Waterproof coating finished product filtering and impurity removing device

By combining multi-stage filtration components and a vacuum pump, the problem of impurity residue and clogging in finished waterproof coatings is solved, achieving efficient filtration and convenient cleaning.

CN223846378UActive Publication Date: 2026-01-30CHONGQING ORIENTAL YUHONG BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202520124143.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-30
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Impurities remaining in the finished waterproof coating affect its performance and can easily clog the filter structure, making it difficult to clean.

Method used

It adopts a multi-stage filtration system combined with a vacuum system. A negative pressure environment is created by a vacuum pump, and the waterproof coating is in a flowing state. Multiple filter elements and inclined walls are set to accelerate the flow. The pressure is controlled by a pressure sensor and a regulating valve. Impurities enter the debris box through the drain port.

Benefits of technology

It improves filtration efficiency, reduces clogging of waterproof coatings, simplifies the cleaning process, and ensures stable operation of the filtration system.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a waterproof coating finished product filtering and impurity removing device, and relates to the field of coating production technical equipment.The waterproof coating finished product filtering and impurity removing device comprises a filtering shell, a feeding port is formed in the filtering shell, a multi-stage filtering assembly is arranged in the filtering shell, the multi-stage filtering assembly communicates with the feeding port, and the multi-stage filtering assembly communicates with the feeding port; a discharging opening is formed in the bottom end of the multi-stage filtering assembly, a vacuum assembly is arranged on the filtering shell, and the vacuum assembly is communicated with the interior of the multi-stage filtering assembly. Impurities in the waterproof coating can be conveniently cleaned, and the problem that the device is difficult to clean due to the fact that the filtering structure is blocked by the waterproof coating is solved.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of paint production technology equipment, in particular to a waterproof paint finished product filtering and impurity removing device. BACKGROUND

[0002] Coating is a material which can be coated on the surface of an object by different construction processes to form a solid thin film which is firmly adhered and has certain strength. Coating belongs to fine chemical products. Modern coating is gradually becoming a kind of multifunctional engineering material and is an important industry in the chemical industry and has been widely applied in various industries.

[0003] In the generation process of waterproof paint, due to the influence of production environment or process, some impurities may be left in the finished product of waterproof paint, which will affect the performance of waterproof paint. Meanwhile, in the actual application process, waterproof paint is prone to block the filtering structure due to high adhesion and is difficult to clean up because of adhesion in the device. CONTENT OF THE UTILITY MODEL

[0004] In order to facilitate the cleaning of impurities in waterproof paint and reduce the problem that the filtering structure is blocked by waterproof paint and is difficult to clean up, the application provides a waterproof paint finished product filtering and impurity removing device.

[0005] The waterproof paint finished product filtering and impurity removing device provided by the application adopts the following technical scheme:

[0006] The waterproof paint finished product filtering and impurity removing device comprises a filtering shell, a feeding port is arranged on the filtering shell, a multistage filtering assembly is arranged in the filtering shell, the multistage filtering assembly is communicated with the feeding port, a discharging port is arranged at the bottom end of the multistage filtering assembly, a vacuum assembly is arranged on the filtering shell, and the vacuum assembly is communicated with the inside of the multistage filtering assembly.

[0007] Through the above technical scheme, the waterproof paint from the outside enters the inside of the multistage filtering assembly for filtering, and the filtered waterproof paint is discharged from the position of the discharging port. The inside of the multistage filtering assembly is relatively communicated with the vacuum assembly, and a negative pressure is formed in the inside of the multistage filtering assembly, so that the waterproof paint is in a flowing state, the waterproof paint is prevented from being blocked and accumulated in the multistage filtering assembly, and the filtering efficiency is improved.

[0008] Optionally, the multistage filtering assembly comprises a multistage filtering shell, a filtering core is fixedly connected in the inside of the multistage filtering shell, a plurality of filtering cores are arranged along the height direction, a filtering layer is formed between two adjacent filtering cores, and the vacuum assembly is communicated with the inside of the filtering layer.

[0009] By adopting the technical scheme, the multiple filter elements are arranged, and the waterproof coating is filtered multiple times, so that the plugging of the filter element by the waterproof coating can be reduced.

[0010] Optionally, the filter pore size of the filter element in the upper layer is greater than the filter pore size of the filter element in the lower layer.

