Novel gas filter

Abstract

The utility model relates to a novel fuel gas filter, which relates to the technical field of fuel gas circulation, and comprises a tank body, a gas inlet pipe, a gas outlet pipe, an abutting plate, a rotating plate, a coarse filter screen, a fine filter cartridge and a cleaning piece, the gas inlet pipe is arranged on the tank body, the gas outlet pipe is arranged on the tank body, the abutting plate is arranged at one end of the gas outlet pipe extending into the tank body, and the rotating plate is arranged at the other end of the gas outlet pipe. The rotating plate is rotatably and hermetically arranged on the abutting plate, the coarse filter screen is arranged on the abutting plate, the fine filter cartridge is arranged on the rotating plate, the fine filter cartridge is arranged in the coarse filter screen, the cleaning part is rotatably arranged between the fine filter cartridge and the coarse filter screen in a sleeving manner, the cleaning part comprises a connecting ring, and separation grooves are uniformly formed in the connecting ring in an array manner; blades are arranged at the positions corresponding to the separation grooves, first pollution discharge holes are evenly formed in the abutting plate in an array mode, second pollution discharge holes are formed in the positions corresponding to the first pollution discharge holes in the rotating plate, impurities in the filter are removed through the cleaning assembly, and the situation that the filter screen and the filter cylinder are blocked due to excessive accumulation of the impurities is prevented.

Description

Technical Field

[0001] This application relates to the field of gas circulation technology, and in particular to a novel gas filter. Background Technology

[0002] During the transmission of natural gas, impurities such as solid particles and liquid droplets may be carried. If these impurities enter gas equipment, such as pressure reducing valves, pressure relief valves, and positioning valves, they can cause equipment failure, blockage, or even safety accidents. A gas filter is a device used to separate impurities (such as dust, rust, moisture, and other impurities) carried in the gas flow. Its main function is to protect downstream pipeline facilities from damage, pollution, and blockage.

[0003] Currently, a Chinese utility model patent application with a publication date of November 5, 2024, and publication number CN 221950803U, provides a gas filter, including a filter body and a filter assembly. The filter body includes a filter body and a sealing pressure plate. A filter channel is provided inside the filter body. One end of the filter body is provided with an air inlet connector, and the other end is provided with an air outlet connector. The air inlet connector is provided with an air inlet connected to the filter channel, and the air outlet connector is provided with an air outlet connected to the filter channel. A support platform is provided on the bottom wall of the filter body. The filter assembly is inclinedly arranged in the filter channel, with one end abutting against the support platform and the other end supported by the inner wall of the filter body and pressed by the sealing pressure plate. The position on the inner wall of the filter body for supporting the filter assembly is located between the air outlet and the sealing pressure plate. The filter assembly is inclinedly arranged in the filter channel. Under the condition of the same filter area, the volume of the gas filter is reduced and the material utilization rate is improved.

[0004] In related technologies, gas filters intercept impurities and particulate matter in the gas during use. Over time, these impurities gradually accumulate on the surface of the filter element, causing the pores of the filter element to become clogged. A clogged filter element increases the resistance to gas flow and significantly reduces filtration efficiency, requiring regular cleaning. If the cleaning cycle is too long, it may lead to filter failure.

[0005] Therefore, it is necessary to provide a new type of gas filter to solve the above problems. Utility Model Content

[0006] This application provides a novel gas filter to improve the technical problem in related technologies where filter elements intercept impurities and particulate matter in gas during use, but over time, these impurities gradually accumulate on the surface of the filter element, causing the pores of the filter element to become clogged.

