Efficient circulating filtering device for water-based paint production

Abstract

The utility model discloses an efficient circulating filtration device for water-based paint production, and relates to the technical field of water-based paint filtration, the efficient circulating filtration device comprises a mounting plate and a filter vat, one end of the filter vat is provided with a circulating filtration mounting assembly, and a motor drives a stirring auger to rotate to enable a precipitator to fully react with water-based paint. The first diaphragm valve can improve the conveying work of the conveying pipe on the water-based paint, the arranged first flow meter accurately measures the flow of the water-based paint conveyed by the conveying pipe without being affected by the fluid temperature, pressure, density and viscosity, and the circulating pump can circularly filter the filtered water-based paint through the circulating water outlet pipe and the circulating water inlet pipe. The check valve ensures that the fluid does not flow back to the inlet of the pump when the circulating pump stops working or the system pressure is reduced, so that the circulating pump can be protected from being damaged by reverse flow, the protection effect is improved, and the second flowmeter and the second diaphragm valve realize the flow accuracy of the water-based paint in the circulating filtration work and prevent the fluid from flowing back.

Description

TECHNICAL FIELD

[0001] The utility model relates to water -based paint filtering technical field especially relates to a high -efficient circulating filter device for water -based paint production. BACKGROUND

[0002] In the prior art related technical scheme, since the paint is mixed with impurities and particles, before the paint is used, the paint needs to be filtered first, so that when the paint is filtered, the particles and impurities accumulate at the filter port, affecting the paint filtration, and the accumulated impurities and particles also affect the service life of the filter device to some extent.

[0003] In the patent with publication number CN115364547B, a high -efficient circulating filter device for paint production is provided, which includes a feeding part, a circulating tank, a filter table, a second rack, a second gear, a first gear, a first rack, an elastic part, a scraper, a positioning rod, a blade, a rotating rod, a track groove, a filter box and a circulating pump. The motor drives the rotating rod to rotate, the first gear and the second gear on the rotating rod drive the first rack and the second rack engaged with them to move, the first connecting plate and the second connecting plate drive the scraper on the fixed plate to move on the filter plate, so that the scraper removes the impurities and particles filtered on the filter plate, thereby avoiding the accumulation of impurities in the paint on the filter plate, affecting the paint filtration efficiency, and to some extent, ensuring the service life of the device. The blade on the rotating rod is used in cooperation with the scraper to make the impurities and particles in the filter table more efficient, further reducing the problem of blockage of the discharge port caused by the accumulation of impurities and particles, and making the filter box more efficient. However, the following problems still exist in the patent:

[0004] The above-mentioned water-based paint cannot be effectively treated when filtering the water-based paint, resulting in poor filtering effect. Since the water-based paint may contain corrosive components, the traditional equipment is easily corroded, affecting the service life. The traditional flow measurement and control equipment may be affected by fluid temperature, pressure, density and viscosity, resulting in inaccurate flow control. When the pump stops working or the system pressure decreases, there is a lack of effective anti-backflow measures, which may cause damage to the pump.

[0005] In view of the above problems, a high -efficient circulating filter device for water -based paint production is needed to overcome the above -mentioned problems. Utility model content

[0006] The main purpose of the utility model is to provide a high -efficient circulating filter device for water -based paint production, which can effectively solve the problems in the background art.

[0007] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0008] The utility model provides a high -efficient circulating filter device for water -based paint production, including the mounting panel, the filter bucket, one end of the top of mounting panel is installed the filter bucket, one end of filter bucket is provided with circulating filter installation assembly,

