CN210964297U

CN210964297U - Air filter

Info

Publication number: CN210964297U
Application number: CN201921761766.6U
Authority: CN
Inventors: 谭旭强; 高见; 尚洪
Original assignee: Chongqing Jiaoneng Building Materials Co ltd
Current assignee: Chongqing Jiaoneng Building Materials Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-10
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to an air filter device relates to filtration's technical field, and it includes induced duct and filter mechanism, filter mechanism includes the casing, filter chamber and air-purifying chamber have been seted up in the casing, filter chamber and air-purifying chamber pass through the bleeder vent intercommunication, induced duct fixed mounting is on the filter chamber, fixed mounting has a plurality of filtering component in the filter chamber, fixed mounting has the draught fan on the air-purifying chamber. The utility model discloses have effective filtered air, clean convenient and effectual effect of maintaining.

Description

Air filter

Technical Field

The utility model belongs to the technical field of dust collecting equipment and specifically relates to an air filtering device is related to.

Background

Many current equipment can produce pollution particles such as dust when working, can cause the pollution of operational environment if directly spill in the air. Meanwhile, the equipment contains more pipelines and valves, and if the air entering the pipelines or valves is not clean enough, the pipelines or valves can be blocked, so that the normal use of the equipment is influenced. Therefore, to ensure the safe and reliable operation of the air separation plant, the air must be pre-purified, i.e., filtered in advance, before being separated.

The prior art refers to chinese patent application with publication number CN109499256A, which discloses an air filtering device, comprising: the filter comprises a first shell, a second shell and a third shell, wherein an air inlet is formed in the first shell, a fine filter component is arranged in the first shell, the fine filter component comprises a filter cavity, a mesh cage and a filter bag coated on the outer side of the mesh cage, and the filter cavity is provided with a filter hole and an air outlet; and the blowing mechanism comprises an air source and a dust removal pipe, and the dust removal pipe extends into the filter cavity. After the air enters the first shell, the fine filtering component filters the air, and the filtered air enters the filtering cavity and is discharged from the air outlet; the purging mechanism can utilize an air source to convey air into the dust removal pipe, and the air can quickly disperse dust attached to the filter holes after entering the filter cavity of the fine filter assembly through the dust removal pipe, so that the dust removal time is shortened, the dust removal effect is good, and the fine filter assembly can filter air repeatedly. The arrangement increases the air flux and shortens the dust removal time, thereby greatly improving the air filtration efficiency.

The above prior art solutions have the following drawbacks: the filtering device disperses dust attached to the filtering holes on the filter bag through the air transmission of the blowing mechanism to the dust removing pipe, but the dust deposited at the fold part of the filter bag is not easy to be blown off and cleaned by the blowback gas, so that the subsequent filtering capability is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air filter device effectively clears up the deposit dust on the filter bag, improves filtration efficiency.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an air filtering device, includes induced duct and filtering mechanism, filtering mechanism includes the casing, filter chamber and air-purifying chamber have been seted up in the casing, filter chamber and air-purifying chamber pass through the bleeder vent intercommunication, induced duct fixed mounting is on the filter chamber, fixed mounting has a plurality of filtering component in the filter chamber, fixed mounting has the draught fan on the air-purifying chamber.

Through adopting above-mentioned technical scheme, draught fan work produces the gas flow that the negative pressure made the casing to make the gas of treating the filtration get into filtering mechanism's filter chamber through the induced duct, and the filter assembly in the filter chamber effectively eliminates the pollution granule in the gas after carrying out filtration treatment to gas. The filtered clean gas enters the air purifying chamber through the air holes, then enters the air inlet of the draught fan and is discharged from the air outlet of the draught fan. The filtering device can effectively filter gas containing pollution particles through the filtering component.

The utility model discloses a further set up to: the filter assembly comprises a filter frame and a filter screen, the cross section of the filter screen is in a sawtooth shape, and the filter assembly is fixed on the filter chamber through the filter frame.

Through adopting above-mentioned technical scheme, filtering component passes through the filter frame to be fixed on the filter chamber, and the transversal cockscomb structure of personally submitting of filter screen can effectively increase the filter area on the unit height, and filtration efficiency is higher.