[0011] Optionally, an inclined wall is fixedly connected above the filter element of the multistage filter shell, the inclined wall is arranged obliquely, and the inclined wall gradually inclines toward the side close to the center of the multistage filter shell along the height direction from top to bottom.

[0012] By adopting the technical scheme, the inclined wall is arranged, so that the waterproof coating in the upper layer can flow more conveniently to the feeding end of the filter element in the lower layer, and the filtering speed of the waterproof coating is improved.

[0013] Optionally, a discharge pipeline is arranged below the filter element in the bottom layer of the multistage filter shell, the discharge pipeline is in communication with the discharge port, a pressure sensor is fixedly connected to the discharge pipeline, and a detection end of the pressure sensor is located in the discharge pipeline.

[0014] By adopting the technical scheme, the pressure sensor is arranged in the discharge pipeline, the detection end of the pressure sensor is located in the discharge pipeline, the pressure in the discharge pipeline can be detected by the pressure sensor, and the pressure in the discharge pipeline is fed back to the inside of the vacuum assembly, so that the pressure in the multistage filter shell is controlled by adjusting the vacuum assembly.

[0015] Optionally, a stop valve is fixedly connected to the discharge pipeline.

[0016] By adopting the technical scheme, the stop valve is arranged, so that the backflow of the waterproof coating in the discharge pipeline can be reduced.

[0017] Optionally, the vacuum assembly comprises a vacuum pump, an air inlet end of the vacuum pump is provided with a vacuum pipe, the vacuum pipe is in communication with the inside of the filter layer, and an adjusting valve is arranged on the vacuum pipe.

[0018] By adopting the technical scheme, the vacuum pump adjusts the pressure in the multistage filter shell through the vacuum pipe, so that a negative pressure is formed in the multistage filter shell, the adjusting valve can adjust the negative pressure environment according to the pressure change, the waterproof coating is prevented from plugging the filter system, the residual waterproof coating can be pushed to flow to the next stage by adjusting the negative pressure, and the residual waterproof coating in the device is reduced.

[0019] Optionally, a buffer tank is fixedly connected to the vacuum pipe, and the buffer tank is located between the adjusting valve and the multistage filter assembly.

[0020] By adopting the technical scheme, the buffer tank between the regulating valve and the multi-stage filter assembly is used to balance the pressure fluctuation of the vacuum pump.

[0021] Optionally, a connection position of the vacuum pipe and the filter layer is not lower than a height of a discharge end of the filter core inside the filter layer.

[0022] Optionally, a side wall of the filter shell is oppositely provided with a sundry box relative to the filter core, one side of the filter core is provided with a blowdown port, and the blowdown port is in communication with the sundry box.

[0023] By adopting the technical scheme, the precision of the multi-stage filter core is different, each stage of the filter core is separately provided with a blowdown port, the blowdown port is connected to the sundry box, the sundry box is used to discharge the impurities filtered by the filter core from the blowdown port by the pipeline, each stage of the filter core is connected with a corresponding sundry box, and the sundry box can be individually disassembled and taken out for cleaning.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The vacuum pump is used to adjust the negative pressure environment in the filter box, so that the waterproof coating is in a flowing state, waterproof coating is prevented from being blocked and accumulated in the filter equipment, the filtering efficiency is improved, residual waterproof coating can be pushed to the next stage by adjusting the negative pressure, the residual waterproof coating in the device is reduced, and a plurality of sundry boxes which can be individually disassembled are arranged, so that subsequent cleaning is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a whole structure schematic view of a waterproof coating finished product filtering and impurity removing device in the embodiment of the present application.

[0027] The reference signs are explained as follows: 1, filter shell; 11, feeding port; 12, discharging port; 13, partition plate; 131, filtering chamber; 132, cleaning chamber; 14, sundry box; 15, blowdown port; 2, multi-stage filter assembly; 21, multi-stage filter shell; 211, first filter core; 212, second filter core; 213, third filter core; 22, first filter layer; 23, second filter layer; 24, first inclined wall; 25, second inclined wall; 26, third inclined wall; 27, discharging pipeline; 271, stop valve; 272, pressure sensor; 3, cleaning assembly; 4, vacuum assembly; 41, vacuum pump; 42, first vacuum pipe; 421, first buffer tank; 422, first regulating valve; 43, second vacuum pipe; 431, second buffer tank; 432, second regulating valve. DETAILED DESCRIPTION

[0028] In order to enable the above-mentioned objects, features and advantages of the present application to be clearer, the present application will be further described below in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0029] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and therefore the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0030] The specific embodiments of the present application will be described below with reference to the accompanying drawings. Figure 1 The present application will be described in further detail.