[0007] This application provides a novel gas filter, including a tank, an inlet pipe, an outlet pipe, a contact plate, a rotating plate, a coarse filter screen, a fine filter cartridge, and a cleaning component. The inlet pipe and the outlet pipe are both mounted on the tank. The contact plate is mounted on one end of the outlet pipe extending into the tank. The rotating plate is rotatably sealed on the contact plate. The coarse filter screen is mounted on the contact plate. The fine filter cartridge is mounted on the rotating plate and is disposed inside the coarse filter screen. The cleaning component is rotatably sleeved between the fine filter cartridge and the coarse filter screen. The cleaning component includes a connecting ring with evenly spaced dividing grooves. Blades are disposed at positions corresponding to the dividing grooves. The contact plate has evenly spaced first drain holes, and the rotating plate has second drain holes at positions corresponding to the first drain holes.

[0008] The technical solutions described above in this application embodiment have at least the following technical effects: When the gas filter is filtering gas, the gas first enters from the inlet pipe, passes through the coarse filter screen and the fine filter cylinder to filter the gas. Over time, impurities will gradually accumulate on the surface of the coarse filter screen and the fine filter cylinder. During the cleaning process, water is poured in from the outlet pipe and flows out through the partition groove, generating thrust on the blades and causing the blades to rotate. This facilitates the connecting ring cleaning the outer wall of the fine filter cylinder, while the rinsing of the water facilitates the cleaning of impurities on the coarse filter screen.

[0009] The novel gas filter provided in this application can remove impurities from the filter in a timely manner through a cleaning component, preventing excessive accumulation of impurities that could clog the filter screen and filter cartridge. Timely cleaning reduces wear and corrosion caused by impurities, lowers the risk of filter damage, and extends its service life. This cleaning method does not require removing the filter from the gas pipeline system; it can be cleaned directly by pouring water into the gas outlet pipe. This greatly simplifies the cleaning process, saves time and labor costs, and also reduces the risks that may arise from disassembling and reinstalling the filter, such as leaks at pipe connections.

[0010] In some embodiments, the connecting ring and the blade are integrated into one piece, and a thin-walled rotary bearing is sleeved on the upper end of the fine filter cylinder, with the connecting ring sleeved on the outer ring of the thin-walled rotary bearing.

[0011] In some embodiments, the outer wall of the tank is provided with a support frame, and the support frame is distributed in a ring array about the tank.

[0012] In some embodiments, a flange cover is sealed on the tank body, a flat rotating bearing is provided on the end of the fine filter cylinder away from the rotating plate, and a rotating handle is fixedly provided on the fine filter cylinder. The rotating handle passes through the flange cover, and the rotating handle and the flange cover are sealed and rotatably connected.

[0013] In some embodiments, a first sealing element is provided on the abutment plate at a position corresponding to the coarse filter screen, the first sealing element being rotatably connected to the rotating plate, a second sealing element is provided on the flange cover at a position corresponding to the coarse filter screen, and a third sealing element is provided on the rotating plate at a position corresponding to the fine filter cylinder.

[0014] In some embodiments, the tank body is provided with a connecting bracket, the connecting bracket is provided with a differential pressure gauge, the differential pressure gauge is sealed with a first connecting hose and a second connecting hose, the other end of the first connecting hose is sealed on the air inlet pipe, and the other end of the second connecting hose is sealed on the air outlet pipe.

[0015] In some embodiments, a drain valve is provided at the bottom of the tank. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of the novel gas filter provided in the embodiments of this application;

[0017] Figure 2 This is a schematic cross-sectional view of the tank provided in an embodiment of this application;

[0018] Figure 3 A cross-sectional structural diagram of the cleaning component provided in an embodiment of this application;

[0019] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 for Figure 3 Enlarged view at point B in the middle;

[0021] Figure 6 A three-dimensional structural diagram of the connecting ring provided in an embodiment of this application;

[0022] The following are the labeling elements in the figure:

[0023] 1. Tank body; 11. Support frame; 12. Inlet pipe; 13. Outlet pipe; 14. Flange cover; 15. Coarse filter screen; 16. Fine filter cylinder; 17. Abutment plate; 18. Rotating plate; 2. Cleaning components; 21. Thin-walled rotary bearing; 22. Connecting ring; 23. Dividing groove; 24. Blade; 25. First drain hole; 26. Second drain hole; 27. Flat rotary bearing; 28. Rotating handle; 3. Differential pressure gauge; 31. Connecting bracket; 32. First connecting hose; 33. Second connecting hose; 4. Drain valve; 5. First seal; 51. Second seal; 52. Third seal. Detailed Implementation

[0024] Based on this, in order to improve the technical problem in the related technology that the filter element intercepts impurities and particulate matter in the gas during use, and that the impurities gradually accumulate on the surface of the filter element over time, causing the pores of the filter element to be blocked, the embodiments of this application provide the following solution.

