Coating wastewater recovery device
By using multiple lightweight polyurethane filter plates and a bump vibration design, the problem of incomplete solid-liquid separation in the paint wastewater recycling device is solved, achieving a highly efficient solid-liquid separation effect and meeting environmental protection requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-24
AI Technical Summary
In existing paint wastewater recovery devices, residual wastewater remains inside the solid waste during the solid-liquid separation process, resulting in poor separation efficiency and failing to meet environmental protection requirements.
It adopts a multi-filter plate structure, with the filter plates made of lightweight polyurethane material and having a slight elasticity. The solid waste is filtered and separated multiple times through the vibration of the bumps, and the solid waste is automatically slid by the inclined structure and chain drive. Combined with the vibration of the bumps and the scraping of the filter screen, the solid and liquid are completely separated.
It improves the solid-liquid separation effect, ensures that residual wastewater in solid waste is reduced, achieves efficient and thorough solid-liquid separation, and meets environmental protection requirements.
Smart Images

Figure CN224024506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater recovery technical field, concretely is a kind of coating wastewater recovery device. BACKGROUND
[0002] Paper is the product commonly used in daily life, and the paper types used for different purposes are different. In the papermaking process, coating is an indispensable component. The main function of paper coating is to improve the smoothness and gloss of paper, enhance the printability of paper and improve the durability of paper.
[0003] Coating wastewater refers to the wastewater discharged in the production process of resin, varnish and color paint. Wastewater treatment is to treat wastewater by physical, chemical and biological methods to purify wastewater and reduce pollution, so as to achieve wastewater recycling and reuse and fully utilize water resources.
[0004] In the field of coating wastewater treatment, such wastewater usually contains a large amount of solid waste and liquid impurities. At present, a filter plate is generally used to separate the two, i.e. the solid waste accumulates on the filter plate, and then is treated after reaching a certain accumulation amount. However, this traditional separation mode has significant drawbacks. As the solid waste continuously accumulates on the filter plate, a large amount of wastewater is retained and accumulated inside, which makes it difficult to efficiently and fully separate the wastewater from the solid waste, and ultimately leads to poor overall separation effect, which cannot meet the increasingly improved environmental protection requirements. UTILITY MODEL CONTENT
[0005] The utility model aims to provide a coating wastewater recovery device to solve the problem of wastewater existing in the solid waste separated by the coating wastewater recovery device on the market.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coating wastewater recovery device, comprising a moving groove and a filter plate. The moving groove is arranged inside a recovery tank. The filter plate is arranged inside the moving groove. A water inlet pipe is arranged on the top of one side of the recovery tank. A water outlet pipe is arranged on the bottom of the other side of the recovery tank. A plurality of protrusions are arranged on the inner wall of the side of the moving groove close to the water outlet pipe.
[0007] Preferably, a bearing groove is arranged inside the recovery tank. A sealing door is clamped at the opening position of the bearing groove. The sealing door is connected with the recovery tank by screws. A discharge port is arranged on the upper side wall between the bearing groove and the moving groove.
[0008] Preferably, a placing groove is arranged on each of the front and rear sides of the recovery tank. A chain is arranged inside the placing groove. The outer link of the chain away from the placing groove is fixedly installed at the middle position of the filter plate.
[0009] Preferably, the filter plate is close to the side of the bearing groove and the moving groove is close to the side of the bearing groove, and the filter plate is far away from the side of the bearing groove and the moving groove is far away from the side of the bearing groove.
[0010] Preferably, the convex block is in contact with both sides of the filter plate, and the water outlet pipe and the water inlet pipe are both open to the moving groove.
[0011] Preferably, the water outlet pipe is provided with a filter screen near one end of the moving groove, both sides of the filter plate are "V" structures, and the filter plate is a grid.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] Through the setting of multiple filter plates, the paint wastewater is filtered and separated multiple times, so that the overall separation effect is greatly improved. Meanwhile, the filter plate is provided in an inclined structure, the solid waste accumulated on the filter plate automatically slides through its own weight, the multiple convex blocks vibrate the filter plate during the upward movement of the filter plate, the vibration of the filter plate makes the wastewater remaining on the surface of the solid waste above fall down, so that the solid-liquid separation is more complete, and the multiple filter plates are provided to uniformly distribute the solid waste, so that the solid waste accumulated on the filter plate is not left too much, and the excessive accumulation of the solid waste does not affect the solid-liquid separation effect. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0015] Figure 2 It is a structure schematic diagram of the utility model after the sealing door is disassembled;
[0016] Figure 3 It is a convex block structure schematic diagram of the utility model;
[0017] Figure 4 It is a main section structure schematic diagram of the utility model recycling box;
[0018] Figure 5 It is a placement groove structure schematic diagram of the utility model.