The utility model discloses a further set up to: the filtering chamber is fixedly provided with a cleaning mechanism, the cleaning mechanism comprises a water-gas separator and an air outlet pipe, and the air outlet pipe penetrates through the air holes and is arranged in the filtering assembly.

Through adopting above-mentioned technical scheme, clean mechanism can clean filtering component. The external high-pressure air source of moisture separator sweeps the filter screen on the filtering component through the outlet duct, can make the granule that adsorbs on the filter screen drop to the realization is to the cleanness of filter screen.

The utility model discloses a further set up to: the drum support mechanism is fixedly installed in the filter chamber and comprises a driving assembly and a drum support piece, and the drum support piece is located in the filter screen and can move relatively.

Through adopting above-mentioned technical scheme, the drum that props the mechanism props the piece and is located filter assembly, and when the movement of drum props the piece, the drum props the piece and can make filter assembly take place the shake to shake off the last adsorbed pollution granule of filter assembly. Simultaneously, the drum support mechanism can be matched with the sweeping of the cleaning mechanism, so that the sweeping of the cleaning mechanism is more convenient.

The utility model discloses a further set up to: the drive assembly comprises an air cylinder, a drive rod, a connecting rod and a mounting seat, the drive rod is fixedly mounted on the air cylinder, the mounting seat is fixedly connected with the drive rod through the connecting rod, and the drum support piece is hinged to be mounted on the mounting seat and is fixedly connected to the inner wall of the filter screen.

Through adopting above-mentioned technical scheme, the cylinder can be as the power supply and be the actuating lever motion, and then the actuating lever drives connecting rod and mount pad motion. Because the drum support member is hinged to the mounting seat, when the mounting seat moves, the drum support member moves along with the mounting seat to stir the filter assembly, so that pollution particles on the filter assembly are shaken off.

The utility model discloses a further set up to: the dust collecting bin is fixedly arranged on one side, away from the air purifying chamber, of the filtering chamber, two sides of a side plate, away from the air purifying chamber, of the filtering chamber are communicated with the dust collecting bin, and a baffle is detachably arranged on one side, away from the filtering chamber, of the dust collecting bin.

Through adopting above-mentioned technical scheme, the pollution granule that shakes off in the filter chamber can fall into the dust collection bin and is gathered by the dust collection bin. When a large amount of pollution particles are accumulated in the dust collection bin, the baffle can be detached to clean the dust collection bin.

The utility model discloses a further set up to: a guide groove which is inclined from the middle to two sides is formed between the filtering components on the side plate of the filtering chamber far away from the air purifying chamber, and a vibration component is fixedly mounted on the outer wall of the dust collecting bin.

Through adopting above-mentioned technical scheme, the pollution granule that drops on the filter component can fall into the dust collection bin through the guide way better, rather than deposit on the curb plate of filter chamber. The vibration component arranged on the outer wall of the dust collection bin can vibrate the dust collection bin and the filter chamber, so that the pollution particles falling on the side wall of the dust collection bin and the side plate of the filter chamber are vibrated and gathered on the baffle at the bottom of the dust collection bin, and the cleaning effect is better.

To sum up, the utility model discloses a beneficial technological effect does:

1. the filtering component is fixedly arranged in the filtering chamber, so that gas containing pollution particles can be effectively filtered, and the cross section of the filtering net is zigzag, so that the filtering area is larger, and the filtering efficiency is higher;

2. the filtering component can be cleaned more thoroughly through the cleaning mechanism and the drum support mechanism, and the cleaning effect is better;

3. the vibration component is fixed on the outer wall of the dust collection bin, so that pollution particles falling from the filter component can be better gathered, and the dust collection bin can be conveniently cleaned by detaching the baffle at the bottom of the dust collection bin.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view taken on the plane A-A in FIG. 1 for showing the structure of the filter mechanism;

FIG. 3 is an enlarged view of a portion C in FIG. 2 for showing the structure of the drum supporting mechanism;

FIG. 4 is a schematic view for showing the structure of the cleaning mechanism and the drum supporting mechanism;

fig. 5 is a schematic view on the B-B plane in fig. 1 for showing the structure of the dust collecting bin and the filter screen.

