CN219539799U

CN219539799U - Air filter for gas analyzer

Info

Publication number: CN219539799U
Application number: CN202320728930.3U
Authority: CN
Inventors: 杜文婷; 张利; 戚聿明; 王奇
Original assignee: Qingdao Sentian Environmental Technology Co ltd
Current assignee: Qingdao Sentian Environmental Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-18
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses an air filtering device for a gas analyzer, which comprises a filter cylinder, wherein a thread groove is formed in the outer wall of the bottom end of the filter cylinder, a sealing cover matched with the thread groove in thread is spirally arranged at the bottom end of the filter cylinder, a sedimentation cylinder is arranged in the filter cylinder, the sedimentation cylinder is fixedly connected with the sealing cover, a vibration pump is fixedly arranged on the outer wall of the filter cylinder, three mounting grooves are formed in the inner wall of the filter cylinder, rectangular grooves are formed in the two sides of the inner wall of the filter cylinder, a primary filter screen, an active carbon filter screen and a HEPA filter screen are sequentially arranged in the three mounting grooves from bottom to top, and a filter cover is arranged at the top end of the filter cylinder. According to the utility model, the sedimentation cylinder is arranged, the vibration pump is started in the air purifying process, the filter cylinder vibrates, dust accumulated on the primary filter screen, the active carbon filter screen and the HEPA filter screen slowly drops into the sedimentation cylinder along with the vibration, and the dust in the sedimentation cylinder is dumped through the rotary sealing cover, so that the influence of excessive dust on the purity of air filtration is avoided.

Description

Air filter for gas analyzer

Technical Field

The utility model relates to the technical field of gas analyzers, in particular to an air filtering device for a gas analyzer.

Background

In many production processes, particularly in the production process where chemical reactions exist, automatic control based on physical parameters such as temperature, pressure, flow rate, etc. is often insufficient, and it is necessary to measure the contents of various components of the gas generated by the reaction using a gas analyzer. In the process of measuring the content of the gas components by using the gas analyzer, an air filtering device is required to be arranged at the gas inlet and used for filtering and screening various impurities in the gas, so that the impurities are prevented from entering the gas analyzer to interfere the working operation of the gas analyzer.

When the existing filtering device filters air, a large amount of dust can be accumulated on the filter screen, and if the dust is not timely removed, the purity of the air after filtration can be affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an air filtering device for a gas analyzer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an air filter for gas analysis appearance, includes strains the section of thick bamboo, strain the section of thick bamboo bottom outer wall and seted up the screw groove, strain the spiral installation of section of thick bamboo bottom have with screw groove screw thread matched sealed lid, strain the inside precipitation section of thick bamboo that is provided with of section of thick bamboo, precipitation section of thick bamboo and sealed lid fixed connection, strain a section of thick bamboo outer wall fixed mounting has the vibrations pump, strain the section of thick bamboo inner wall and seted up three mounting groove, strain section of thick bamboo inner wall both sides and all seted up the rectangular channel, three the mounting groove is from supreme initial filter screen, active carbon filter screen, HEPA filter screen of installing down in proper order, it is provided with the filter cover to strain the section of thick bamboo top.

Further, the bottom end of the filter cover is fixedly provided with an upper flange, the top end of the filter cylinder is fixedly provided with a lower flange, screw holes are formed in the upper flange and the lower flange, fixing screws are movably installed in the screw holes, and the filter cover is detachably connected with the filter cylinder through the fixing screws.

Further, an exhaust fan is fixedly arranged at the top end of the filter cover, an air outlet hole is formed in one side of the filter cover, and an exhaust pipe is fixedly arranged at the position of the air outlet hole.

Furthermore, an air inlet hole is formed in one side of the filter cylinder, the air inlet hole is positioned between the primary filter screen and the sedimentation cylinder, and an air inlet pipe is fixedly arranged at the position of the air inlet hole.