[0025] Please refer to the following: Figures 1 to 6 This application provides a novel gas filter, which includes a tank 1, a support frame 11, an inlet pipe 12, an outlet pipe 13, a contact plate 17, a rotating plate 18, a coarse filter screen 15, a fine filter cartridge 16, and a cleaning component 2. The support frame 11 is mounted on the tank 1, the inlet pipe 12 is mounted on the tank 1, the outlet pipe 13 is mounted on the tank 1, the contact plate 17 is mounted on one end of the outlet pipe 13 extending into the tank 1, the rotating plate 18 is rotatably sealed on the contact plate 17, the coarse filter screen 15 is mounted on the contact plate 17, the fine filter cartridge 16 is mounted on the rotating plate 18, and the cleaning component 2 is mounted on the fine filter cartridge 16.

[0026] In some embodiments, please refer to the following: Figures 1 to 6 The cleaning component 2 includes a thin-walled rotary bearing 21 and a connecting ring 22. The thin-walled rotary bearing 21 is mounted on the fine filter cylinder 16, and the connecting ring 22 is mounted on the end of the thin-walled rotary bearing 21 away from the fine filter cylinder 16. The connecting ring 22 has evenly arranged partition grooves 23, and blades 24 are arranged at positions corresponding to the partition grooves 23. The connecting ring 22 and the blades 24 are integrated. The abutment plate 17 has evenly arranged first drain holes 25, and the rotating plate 18 has second drain holes 26 at positions corresponding to the first drain holes 25. The tank body 1 is sealed with a flange cover 14. The thin-walled rotary bearing 21 is mounted on the end of the fine filter cylinder 16 away from the rotating plate 18. A rotating handle 28 is fixedly mounted on the fine filter cylinder 16. The rotating handle 28 passes through the flange cover 14, and the rotating handle 28 and the flange cover 14 are sealed and rotatably connected.

[0027] With this setup, during the gas filter's filtration process, gas first enters through the inlet pipe 12, passing through the coarse filter screen 15 and the fine filter cylinder 16 for filtration. Over time, impurities gradually accumulate on the surfaces of the coarse filter screen 15 and the fine filter cylinder 16. During cleaning, the fine filter cylinder 16 is first rotated by turning the handle 28, causing the second drain hole 26 on the rotating plate 18 to misalign with the first drain hole 25 on the abutment plate 17, thus sealing the rotating plate 18 and the abutment plate 17. Water is then injected through the outlet pipe 13 and flows out through the partition groove 23, cleaning the blades. The blade 24 generates thrust, causing the thin-walled rotary bearing 21 to drive the connecting ring 22 to rotate. Cleaning brushes can be installed on the inner wall of the connecting ring 22 and on the blade 24. These brushes facilitate cleaning of impurities on the outer wall of the fine filter cylinder 16, while the brushes on the blade 24 clean the coarse filter screen 15. Simultaneously, the water flow helps clean impurities from the coarse filter screen 15. After cleaning, the fine filter cylinder 16 is rotated by turning the handle 28, causing the second drain hole 26 on the rotating plate 18 to abut against the first drain hole 25 on the abutment plate 17, facilitating the discharge of the cleaned impurity particles from the fine filter cylinder 16. Thus, by rotating the fine filter cylinder 16, the second drain hole 26 on the rotating plate 18 and the first drain hole 25 on the abutment plate 17 are misaligned, achieving a sealed state. At this time, water flows in from the air outlet pipe 13 and flows out through the partition groove 23, pushing the blades 24 and causing the thin-walled rotating bearing 21 and the connecting ring 22 to rotate. The cleaning brush on the inner wall of the connecting ring 22 can thoroughly clean the outer wall of the fine filter cartridge 16, effectively removing impurities. As the water flows out through the partition groove 23, it also washes the coarse filter screen 15, washing away the impurities on the coarse filter screen 15. This achieves simultaneous cleaning of the coarse filter screen 15 and the fine filter cartridge 16. The combination of the flushing force of the water flow and the scrubbing force of the cleaning brush can efficiently remove impurities from the surface of the filter and restore the filter's filtration performance.

