Waste liquid purification device for acrylic coating

Abstract

The utility model discloses a waste liquid purification device for acrylic coating, which belongs to the technical field of waste liquid purification equipment and comprises a disinfection tank, a flocculation tank mounted on one side of the disinfection tank, a sedimentation tank mounted on one side of the flocculation tank, a discharge tank mounted on one side of the sedimentation tank, and a water injection pipe fixedly connected to the other side of the disinfection tank. A filter plate positioned below the water injection pipe is mounted on the inner side of the disinfection tank. Waste liquid enters the disinfection tank, solid impurities in the waste liquid are filtered out, a sodium hypochlorite solution is introduced into the disinfection mechanism so that the waste liquid can be disinfected and deodorized, the waste liquid enters the flocculation tank through a first through hole through the arrangement of the flocculation tank and the sedimentation tank, and a polyaluminum chloride solution is introduced into the flocculation tank through the flocculation mechanism so that the waste liquid can be purified. A motor drives a stirrer to uniformly stir and then enters a sedimentation tank through a second through hole, flocculated colloid sinks to the bottom of the tank, and when the colloid is accumulated to a certain amount, a blow-off pipe is opened, a first electric telescopic rod is started to push a push plate, and colloid impurities are discharged.

Description

Technical Field

[0001] The utility model relates to a waste liquid purification device, in particular to a waste liquid purification device for acrylic paint, and belongs to the technical field of waste liquid purification equipment. Background Art

[0002] In the production process of the coatings industry, especially in the production process of acrylic coatings, it is inevitable that a certain amount of waste materials will remain, such as suspended matter and pigments in the waste liquid, as well as solid matter, salts, olefinic acid raw materials and heavy metals; how to effectively remove these substances has become a technical problem that needs to be urgently solved in the coatings industry. According to a Chinese utility model patent (application number: 201922294710.0), a waste liquid purification device for acrylic paint is disclosed, comprising a bottom plate, a sedimentation tank is provided on one side above the bottom plate, and a discharge bin is installed on the other side above the bottom plate through a support leg, a disinfection bin is provided on the top of the discharge bin, and an adsorption bin is provided on the top of the disinfection bin, a filter funnel is installed above the inside of the adsorption bin, and an adsorption tank is installed below the inside of the adsorption bin through a mounting plate, a guide plate is connected between the top of the adsorption tank and the inner wall of the adsorption bin, and an adsorbent is provided inside the adsorption tank; the utility model uses multi-step processing to first discharge the waste liquid into a sedimentation tank to wait for sedimentation, and then discharge it into the adsorption bin, remove metal ions and particulate matter in the water through filtration and multiple adsorption, and then discharge it into the disinfection bin, due to the action of the electromagnetic current limiting valve, the waste liquid slowly passes through the spiral winding tube, and the ultraviolet rays of the ultraviolet lamp tube and the microwave action of the microwave magnetron effectively kill germs and degrade organic matter.

[0003] However, the device still has the following problems: the device cannot effectively remove the odor in the waste liquid. In addition, the device directly draws the flocculant into the filter funnel for filtration after using it. The flocculated colloid easily blocks the mesh and cannot be effectively treated.

[0004] The utility model proposes a new solution to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to solve the problem that the above-mentioned device cannot effectively remove the odor in the waste liquid, and the above-mentioned device uses flocculants and directly draws them into the filter funnel for filtration, and the flocculated colloids are easy to clog the mesh and cannot be effectively treated, and to provide a waste liquid purification device for acrylic paint.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A waste liquid purification device for acrylic paint, comprising a disinfection tank, a flocculation tank is installed on one side of the disinfection tank, a sedimentation tank is installed on one side of the flocculation tank, a discharge tank is installed on one side of the sedimentation tank, a water injection pipe is fixedly connected to the other side of the disinfection tank, a filter plate located below the water injection pipe is installed on the inner side of the disinfection tank, a disinfection mechanism is fixedly installed on the outer wall of the disinfection tank, a motor is fixedly installed on the top of the flocculation tank, an output end of the motor is connected to a stirrer located inside the flocculation tank, and a flocculation machine is fixedly installed on the outer wall of the flocculation tank A structure, a first electric telescopic rod is fixedly installed on one side of the sedimentation tank, the output end of the first electric telescopic rod is connected to a push plate located on the inner side of the sedimentation tank, a secondary disinfection mechanism is installed on the outer wall of the discharge tank, a drain pipe is fixedly connected to the side wall of the discharge tank, a first through hole is opened between the disinfection tank and the flocculation tank, a second through hole is opened between the flocculation tank and the sedimentation tank, a third through hole is opened between the sedimentation tank and the discharge tank, a sewage pipe is fixedly connected to the outer wall of the sedimentation tank, and an opening and closing mechanism is installed on one side of the third through hole.

