering solid particle impurities in the waste liquid and adsorbing organic matters possibly bred in the common waste water in the long-term use process; the membrane separation tank 6 separates the wastewater treated by the filter tower 5 into a permeate and a concentrate. The penetrating fluid is clean cleaning water and can be continuously used for washing, and the concentrated solution is a separated solution containing a high-concentration phosphating agent and can be sent into the phosphating tank 1 for continuous use.

The inside of the filter tower 5 is sequentially provided with a first filter chamber 7, a second filter chamber 8, a third filter chamber 9, an adsorption chamber and a liquid storage chamber 10 from top to bottom. A first pipeline 11 is connected between the first washing tank 2 and the first filtering cavity 7, a second pipeline 12 is connected between the second washing tank 3 and the second filtering cavity 8, and a third pipeline 13 is connected between the third washing tank 4 and the third filtering cavity 9. The first pipeline 11, the second pipeline 12 and the third pipeline 13 are all provided with a water suction pump 14, wastewater in the first water washing tank 2 can be pumped into the first filtering cavity 7 through the water suction pump 14, wastewater in the second water washing tank 3 is pumped into the second filtering cavity 8, and wastewater in the third water washing tank 4 is pumped into the third filtering cavity 9. In this embodiment, all be equipped with the solenoid valve on pipeline 11, pipeline two 12 and the pipeline three 13 to make things convenient for the staff to adjust the inflow of each filter chamber according to the actual processing condition control solenoid valve of waste water. A first filter screen 15 is arranged between the first filter cavity 7 and the second filter cavity 8, a second filter screen 16 is arranged between the second filter cavity 8 and the third filter cavity 9, and a third filter screen 17 is arranged between the third filter cavity 9 and the adsorption cavity. Because the workpiece passes through the first water washing pool 2, the second water washing pool 3 and the third water washing pool 4 in sequence during water washing, the content of impurities in the first water washing pool 2 is relatively the largest, and the content of impurities in the third water washing pool 4 is the smallest. The water in each washing tank enters into different filter cavities when passing into the filter tower 5, for example, impurities in the first washing tank 2 are the most, so the part of wastewater needs to be filtered through the first filter screen 15, the second filter screen 16 and the third filter screen 17 after entering the first filter cavity 7, and the wastewater in the third washing tank 4 only needs to be filtered through the third filter screen 17 after entering the third filter cavity 9, so that the efficiency of wastewater filtration in each washing tank is improved.

The side wall of the filtering tower 5 is provided with a recycling box 27, and the side wall of one side of the recycling box 27 is attached to the side wall of the filtering tower 5. A treatment port is formed between the recovery box 27 and the first filter cavity 7, the cross section of the treatment port is rectangular, and the lower end of the treatment port is flush with the upper surface of the first filter screen 15. The treatment opening is provided with a movable clapboard 28, the periphery of the edge of the movable clapboard 28 is provided with a sealing strip 32, and when the movable clapboard 28 is superposed with the treatment opening, the sealing strip 32 can ensure that the movable clapboard 28 and the treatment opening have better sealing performance, and prevent waste water from flowing out from the gap between the treatment opening and the movable clapboard 28. The outer side wall of the first filter cavity 7 far away from the recycling box 27 is provided with a mounting seat, the upper end of the mounting seat is provided with a cylinder 29, a piston rod of the cylinder 29 extends into the first filter cavity 7, the end part of the piston rod is provided with a push plate 30, and the piston rod of the cylinder 29 can control the push plate 30 to move in the first filter cavity 7. A connecting arm 31 is arranged between the push plate 30 and the movable clapboard 28, and the push plate 30 can enable the movable clapboard 28 to synchronously move together through the connecting arm 31 in the moving process. When the push plate 30 moves towards the movable partition plate 28, the movable partition plate 28 leaves the treatment opening and moves towards one side of the recovery box 27, and when the push plate 30 continues to move towards the treatment opening, the particle impurities on the first filter screen 15 are pushed into the recovery box 27 from the treatment opening, so that the impurities on the first filter screen 15 are cleaned. When the push plate 30 returns to the initial position under the control of the cylinder 29, the movable partition 28 also returns to the position of the treatment port to block the treatment port, thereby preventing the waste liquid from entering the recovery tank 27. A return pipe 33 is arranged at the lower end of the recovery tank 27, and one end of the return pipe 33 far away from the recovery tank 27 is communicated to the first washing tank 2. The waste liquid that has entered the recovery tank 27 during the process of treating the impurities can flow into the first washing tank 2 through the return pipe 33, waiting to be purified further.