[0019] In the drawing: 1, recycling box; 2, sealing door; 3, water inlet pipe; 4, water outlet pipe; 5, discharge port; 6, bearing groove; 7, moving groove; 8, filter plate; 9, convex block; 10, chain; 11, placement groove. DETAILED DESCRIPTION
[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0021] Please refer to Figures 1-5 The present application provides the following technical solutions:
[0022] The recovery device of paint wastewater comprises a moving groove 7 and a filter plate 8, the moving groove 7 is arranged in the recovery box 1, the filter plate 8 is arranged in the moving groove 7, a water inlet pipe 3 is arranged on the top of one side of the recovery box 1, a water outlet pipe 4 is arranged on the bottom of the other side of the recovery box 1, a plurality of protrusions 9 are arranged on the inner wall of one side of the moving groove 7 close to the water outlet pipe 4, the filter plate 8 is in a grid shape, the filter plate 8 is made of lightweight polyurethane material, and the lightweight polyurethane has slight elasticity.
[0023] When the filter plate 8 is in contact with the protrusions 9 during upward movement, the protrusions 9 are in contact with the side edges of the filter plate 8, the filter plate 8 has slight elasticity due to the special material, the protrusions 9 act on the filter plate 8, the filter plate 8 moves upward and passes through the protrusions 9 to vibrate the filter plate 8, the vibration of the filter plate 8 causes the water remaining on the particle waste carried on the top of the filter plate 8 to vibrate down, the residual amount of the waste on the particle waste is reduced, and the separation of the solid and the liquid is more clean.
[0024] The recovery box 1 is internally provided with a bearing groove 6, the bearing groove 6 is provided with a sealing door 2 at an opening position, the sealing door 2 is connected with the recovery box 1 through screws, and a discharge port 5 is arranged on the upper side wall between the bearing groove 6 and the moving groove 7.
[0025] The filter plate 8 is inclined to the discharge port 5, when the filter plate 8 moves to the position of the discharge port 5, the solid particles roll to one side of the discharge port 5 due to their own weight, roll through the discharge port 5 and fall into the bearing groove 6, and when the solid particles accumulated in the bearing groove 6 reach a certain amount, the solid waste can be taken out after the sealing door 2 is disassembled.
[0026] The recovery box 1 is internally provided with a bearing groove 6, the bearing groove 6 is provided with a sealing door 2 at an opening position, the sealing door 2 is connected with the recovery box 1 through screws, and a discharge port 5 is arranged on the upper side wall between the bearing groove 6 and the moving groove 7.
[0027] The coating wastewater enters into the moving groove 7 through the water inlet pipe 3, and flows downward through the filter plate 8 due to the arrangement of the filter plate 8, and flows into the next treatment equipment through the water outlet pipe 4, and is filtered by multiple filter plates 8, so that the particle waste in the coating wastewater is filtered multiple times, and when the accumulated amount of the particle waste carried on the filter plate 8 can push the filter plate 8 to move downward, the multiple filter plates 8 are moved through the arrangement of the chain 10.
[0028] The convex block 9 is in contact with both sides of the filter plate 8, and the opening positions of the water outlet pipe 4 and the water inlet pipe 3 are communicated with the moving groove 7.
[0029] The water outlet pipe 4 is provided with a filter screen near one end of the moving groove 7, and both sides of the filter plate 8 are provided with a "V" structure.
[0030] When the filter plate 8 moves and is in contact with the filter screen, the filter plate 8 scrapes the particle waste on the surface of the filter screen, water flows through the water outlet pipe 4, and the particle waste is pushed upward through the filter plate 8, so that the water and the particle waste in the wastewater are separated.
[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A paint wastewater recovery device comprising a moving groove (7) and a filter plate (8), the moving groove (7) being formed inside a recovery tank (1), and the filter plate (8) being located inside the moving groove (7), characterized in that, The water inlet pipe (3) is installed on the top of the side of the recycling box (1), the water outlet pipe (4) is installed on the bottom of the other side of the recycling box (1), and the plurality of protrusions (9) are installed on the inner wall of the moving groove (7) near the water outlet pipe (4).
2. A paint waste recovery device according to claim 1, characterised in that: The bearing groove (6) is arranged in the recycling box (1), the sealing door (2) is clamped on the opening position of the bearing groove (6), the sealing door (2) is connected with the recycling box (1) through screws, and the discharge port (5) is arranged on the upper side wall between the bearing groove (6) and the moving groove (7).
3. A paint waste recovery device according to claim 1, characterised in that: The placing grooves (11) are arranged on the front and rear sides of the recycling box (1), the chain (10) is arranged in the placing groove (11), and the outer link of the chain (10) is fixedly installed on the middle position of the side, away from the placing groove (11), of the filter plate (8).
4. A paint waste recovery apparatus as claimed in claim 3, wherein: The side, close to the bearing groove (6), of the filter plate (8) is attached to the side, close to the bearing groove (6), of the moving groove (7), and the side, away from the bearing groove (6), of the filter plate (8) is attached to the side, away from the bearing groove (6), of the moving groove (7).
5. The paint waste recovery device of claim 1, wherein: The protrusions (9) are in contact with the two sides of the filter plate (8), and the opening positions of the water outlet pipe (4) and the water inlet pipe (3) are communicated with the moving groove (7).
6. A paint waste recovery device according to claim 3, characterised in that: The filter screen is arranged on the end, close to the moving groove (7), of the water outlet pipe (4), the two sides of the filter plate (8) are "V" structures, and the filter plate (8) is a grid.