[0031] The embodiments of the present application disclose a waterproof coating finished product filtering and impurity removing device. Figure 1 The waterproof coating finished product filtering and impurity removing device comprises a filtering shell 1, the inside of the filtering shell 1 is provided with a multi-stage filtering assembly 2, the top wall of the filtering shell 1 is provided with a feeding port 11, the bottom end of the feeding port 11 is in communication with the top end of the multi-stage filtering assembly 2. The side wall of the filtering shell 1 is provided with a discharging port 12, and the discharging port 12 is in communication with the bottom end of the multi-stage filtering assembly 2, so that the waterproof coating from the outside enters the inside of the multi-stage filtering assembly 2 for filtering and is discharged from the position of the discharging port 12. One side of the filtering shell 1 is also provided with a cleaning assembly 3, which is in communication with the inside of the multi-stage filtering assembly 2, and the impurities filtered by the multi-stage filtering assembly 2 are discharged.

[0032] The side wall of the filtering shell 1 is provided with a vacuum assembly 4, which is in communication with the inside of the multi-stage filtering assembly 2. The multi-stage filtering assembly 2 is depressurized by the vacuum assembly 4, a negative pressure environment is formed in the inside of the multi-stage filtering assembly 2, the waterproof coating is in a flowing state, and the residual waterproof coating in the multi-stage filtering assembly 2 is reduced.

[0033] The multi-stage filtering assembly 2 comprises a multi-stage filtering shell 21, which is a hollow shell. The top end of the multi-stage filtering shell 21 is fixedly connected with the feeding port 11 and is in communication with the feeding port 11. The bottom end of the multi-stage filtering shell 21 is fixedly connected with a discharging pipeline 27, the discharging pipeline 27 is horizontally arranged, the inside of the discharging pipeline 27 is in communication with the inside of the multi-stage filtering shell 21, and one end of the discharging pipeline 27 away from the multi-stage filtering shell 21 extends out of the inside of the filtering shell 1. A stop valve 271 is fixedly connected in the inside of the discharging pipeline 27, and the stop valve 271 is used to reduce the backflow of the waterproof coating.

[0034] The inside of the filter housing 1 is vertically provided with a partition plate 13, the partition plate 13 is fixedly connected with the filter housing 1, and one side of the partition plate 13 is fixedly connected with the multi-stage filter shell 21. The partition plate 13 divides the inside of the filter housing 1 into a filter chamber 131 provided with the multi-stage filter shell 21 and a cleaning chamber 132 opposite to the filter chamber 131.

[0035] A plurality of filter cores are arranged inside the multi-stage filter shell 21, and the plurality of filter cores are arranged along the height direction. In some embodiments, three filter cores are arranged along the height direction, which are a first filter core 211 at the top end, a third filter core 213 at the bottom end, and a second filter core 212 between the first filter core 211 and the third filter core 213. The filter pore size of the filter core at the upper layer between the two adjacent filter cores is greater than the filter pore size of the filter core at the lower layer. In this embodiment, the filter pore size of the first filter core 211 is greater than the filter pore size of the second filter core 212, and the filter pore size of the second filter core 212 is greater than the filter pore size of the third filter core 213.

[0036] A first filter layer 22 is formed by leaving a gap between the first filter core 211 and the second filter core 212, and a second filter layer 23 is formed by leaving a gap between the second filter core 212 and the third filter core 213. The waterproof coating filtered by the first filter core 211 is temporarily stored in the inside of the first filter layer 22 for the next step of filtration, and the waterproof coating filtered by the second filter core 212 is temporarily stored in the inside of the second filter layer 23 for the next step of filtration.