[0008] Preferably, the disinfection mechanism, the flocculation mechanism and the secondary disinfection mechanism all include a storage tank and a metering pump located on the top of the storage tank, and the output end of the metering pump is connected to a water pipe.

[0009] Preferably, sodium hypochlorite, polyaluminium chloride and sodium hypochlorite are respectively placed in the storage tanks of the disinfection mechanism, the flocculation mechanism and the secondary disinfection mechanism.

[0010] Preferably, the inner side of the disinfection tank is divided into a filter chamber and a mixing chamber by a partition plate, a shelf is fixedly connected to the inner wall of the filter chamber, and a water-permeable hole is provided between the bottom end of the partition plate and the bottom plate of the disinfection tank.

[0011] Preferably, rotating columns are symmetrically connected to the front and rear outer walls of the disinfection tank, and a second electric telescopic rod is rotatably connected to the outer side of the rotating column.

[0012] Preferably, the output end of the second electric telescopic rod is connected to a connecting plate located at the top of the disinfection tank, and the bottom of the connecting plate is fixedly connected to a connecting rod located inside the disinfection tank and fixedly connected to the filter plate.

[0013] Preferably, a filter screen is installed inside the first through hole.

[0014] Preferably, a downpipe is fixedly connected to the outer walls of the disinfection tank and the flocculation tank.

[0015] Preferably, the inner wall of the discharge pool is fixedly connected with limit plates located on both sides of the third through hole, and the top of the discharge pool is fixedly connected with a threaded lifting frame.

[0016] Preferably, the opening and closing mechanism includes a threaded rod threadedly connected to the inner side of the threaded lifting frame, an opening and closing plate slidably matched with the limit plate is rotatably installed at the bottom of the threaded rod, and a threaded sleeve threadedly connected to the opening and closing plate is sleeved on the outer side of the threaded rod.

[0017] The beneficial technical effect of the utility model is as follows: according to the waste liquid purification device of acrylic paint of the utility model, through the setting of the disinfection tank, the flocculation tank, the sedimentation tank and the discharge tank, the waste liquid enters the disinfection tank to filter out the solid impurities therein, the disinfection mechanism passes the sodium hypochlorite solution to disinfect and remove the odor of the waste liquid, through the setting of the flocculation tank and the sedimentation tank, the waste liquid enters the flocculation tank through the first through hole, the flocculation mechanism passes the polyaluminum chloride solution therein, after being stirred evenly by the motor-driven agitator, the waste liquid enters the sedimentation tank through the second through hole, the flocculated colloid sinks to the bottom of the tank, and when it accumulates to a certain amount, the sewage pipe is opened, the first electric telescopic rod is started to push the push plate, and the colloidal impurities are discharged without affecting the subsequent work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided by the utility model;

[0019] Figure 2 A schematic diagram of the structure of a disinfection pool according to a preferred embodiment of the utility model;

[0020] Figure 3 A schematic diagram of filter plate connection according to a preferred embodiment of the utility model;

[0021] Figure 4 A schematic diagram of the structure of a flocculation tank according to a preferred embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the structure of a discharge pool according to a preferred embodiment of the utility model;

[0023] Figure 6 The utility model is provided according to a preferred embodiment of the opening and closing plate structure schematic diagram.

