CN221207284U

CN221207284U - Self-cleaning air filter

Info

Publication number: CN221207284U
Application number: CN202322568317.2U
Authority: CN
Inventors: 许召中; 谢克海; 王细菊
Original assignee: Anhui Shengrun Boyuan Mechanical Equipment Co ltd
Current assignee: Anhui Shengrun Boyuan Mechanical Equipment Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-06-25
Anticipated expiration: 2033-09-21

Abstract

The utility model provides a self-cleaning air filter, which relates to the technical field of air purification and overcomes the defects that the efficiency is reduced and the back-blown dust is easy to be sucked secondarily due to frosting in winter of the traditional self-cleaning air filter, and the self-cleaning air filter comprises a box body and supporting legs, wherein the box body is sequentially provided with an air suction chamber, a filter chamber and an air purifying chamber from bottom to top; the back-blown dust can be collected and cleaned, and secondary pollution is avoided.

Description

Self-cleaning air filter

Technical Field

The utility model belongs to the technical field of air purification, and particularly relates to a self-cleaning air filter.

Background

The natural air contains various dust particles, and the dust content of the air is required in many occasions, such as various air compressor air inlet systems, steelmaking blast furnace induced draft systems, large-scale gas engine air inlet systems, centralized ventilation air-conditioning systems and the like, and the occasions all need to carry out purification treatment on the air. After the aerodynamic device sucks the air containing dust, the device will wear, the sucked dust will scale on the surface of the fan blade, the dynamic balance unbalance precision of the rotor in the device will be reduced, the service life will be greatly shortened, the harmful chemical components in the dust will rust and corrode the device, therefore the aerodynamic device must be equipped with a high precision air filter.

At present, in the use of the existing self-cleaning air filter, the surface of filter paper on a filter cartridge is frozen due to cold weather, so that external air flow cannot enter through a filter layer to be filtered, and therefore the purification efficiency of air is affected. Therefore, how to prevent the surface of the filter paper from frosting and improve the air purification efficiency; avoiding the secondary suction of dust and improving the service life of the filter cylinder are the technical problems which are needed to be solved currently.

Disclosure of utility model

The purpose of the utility model is that: a self-cleaning air filter is provided to solve the technical problems in the prior art.

According to the above purpose, the basic technical scheme of the utility model is as follows: the utility model provides a self-cleaning air cleaner, includes box and supporting leg, the box is suction chamber, filter chamber and clean gas room from bottom to top in proper order, fixedly connected with support frame on the supporting leg, be equipped with the water storage tank on the support frame, the water storage tank is located suction chamber below and frame connect on the support frame, be equipped with the water inlet on the water storage tank, the bottom is equipped with the outlet, be connected with the valve on the outlet, suction chamber fixedly connected with filter screen, the filter screen inner wall bonds there is the non-woven fabrics the filter chamber with be equipped with the baffle between the clean gas room, the baffle riveting is in on the box inner wall be equipped with heating cartridge and self-cleaning subassembly in the filter chamber, the heating cartridge passes baffle fixedly connected with venturi, self-cleaning subassembly part passes the baffle is arranged in the venturi top, the clean gas room right side is equipped with the gas outlet, the box outside is connected with the electric cabinet.

Further, the water storage tank is a stainless steel box body with an opening at the top.

Further, the filter screen is a diamond steel wire screen.

Further, an electric tracing band is wound on the outer surface of the filtering layer of the heating filter cylinder, and a temperature sensor is connected to the bottom of the heating filter cylinder.

Further, the self-cleaning assembly comprises a self-cleaning air inlet, an air inlet pipe, an air storage tank, an air pipe, a connecting pipe and a blowback nozzle, wherein the self-cleaning air inlet is positioned at the outer side of the filtering chamber and connected with the air inlet pipe, the air inlet pipe penetrates into the filtering chamber and is connected with the air storage tank, the air pipe is positioned above the air storage tank and is connected with the air storage tank, the air pipe penetrates through the partition plate and is connected with the connecting pipe, and one side of the connecting pipe is provided with the blowback nozzle and is connected with the blowback nozzle.