Further, the fixture blocks are fixedly arranged at the two ends of the primary filter screen, the active carbon filter screen and the HEPA filter screen.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the sedimentation cylinder is arranged, the vibration pump is started in the air purifying process, the filter cylinder vibrates, dust accumulated on the primary filter screen, the active carbon filter screen and the HEPA filter screen slowly drops into the sedimentation cylinder along with the vibration, and the dust in the sedimentation cylinder is dumped through the rotary sealing cover, so that the influence of excessive dust on the purity of air filtration is avoided.

2. According to the utility model, the primary filter screen, the activated carbon filter screen and the HEPA filter screen are arranged, the exhaust fan is started, external air enters the filter cylinder from the air inlet pipe, the external air is filtered by the primary filter screen, small dust particles and dust are adsorbed by the primary filter screen, the air passes through the activated carbon filter screen, the odor and peculiar smell in the air can be removed by the activated carbon, the harmful gases such as formaldehyde and carbon monoxide can be purified, and finally the purified gas reaches the filter cover after being filtered by the HEPA filter screen and is discharged by the exhaust pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an air filter device for a gas analyzer according to the present utility model;

FIG. 2 is an exploded view of HEPA filter and cartridge of an air filtration device for a gas analyzer according to the present utility model;

FIG. 3 is an exploded view of a cartridge and a seal cap of an air filtration device for a gas analyzer according to the present utility model;

fig. 4 is a schematic diagram of a filter cover of an air filtering device for a gas analyzer according to the present utility model.

In the figure: 1. a filter cartridge; 2. a thread groove; 3. sealing cover; 4. a precipitation drum; 5. a vibration pump; 6. a mounting groove; 7. rectangular grooves; 8. a primary filter screen; 9. an activated carbon filter screen; 10. HEPA filter screen; 11. a filter cover; 12. an upper flange; 13. a lower flange; 14. screw holes; 15. a set screw; 16. an exhaust fan; 17. an air outlet hole; 18. an exhaust pipe; 19. an air inlet hole; 20. an air inlet pipe; 21. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an air filter for a gas analyzer comprises a filter cartridge 1, a thread groove 2 is formed in the outer wall of the bottom end of the filter cartridge 1, a sealing cover 3 matched with the thread groove 2 is spirally arranged at the bottom end of the filter cartridge 1, a precipitation drum 4 is arranged inside the filter cartridge 1, the precipitation drum 4 is fixedly connected with the sealing cover 3, a vibration pump 5 is fixedly arranged on the outer wall of the filter cartridge 1, three mounting grooves 6 are formed in the inner wall of the filter cartridge 1, rectangular grooves 7 are formed in two sides of the inner wall of the filter cartridge 1, a primary filter screen 8, an activated carbon filter screen 9 and a HEPA filter screen 10 are sequentially arranged in the mounting grooves 6 from bottom to top, a vibration pump 5 is started in the air purifying process, the filter cartridge 1 generates vibration, dust accumulated on the primary filter screen 8, the activated carbon filter screen 9 and the HEPA filter screen 10 slowly drops into the precipitation drum 4 along with the vibration, the dust in the precipitation drum 4 is reversely discharged through the rotary sealing cover 3, a filter cover 11 is arranged at the top end of the filter cartridge 1, small dust particles and dust particles are adsorbed on the primary filter screen 8, the dust particles and dust are sequentially removed from the active carbon filter screen 9, the active carbon filter screen 9 can be removed, the active carbon filter screen and the harmful carbon dust can reach the filter screen 11 and the air after the air is purified through the filter screen 11, and the odor filter screen can reach the air filter screen 11.

Referring to fig. 1-4, the present utility model is specifically: the filter cover 11 is characterized in that an upper flange 12 is fixedly arranged at the bottom end of the filter cover 11, a lower flange 13 is fixedly arranged at the top end of the filter cartridge 1, screw holes 14 are formed in the upper flange 12 and the lower flange 13, fixing screws 15 are movably arranged in the screw holes 14, and the filter cover 11 is detachably connected with the filter cartridge 1 through the fixing screws 15.

