CN215916748U

CN215916748U - Back-blowing small-pressure-difference dust-cleaning efficient bag-type dust collector

Info

Publication number: CN215916748U
Application number: CN202122438969.5U
Authority: CN
Inventors: 邹广宁
Original assignee: Guangzhou Meidong Energy Co ltd
Current assignee: Guangzhou Meidong Energy Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-01
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a back-blowing small-pressure-difference dust-cleaning efficient bag-type dust collector, which comprises a dust collector shell, a supporting rod, a dust collecting hopper, a dust outlet, a manhole, a dust collecting component, a filtering component, an air outlet pipe, an air inlet pipe, a fixing plate, a lifting valve, a valve plate, an air bag, a connecting pipe and a back-flushing pipe, and has the following beneficial effects that: the filter bag replacing device is compact in structure and strong in practicability, the spiral humidifier is additionally arranged between the dust outlet at the bottom of the device and the dust collecting box, so that dust can be wetted during collection, potential safety hazards caused by overhigh dust concentration can be avoided, the filter bag can be firmly fixed by arranging the mounting plate with the external threads on one side of the filter bag and connecting the mounting plate with the external threads with the threads through the holes on the outer side of the filter chamber shell and arranging the fixing frame with the internal threads on the inner side of the holes, the filter bag can be replaced by workers in a time-saving and labor-saving manner, the cloth bag replacing efficiency is improved, the shutdown maintenance time is shortened, and the working efficiency is improved.

Description

Back-blowing small-pressure-difference dust-cleaning efficient bag-type dust collector

Technical Field

The utility model relates to a bag-type dust collector, in particular to a back-blowing small-pressure-difference high-efficiency bag-type dust collector for removing dust, and belongs to the field of bag-type dust collectors.

Background

The bag-type dust collector is a dry dust filter. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by the filtering action of the fiber fabric, after the dust-containing gas enters the bag-type dust remover, dust with large particles and large specific gravity falls into the dust hopper due to the sedimentation of the gravity, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified. Present sack cleaner structure is complicated, and the sack is comparatively difficult to the operation when needing to maintain the change, wastes time and energy, increases to shut down and maintains when long, influences equipment and uses.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a reverse blowing low-pressure difference high-efficiency bag-type dust remover for removing dust.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a reverse blowing small pressure difference high-efficiency bag-type dust remover for removing dust, which comprises a dust remover shell, a supporting rod, a dust collecting hopper, a dust outlet, a manhole, a dust collecting component, a filtering component, an air outlet pipe, an air inlet pipe, a fixing plate, a lifting valve, a valve plate, an air bag, a connecting pipe and a back flushing pipe, wherein the periphery of the bottom of the dust remover shell is fixedly connected with the supporting rod, the bottom of the dust remover shell is fixedly connected with the dust collecting hopper, the bottom of the dust collecting hopper is fixedly connected with the dust outlet, the top of the dust remover shell is provided with the manhole, the bottom of the dust outlet is provided with the dust collecting component, one side of the inner wall of the dust remover shell is provided with the filtering component, the top of one side of the dust remover shell is fixedly connected with the air outlet pipe, the bottom of one side of the dust remover shell far away from the air outlet pipe is fixedly connected with the air inlet pipe, and the fixing plate is fixedly connected with the inside of the dust remover shell, the one end of keeping away from out the tuber pipe at the top of dust remover shell is equipped with the poppet valve, the connecting rod of poppet valve runs through to the inside and the fixedly connected with valve plate of dust remover shell, one side fixedly connected with air pocket that the tuber pipe was kept away from to the dust remover shell, the bottom fixedly connected with connecting pipe of air pocket, four recoil pipes of one side fixedly connected with that the connecting pipe is close to the dust remover shell.

As a preferable scheme of the present invention, the dust collection assembly includes a spiral humidifier, a corrugated tube, and a dust collection box, the bottom of the dust outlet is fixedly connected to the spiral humidifier, the bottom of the spiral humidifier is fixedly connected to the corrugated tube, and the bottom of the corrugated tube is fixedly connected to the dust collection box.

