Self-cleaning type gas impurity removal precision filter
By designing a self-cleaning gas impurity removal precision filter and employing automatic gas injection and reverse purging technology, the problem of traditional filters requiring shutdown for cleaning is solved, achieving continuous and stable operation of gas filtration and high-efficiency filtration effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JILIN ZHUO INNOVATIVE MATERIALS CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-05-05
AI Technical Summary
Existing gas filters experience filter element clogging after processing a certain amount of gas, leading to reduced filtration efficiency and requiring periodic shutdowns for cleaning, making continuous operation impossible.
A self-cleaning gas impurity removal precision filter was designed, comprising a storage mechanism, a filtration mechanism, and a backflushing mechanism. By automatically injecting gas and performing reverse purging, impurities on the filter screen box are removed, achieving continuous self-cleaning of the filter screen box.
It achieves continuous and stable operation of gas filtration, avoids downtime for cleaning, and improves filtration efficiency.
Smart Images

Figure CN224194362U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter technology, specifically to a self-cleaning precision gas impurity removal filter. Background Technology
[0002] A large part of environmental pollution comes from the emission of polluting gases after combustion, such as automobile exhaust, chemical plants, boiler plants, and power plants. These polluting gases are directly released into the air, causing natural disasters such as smog and acid rain.
[0003] Currently used gas filters experience varying degrees of clogging in their internal filter elements after processing a certain amount of gas, leading to reduced filtration efficiency and gas purification speed. Therefore, the filter elements need to be cleaned regularly, which in turn requires the filtration equipment to be shut down, preventing continuous gas filtration. Utility Model Content
[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.
[0005] Therefore, the technical solution adopted by this utility model is as follows:
[0006] A self-cleaning precision gas impurity removal filter includes a storage mechanism, a filtration mechanism, and a backflush mechanism. The storage mechanism includes a filter tank and inlet / outlet pipes connected and communicating with the filter tank. The filtration mechanism includes multiple filter screen boxes connected to the inner wall of the filter tank, a stirring shaft movably installed inside the filter tank, and a motor connected between the filter tank and the stirring shaft. The backflush mechanism includes multiple gas pipes penetrating the wall of the filter tank, a box body located inside the filter tank and fitted to the bottom of the gas pipes, multiple air jet holes opened on the box body, a gas collecting cylinder connected between the multiple gas pipes, and a backflush pipe connected and communicating with the gas collecting cylinder.
[0007] By adopting the above technical solution, after injecting sufficient gas into the filter tank, the system will execute an automatic cleaning program: the motor will stop running, and backflush air will be input into the air collection cylinder. After being diverted, the air will be delivered to the filter box through multiple sets of backflush pipes. Finally, the filter box will be swept in reverse by densely distributed air jet holes to efficiently remove attached impurities. After cleaning, the system will automatically restart the motor and cut off the backflush air source. This cycle mechanism realizes the continuous self-cleaning of the filter box. At the same time, the gas filtration effect is improved by repeated filtration. This innovative design effectively solves the technical bottleneck of traditional filtration devices that require shutdown for cleaning, ensuring the continuous and stable operation of the gas filtration process.
[0008] In a preferred embodiment, the present invention can be further configured as follows: multiple filter boxes are equally spaced and arranged around the outside of the stirring shaft, and the top and bottom of the filter boxes are both processed to be solid.
[0009] In a preferred embodiment, the present invention can be further configured such that: multiple boxes are located on one side of multiple filter boxes, and multiple air jet holes on the boxes are equally spaced and arranged in three columns.
[0010] In a preferred embodiment, the present invention can be further configured such that: the gas collecting cylinder is suspended at the top of the inlet and outlet pipes, and the gas collecting cylinder is connected to the inside of the box through a gas pipe.
[0011] In a preferred embodiment, the present invention can be further configured such that the diameter of the backflush pipe is greater than the sum of the diameters of the plurality of gas pipes.