[0009] Circulating filter installation assembly includes the filter pipeline setting in one end of filter bucket, both ends of filter pipeline outer wall are installed the sealed joint sleeve, both ends in filter pipeline are installed the filter screen, the one end of filter pipeline is installed the conveying elbow away from filter bucket, the top of conveying elbow is installed the pipeline connector, the one end of pipeline connector is installed the conveying pipe away from conveying elbow, one end of conveying pipe outer wall is provided with first diaphragm valve, the one end of pipeline connector is installed circulating inlet pipe away from conveying pipe, the one end of circulating inlet pipe is installed circulating pump away from pipeline connector, the top of circulating pump is provided with the connecting pipe, the top of connecting pipe is provided with check valve, one end of check valve is installed circulating connecting pipe, the one end of circulating connecting pipe outer wall is provided with second flowmeter away from check valve, one end of circulating connecting pipe is provided with second diaphragm valve, the one end of circulating connecting pipe is provided with circulating outlet pipe close to second diaphragm valve.

[0010] As the preferred scheme of the utility model, one end of the top of the mounting plate close to the filter bucket is installed with a reagent cylinder, one end of the reagent cylinder is installed with an anti-corrosion conveying pipe, the top of the filter bucket is installed with a sealing cover, the top of the sealing cover is provided with a motor, the bottom of the motor is installed with a stirring auger penetrating through the top of the filter bucket, one end of the top of the mounting plate away from the filter bucket is installed with a support frame, the inner side of the support frame is installed with a circulating barrel.

[0011] As the preferred scheme of the utility model, the filter barrel is rotatably connected with the filter pipeline, both of the sealing connection sleeves are sleeved on both ends of the outer wall of the filter pipeline, and both of the filter screens are in contact with the inner part of the filter pipeline.

[0012] As the preferred scheme of the utility model, the filter pipeline is threadedly fixedly connected with the conveying elbow, the conveying elbow is rotatably connected with the pipeline connector, and the pipeline connector is threadedly fixedly connected with the conveying pipe.

[0013] As the preferred scheme of the utility model, the conveying pipe is rotatably connected with the first diaphragm valve, and one end of the conveying pipe away from the pipeline connector is threadedly fixedly connected with one end of the circulating barrel.

[0014] As the preferred scheme of the utility model, the pipeline connecting piece is fixedly connected with the circulating water inlet pipe, the circulating water inlet pipe is fixedly connected with the circulating pump, the circulating pump is rotatably connected with the connecting pipe, and the connecting pipe is rotatably connected with the check valve.

[0015] As the preferred scheme of the utility model, the circulating connecting pipe is detachably connected with the second flowmeter, the second diaphragm valve and the circulating water outlet pipe, and one end of the circulating water outlet pipe away from the circulating connecting pipe is connected with one end of the top of the circulating barrel.

[0016] Beneficial effects

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The water-based paint production high-efficiency circulating filter device, the reagent cylinder is set up, the precipitant can be added and is transported to the filter barrel through the anticorrosion conveying pipe, the metal ions in the water-based paint form insoluble precipitates, the motor drives the stirring auger to rotate, the precipitant and the water-based paint fully react, the working efficiency of filtering the metal ions is improved, the two filter screens are set up, the water-based paint in the filter barrel is filtered and is transported to the circulating barrel through the conveying pipe, the first diaphragm valve is set up, the conveying work of the conveying pipe to the water-based paint is improved, the first flowmeter is set up, the flow of the water-based paint conveyed by the conveying pipe is accurately measured, the fluid temperature, pressure, density and viscosity are not influenced, the circulating pump is set up, the filtered water-based paint is circulated and filtered through the circulating water outlet pipe and the circulating water inlet pipe, the check valve is set up, the fluid does not flow back to the inlet of the pump when the circulating pump stops working or the system pressure is reduced, this can protect the circulating pump from being damaged by the reverse flow, the protection effect is improved, the second flowmeter and the second diaphragm valve realize the flow accuracy and the reverse flow of the water-based paint in the circulating filtration work. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model;

[0020] Figure 2 It is the circulating barrel installation structure schematic view of the utility model;

[0021] Figure 3 It is the stirring auger structure schematic view of the utility model;

[0022] Figure 4 It is the circulating filter installation assembly overall structure schematic view of the utility model.