[0024] In the figure: 1. disinfection tank; 2. flocculation tank; 3. sedimentation tank; 4. discharge tank; 5. water injection pipe; 6. filter plate; 7. disinfection mechanism; 8. motor; 9. stirrer; 10. flocculation mechanism; 11. first electric telescopic rod; 12. push plate; 13. secondary disinfection mechanism; 14. storage tank; 15. metering pump; 16. water pipe; 101. partition plate; 102. filter chamber; 103. mixing chamber; 104. shelf ; 105, water permeable hole; 106, rotating column; 17, drainage pipe; 18, second electric telescopic rod; 19, connecting plate; 20, connecting rod; 21, first through hole; 22, second through hole; 23, third through hole; 24, filter screen; 25, sewage pipe; 26, lower drainage pipe; 27, opening and closing mechanism; 401, limiting plate; 402, threaded lifting frame; 271, threaded rod; 272, opening and closing plate; 273, threaded sleeve. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0026] like Figure 1-Figure 6 As shown, the waste liquid purification device of acrylic paint provided in this embodiment includes a disinfection tank 1, a flocculation tank 2 is installed on one side of the disinfection tank 1, a sedimentation tank 3 is installed on one side of the flocculation tank 2, a discharge tank 4 is installed on one side of the sedimentation tank 3, a water injection pipe 5 is fixedly connected to the other side of the disinfection tank 1, a filter plate 6 located below the water injection pipe 5 is installed on the inner side of the disinfection tank 1, a disinfection mechanism 7 is fixedly installed on the outer wall of the disinfection tank 1, a motor 8 is fixedly installed on the top of the flocculation tank 2, an output end of the motor 8 is connected to a stirrer 9 located on the inner side of the flocculation tank 2, and a flocculation mechanism 1 is fixedly installed on the outer wall of the flocculation tank 2. 0, a first electric telescopic rod 11 is fixedly installed on one side of the sedimentation tank 3, and the output end of the first electric telescopic rod 11 is connected to a push plate 12 located on the inner side of the sedimentation tank 3, a secondary disinfection mechanism 13 is installed on the outer wall of the discharge tank 4, a drain pipe 17 is fixedly connected to the side wall of the discharge tank 4, a first through hole 21 is opened between the disinfection tank 1 and the flocculation tank 2, a second through hole 22 is opened between the flocculation tank 2 and the sedimentation tank 3, a third through hole 23 is opened between the sedimentation tank 3 and the discharge tank 4, a sewage pipe 25 is fixedly connected to the outer wall of the sedimentation tank 3, and an opening and closing mechanism 27 is installed on one side of the third through hole 23.

[0027] Through the arrangement of the disinfection tank 1, the flocculation tank 2, the sedimentation tank 3 and the discharge tank 4, the waste liquid enters the disinfection tank 1 to filter out the solid impurities therein, and the disinfection mechanism 7 passes the sodium hypochlorite solution to disinfect and remove the odor of the waste liquid. Through the arrangement of the flocculation tank 2 and the sedimentation tank 3, the waste liquid enters the flocculation tank 2 through the first through hole 21, and the flocculation mechanism 10 passes the polyaluminum chloride solution therein, and after the agitator 9 is driven by the motor 8 to stir evenly, it enters the sedimentation tank 3 through the second through hole 22, and the flocculated colloid sinks to the bottom of the tank. When a certain amount is accumulated, the sewage pipe 25 is opened, and the first electric telescopic rod 11 is started to push the push plate 12 to discharge the colloidal impurities without affecting the subsequent work.

[0028] In this embodiment, if Figure 2 , Figure 4 and Figure 5 As shown, the disinfection mechanism 7, the flocculation mechanism 10 and the secondary disinfection mechanism 13 all include a storage tank 14 and a metering pump 15 located at the top of the storage tank 14. The output end of the metering pump 15 is connected to a water pipe 16. Sodium hypochlorite, polyaluminium chloride and sodium hypochlorite are respectively placed in the storage tanks 14 of the disinfection mechanism 7, the flocculation mechanism 10 and the secondary disinfection mechanism 13. The waste liquid water body is initially disinfected and deodorized by the sodium hypochlorite in the disinfection mechanism 7, the polyaluminium chloride in the flocculation mechanism 10 is mixed with the waste liquid for flocculation and precipitation, and the flocculated water body is secondarily disinfected and deodorized by the sodium hypochlorite in the secondary disinfection mechanism 13.