[0028] In some embodiments, please refer to the following: Figures 3 to 5 A first sealing element 5 is provided on the abutment plate 17 at the position corresponding to the coarse filter screen 15. The first sealing element 5 is rotatably connected to the rotating plate 18. A second sealing element 51 is provided on the flange cover 14 at the position corresponding to the coarse filter screen 15. A third sealing element 52 is provided on the rotating plate 18 at the position corresponding to the fine filter cylinder 16. A connecting bracket 31 is provided on the tank body 1. A differential pressure gauge 3 is provided on the connecting bracket 31. A first connecting hose 32 and a second connecting hose 33 are sealed on the differential pressure gauge 3. The other end of the first connecting hose 32 is sealed on the air inlet pipe 12. The other end of the second connecting hose 33 is sealed on the air outlet pipe 13. A drain valve 4 is provided at the bottom of the tank body 1.

[0029] This configuration ensures a tight seal between the coarse filter screen 15 and the fine filter cartridge 16, and between them and the flange cover 14 and the abutment plate 17, reducing the probability of leakage. Simultaneously, if the coarse filter screen 15 and the fine filter cartridge 16 are not cleaned for an extended period, impurities will gradually accumulate on the filter element surface, causing blockage of the filter element's pores. The differential pressure gauge 3 measures the pressure difference between the inlet pipe 12 and the outlet pipe 13 to remind the user to clean the filter element. After cleaning, the impurities are discharged through the drain valve 4 at the bottom of the tank 1. Thus, the first seal 5, the second seal 51, and the third seal 52 respectively serve to seal the connection between the coarse filter screen 15, the fine filter cartridge 16, and the flange cover 14 and the abutment plate 17. These seals effectively prevent gas leakage from the joints during the filtration process, ensuring the gas filter's airtightness. The differential pressure gauge 3 is used to measure the pressure difference between the inlet pipe 12 and the outlet pipe 13. When impurities accumulate on the filter element surface, causing pore blockage, the pressure difference will gradually increase. Through the monitoring of the differential pressure gauge 3, users can promptly detect changes in pressure difference, thus reminding them to clean the filter element. The cleaned impurities can be discharged through the drain valve 4 below the tank 1. This design avoids the long-term accumulation of impurities in the filter and reduces the risk of secondary pollution.

[0030] The implementation principle of a novel gas filter according to this application embodiment is as follows: During the gas filtration process, gas first enters through the inlet pipe 12, passing through the coarse filter screen 15 and the fine filter cylinder 16 for filtration. Over time, impurities gradually accumulate on the surfaces of the coarse filter screen 15 and the fine filter cylinder 16. During cleaning, the fine filter cylinder 16 is first rotated by turning the handle 28, causing the second drain hole 26 on the rotating plate 18 to misalign with the first drain hole 25 on the abutment plate 17, thus sealing the rotating plate 18 and the abutment plate 17. Water is then injected through the outlet pipe 13 and flows out through the partition groove 23, generating thrust on the blades 24. This causes the thin-walled rotating bearing 21 to drive the connecting ring 22 to rotate. A cleaning brush can be installed on the inner wall of the connecting ring 22 to facilitate cleaning impurities on the outer wall of the fine filter cylinder 16. Meanwhile, the water flow facilitates the cleaning of impurities on the coarse filter screen 15. After cleaning, the fine filter cylinder 16 is rotated by turning the handle 28, so that the second drain hole 26 on the rotating plate 18 abuts against the first drain hole 25 on the abutment plate 17, which facilitates the discharge of impurity particles cleaned from the fine filter cylinder 16. The first seal 5, the second seal 51, and the third seal 52 help to seal the connection between the coarse filter screen 15 and the fine filter cylinder 16 and the flange cover 14 and the abutment plate 17, reducing the probability of leakage. At the same time, if the coarse filter screen 15 and the fine filter cylinder 16 are not cleaned for a long time, impurities will gradually accumulate on the surface of the filter element, causing the pores of the filter element to be blocked. The differential pressure gauge 3 measures the pressure difference between the air inlet pipe 12 and the air outlet pipe 13 to remind the user to clean the filter element. After cleaning, the filter element is discharged through the drain valve 4 at the bottom of the tank 1.