[0037] The inner side wall of the multi-stage filter shell 21 is fixedly connected with a first inclined wall 24 at the position of the second filter core 212. The top end of the first inclined wall 24 is fixedly connected with the inner side wall of the multi-stage filter shell 21, and the bottom end of the first inclined wall 24 is fixedly connected with the second filter core 212. The first inclined wall 24 is arranged in two, and the first inclined wall 24 is arranged in an inclined manner. The inclined direction of the first inclined wall 24 gradually inclines towards the center position of the multi-stage filter shell 21 along the height direction from top to bottom. This enables the waterproof coating in the first filter layer 22 to better enter the inside of the second filter core 212.

[0038] The inner side wall of the multi-stage filtering shell 21 is fixedly connected with a second inclined wall 25 at a position relative to the third filter core 213, the top end of the second inclined wall 25 is fixedly connected with the inner side wall of the multi-stage filtering shell 21, and the bottom end of the second inclined wall 25 is fixedly connected with the third filter core 213. The second inclined wall 25 is oppositely arranged in two, and is arranged in an inclined manner, and the inclined direction of the second inclined wall 25 is gradually inclined towards the central position of the multi-stage filtering shell 21 along the height direction from top to bottom. So that the waterproof paint inside the second filter layer 23 can better enter the inside of the third filter core 213.

[0039] The inner side wall of the multi-stage filtering shell 21 is fixedly connected with a third inclined wall 26 at a position relative to the discharge pipe 27, the top end of the third inclined wall 26 is fixedly connected with the inner side wall of the multi-stage filtering shell 21, and the bottom end of the third inclined wall 26 is fixedly connected with the discharge pipe 27. The third inclined wall 26 is oppositely arranged in two, and is arranged in an inclined manner, and the inclined direction of the third inclined wall 26 is gradually inclined towards the central position of the multi-stage filtering shell 21 along the height direction from top to bottom. So that the waterproof paint inside the space below the third filter core 213 can better enter the inside of the discharge pipe 27.

[0040] The vacuum assembly 4 comprises a vacuum pump 41 fixed at the top end of the filter shell 1, and a vacuum pipe is arranged inside the filter shell 1, and the vacuum pipe is provided with a plurality of vacuum pipes according to the number of filter layers. In this embodiment, the vacuum pipe comprises a first vacuum pipe 42 and a second vacuum pipe 43.

[0041] One end of the first vacuum pipe 42 is fixedly connected with the multi-stage filtering shell 21 relative to the upper part of the first filter layer 22 and is in communication, and the position where the first vacuum pipe 42 is connected with the first filter layer 22 is higher than the bottom of the first filter core 211. The other end of the first vacuum pipe 42 is connected with the gas inlet end of the vacuum pump 41, a first buffer tank 421 is fixedly connected on the first vacuum pipe 42, the first buffer tank 421 is in communication with the inside of the first vacuum pipe 42, and the first buffer tank 421 is used for balancing the pressure fluctuation of the vacuum pump 41. The first vacuum pipe 42 is fixedly connected with a first adjusting valve 422 at one end of the first buffer tank 421 close to the vacuum pump 41, and the first adjusting valve 422 is used for adjusting the gas flow entering the inside of the vacuum pump 41, so as to control the negative pressure environment in the first filter layer 22.

[0042] One end of the second vacuum pipe 43 is fixedly connected to the upper portion of the multi-stage filter shell 21 relative to the second filter layer 23 and is in communication therewith, and the position at which the second vacuum pipe 43 is connected to the second filter layer 23 is higher than the bottom of the second filter core 212. The other end of the second vacuum pipe 43 is connected to the gas inlet end of the vacuum pump 41, and a second buffer tank 431 is fixedly connected to the second vacuum pipe 43, the second buffer tank 431 is in communication with the interior of the second vacuum pipe 43, and the second buffer tank 431 is used to balance the pressure fluctuation of the vacuum pump 41. The second vacuum pipe 43 is fixedly connected to the end of the second buffer tank 431 close to the vacuum pump 41, and a second regulating valve 432 is fixedly connected to the end of the second buffer tank 431 close to the vacuum pump 41, and the second regulating valve 432 is used to adjust the flow of gas entering the interior of the vacuum pump 41, thereby controlling the negative pressure environment in the second filter layer 23.

[0043] A pressure sensor 272 is fixedly connected to the discharge pipeline 27, the detection end of the pressure sensor 272 is located in the interior of the discharge pipeline 27, and the pressure sensor 272 is in signal connection with the first regulating valve 422 and the second regulating valve 432, respectively. The pressure sensor 272 monitors the pressure change in the filtering process and transmits a feedback electrical signal to the first regulating valve 422 and the second regulating valve 432 to adjust the flow rate of the waterproof coating.