[0023] In the diagram: 1. Mounting plate; 2. Filter tank; 3. Circulating filter mounting assembly; 4. Reagent cylinder; 5. Corrosion-resistant delivery pipe; 6. Sealing cap; 7. Motor; 8. Support frame; 9. Circulating tank; 10. Agitator; 301. Filter pipe; 302. Sealing connection sleeve; 303. Filter screen; 304. Delivery bend; 305. Pipe connector; 306. Circulating water inlet pipe; 307. Circulating pump; 308. First diaphragm valve; 309. Delivery pipe; 310. First flow meter; 311. Connecting pipe; 312. Check valve; 313. Circulating connecting pipe; 314. Second flow meter; 315. Second diaphragm valve; 316. Circulating water outlet pipe. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figures 1-4 As shown, a high-efficiency circulating filtration device for water-based coating production includes a mounting plate 1 and a filter barrel 2. The filter barrel 2 is installed at one end of the top of the mounting plate 1, and a circulating filtration mounting assembly 3 is provided at one end of the filter barrel 2.

[0026] The circulating filter assembly 3 includes a filter pipe 301 disposed at one end of the filter tank 2. Sealing sleeves 302 are installed at both ends of the outer wall of the filter pipe 301. Filter screens 303 are installed at both ends inside the filter pipe 301. A conveying bend 304 is installed at the end of the filter pipe 301 away from the filter tank 2. A pipe connector 305 is installed at the top of the conveying bend 304. A conveying pipe 309 is installed at the end of the pipe connector 305 away from the conveying bend 304. A first diaphragm valve 308 is provided at one end of the outer wall of the conveying pipe 309. The pipe connector 305 is located away from the conveying pipe 309. One end of the 9 is equipped with a circulating water inlet pipe 306. The end of the circulating water inlet pipe 306 away from the pipe connector 305 is equipped with a circulating pump 307. The top of the circulating pump 307 is equipped with a connecting pipe 311. The top of the connecting pipe 311 is equipped with a check valve 312. One end of the check valve 312 is equipped with a circulating connecting pipe 313. The outer wall of the circulating connecting pipe 313 away from the check valve 312 is equipped with a second flow meter 314. One end of the circulating connecting pipe 313 is equipped with a second diaphragm valve 315. The end of the circulating connecting pipe 313 close to the second diaphragm valve 315 is equipped with a circulating water outlet pipe 316.

[0027] The reagent cylinder 4 is installed on one end of the top of the mounting plate 1 near the filter barrel 2, the corrosion-resistant delivery pipe 5 is installed on one end of the reagent cylinder 4, the sealing cover 6 is installed on the top of the filter barrel 2, the motor 7 is arranged on the top of the sealing cover 6, the stirring auger 10 is installed on the bottom of the motor 7 and penetrates through the top of the filter barrel 2, the support frame 8 is installed on the top of the mounting plate 1 away from the filter barrel 2, and the circulating barrel 9 is installed on the inner side of the support frame 8.

[0028] The filter barrel 2 is rotationally connected with the filter pipeline 301, the two sealing connecting sleeves 302 are sleeved on the outer wall of the filter pipeline 301, and the two filter screens 303 are in contact with the inside of the filter pipeline 301; the filter pipeline 301 is threadedly fixedly connected with the delivery elbow 304, the delivery elbow 304 is rotationally connected with the pipeline connecting piece 305, the pipeline connecting piece 305 is threadedly fixedly connected with the delivery pipe 309; the delivery pipe 309 is rotationally connected with the first diaphragm valve 308, one end of the delivery pipe 309 away from the pipeline connecting piece 305 is threadedly fixedly connected with one end of the circulating barrel 9; the pipeline connecting piece 305 is threadedly fixedly connected with the circulating water inlet pipe 306, the circulating water inlet pipe 306 is threadedly fixedly connected with the circulating pump 307, the circulating pump 307 is rotationally connected with the connecting pipe 311, and the connecting pipe 311 is rotationally connected with the check valve 312; the circulating connecting pipes 313 are detachably connected with the second flow meter 314, the second diaphragm valve 315 and the circulating water outlet pipe 316, and one end of the circulating water outlet pipe 316 away from the circulating connecting pipes 313 is connected with one end of the top of the circulating barrel 9.