[0031] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A novel gas filter, characterized in that: The system includes a tank (1), an inlet pipe (12), an outlet pipe (13), a contact plate (17), a rotating plate (18), a coarse filter (15), a fine filter cylinder (16), and a cleaning component (2). The inlet pipe (12) is mounted on the tank (1), the outlet pipe (13) is mounted on the tank (1), the contact plate (17) is mounted on one end of the outlet pipe (13) extending into the tank (1), the rotating plate (18) is rotatably sealed on the contact plate (17), the coarse filter (15) is mounted on the contact plate (17), and the fine filter cylinder (16) is mounted on the rotating plate (18). On the plate (18), the fine filter cylinder (16) is disposed inside the coarse filter screen (15), and the cleaning component (2) is rotatably sleeved between the fine filter cylinder (16) and the coarse filter screen (15). The cleaning component (2) includes a connecting ring (22), on which a partition groove (23) is evenly arrayed, and a blade (24) is disposed at a position corresponding to the partition groove (23). A first drain hole (25) is evenly arrayed on the abutment plate (17), and a second drain hole (26) is disposed on the rotating plate (18) at a position corresponding to the first drain hole (25).

2. The novel gas filter according to claim 1, characterized in that: The connecting ring (22) and the blade (24) are integrated. The upper end of the fine filter cylinder (16) is fitted with a thin-walled rotating bearing (21), and the connecting ring (22) is fitted on the outer ring of the thin-walled rotating bearing (21).

3. A novel gas filter according to claim 2, characterized in that: The outer wall of the tank (1) is provided with a support frame (11), and the support frame (11) is arranged in a ring array about the tank (1).

4. A novel gas filter according to claim 3, characterized in that: The tank body (1) is sealed with a flange cover (14). A flat rotating bearing (27) is provided on the end of the fine filter cylinder (16) away from the rotating plate (18). A rotating handle (28) is fixedly provided on the fine filter cylinder (16). The rotating handle (28) passes through the flange cover (14). The rotating handle (28) and the flange cover (14) are sealed and rotatably connected.

5. A novel gas filter according to claim 4, characterized in that: A first sealing element (5) is provided on the abutment plate (17) at a position corresponding to the coarse filter screen (15). The first sealing element (5) is rotatably connected to the rotating plate (18). A second sealing element (51) is provided on the flange cover (14) at a position corresponding to the coarse filter screen (15). A third sealing element (52) is provided on the rotating plate (18) at a position corresponding to the fine filter cylinder (16).

6. A novel gas filter according to claim 5, characterized in that: A connecting bracket (31) is provided on the tank (1), and a differential pressure gauge (3) is provided on the connecting bracket (31). A first connecting hose (32) and a second connecting hose (33) are sealed on the differential pressure gauge (3). The other end of the first connecting hose (32) is sealed on the air inlet pipe (12), and the other end of the second connecting hose (33) is sealed on the air outlet pipe (13).

7. A novel gas filter according to claim 6, characterized in that: A drain valve (4) is provided below the tank body (1).

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