PE microporous filter

By using back-purge technology in the PE microporous filter, the impurities dropped by high-pressure gas are used to purge and eliminate the problem of PE microporous tubes, and the automatic cleaning and smooth state are guaranteed.

CN222765770UActive Publication Date: 2025-04-18SHANGHAI ZHIRUI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421636097.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-18
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

After a long time of use of the existing PE microporous filter, impurities will accumulate on the outer wall of the PE microporous tube, resulting in the blockage of the micropores, which requires manual disassembly and cleaning, which is cumbersome and increases the amount of labor.

Method used

A PE microporous filter is designed, using back-purge technology, which injects high-pressure gas into the PE microporous tube through a negative blow pipe, purges and drops the outer wall impurities, realizes automatic cleaning and avoids manual disassembly.

Benefits of technology

The automatic cleaning of PE microporous tubes is realized, which ensures smooth state, reduces the cumbersomeness and labor of manual operations, and improves the degree of automation.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a PE microporous filter which comprises a shell, an injection pipe communicated with the shell is fixedly connected to the side wall of the bottom of the shell, the injection pipe is fixedly connected with a chemical pump, the chemical pump is fixedly connected with a water inlet pipe, a raw material tank is arranged on one side of the shell, and the water inlet pipe penetrates through the raw material tank and is fixedly connected with the raw material tank. The side wall of the injection pipe is fixedly connected with a first backflow pipe communicated with the injection pipe, the first backflow pipe is fixedly connected with the raw material tank and communicated with the raw material tank, a hollow pipe fixedly connected with the shell is arranged on the shell in a penetrating mode, and the top of the hollow pipe is fixedly connected with a plurality of PE micropore pipes. And the multiple PE microporous pipes are fixedly connected with the inner wall of the shell, and the right side of the hollow pipe is fixedly connected with a discharge pipe communicating with the hollow pipe. According to the device, impurities attached to the PE microporous pipe can be cleaned through reverse blowing, the smoothness of the PE microporous pipe is guaranteed, disassembly and manual cleaning are not needed, and the automation degree is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a PE microporous filter. Background Art

[0002] PE microporous filters are needed for purification and purification processes in industries such as petroleum, chemical industry, metallurgy, mineral processing and environmental protection.

[0003] After long-term use, the outer wall of the PE microporous tube of the existing PE microporous filter will accumulate impurities to form an impurity layer, which will clog the micropores on the PE microporous tube. At this time, human workers are required to disassemble the filter and take out the PE microporous tube for cleaning. The operation is cumbersome and increases the workload of the workers. In order to solve the above problems, a PE microporous filter is proposed in the present application. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a PE microporous filter, which can perform back-flushing to clean impurities attached to the PE microporous tube, thereby ensuring the smooth flow of the PE microporous tube, without the need for disassembly and manual cleaning, and has a high degree of automation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A PE microporous filter comprises a shell, a bottom side wall of the shell is fixedly connected with an injection pipe connected thereto, the injection pipe is fixedly connected with a chemical pump, the chemical pump is fixedly connected with a water inlet pipe, a raw material tank is arranged on one side of the shell, the water inlet pipe penetrates the raw material tank and is fixedly connected thereto, a first return pipe connected thereto is fixedly connected to the side wall of the injection pipe, the first return pipe is fixedly connected to the raw material tank and is connected thereto, a hollow tube fixedly connected thereto is penetrated through the shell, a plurality of PE microporous tubes are fixedly connected to the top of the hollow tube, and the plurality of PE microporous tubes are all connected to the inner wall of the shell. Fixedly connected, the right side of the hollow tube is fixedly connected with a discharge pipe connected thereto, the left side of the hollow tube is fixedly connected with a second return pipe connected thereto, the second return pipe is fixedly connected to the raw material tank and is connected thereto, an air compressor is provided on one side of the shell, the air compressor is fixedly connected with a connecting pipe connected thereto, the connecting pipe is fixedly connected with an air storage tank connected thereto, the air storage tank is fixedly connected with a positive blow pipe connected thereto, the positive blow pipe is fixedly connected to the side wall of the shell, the side wall of the positive blow pipe is fixedly connected with a negative blow pipe connected thereto, and the negative blow pipe is fixedly connected to the side wall of the shell.

[0007] Preferably, a first safety valve is fixedly connected to the outer wall of the first reflux pipe.

[0008] Preferably, a second safety valve is fixedly connected to the outer wall of the second reflux pipe.

[0009] Preferably, a first electromagnetic valve is fixedly connected to the outer wall of the connecting pipe, a second electromagnetic valve is fixedly connected to the outer wall of the positive blow pipe, and a third electromagnetic valve is fixedly connected to the outer wall of the negative blow pipe.

[0010] Preferably, a slag discharge bucket connected thereto is provided at the bottom of the shell, and an opening and closing valve is fixedly connected to the outer wall of the slag discharge bucket.