[0012] In a preferred embodiment, the present invention can be further configured such that: an insert plate is installed on the top of the filter box, and the insert plate is slidably inserted into the top of the filter tank.
[0013] In a preferred embodiment, the present invention can be further configured such that: an electromagnetic valve is installed on the inlet / outlet pipe, and the electromagnetic valve is electrically connected to an external power supply.
[0014] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:
[0015] In this invention, after sufficient gas is injected into the filter tank, the system will execute an automatic cleaning program: the motor will stop running, and backflush air will be input into the air collection cylinder. After being diverted, the air will be delivered to the filter box through multiple sets of backflush pipes. Finally, the filter box will be backflushed by densely distributed jet holes, effectively removing attached impurities. After cleaning, the system will automatically restart the motor and cut off the backflush air source. This cycle mechanism achieves continuous self-cleaning of the filter box. At the same time, the gas filtration effect is improved through repeated filtration. This innovative design effectively solves the technical bottleneck of traditional filtration devices requiring shutdown for cleaning, ensuring the continuous and stable operation of the gas filtration process. Attached Figure Description
[0016] Figure 1 This is a perspective view of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the storage mechanism of this utility model;
[0018] Figure 3 This is a schematic diagram of the filtration mechanism of this utility model;
[0019] Figure 4 This is a schematic diagram of the backflush mechanism of this utility model;
[0020] Figure 5 This is a perspective view of the box body of this utility model.
[0021] Figure label:
[0022] 100. Storage mechanism; 110. Filter tank; 120. Inlet and outlet pipes;
[0023] 200. Filtration mechanism; 210. Filter screen box; 220. Stirring shaft; 230. Motor;
[0024] 300. Backflush mechanism; 310. Gas pipe; 320. Housing; 330. Air jet; 340. Gas collection cylinder; 350. Backflush pipe;
[0025] 400, power strip;
[0026] 500. Solenoid valve. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.
[0028] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.
[0029] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a self-cleaning precision gas impurity removal filter.
[0030] Example 1:
[0031] Combination Figure 1-5 As shown, the present invention provides a self-cleaning gas impurity removal precision filter, including a storage mechanism 100, a filtration mechanism 200 and a backflushing mechanism 300. The storage mechanism 100 includes a filter tank 110 and an inlet / outlet pipe 120 connected to and communicating with the filter tank 110.
[0032] The filtration mechanism 200 includes a plurality of filter screen boxes 210 connected to the inner wall of the filter tank 110, a stirring shaft 220 movably installed inside the filter tank 110, and a motor 230 connected between the filter tank 110 and the stirring shaft 220.
[0033] The backflush mechanism 300 includes multiple gas pipes 310 penetrating the wall of the filter tank 110, a box 320 located inside the filter tank 110 and sleeved at the bottom of the gas pipes 310, multiple air jet holes 330 opened on the box 320, an air collecting cylinder 340 connected between the multiple gas pipes 310, and a backflush pipe 350 connected and communicating with the air collecting cylinder 340.
[0034] Furthermore, multiple filter boxes 210 are evenly spaced and arranged around the outside of the stirring shaft 220. The top and bottom of each filter box 210 are solid. The layout design of the filter boxes 210 allows the gas under centrifugal force to pass through each filter box 210, ensuring the gas filtration effect.
[0035] Furthermore, multiple boxes 320 are located on one side of multiple filter boxes 210 respectively. Multiple air jet holes 330 on the box 320 are equally spaced and arranged in three rows. The layout design of the air jet holes 330 on the box 320 can completely backflush the impurities inside the filter box 210.
[0036] Furthermore, the gas collecting cylinder 340 is suspended at the top of the inlet / outlet pipe 120, and the gas collecting cylinder 340 is connected to the inside of the box 320 through the gas pipe 310. The structural design of the gas collecting cylinder 340 can provide backflushing gas for each box 320.