[0029] The corrosion-resistant delivery pipe 5 is connected to one end of the reagent cylinder 4 and the other end of the top of the filter barrel 2, which is used for delivering the precipitating agent, the motor 7 is installed at a proper position of the filter barrel 2 so as to drive the stirring auger 10 to mix the precipitating agent and the water-based paint, the reagent cylinder 4 is used to add a proper amount of the precipitating agent, the formation of the precipitate is observed, the filter pipeline 301 and the sealing connecting sleeves 302 are installed, the two filter screens 303 are fixed on the filter pipeline and located at the outlet of the filter barrel 2, the delivery pipe 309 is connected to the outlet of the filter screen 303, the other end of the delivery pipe 309 is connected to the circulating barrel 9 through the first diaphragm valve 308 and the first flow meter 310, the circulating pump 307 is installed near the circulating barrel 9 and connected with the circulating barrel 9 through the circulating water inlet pipe 306, one end of the connecting pipe 311 is connected with the circulating pump 307 and the other end is connected with the check valve 312 to prevent backflow, the circulating connecting pipes 313 are installed and detachably connected with the second flow meter 314, the second diaphragm valve 315 and the circulating water outlet pipe 316, the other end of the circulating water outlet pipe 316 is connected to the top of the filter barrel 2 to form a closed circulating system, the readings of the first flow meter 310 and the second flow meter 314 are monitored to adjust the flow to the best filtering effect, the blockage of the filter screen 303 is checked regularly and cleaned or replaced if necessary, and the paint in the circulating barrel 9 is observed to ensure that the filtering effect reaches the expected effect.

[0030] It should be noted that the utility model discloses a kind of high-efficiency circulating filter devices for water-based paint production, when using, precipitant is added by reagent cylinder 4, and is transported to filter barrel 2 by anticorrosive conveying pipe 5.The addition of precipitant is to react chemically with metal ions in water-based paint, form insoluble precipitate, to facilitate subsequent physical filtration, after motor 7 is started, drive stirring auger 10 rotates, the effect of stirring auger 10 is to make precipitant and water-based paint fully mixed, accelerate the chemical reaction between metal ions and precipitant, improve the precipitation efficiency, after fully mixing and reaction, metal ions in paint have formed precipitate.Paint flows to two filter screens 303 through filter pipeline 301, the effect of filter screen is to intercept precipitate and other solid particles, realize the physical separation of paint and precipitate, and the paint after filtration is transported to circulating barrel 9 by conveying pipe 309.In this process, first diaphragm valve 308 is used to control the opening and closing of conveying pipe 309, and first flowmeter 310 is used to accurately measure the flow of paint in conveying pipe, to ensure that the flow is stable and is not affected by fluid temperature, pressure, density and viscosity, circulating pump 307 draws filtered paint from circulating barrel 9 into filter barrel 2 through circulating outlet pipe 316 and circulating inlet pipe 306, for re-filtering.This cycle can continue until the content of metal ions in paint is reduced to a satisfactory level, to prevent fluid from flowing back into the inlet of the pump when the circulating pump 307 stops working or the system pressure decreases, check valve 312 is provided in the system.The effect of check valve is to ensure that fluid can only flow in one direction, to protect the circulating pump from damage, second flowmeter 314 and second diaphragm valve 315 are installed downstream of the circulating filtration system, to further accurately control the flow during the circulation process, and to prevent fluid from flowing backward in the system.