As a preferable scheme of the utility model, the filter assembly comprises mounting plates, filter bags and a fixing assembly, four mounting plates are arranged on one side of the dust remover shell, the filter bags are fixedly connected to one ends of the mounting plates, which are close to the dust remover shell, and the fixing assembly is arranged on the outer sides of the mounting plates.

As a preferable scheme of the utility model, the fixing component comprises a fixing frame and fixing rings, the fixing frame is fixedly connected to the inner wall of the dust collector shell and positioned on the outer side of the filter bag, one end of the fixing frame, far away from the mounting plate, is fixedly connected with the fixing plate, and the middle part of the fixing frame is fixedly connected with the fixing rings.

As a preferable scheme of the present invention, an end of the fixing frame near the mounting plate is provided with an internal thread, and an end of the mounting plate extends to the inside of the dust remover housing and is in threaded connection with the fixing frame.

As a preferable scheme of the utility model, the fixing plate is of a Z-shaped structure, a round vent hole is drilled at the position of the fixing plate corresponding to the filter bag, the distance from the middle part of the fixing plate to the inner wall of the dust remover shell is matched with the size of the valve plate, and the position of the back flushing pipe corresponds to the position of the mounting plate.

As a preferable scheme of the utility model, the size of the filter bag is matched with that of the fixed frame.

The utility model has the following beneficial effects: the filter bag replacing device is compact in structure and strong in practicability, the spiral humidifier is additionally arranged between the dust outlet at the bottom of the device and the dust collecting box, so that dust can be wetted during collection, potential safety hazards caused by overhigh dust concentration can be avoided, the filter bag can be firmly fixed by arranging the mounting plate with the external threads on one side of the filter bag and connecting the mounting plate with the external threads with the threads through the holes on the outer side of the filter chamber shell and arranging the fixing frame with the internal threads on the inner side of the holes, the filter bag can be replaced by workers in a time-saving and labor-saving manner, the cloth bag replacing efficiency is improved, the shutdown maintenance time is shortened, and the working efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the fixing assembly of the present invention.

In the figure; 1. a dust collector housing; 2. a support bar; 3. a dust collecting hopper; 4. a dust outlet; 5. a manhole; 6. a dust collection assembly; 61. a spiral humidifier; 62. a bellows; 63. a dust collecting box; 7. a filter assembly; 71. mounting a plate; 72. a filter bag; 73. a fixing assembly; 731. A fixed mount; 732. a fixing ring; 8. an air outlet pipe; 9. an air inlet pipe; 10. a fixing plate; 11. a poppet valve; 12. a valve plate; 13. air bags; 14. a connecting pipe; 15. the tube is flushed back.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in figures 1-3, the utility model provides a reverse blowing small pressure difference dust removal high efficiency bag-type dust collector, which comprises a dust collector shell 1, a support rod 2, a dust collecting hopper 3, a dust outlet 4, a manhole 5, a dust collecting component 6, a filter component 7, an air outlet pipe 8, an air inlet pipe 9, a fixing plate 10, a lift valve 11, a valve plate 12, an air bag 13, a connecting pipe 14 and a backwash pipe 15, wherein the support rod 2 is fixedly connected around the bottom of the dust collector shell 1, the dust collecting hopper 3 is fixedly connected with the bottom of the dust collector shell 1, the dust outlet 4 is fixedly connected with the bottom of the dust collecting hopper 3, the manhole 5 is arranged at the top of the dust collector shell 1, the dust collecting component 6 is arranged at the bottom of the dust outlet 4, the filter component 7 is arranged at one side of the inner wall of the dust collector shell 1, the air outlet pipe 8 is fixedly connected with the top of one side of the dust collector shell 1 far away from the air outlet pipe 8, the air inlet pipe 9 is fixedly connected with the bottom of the one side of the dust collector shell 1, the inside fixedly connected with fixed plate 10 of dust remover shell 1, the one end that goes out tuber pipe 8 is kept away from at the top of dust remover shell 1 is equipped with poppet valve 11, poppet valve 11's connecting rod runs through to the inside and the fixedly connected with valve plate 12 of dust remover shell 1, one side fixedly connected with air bag 13 of tuber pipe 8 is kept away from to dust remover shell 1, the bottom fixedly connected with connecting pipe 14 of air bag 13, connecting pipe 14 is close to four recoil pipes 15 of one side fixedly connected with of dust remover shell 1.