Further, the number of the back blowing nozzles and the venturi pipes is 12 to 18, 4 to 6 vertical rows of the back blowing nozzles and the venturi pipes are distributed in each group, and the back blowing nozzles and the venturi pipes are in one-to-one correspondence.

Furthermore, the number of the gas pipes and the number of the connecting pipes are at least 3, electromagnetic valves are arranged on the gas pipes, and the electromagnetic valves are fixedly connected with the gas pipes.

Further, the electric tracing band, the temperature sensor, the electromagnetic valve and the electric cabinet are electrically connected.

Further, an opening door is arranged on the filter screen and is movably connected to the supporting leg.

Further, an access hole is formed in the top of the clean air chamber.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. The heating filter cartridge of the product can heat the filter cartridge in cold weather, prevent the surface of the filter paper from icing, prevent external air flow from entering through the filter layer for filtering, and improve the air purification efficiency.

2. The water storage tank is arranged below the air suction chamber of the product, so that dust blown back can be collected and cleaned, secondary suction is avoided, and the service life of the filter cylinder is prolonged.

Drawings

FIG. 1 is a schematic diagram of a front view of an embodiment of the product of the present utility model;

FIG. 2 is a schematic illustration of a heated cartridge of an embodiment of the product of the present utility model;

FIG. 3 is a schematic right-side view of an embodiment of the product of the present utility model;

FIG. 4 is a schematic top view of an embodiment of the product of the present utility model;

In the figure:

1. A case; 2. support legs; 3. an air suction chamber; 4. a filtering chamber; 5. a gas purifying chamber; 6. a support frame; 7. a water storage tank; 8. a water inlet; 9. a water outlet; 10. a valve; 11. a filter screen; 12. a nonwoven fabric; 13. a partition plate; 14. heating the filter cartridge; 141. an electric tracing band; 142. a temperature sensor; 15. self-cleaning components; 151. self-cleaning air inlet; 152. an air inlet pipe; 153. a gas storage tank; 154. a gas pipe; 155. a connecting pipe; 156. a blowback nozzle; 16. a venturi; 17. an air outlet; 18. an electric control box; 19. an electromagnetic valve; 20. opening the door; 21. and an access opening.

Detailed Description

Referring to fig. 1 to 4, a schematic structural diagram of an embodiment of a self-cleaning air filter according to the present utility model includes a box 1 and a supporting leg 2, where the box 1 includes, from bottom to top, an air suction chamber 3, a filtering chamber 4 and a gas purifying chamber 5 in sequence, the supporting leg 2 is fixedly connected with a supporting frame 6, a water storage tank 7 is disposed on the supporting frame 6, the water storage tank 7 is a stainless steel box with an open top, the water storage tank 7 is disposed below the air suction chamber 3 and is framed on the supporting frame 6, a water inlet 8 is disposed on the water storage tank 7, a water outlet 9 is disposed at the bottom, a valve 10 is connected to the water outlet 9, the air suction chamber 3 is fixedly connected with a filtering screen 11, the filtering screen 11 is a diamond steel wire mesh, a non-woven fabric 12 is adhered to an inner wall of the filtering chamber 11, a partition 13 is disposed between the filtering chamber 4 and the gas purifying chamber 5, the partition 13 is riveted on an inner wall of the box 1, a heating filter drum 14 and a self-cleaning assembly 15 are disposed in the filtering chamber 4, an outer surface of the heating drum 14 is wound with a thermal belt, and a bottom sensor 142 is connected to a bottom sensor 142. The self-cleaning assembly 15 comprises a self-cleaning air inlet 151, an air inlet pipe 152, an air storage tank 153, air delivery pipes 154, connecting pipes 155 and blowback nozzles 156, wherein the self-cleaning air inlet 151 is positioned at the outer side of the filtering chamber 4 and is connected with the air inlet pipe 152, the air inlet pipe 152 penetrates into the filtering chamber 4 to be connected with the air storage tank 153, the air delivery pipes 154 are positioned above the air storage tank 153 and are connected with the air storage tank 153, the air delivery pipes 154 penetrate through the partition 13 to be connected with the connecting pipes 155, the number of the air delivery pipes 154 and the connecting pipes 155 is at least 3, electromagnetic valves 19 are arranged on the air delivery pipes 154, and the electromagnetic valves 19 are fixedly connected with the air delivery pipes 154. One side of the connecting pipe 155 is provided with and connected with a blowback nozzle 156, the heating filter cartridge 14 passes through the partition 13 and is fixedly connected with venturi tubes 16, the number of the venturi tubes 16 and the blowback nozzles 155 is 12 to 18, each group of 4 to 6 vertical rows are distributed, the venturi tubes 16 and the blowback nozzles 155 are in one-to-one correspondence, the right side of the clean air chamber 5 is provided with an air outlet 17, and the top is provided with an access hole 21. The outside of the box body 1 is connected with an electric cabinet 18, and the electric tracing band 141, the temperature sensor 142, the electromagnetic valve 19 and the electric cabinet 18 are electrically connected. An opening door 20 is arranged on the filter screen 11, and the opening door 20 is movably connected to the supporting leg 2.