[0011] Preferably, an exhaust scoop is fixedly connected to the outer wall of the shell, and a third safety valve is fixedly connected to the outer wall of the exhaust scoop.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Start the chemical pump and inject the liquid in the raw material tank into the shell through the water inlet pipe and the injection pipe. At this time, the liquid will be filtered through multiple PE microporous tubes to intercept and filter the solid particles in the liquid. The purified liquid will be injected into the hollow tube and discharged through the discharge pipe to achieve solid-liquid separation.

[0014] 2. Close the second solenoid valve and open the third solenoid valve, inject the high-pressure gas in the gas tank into the PE microporous tube through the negative blowpipe and the hollow tube, blow the impurities attached to the outer wall of the PE microporous tube through the micropores on the PE microporous tube, and discharge them through the slag discharge bucket, thus ensuring the smooth flow of the PE microporous tube. There is no need to disassemble and clean it manually, and the degree of automation is high.

[0015] In summary, back-flushing can be performed to clean the impurities attached to the PE microporous tube, ensuring the smooth flow of the PE microporous tube. There is no need to disassemble and clean it manually, and the degree of automation is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional view of a PE microporous filter proposed by the utility model.

[0017] In the figure: 1 shell, 2 injection pipe, 3 chemical pump, 4 water inlet pipe, 5 raw material tank, 6 first reflux pipe, 7 hollow pipe, 8 PE microporous pipe, 9 discharge pipe, 10 second reflux pipe, 11 air compressor, 12 connecting pipe, 13 gas storage tank, 14 positive blow pipe, 15 negative blow pipe, 16 slag bucket, 17 exhaust bucket. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1 A PE microporous filter comprises a shell 1, a bottom side wall of the shell 1 is fixedly connected with an injection pipe 2 connected thereto, the injection pipe 2 is fixedly connected with a chemical pump 3 for pumping materials, the chemical pump 3 is fixedly connected with an inlet pipe 4, a raw material tank 5 is provided on one side of the shell 1, liquid materials are provided in the raw material tank 5, the inlet pipe 4 passes through the raw material tank 5 and is fixedly connected thereto, a first reflux pipe 6 connected thereto is fixedly connected to the side wall of the injection pipe 2, a first safety valve is fixedly connected to the outer wall of the first reflux pipe 6, the first reflux pipe 6 is fixedly connected to the raw material tank 5 and is connected thereto, when pumping, when the pressure in the injection pipe 2 is too large, a reflux protection pipe is performed through the first reflux pipe 6.

[0020] A hollow tube 7 fixedly connected to the shell 1 is penetrated by a hollow tube 7, and a plurality of PE microporous tubes 8 are fixedly connected to the top of the hollow tube 7. The PE microporous tube 8 is a microporous tube body sintered with ultra-high molecular weight polyethylene (PE) as the main raw material. The PE microporous tube 8 is resistant to acid and alkali corrosion, and is resistant to most organic solvents such as esters, ketones, ethers, aldehydes, etc., resistant to radiation, anti-aging, long service life, and a wide range of applications. The plurality of PE microporous tubes 8 are all fixedly connected to the inner wall of the shell 1, and a discharge pipe 9 connected to the right side of the hollow tube 7 is fixedly connected to the discharge pipe 9, through which the filtered and purified liquid can be discharged, and a second reflux pipe 10 connected to the left side of the hollow tube 7 is fixedly connected to the second reflux pipe 10, and a second safety valve is fixedly connected to the outer wall of the second reflux pipe 10. The second reflux pipe 10 is fixedly connected to the raw material tank 5 and is connected to it. When the pressure in the hollow tube 7 is too high, the reflux protection pipeline is performed through the second reflux pipe 10.

[0021] An air compressor 11 is provided on one side of the shell 1, which can compress air and inject it into the air tank 13. The air compressor 11 is fixedly connected to a connecting pipe 12 connected thereto, and a first electromagnetic valve is fixedly connected to the outer wall of the connecting pipe 12. The connecting pipe 12 is fixedly connected to the air tank 13 connected thereto, and the air tank 13 is fixedly connected to a positive blowpipe 14 connected thereto, and a second electromagnetic valve is fixedly connected to the outer wall of the positive blowpipe 14, and the positive blowpipe 14 is fixedly connected to the side wall of the shell 1, and a negative blowpipe 15 connected thereto is fixedly connected to the side wall of the positive blowpipe 14, and a first electromagnetic valve is fixedly connected to the outer wall of the negative blowpipe 15. Three electromagnetic valves and a negative blow pipe 15 are fixedly connected to the side wall of the shell 1. When filtering, the second electromagnetic valve is opened and the third electromagnetic valve is closed, and the high-pressure gas in the gas tank 13 is injected into the shell 1 to increase the internal air pressure, which helps the liquid to be filtered through the PE microporous tube 8; after the filtering is completed, the second electromagnetic valve is closed and the third electromagnetic valve is opened, and the high-pressure gas in the gas tank 13 is injected into the PE microporous tube 8 through the negative blow pipe 15 and the hollow tube 7, and the impurities attached to the outer wall of the PE microporous tube 8 are blown off through the micropores on the PE microporous tube 8 and discharged through the slag discharge bucket 16.