[0029] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the inner side of the disinfection tank 1 is divided into a filter chamber 102 and a mixing chamber 103 by a partition plate 101, a shelf 104 is fixedly connected to the inner wall of the filter chamber 102, and a water-permeable hole 105 is provided between the bottom end of the partition plate 101 and the bottom plate of the disinfection tank 1. Through the arrangement of the filter chamber 102 and the mixing chamber 103, the filter plate 6 is placed on the top of the shelf 104 to filter the suspended debris in the waste liquid, and the filtered waste liquid is mixed with sodium hypochlorite and enters the mixing chamber 103 through the water-permeable hole 105 for disinfection.

[0030] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, a rotating column 106 is symmetrically connected to the front and rear outer walls of the disinfection tank 1, and a second electric telescopic rod 18 is rotatably connected to the outer side of the rotating column 106. The output end of the second electric telescopic rod 18 is connected to a connecting plate 19 located at the top of the disinfection tank 1, and the bottom of the connecting plate 19 is fixedly connected to a connecting rod 20 located at the inner side of the disinfection tank 1 and fixedly connected to the filter plate 6. The filter plate 6 is driven to rise to the top of the disinfection tank 1 by the second electric telescopic rod 18, and the second electric telescopic rod 18 is manually rotated to tilt the filter plate 6, so that impurities on the filter plate 6 are removed.

[0031] In this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, a filter screen 24 is installed inside the first through hole 21, and a lower drain pipe 26 is fixedly connected to the outer wall of the disinfection tank 1 and the flocculation tank 2. The filter screen 24 is provided to further filter impurities in the waste liquid, and the lower drain pipe 26 is used to remove impurities that sink to the bottom of the disinfection tank 1 and the flocculation tank 2.

[0032] In this embodiment, if Figure 1 , Figure 5 and Figure 6 As shown, the inner wall of the discharge pool 4 is fixedly connected with the limit plates 401 located on both sides of the third through hole 23, the top of the discharge pool 4 is fixedly connected with the threaded lifting frame 402, the opening and closing mechanism 27 includes a threaded rod 271 threadedly connected to the inner side of the threaded lifting frame 402, the bottom of the threaded rod 271 is rotatably mounted with an opening and closing plate 272 that is slidably matched with the limit plates 401, and the outer side of the threaded rod 271 is sleeved with a threaded sleeve 273 that is threadedly connected with the opening and closing plate 272. Through the setting of the opening and closing mechanism 27, rotating the threaded rod 271 can drive the opening and closing plate 272 to move up and down, thereby controlling the opening and closing degree of the third through hole 23, thereby controlling the water volume.

[0033] In this embodiment, if Figure 1-Figure 6 As shown, the working process of the waste liquid purification device of acrylic paint provided in this embodiment is as follows:

[0034] Step 1: Connect the waste liquid pipe to the water injection pipe 5, the waste liquid enters the filter chamber 102, passes through the filter plate 6 and then enters the mixing chamber 103, and at the same time, the disinfection mechanism 7 introduces sodium hypochlorite for disinfection and deodorization, and then the waste liquid enters the flocculation tank 2 through the first through hole 21, and the flocculation mechanism 10 introduces polyaluminium chloride therein, and the motor 8 drives the stirrer 9 to stir evenly and then enters the sedimentation tank 3 through the second through hole 22, and the flocculated colloid sinks to the bottom of the tank, and the excess water enters the discharge tank 4 through the third through hole 23, and at this time, the secondary disinfection mechanism 13 introduces sodium hypochlorite into the water for secondary disinfection and deodorization, and then the water is discharged through the drain pipe 17;

[0035] Step 2: Start the second electric telescopic rod 18 to drive the filter plate 6 to rise to the top of the disinfection tank 1, manually rotate the second electric telescopic rod 18 to tilt the filter plate 6, and remove impurities on the filter plate 6.