[0037] Furthermore, the diameter of the backflush pipe 350 is larger than the sum of the diameters of the multiple gas pipes 310. The size design of the backflush pipe 350 can ensure the impact force of the backflush gas.
[0038] Example 2:
[0039] Combination Figure 1 As shown, based on Embodiment 1, the top of the filter box 210 is equipped with an insert plate 400, which is slidably inserted into the top of the filter tank 110. The insert plate 400 is provided to facilitate the removal of the filter box 210 from the filter tank 110.
[0040] Example 3:
[0041] Combination Figure 1 As shown, in the above embodiment, a solenoid valve 500 is installed on the inlet / outlet pipe 120. The solenoid valve 500 is electrically connected to an external power supply. The solenoid valve 500 can control the air intake and exhaust of the inlet / outlet pipe 120.
[0042] The working principle and usage process of this utility model are as follows: When this device is put into actual use, firstly, the solenoid valve 500 is opened to inject sufficient gas into the filter tank 110. Then, the motor 230 is started to drive the stirring shaft 220 to rotate. Under the action of centrifugal force, the gas adheres tightly to the tank wall to form a vortex, ensuring that the airflow fully contacts each filter box 210 to complete the impurity filtration operation. After the motor 230 has run for a specified time, the system will execute an automatic cleaning program: stop the motor 230 and simultaneously input back-blowing air into the air collection cylinder 340. After being diverted, the air is delivered to the box 320 through multiple sets of back-blowing pipes 350. Finally, the densely distributed air jet holes 330 perform reverse blowing on the filter box 210 to efficiently remove attached impurities. After cleaning, the system automatically restarts the motor 230 and cuts off the back-blowing air source. Through this cycle mechanism, the filter box 210 is continuously self-cleaned. At the same time, the gas filtration effect is improved through repeated filtration. This innovative design effectively solves the technical bottleneck of traditional filtration devices requiring shutdown for cleaning, ensuring the continuous and stable operation of the gas filtration process.
[0043] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A self-cleaning precision gas impurity removal filter, characterized in that, include: Storage mechanism (100), the storage mechanism (100) includes a filter tank (110) and an inlet / outlet pipe (120) connected to and communicating with the filter tank (110); The filtration mechanism (200) includes a plurality of filter screen boxes (210) connected to the inner wall of the filter tank (110), a stirring shaft (220) movably installed inside the filter tank (110), and a motor (230) connected between the filter tank (110) and the stirring shaft (220). The backflush mechanism (300) includes a plurality of gas pipes (310) penetrating the wall of the filter tank (110), a housing (320) located inside the filter tank (110) and sleeved at the bottom of the gas pipes (310), a plurality of jet holes (330) opened on the housing (320), a gas collecting cylinder (340) connected between the plurality of gas pipes (310), and a backflush pipe (350) connected and communicating with the gas collecting cylinder (340).
2. The self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, Multiple filter boxes (210) are evenly spaced and arranged around the outside of the stirring shaft (220), and the top and bottom of the filter boxes (210) are both processed to be solid.
3. The self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, Multiple boxes (320) are located on one side of multiple filter boxes (210), and multiple air jet holes (330) on the boxes (320) are equally spaced and arranged in three rows.
4. The self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, The gas collecting cylinder (340) is suspended at the top of the inlet and outlet pipe (120), and the gas collecting cylinder (340) is connected to the inside of the box (320) through the gas pipe (310).
5. A self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, The diameter of the backflush pipe (350) is greater than the sum of the diameters of the multiple gas pipes (310).
6. A self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, The filter box (210) is equipped with an insert plate (400) on the top, and the insert plate (400) is slidably inserted into the top of the filter tank (110).
7. A self-cleaning gas impurity removal precision filter according to claim 1, characterized in that, A solenoid valve (500) is installed on the inlet / outlet pipe (120), and the solenoid valve (500) is electrically connected to an external power supply.