[0031] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency circulating filter device for water-based paint production, comprising a mounting plate (1) and a filter barrel (2), characterized in that: A filter bucket (2) is installed at one end of the top of the mounting plate (1), and a circulating filter mounting assembly (3) is provided at one end of the filter bucket (2). The circulating filter assembly (3) includes a filter pipe (301) disposed at one end of the filter barrel (2). Sealing sleeves (302) are installed at both ends of the outer wall of the filter pipe (301). Filter screens (303) are installed at both ends inside the filter pipe (301). A conveying bend (304) is installed at the end of the filter pipe (301) away from the filter barrel (2). A pipe connector (305) is installed at the top of the conveying bend (304). A conveying pipe (309) is installed at the end of the pipe connector (305) away from the conveying bend (304). A first diaphragm valve (308) is provided at one end of the outer wall of the conveying pipe (309). The pipe connector (305) is located away from the conveying pipe (309). A circulating water inlet pipe (306) is installed at one end of the circulating water inlet pipe (306) away from the pipe connector (305). A circulating pump (307) is installed at the end of the circulating water inlet pipe (306) away from the pipe connector (305). A connecting pipe (311) is provided at the top of the circulating pump (307). A check valve (312) is provided at the top of the connecting pipe (311). A circulating connecting pipe (313) is installed at one end of the check valve (312). A second flow meter (314) is provided at the end of the outer wall of the circulating connecting pipe (313) away from the check valve (312). A second diaphragm valve (315) is provided at one end of the circulating connecting pipe (313). A circulating water outlet pipe (316) is provided at the end of the circulating connecting pipe (313) close to the second diaphragm valve (315).

2. The high-efficiency circulating filter device for water-based paint production according to claim 1, characterized in that: A reagent cylinder (4) is installed at the top of the mounting plate (1) near the filter barrel (2). A corrosion-resistant conveying pipe (5) is installed at one end of the reagent cylinder (4). A sealing cover (6) is installed at the top of the filter barrel (2). A motor (7) is installed at the top of the sealing cover (6). A stirring auger (10) is installed at the bottom of the motor (7) through the top of the filter barrel (2). A support frame (8) is installed at the top of the mounting plate (1) away from the filter barrel (2). A circulation tank (9) is installed on the inner side of the support frame (8).

3. The high-efficiency circulating filter device for water-based paint production according to claim 1, characterized in that: The filter bucket (2) is rotatably connected to the filter pipe (301), and the two sealing connecting sleeves (302) are both sleeved on both ends of the outer wall of the filter pipe (301). The two filter screens (303) are in contact with the inside of the filter pipe (301).

4. The high-efficiency circulating filter device for water-based paint production according to claim 1, characterized in that: The filter pipe (301) is threadedly fixedly connected to the conveying bend (304), the conveying bend (304) is rotatably connected to the pipe connector (305), and the pipe connector (305) is threadedly fixedly connected to the conveying pipe (309).

5. The efficient circulating filter device for water-based paint production according to claim 2, characterized in that: The delivery pipe (309) is rotatably connected to the first diaphragm valve (308), and the delivery pipe (309) is threadedly fixed to one end of the circulation tank (9) away from the pipe connector (305).

6. The efficient circulating filter device for water-based paint production according to claim 1, characterized in that: The pipeline connector (305) is in threaded fixed connection with the circulating water inlet pipe (306), the circulating water inlet pipe (306) is in threaded fixed connection with the circulating pump (307), the circulating pump (307) is in rotary connection with the connecting pipe (311), and the connecting pipe (311) is in rotary connection with the check valve (312).

7. The efficient circulating filter device for water-based paint production according to claim 2, characterized in that: The circulating connecting pipes (313) are all in detachable connection with the second flow meter (314), the second diaphragm valve (315) and the circulating water outlet pipe (316), and one end of the circulating water outlet pipe (316) away from the circulating connecting pipes (313) is connected with one end of the top of the circulating barrel (9).

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