The working process comprises the following steps: the air outlet 17 is connected to an air compressor or other air inlet system requiring air filtering equipment, ambient air is sucked from the air suction chamber 3 through the air compressor, impurities with larger sediment, fallen leaves and particles are filtered through the filter screen 11 and the non-woven fabric 12 outside the air suction chamber 3, then enter the filter chamber 4, pass through the heating filter cartridge 14, are adsorbed on the heating filter cartridge 14 due to the comprehensive effects of gravity inertial diffusion, contact retention and the like, clean air is sucked from the air outlet 17 into the air compressor through the clean air chamber 5. With the continuous suction and filtration of air, dust and dirt can be accumulated on the outer side of the filter element of the heating filter cartridge 14 continuously, after a certain time is reached, or after a certain degree of pressure difference is reached, the control system in the electric cabinet 18 controls each electromagnetic valve 19 to be sequentially conducted and opened according to a set conducting time and a set time interval, the air storage tank 153 sends out a compressed air flow, the compressed air flow is conveyed to the blowback nozzle 156 through the air conveying pipe 154 and the connecting pipe 155, the accumulated dust on the surface of the filter element of the heating filter cartridge 14 is blown off under the actions of jetting, entrainment and compression of the blowback nozzle 156, and each time, blowback self cleaning is carried out on only one row of heating filter cartridges 14, and other heating filter cartridges 14 still carry out filtration work, so that the normal suction of the air compressor is ensured.

Winter or cold weather heating process: when the temperature in the filtering chamber 4 drops to a certain set value, the temperature sensor 142 at the bottom of the heating filter cartridge 14 will sense the temperature, then the temperature sensor 142 transmits a signal to the electric cabinet 18, and the control system in the electric cabinet 18 will control the electric heat tracing band 141 on the surface of the filter cartridge 14 to generate heat according to a set time interval, so as to ensure that the surface of the filter cartridge 14 will not frost.

Back-blowing dust cleaning process: the dust discharged by back blowing falls into the water storage tank 7 at the lower part of the suction chamber 3, a small amount of clean water is contained in the water storage tank 7, so that secondary lifting of the dust is avoided, the discharged dust is continuously increased along with the increase of the service time, at the moment, the clean water is continuously injected through the water inlet 8, meanwhile, the valve 10 is opened, accumulated sewage is discharged through the water outlet 9 by water flow, and cleaning is completed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although used more herein: 1. a case; 2. support legs; 3. an air suction chamber; 4. a filtering chamber; 5. a gas purifying chamber; 6. a support frame; 7. a water storage tank; 8. a water inlet; 9. a water outlet; 10. a valve; 11. a filter screen; 12. a nonwoven fabric; 13. a partition plate; 14. heating the filter cartridge; 141. an electric tracing band; 142. a temperature sensor; 15. self-cleaning components; 151. self-cleaning air inlet; 152. an air inlet pipe; 153. a gas storage tank; 154. a gas pipe; 155. a connecting pipe; 156. a blowback nozzle; 16. a venturi; 17. an air outlet; 18. an electric control box; 19. an electromagnetic valve; 20. opening the door; 21. access holes, and the like, but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

The foregoing has outlined rather broadly the principles and embodiments of the present utility model by providing a self-cleaning air filter in accordance with the present utility model, and by providing a detailed description of the principles and embodiments of the utility model using a preferred embodiment, the embodiments are merely intended to facilitate an understanding of the principles and core concepts of the utility model, and it should be understood that the embodiments of the embodiments described above may be further combined or replaced by a person of ordinary skill in the art without departing from the spirit of the utility model, and that numerous improvements and modifications may be made to the embodiments of the utility model that fall within the scope of the appended claims.