Further, the dust collection assembly 6 comprises a spiral humidifier 61, a corrugated pipe 62 and a dust collection box 63, the bottom of the dust outlet 4 is fixedly connected with the spiral humidifier 61, the bottom of the spiral humidifier 61 is fixedly connected with the corrugated pipe 62, the bottom of the corrugated pipe 62 is fixedly connected with the dust collection box 63, the dust collected after filtration is convenient to collect through the dust collection assembly 6, and the dust explosion is prevented through humidification of the spiral humidifier 61.

Further, the filter assembly 7 comprises a mounting plate 71, filter bags 72 and a fixing assembly 73, wherein four mounting plates 71 are arranged on one side of the dust collector shell 1, the filter bags 72 are fixedly connected to one ends, close to the dust collector shell 1, of the mounting plates 71, the fixing assembly 73 is arranged on the outer sides of the mounting plates 71, and the filter assembly 7 is used for facilitating better filtering of air flow.

Further, the fixing component 73 comprises a fixing frame 731 and fixing rings 732, the fixing frame 731 is fixedly connected to the outer side of the inner wall of the dust collector shell 1 and located on the filter bag 72, one end, far away from the mounting plate 71, of the fixing frame 731 is fixedly connected with the fixing plate 10, the fixing rings 732 are fixedly connected to the middle of the fixing frame 731, the filter bag 72 can be fixed better through the fixing component 73, and the cloth bag is prevented from being displaced under the action of wind power.

Furthermore, an internal thread is cut at one end of the fixing frame 731 close to the mounting plate 71, and one end of the mounting plate 71 extends into the dust remover housing 1 and is in threaded connection with the fixing frame 731, so that the mounting plate 71 can be better sealed, and a gap between the mounting plate 71 and the dust remover housing 1 can be prevented.

Furthermore, the fixing plate 10 is of a Z-shaped structure, round vent holes are drilled in the positions, corresponding to the filter bags 72, of the fixing plate 10, the distance from the middle of the fixing plate 10 to the inner wall of the dust remover shell 1 is matched with the size of the valve plate 12, the position of the recoil pipe 15 corresponds to the position of the mounting plate 71, the fixing plate 10 facilitates better mounting of an internal structure, the valve plate 12 facilitates better change of the flow direction of wind during recoil, and the recoil pipe 15 corresponds to the position of the mounting plate 71 to facilitate better recoil of the filter bags 72 to remove surface dust.

Furthermore, the size of the filter bag 72 is matched with the fixed frame 731, so that the filter bag 72 can be installed better.