In the figure: 1. an induced draft pipe; 2. a filtering mechanism; 20. a housing; 21. a filtering chamber; 211. a filter assembly; 2111. a filter frame; 2112. a filter screen; 2113. mounting grooves; 212. an air inlet; 213. an accommodating chamber; 214. an accommodation hole; 215. a guide groove; 22. a gas purifying chamber; 221. air holes are formed; 222. mounting holes; 23. an induced draft fan; 231. an air inlet pipe; 3. a cleaning mechanism; 31. a water-gas separator; 32. a connecting pipe; 33. an air outlet pipe; 331. a chute; 34. a drum support mechanism; 340. a drive assembly; 341. a cylinder; 342. a drive rod; 343. a connecting rod; 344. a mounting seat; 345. a drum support; 3451. a hinged lever; 346. hinging the ear plate; 347. a slider; 35. a dust collection bin; 351. a baffle 352, a vibrating assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, the present invention discloses an air filter device, which includes an induced duct 1, a filter mechanism 2 and a cleaning mechanism 3. Induced air pipe 1 and the air source intercommunication of treating the filtration, filtering mechanism 2 includes inside hollow cuboid casing 20 and fixed mounting 23 on casing 20. The induced draft fan 23 works to generate negative pressure to pump air to be filtered into the induced draft pipe 1, and then the air to be filtered enters the shell 20 to be filtered; the treated clean air enters the induced draft fan 23 from the air inlet of the induced draft fan 23 and is then discharged from the air outlet of the induced draft fan 23.

Referring to fig. 2 and 3, a filter chamber 21 and a gas purification chamber 22 are formed in the housing 20 of the filter mechanism 2, and the filter chamber 21 is communicated with the gas purification chamber 22 through a vent hole 221. An air inlet 212 is formed in one side of the casing 20 far away from the air purifying chamber 22, and the induced duct 1 is fixedly mounted on the air inlet 212. The induced draft fan 23 is fixedly connected with the air purifying chamber 22 through an air inlet pipe 231 fixedly installed on the air inlet. The filtering component 211 is fixedly installed in the filtering chamber 21, the filtering component 211 comprises a filtering frame 2111 and a filtering net 2112 fixedly installed on the filtering frame 2111, and the cross section of the filtering net 2112 is serrated to increase the filtering area in unit height. One side of the air hole 221 is provided with a mounting groove 2113 matched with the filter frame 2111, and the filter assembly 211 is fixedly mounted in the mounting groove 2113 through the filter frame 2111 and covers the air hole 221. The airing hole 221 and the filtering member 211 may be plural, and here, the airing hole 221 and the filtering member 211 are provided in three. Air to be filtered enters the filter chamber 21 through the induced draft tube 1, enters the air purifying chamber 22 through the air holes 221 after being filtered by the filter assembly 211, then enters the air inlet of the induced draft fan 23 through the air inlet tube 231, and is discharged from the air outlet of the induced draft fan 23.

Referring to fig. 2 and 3, the cleaning mechanism 3 includes an aqueous vapor separator 31, a connection pipe 32, and an air outlet pipe 33. The air inlet of the water-gas separator 31 is connected with an external high-pressure air source, the air outlet of the water-gas separator 31 is fixedly connected with the connecting pipe 32, a pair of side walls of the air purifying chamber 22 are provided with penetrating mounting holes 222, and the connecting pipe 32 is arranged on the air purifying chamber 22 in a penetrating manner through the mounting holes 222. An air outlet pipe 33 is fixedly connected to the connecting pipe 32, the air outlet pipe 33 penetrates through the air holes 221 and is positioned in the filtering component 211, and a gap is reserved between the air outlet pipe 33 and the air holes 221 for filtered air to penetrate into the air purifying chamber 22. When the filter assembly 211 needs to be cleaned, the moisture separator 31 is started, the air which is dried after being processed by the moisture separator 31 enters the connecting pipe 32 from the air outlet of the moisture separator 31 and then enters the air outlet pipe 33, then is sprayed out from the outlet of the air outlet pipe 33 and impacts the filter screen 2112, and the filter screen 2112 is blown by the impact of the air flow to shake off the pollution particles adsorbed on the filter screen 2112.