Claims

1. The utility model provides a self-cleaning formula air cleaner, includes box (1) and supporting leg (2), its characterized in that: the utility model discloses a self-cleaning device for the air conditioner, which comprises a box body (1), wherein an air suction chamber (3), a filter chamber (4) and an air purifying chamber (5) are sequentially arranged from bottom to top, a support frame (6) is fixedly connected to a support leg (2), a water storage tank (7) is arranged on the support frame (6), the water storage tank (7) is arranged below the air suction chamber (3) and is erected on the support frame (6), a water inlet (8) is arranged on the water storage tank (7), a water outlet (9) is arranged at the bottom, a valve (10) is connected to the water outlet (9), the air suction chamber (3) is fixedly connected with a filter screen (11), a non-woven fabric (12) is adhered to the inner wall of the filter screen (11), a partition plate (13) is arranged between the filter chamber (4) and the air purifying chamber (5), the partition plate (13) is riveted on the inner wall of the box body (1), a heating filter cartridge (14) and a venturi tube (15) are arranged in the filter chamber (4), the heating cartridge (14) is fixedly connected with a venturi tube (16), the self-cleaning assembly (15) is arranged on the air outlet (17) through the venturi tube (16), an electric cabinet (18) is connected to the outer side of the box body (1).

2. A self-cleaning air filter as claimed in claim 1, wherein: the water storage tank (7) is a stainless steel box body with an opening at the top.

3. A self-cleaning air filter as claimed in claim 1, wherein: the filter screen (11) is a diamond steel wire mesh.

4. A self-cleaning air filter as claimed in claim 1, wherein: the electric tracing band (141) is wound on the outer surface of the filtering layer of the heating filter cylinder (14), and the bottom is connected with the temperature sensor (142).

5. A self-cleaning air filter as defined in claim 4, wherein: self-cleaning subassembly (15) are including self-cleaning air inlet (151), intake pipe (152), gas holder (153), gas-supply pipe (154), connecting pipe (155) and blowback nozzle (156), self-cleaning air inlet (151) are located the filter chamber (4) outside and with intake pipe (152) are connected, intake pipe (152) run through extremely in filter chamber (4) with gas holder (153) are connected, gas-supply pipe (154) are located gas holder (153) top and are connected with it, gas-supply pipe (154) pass baffle (13) with connecting pipe (155) are connected, one side of connecting pipe (155) is equipped with blowback nozzle (156) and is connected with it.

6. A self-cleaning air filter as defined in claim 5, wherein: the number of the back-blowing nozzles (156) and the venturi pipes (16) is 12 to 18, 4 to 6 vertical rows of the back-blowing nozzles are distributed in each group, and the back-blowing nozzles (156) and the venturi pipes (16) are in one-to-one correspondence.

7. A self-cleaning air filter as defined in claim 5, wherein: the number of the air delivery pipes (154) and the number of the connecting pipes (155) is at least 3, electromagnetic valves (19) are arranged on the air delivery pipes (154), and the electromagnetic valves (19) are fixedly connected with the air delivery pipes (154).

8. A self-cleaning air filter as defined in claim 5, wherein: the electric tracing band (141), the temperature sensor (142), the electromagnetic valve (19) and the electric cabinet (18) are electrically connected.

9. A self-cleaning air filter as claimed in claim 1, wherein: an opening door (20) is arranged on the filter screen (11), and the opening door (20) is movably connected to the supporting legs (2).

10. A self-cleaning air filter as claimed in claim 1, wherein: an access hole (21) is formed in the top of the air purifying chamber (5).