[0036] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A waste liquid purification device for acrylic paint, characterized in that: The invention comprises a disinfection tank (1), a flocculation tank (2) is installed on one side of the disinfection tank (1), a sedimentation tank (3) is installed on one side of the flocculation tank (2), a discharge tank (4) is installed on one side of the sedimentation tank (3), a water injection pipe (5) is fixedly connected to the other side of the disinfection tank (1), a filter plate (6) located below the water injection pipe (5) is installed on the inner side of the disinfection tank (1), a disinfection mechanism (7) is fixedly installed on the outer wall of the disinfection tank (1), a motor (8) is fixedly installed on the top of the flocculation tank (2), the output end of the motor (8) is connected to a stirrer (9) located on the inner side of the flocculation tank (2), a flocculation mechanism (10) is fixedly installed on the outer wall of the flocculation tank (2), and a filter plate (6) located below the water injection pipe (5) is installed on the inner side of the disinfection tank (1). A first electric telescopic rod (11) is fixedly installed, the output end of the first electric telescopic rod (11) is connected to a push plate (12) located inside the sedimentation tank (3), a secondary disinfection mechanism (13) is installed on the outer wall of the discharge tank (4), a drainage pipe (17) is fixedly connected to the side wall of the discharge tank (4), a first through hole (21) is opened between the disinfection tank (1) and the flocculation tank (2), a second through hole (22) is opened between the flocculation tank (2) and the sedimentation tank (3), a third through hole (23) is opened between the sedimentation tank (3) and the discharge tank (4), a sewage pipe (25) is fixedly connected to the outer wall of the sedimentation tank (3), and an opening and closing mechanism (27) is installed on one side of the third through hole (23).

2. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: The disinfection mechanism (7), the flocculation mechanism (10) and the secondary disinfection mechanism (13) all comprise a storage tank (14) and a metering pump (15) located on the top of the storage tank (14), and the output end of the metering pump (15) is connected to a water pipe (16).

3. A waste liquid purification device for acrylic paint according to claim 2, characterized in that: Sodium hypochlorite, polyaluminium chloride and sodium hypochlorite are respectively placed in the disinfection mechanism (7), the flocculation mechanism (10) and the storage tank (14) of the secondary disinfection mechanism (13).

4. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: The inner side of the disinfection tank (1) is divided into a filter chamber (102) and a mixing chamber (103) by a partition plate (101), a shelf (104) is fixedly connected to the inner wall of the filter chamber (102), and a water-permeable hole (105) is provided between the bottom end of the partition plate (101) and the bottom plate of the disinfection tank (1).

5. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: Rotating columns (106) are symmetrically connected to the front and rear outer walls of the disinfection tank (1), and a second electric telescopic rod (18) is rotatably connected to the outer side of the rotating column (106).

6. The waste liquid purification device for acrylic paint according to claim 5, characterized in that: The output end of the second electric telescopic rod (18) is connected to a connecting plate (19) located at the top of the disinfection tank (1), and the bottom of the connecting plate (19) is fixedly connected to a connecting rod (20) located inside the disinfection tank (1) and fixedly connected to the filter plate (6).

7. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: A filter screen (24) is installed inside the first through hole (21).

8. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: A lower discharge pipe (26) is fixedly connected to the outer walls of the disinfection tank (1) and the flocculation tank (2).

9. The waste liquid purification device for acrylic paint according to claim 1, characterized in that: The inner wall of the discharge pool (4) is fixedly connected with limit plates (401) located on both sides of the third through hole (23), and the top of the discharge pool (4) is fixedly connected with a threaded lifting frame (402).

10. The acrylic paint waste liquid purification device according to claim 9, characterized in that: The opening and closing mechanism (27) comprises a threaded rod (271) threadedly connected to the inner side of the threaded lifting frame (402); an opening and closing plate (272) slidably matched with the limiting plate (401) is rotatably mounted at the bottom of the threaded rod (271); and a threaded sleeve (273) threadedly connected to the opening and closing plate (272) is sleeved on the outer side of the threaded rod (271).

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