Referring to fig. 3 and 4, in order to further enhance the cleaning effect, a drum support mechanism 34 is fixedly installed in the air purifying chamber 22, the drum support mechanism 34 includes a driving assembly 340 and a drum support 345, and the driving assembly 340 includes an air cylinder 341, a driving rod 342, a connecting rod 343 fixedly installed on the driving rod 342, and an installation seat 344. The cylinder 341 is fixedly arranged on the driving rod 342 to drive the driving rod 342 to move, and the connecting rod 343 is arranged in the air hole 221 in a penetrating way; the cylinder 341 and the driving rod 342 may be one or two, and here, the cylinder 341 and the driving rod 342 are provided in two and installed at both sides of the outlet pipe 33. The mounting base 344 is a plate-shaped structure with the same shape as the filter assembly 211, wherein one main plane is fixedly arranged at one end of the connecting rod 343 far away from the driving rod 342, and the main plane of the mounting base 344 is provided with a penetrating pipe hole for the air outlet pipe 33 to pass through; the outer wall of the air outlet pipe 33 is provided with a sliding groove 331, the mounting seat 344 is fixedly provided with a sliding block 348, and the mounting seat 344 is matched with the sliding groove 331 through the sliding block 348 and is in sliding connection with the air outlet pipe 33. A plurality of sets of hinge lug plates 346 are uniformly distributed on the side wall of the mounting seat 344 along the circumferential direction, and the drum support 345 is hinged on the mounting seat 344 through the hinge lug plates 346. The drum support 345 is an elastic member and is abutted and fixed on the inner wall of the filter screen 2112, the drum support 345 may be a spring, hinge rods 3451 are uniformly and fixedly arranged on the drum support 345 along the circumferential direction, and the drum support 345 is hinged on the hinge lug plate 346 through the hinge rods 3451. The driving rod 342 is driven by the cylinder 341 to move, and the driving rod 342 drives the connecting rod 343 to move in the air hole 221, so that the mounting seat 344 moves in the filter assembly 211; because the drum support members 345 are hinged to the mounting seat 344 and are abutted and fixed to the inner wall of the filter screen 2112, when the mounting seat 344 moves in the filter assembly 211, the drum support members 345 are spread and can shake the filter screen 2112 to drop pollution particles, and when the drum support members 345 are spread, the inner diameter of the filter screen 2112 at the connection position is increased, so that the folds of the filter screen 2112 between the upper and lower drum support members 345 are spread, and dust deposited at the folds is washed away by a back-blowing airflow.

Referring to fig. 2, an accommodating cavity 213 is formed in a side plate of the filtering chamber 21 far away from the air hole 221, a driving rod 342 is installed in the accommodating cavity 213, a connecting rod 343 is fixedly arranged on the driving rod 342, the connecting rod 343 extends into the filtering chamber 21 through the accommodating hole 214, a mounting seat 344 is fixedly arranged at one end of the connecting rod 343 far away from the driving rod 342, and a drum support 345 is hinged to the mounting seat 344 and abuts against the filtering net 2112. An opening is opened on one side of the accommodating cavity 212 far away from the mounting seat 344, and the cylinder 341 is positioned in the opening and is fixedly connected with the driving rod 342.

Referring to fig. 2 and 5, in order to facilitate cleaning of the pollution particles in the filtering chamber 21, a dust collecting bin 35 is fixedly arranged on one side of the filtering chamber 21 away from the air purifying chamber 22, and the dust collecting bin 35 is of a quadrangular frustum pyramid structure with a hollow interior; openings communicated with the dust collecting bin 35 are formed in the two sides of the side plate of the filtering chamber 21 close to the dust collecting bin 35, and pollution particles can fall into the dust collecting bin 35 through the openings. In order to facilitate the pollution particles to fall into the dust collecting chamber 35, a guide groove 215 inclined from the middle to both sides is formed between the filter assemblies 211 on the side plate of the filter chamber 21 adjacent to the dust collecting chamber 35. The side of the dust collecting chamber 35 away from the filter chamber 21 is detachably provided with a baffle 351, and the installation mode can be threaded connection or sliding connection. The outer wall of the dust collecting chamber 35 is fixedly provided with a vibration component 352, and the vibration component 352 can be a vibration motor. The vibration assembly 352 may vibrate the dust bin 35 and the filter chamber 21 to cause contaminant particles to fall onto the barrier 351 at the bottom of the dust bin 35.