The absorption intracavity is equipped with the absorption layer group, is equipped with baffle 22 and lower baffle 23 in the absorption intracavity, all sets up the pore 24 that leaks of regular spread on last baffle 22 and the lower baffle 23, and the waste liquid can pass through baffle 22 and lower baffle 23 through 24 pores that leak. The upper partition plate 22 is provided with a filtering cotton layer 25, and the filtering cotton layer 25 can carry out preliminary filtering and deodorization on the wastewater. The lower partition 23 is provided with an activated carbon layer 26, and the activated carbon layer 26 in this embodiment is a granular activated carbon adsorption layer. The active carbon particles in the granular active carbon adsorption layer are small, the pore diffusion speed is high, the adsorption capacity is strong, and the regeneration is easy to repeat.

Be connected with into water piping 18 between stock solution chamber 10 and the membrane separation jar 6, the water that the filter tower 5 filtration was accomplished is stored in stock solution chamber 10 to enter into the membrane separation jar 6 through into water piping 18 and carry out further purification. The membrane separation tank 6 is internally provided with a membrane module 19, and the membrane module 19 can separate water and phosphating agent in the wastewater in a molecular range. The membrane separation tank 6 is provided with a permeate discharge port for discharging purified water passed through the membrane module 19 and a concentrate discharge port for discharging water containing a large amount of a phosphating agent. A first discharge pipe 20 is arranged between the penetrating fluid discharge port and the first washing tank 2, and the first discharge pipe 20 is also communicated to the second washing tank 3 and the third washing tank 4 in the embodiment, so that the purified water flows back to the washing tanks through the first discharge pipe 20 for reuse. A second discharge pipe 21 is arranged between the concentrated solution discharge port and the phosphating tank 1, and water containing a large amount of phosphating agent is introduced into the phosphating tank 1 through the second discharge pipe 21 for reuse.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. A device for recycling water washing waste liquid comprises a phosphorization tank (1), a first water washing tank (2), a second water washing tank (3) and a third water washing tank (4), and is characterized by further comprising a filter tower (5) and a membrane separation tank (6), wherein a first filter chamber (7), a second filter chamber (8), a third filter chamber (9), an adsorption chamber and a liquid storage chamber (10) are sequentially arranged in the filter tower (5) from top to bottom, a first pipeline (11) is connected between the first water washing tank (2) and the first filter chamber (7), a second pipeline (12) is connected between the second water washing tank (3) and the second filter chamber (8), a third pipeline (13) is connected between the third water washing tank (4) and the third filter chamber (9), and water suction pumps (14) are arranged on the first pipeline (11), the second pipeline (12) and the third pipeline (13), be equipped with first filter screen (15) between first filter chamber (7) and second filter chamber (8), be equipped with second filter screen (16) between second filter chamber (8) and third filter chamber (9), be equipped with third filter screen (17) between third filter chamber (9) and the absorption chamber, be equipped with the absorption layer group in the absorption chamber, be connected with into water pipeline (18) between stock solution chamber (10) and membrane separation jar (6), be equipped with membrane module (19) in membrane separation jar (6), be equipped with penetrant discharge port and concentrate discharge port on membrane separation jar (6), be equipped with discharge pipe (20) between penetrant discharge port and first rinsing pond (2), be equipped with discharge pipe two (21) between concentrate discharge port and bonderizing pond (1).

2. The apparatus for recycling waste washing liquid as claimed in claim 1, wherein: an upper partition plate (22) and a lower partition plate (23) are arranged in the adsorption cavity, water leakage pores (24) which are regularly arranged are formed in the upper partition plate (22) and the lower partition plate (23), a filter cotton layer (25) is arranged on the upper partition plate (22), and an activated carbon layer (26) is arranged on the lower partition plate (23).

3. The apparatus for recycling waste water from washing according to claim 2, wherein: the active carbon layer (26) is a granular active carbon adsorption layer.

4. The apparatus for recycling waste washing liquid as claimed in claim 1, wherein: the lateral wall of filter tower (5) is equipped with collection box (27), the processing mouth has been seted up between collection box (27) and first filter chamber (7), the lower extreme of processing mouth and the upper surface parallel and level of first filter screen (15), processing mouth department is equipped with movable partition plate (28), the lateral wall that collection box (27) were kept away from in first filter chamber (7) is equipped with cylinder (29), the piston rod of cylinder (29) stretches into in first filter chamber (7) and its tip is equipped with push pedal (30), be equipped with linking arm (31) between push pedal (30) and movable partition plate (28).

5. The apparatus for recycling waste washing liquid as claimed in claim 4, wherein: and sealing strips (32) are arranged around the edge of the movable partition plate (28).

6. The apparatus for recycling waste washing liquid as claimed in claim 4, wherein: a return pipe (33) is arranged at the lower end of the recovery tank (27), and one end, far away from the recovery tank (27), of the return pipe (33) is communicated to the first water washing pool (2).