Referring to fig. 1-4, the present utility model is specifically: the top end of the filter cover 11 is fixedly provided with an exhaust fan 16, one side of the filter cover 11 is provided with an air outlet hole 17, the position of the air outlet hole 17 is fixedly provided with an exhaust pipe 18, and purified gas is exhausted from the exhaust pipe 18.

Referring to fig. 1-3, the present utility model is specifically: an air inlet hole 19 is formed in one side of the filter cylinder 1, the air inlet hole 19 is located between the primary filter screen 8 and the sedimentation cylinder 4, an air inlet pipe 20 is fixedly arranged at the position of the air inlet hole 19, and external air enters the filter cylinder 1 through the air inlet pipe 20.

Referring to fig. 2, the present utility model is specifically: the equal fixed mounting in both ends of just imitate filter screen 8, active carbon filter screen 9, HEPA filter screen 10 has fixture block 21, and effect filter screen 8, active carbon filter screen 9, HEPA filter screen 10 pass through fixture block 21 activity block in mounting groove 6.

Working principle: after the filter cover 11 is connected and fixed with the filter cartridge 1 through the fixing screw 15, the exhaust fan 16 is started, external air enters the filter cartridge 1 through the air inlet pipe 20, the external air firstly passes through the filtration of the primary filter screen 8, the primary filter screen 8 adsorbs small dust particles and dust, then the active carbon filter screen 9 can remove odor and peculiar smell in the air, formaldehyde, carbon monoxide and other harmful gases, finally the purified gas reaches the filter cover 11 after the filtration of the HEPA filter screen 10, the exhaust pipe 18 is used for discharging, the vibration pump 5 is started in the air purifying process, the filter cartridge 1 generates vibration, dust accumulated on the primary filter screen 8, the active carbon filter screen 9 and the HEPA filter screen 10 slowly falls into the sedimentation cylinder 4 along with the vibration, and the dust in the sedimentation cylinder 4 is dumped through the rotary sealing cover 3.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims

1. The utility model provides an air filter for gas analysis appearance, its characterized in that, including straining a section of thick bamboo (1), strain section of thick bamboo (1) bottom outer wall and offered thread groove (2), strain section of thick bamboo (1) bottom screw-thread mount have with thread groove (2) screw-thread matched's sealed lid (3), strain a section of thick bamboo (1) inside be provided with precipitation section of thick bamboo (4), precipitation section of thick bamboo (4) and sealed lid (3) fixed connection, strain a section of thick bamboo (1) outer wall fixed mounting has vibrations pump (5), strain a section of thick bamboo (1) inner wall and offered three mounting groove (6), strain a section of thick bamboo (1) inner wall both sides and all offered rectangular channel (7), three install first effect filter screen (8), active carbon filter screen (9), HEPA filter screen (10) from down supreme in proper order in mounting groove (6), strain a (1) top is provided with filter cover (11).

2. The air filtering device for the gas analyzer according to claim 1, wherein an upper flange (12) is fixedly arranged at the bottom end of the filtering cover (11), a lower flange (13) is fixedly arranged at the top end of the filtering cylinder (1), screw holes (14) are formed in the upper flange (12) and the lower flange (13), fixing screws (15) are movably arranged in the screw holes (14), and the filtering cover (11) is detachably connected with the filtering cylinder (1) through the fixing screws (15).

3. The air filtering device for the gas analyzer according to claim 2, wherein an exhaust fan (16) is fixedly arranged at the top end of the filtering cover (11), an air outlet hole (17) is formed in one side of the filtering cover (11), and an exhaust pipe (18) is fixedly arranged at the position of the air outlet hole (17).

4. The air filtering device for the gas analyzer according to claim 2, wherein an air inlet hole (19) is formed in one side of the filter cylinder (1), the air inlet hole (19) is located between the primary filter screen (8) and the precipitation cylinder (4), and an air inlet pipe (20) is fixedly arranged at the position of the air inlet hole (19).

5. The air filtering device for the gas analyzer according to claim 4, wherein clamping blocks (21) are fixedly arranged at two ends of the primary filter screen (8), the active carbon filter screen (9) and the HEPA filter screen (10).