[0022] The bottom of the shell 1 is provided with a slag discharge bucket 16 connected thereto, the outer wall of the slag discharge bucket 16 is fixedly connected with an opening and closing valve, the outer wall of the shell 1 is fixedly connected with an exhaust bucket 17, the outer wall of the exhaust bucket 17 is fixedly connected with a third safety valve to ensure the safety of the air pressure in the shell 1.

[0023] In the utility model, the chemical pump 3 is started, and the liquid in the raw material tank 5 is injected into the shell 1 through the water inlet pipe 4 and the injection pipe 2, so that the liquid level in the shell 1 is at an appropriate position (two-thirds position). At this time, the liquid will be filtered through multiple PE microporous tubes 8, and the solid particles in the liquid will be intercepted and filtered, and the purified liquid will be injected into the hollow tube 7 and discharged through the discharge pipe 9, thereby achieving solid-liquid separation; gas can be injected into the gas storage tank 13 through the air compressor 11, and high-pressure gas can be injected into 1 through the gas storage tank 13, so that the pressure in the shell 1 is greater than the atmospheric pressure and is at a high pressure, which is helpful for the liquid to be filtered through the PE microporous tube 8.

[0024] The utility model solves the problem in the prior art that moisture enters the inside of the power distribution control box through the heat dissipation holes, causing built-in electrical components to be damaged by moisture, by arranging the cooperation of the rain shield and the side rain shield.

Claims

1. A PE microporous filter, comprising a housing (1), characterized in that: The bottom side wall of the shell (1) is fixedly connected to an injection pipe (2) connected thereto, the injection pipe (2) is fixedly connected to a chemical pump (3), the chemical pump (3) is fixedly connected to a water inlet pipe (4), a raw material tank (5) is provided on one side of the shell (1), the water inlet pipe (4) passes through the raw material tank (5) and is fixedly connected thereto, the side wall of the injection pipe (2) is fixedly connected to a first return pipe (6) connected thereto, the first return pipe (6) is fixedly connected to the raw material tank (5) and is connected thereto, a hollow pipe (7) is passed through the shell (1) and is fixedly connected thereto, a plurality of PE microporous pipes (8) are fixedly connected to the top of the hollow pipe (7), the plurality of PE microporous pipes (8) are fixedly connected to the inner wall of the shell (1), the hollow pipe (7) is provided with a plurality of PE microporous pipes (8) and the plurality of PE microporous pipes (8) are fixedly connected to the inner wall of the shell (1), and the hollow pipe (7) is provided with a plurality of PE microporous pipes (8) and the plurality of PE microporous pipes (8) are fixedly connected to the inner wall of the shell (1). A discharge pipe (9) connected to the hollow tube (7) is fixedly connected on the right side, a second return pipe (10) connected to the hollow tube (7) is fixedly connected on the left side, the second return pipe (10) is fixedly connected to the raw material tank (5) and is connected to the raw material tank (5), an air compressor (11) is provided on one side of the shell (1), the air compressor (11) is fixedly connected to a connecting pipe (12) connected to the hollow tube (7), the connecting pipe (12) is fixedly connected to an air storage tank (13) connected to the hollow tube (7), the air storage tank (13) is fixedly connected to a positive blow pipe (14) connected to the hollow tube (7), the positive blow pipe (14) is fixedly connected to the side wall of the hollow tube (1), the negative blow pipe (15) connected to the hollow tube (7), the negative blow pipe (15) is fixedly connected to the side wall of the hollow tube (1).

2. A PE microporous filter according to claim 1, characterized in that: A first safety valve is fixedly connected to the outer wall of the first reflux pipe (6).

3. A PE microporous filter according to claim 1, characterized in that: A second safety valve is fixedly connected to the outer wall of the second return pipe (10).

4. A PE microporous filter according to claim 1, characterized in that: The outer wall of the connecting pipe (12) is fixedly connected to a first electromagnetic valve, the outer wall of the positive blow pipe (14) is fixedly connected to a second electromagnetic valve, and the outer wall of the negative blow pipe (15) is fixedly connected to a third electromagnetic valve.

5. A PE microporous filter according to claim 1, characterized in that: The bottom of the shell (1) is provided with a slag discharge bucket (16) which is in communication therewith, and an opening and closing valve is fixedly connected to the outer wall of the slag discharge bucket (16).

6. A PE microporous filter according to claim 1, characterized in that: An exhaust hopper (17) is fixedly connected to the outer wall of the shell (1), and a third safety valve is fixedly connected to the outer wall of the exhaust hopper (17).