Specifically, a cylindrical framework is arranged in the filter bag 72, the filter bag 72 is cylindrical, two ends of the filter bag 72 are hollow, two ends of the filter bag 72 are respectively and tightly attached to the mounting plate 71 and the fixing plate 10, a ventilation circular hole with a size slightly smaller than that of the filter bag 72 is drilled in the position, corresponding to the filter bag 72, of the fixing plate 10, as shown in fig. 2, when filtering is carried out, the valve plate 12 is in a lifting state, an external fan enters air flow with dust from the air inlet pipe 9, then the air flow flows out from the ventilation circular hole of the fixing plate 10 after being filtered by the filter bag 72 and is upwards discharged from the air outlet pipe 8 through an air flow channel formed by the fixing plate 10 and the deduster shell 1, when backflushing is carried out, the valve plate 12 descends and blocks the air flow channel at the top of the fixing plate 10, then a valve at the pipeline of the air bag 13 is opened by an external controller to respectively spray backflushing air flow from the four backflushing pipes 15 to carry out on the filter bag 72, the filter bag 72 is transversely arranged, so that the filter effect is good, dust accumulation is less, during backflushing, the backflushing air flow pressure is slightly greater than the air flow pressure during air inlet filtering, energy consumption is reduced, the service life of the filter bag 72 is prolonged, dust falling after backflushing passes through the dust collecting hopper 3, is humidified by the spiral humidifier 61 and then falls into the dust collecting box 63, when the filter bag 72 needs to be replaced, the filter bag 72 can be taken out only by rotating the mounting plate 71, time and labor are saved, and the workload of workers is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A back-blowing small-pressure-difference dust-cleaning efficient bag-type dust collector comprises a dust collector shell (1), a supporting rod (2), a dust hopper (3), a dust outlet (4), a manhole (5), a dust collecting component (6), a filtering component (7), an air outlet pipe (8), an air inlet pipe (9), a fixing plate (10), a lifting valve (11), a valve plate (12), an air bag (13), a connecting pipe (14) and a back flushing pipe (15), and is characterized in that the supporting rod (2) is fixedly connected to the periphery of the bottom of the dust collector shell (1), the dust hopper (3) is fixedly connected to the bottom of the dust collector shell (1), the dust outlet (4) is fixedly connected to the bottom of the dust collector shell (3), the manhole (5) is arranged at the top of the dust collector shell (1), the dust collecting component (6) is arranged at the bottom of the dust outlet (4), the filtering component (7) is arranged on one side of the inner wall of the dust collector shell (1), the utility model discloses a dust remover, including dust remover shell (1), one side top fixedly connected with of dust remover shell (1) goes out tuber pipe (8), one side bottom fixedly connected with air-supply line (9) of going out tuber pipe (8) are kept away from in dust remover shell (1), the inside fixedly connected with fixed plate (10) of dust remover shell (1), the one end that goes out tuber pipe (8) is kept away from at the top of dust remover shell (1) is equipped with poppet valve (11), the connecting rod of poppet valve (11) runs through inside and fixedly connected with valve plate (12) to dust remover shell (1), one side fixedly connected with air bag (13) of going out tuber pipe (8) are kept away from in dust remover shell (1), the bottom fixedly connected with connecting pipe (14) of air bag (13), four recoil pipes (15) of one side fixedly connected with of connecting pipe (14) being close to dust remover shell (1).

2. The reverse blowing small pressure difference dust cleaning high-efficiency bag-type dust collector according to claim 1, wherein the dust collecting assembly (6) comprises a spiral humidifier (61), a corrugated pipe (62) and a dust collecting box (63), the bottom of the dust outlet (4) is fixedly connected with the spiral humidifier (61), the bottom of the spiral humidifier (61) is fixedly connected with the corrugated pipe (62), and the bottom of the corrugated pipe (62) is fixedly connected with the dust collecting box (63).

3. The reverse blowing small pressure difference dust removal high-efficiency cloth bag dust remover according to claim 1, wherein the filtering component (7) comprises a mounting plate (71), a filtering bag (72) and a fixing component (73), four mounting plates (71) are arranged on one side of the dust remover housing (1), the filtering bag (72) is fixedly connected to one end, close to the dust remover housing (1), of the mounting plate (71), and the fixing component (73) is arranged on the outer side of the mounting plate (71).

4. The reverse blowing small pressure difference dust removal high-efficiency cloth bag dust remover according to claim 3, wherein the fixing component (73) comprises a fixing frame (731) and a fixing ring (732), the fixing frame (731) is fixedly connected to the inner wall of the dust remover housing (1) and located on the outer side of the filter bag (72), one end of the fixing frame (731), far away from the mounting plate (71), is fixedly connected with the fixing plate (10), and the fixing ring (732) is fixedly connected to the middle of the fixing frame (731).

5. The reverse blowing small pressure difference dust removal high-efficiency cloth bag dust remover according to claim 4, characterized in that one end of the fixing frame (731) close to the mounting plate (71) is provided with an internal thread, and one end of the mounting plate (71) extends to the inside of the dust remover shell (1) and is in threaded connection with the fixing frame (731).

6. The back-blowing small-pressure-difference dust-cleaning efficient bag-type dust collector according to claim 3, wherein the fixing plate (10) is of a Z-shaped structure, circular vent holes are drilled at positions of the fixing plate (10) corresponding to the filter bags (72), the distance from the middle of the fixing plate (10) to the inner wall of the dust collector shell (1) is matched with the size of the valve plate (12), and the position of the back-flushing pipe (15) corresponds to the position of the mounting plate (71).

7. The reverse blowing small pressure difference dust cleaning high-efficiency cloth bag dust remover according to claim 4, characterized in that the size of the filter bag (72) is matched with the fixed frame (731).