The working principle of the air filtering device is as follows: starting the draught fan 23, and enabling air in the air purifying chamber 22 to enter the draught fan 23 by negative pressure generated by the draught fan 23; the gas to be filtered enters the induced draft tube 1 along with the airflow and then enters the filter chamber 21, and the pollution particles in the gas collide with the filter screen 2112 and fall into the dust collection bin 35 or are adsorbed on the filter screen 2112; the filtered gas enters the air purifying chamber 22 through the air holes 221 and is then discharged by the induced draft fan 23.

When the filter assembly 211 needs cleaning, the cylinder 341 is started, the cylinder 341 drives the driving rod 342 to move, and the driving rod 342 drives the connecting rod 343, the mounting seat 344 and the drum support 345 hinged on the mounting seat 344 to move and shake the filter screen 2112, so that the pollution particles adsorbed on the filter screen 2112 fall into the dust collection bin 35. In addition, when the mounting seat 344 moves in the filter assembly 211, the expansion piece 345 is expanded and can shake the filter screen 2112 to drop the pollution particles, when the expansion piece 345 is expanded, the inner diameter of the filter screen 2112 at the joint is increased, so that the fold of the filter screen 2112 between the upper and lower expansion pieces 345 is expanded, and meanwhile, the water-gas separator 31 can be started to enable an external high-pressure air source to be sprayed out from the air outlet pipe 33 through the water-gas separator 31 and impact the filter screen 2112, so that the pollution particles are blown off. Activation of the vibration assembly 352 vibrates the dust bin 35 and filter chamber 21 such that contaminant particles collect on the barrier 351 at the bottom of the dust bin 35. The dust collecting bin 35 is cleaned by removing the blocking plate 351, and the blocking plate 351 is mounted on the dust collecting bin 35 after the cleaning is finished.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an air filter, includes induced duct (1) and filter mechanism (2), its characterized in that: filtering mechanism (2) are including casing (20), seted up filter chamber (21) and air-purifying chamber (22) in casing (20), filter chamber (21) and air-purifying chamber (22) are through bleeder vent (221) intercommunication, induced duct (1) fixed mounting is on filter chamber (21), filter chamber (21) internal fixation installs a plurality of filtering component (211), fixed mounting has draught fan (23) on air-purifying chamber (22).

2. An air filtration device according to claim 1 wherein: the filter assembly (211) comprises a filter frame (2111) and a filter screen (2112), the cross section of the filter screen (2112) is serrated, and the filter assembly (211) is fixed on the filter chamber (21) through the filter frame (2111).

3. An air filtration device according to claim 1 wherein: the filtering chamber (21) is fixedly provided with a cleaning mechanism (3), the cleaning mechanism (3) comprises a water-gas separator (31) and an air outlet pipe (33), and the air outlet pipe (33) penetrates through the air holes (221) and is arranged in the filtering assembly (211).

4. An air filtration device according to claim 1 wherein: the filter chamber (21) is internally and fixedly provided with a drum support mechanism (34), the drum support mechanism (34) comprises a driving assembly (340) and a drum support member (345), and the drum support member (345) is positioned in the filter screen (2112) and can move relatively.

5. An air filtration device according to claim 4 wherein: the driving assembly (340) comprises a cylinder (341), a driving rod (342), a connecting rod (343) and a mounting seat (344), the driving rod (342) is fixedly mounted on the cylinder (341), the mounting seat (344) is fixedly connected with the driving rod (342) through the connecting rod (343), and the drum supporting piece (345) is hinged to the mounting seat (344) and is fixedly connected to the inner wall of the filter screen (2112).

6. An air filtration device according to claim 1 wherein: one side of the filtering chamber (21) far away from the air purifying chamber (22) is fixedly provided with a dust collecting bin (35), two sides of a side plate of the filtering chamber (21) far away from the air purifying chamber (22) are communicated with the dust collecting bin (35), and one side of the dust collecting bin (35) far away from the filtering chamber (21) is detachably provided with a baffle (351).

7. An air filtration device according to claim 6 wherein: a guide groove (215) which is inclined from the middle to two sides is formed between the filtering components (211) on the side plate of the filtering chamber (21) far away from the air purifying chamber (22), and a vibration component (352) is fixedly arranged on the outer wall of the dust collecting bin (35).