[0044] The partition plate 13 is provided with a sundry box 14 on one side of the cleaning chamber 132, the sundry box 14 is provided with a plurality of sundry boxes 14 along the height direction relative to the filter core, and a blowdown port 15 is provided between the sundry box 14 and the filter core. One end of the blowdown port 15 is in communication with the blowdown outlet of the filter core, and the other end of the blowdown port 15 is in communication with the interior of the sundry box 14. The impurities filtered out by the filter core are discharged from the blowdown port 15 to the sundry box 14, and each filter core is connected with a corresponding sundry box 14, and the sundry box 14 can be individually detached and taken out for cleaning.

[0045] In the present application, the term "a plurality of" refers to at least two or at least two more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, "connecting" can be fixedly connected, or can be detachably connected, or integrally connected; "connecting" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "certain embodiments", and the like are intended to indicate that the described implementation, feature, structure, material or characteristic is included in at least one embodiment or example of the present application. The illustrative representations of the above terms in the specification are not necessarily referring to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A device for filtering and removing impurities from a waterproof coating finished product, characterized by: The utility model relates to a multi-stage filter assembly and vacuum assembly, comprising a filter housing (1) provided with a feed inlet (11), the inside of the filter housing (1) is provided with a multi-stage filter assembly (2) which communicates with the feed inlet (11), the bottom end of the multi-stage filter assembly (2) is provided with a discharge outlet (12), and the filter housing (1) is provided with a vacuum assembly (4) which communicates with the inside of the multi-stage filter assembly (2).

2. The water-proof coating finished product impurity removing and filtering device according to claim 1, characterized in that: The multi-stage filter assembly (2) comprises a multi-stage filter shell (21), the inside of the multi-stage filter shell (21) is fixedly connected with filter cores, the filter cores are arranged in multiple along the height direction, a filter layer is formed between two adjacent filter cores, and the vacuum assembly (4) communicates with the inside of the filter layer.

3. The water-proof coating finished product impurity removing and filtering device according to claim 2, characterized in that: The filter pore diameter of the filter core in the upper layer is greater than that of the filter core in the lower layer.

4. The water-proof coating finished product impurity removing and filtering device according to claim 2, characterized in that: The multi-stage filter shell (21) is fixedly connected with an inclined wall above the filter cores, the inclined wall is arranged in an inclined manner, and the inclined wall gradually inclines towards the side close to the center of the multi-stage filter shell (21) along the height direction from top to bottom.

5. The water proof paint finished product filtering and impurity removing device according to claim 2, characterized in that: The multi-stage filter shell (21) is provided with a discharge pipeline (27) below the filter core in the bottom layer, the discharge pipeline (27) communicates with the discharge outlet (12), the discharge pipeline (27) is fixedly connected with a pressure sensor (272), and the detection end of the pressure sensor (272) is located in the inside of the discharge pipeline (27).

6. The water-proof coating finished product impurity removing and filtering device according to claim 5, characterized in that: The discharge pipeline (27) is fixedly connected with a stop valve (271).

7. The water-proof coating finished product impurity removing and filtering device according to claim 2, characterized in that: The vacuum assembly (4) comprises a vacuum pump (41), the air inlet end of the vacuum pump (41) is provided with a vacuum pipe which respectively communicates with the inside of the filter layer, and the vacuum pipe is provided with an adjusting valve.

8. The water proof paint finished product filtering and impurity removing device according to claim 7, characterized in that: The vacuum pipe is fixedly connected with a buffer tank, and the buffer tank is located between the adjusting valve and the multi-stage filter assembly (2).

9. The water proof paint finished product filtering and impurity removing device according to claim 7, characterized in that: The connection position of the vacuum pipe and the filter layer is not lower than the height of the discharge end of the filter core in the inside of the filter layer.

10. The water proof paint finished product filtering and impurity removing device according to claim 2, characterized in that: The side wall of the filter housing (1) is relatively provided with a sundry box (14) relative to the filter core, one side of the filter core is provided with a blowdown outlet (15), and the blowdown outlet (15) communicates with the sundry box (14).