CN216778228U

CN216778228U - Pulse dust removal equipment

Info

Publication number: CN216778228U
Application number: CN202220402365.7U
Authority: CN
Inventors: 张铎; 衡红文; 刘玉龙
Original assignee: Luonan Huanyayuan Copper Co ltd
Current assignee: Luonan Huanyayuan Copper Co ltd
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2022-06-21
Anticipated expiration: 2032-02-26

Abstract

The application relates to the technical field of dust removal equipment, in particular to pulse dust removal equipment, which comprises a dust removal box body, a driving assembly and a plurality of filtering assemblies, wherein a partition plate is arranged in the dust removal box body and divides the dust removal box body into an air purifying chamber and a dust removing chamber; the filter assembly is positioned in the dust chamber and comprises a filter frame and a filter bag, the opening of the filter bag is communicated with the vent hole, and the filter frame is rotationally connected with the partition plate; the driving component comprises a driving piece, a driving gear, an inner gear ring and a driven gear, the driving piece is used for driving the driving gear to rotate, the inner gear ring is rotatably connected to the partition plate, the driving gear is meshed with the inner gear ring, the driven gear is meshed with the inner gear ring, and the driven gear is fixedly connected with the filtering frame; the problem of pulser to the filter assembly clearance not thorough is solved, can more effectual clearance filter assembly.

Description

Pulse dust removal equipment

Technical Field

The application relates to the technical field of dust removing equipment, in particular to pulse dust removing equipment.

Background

In the development of industry, the treatment of industrial waste gas is a great concern, and pulse dust collectors are generally used for solid particles in waste gas. The pulse dust collector mainly filters dust-containing gas through the filter bag, solid particles are filtered on the outer surface of the filter bag, and finally the filtered solid particles are blown off through pulse airflow.

Application document CN201220021043.4 discloses a pulse dust collector, which comprises: the bag-type dust collector is internally provided with a dust-removing filter bag, the upper part of the side of the dust-removing filter bag is provided with a side hole, the middle part in the bag-type dust collector is provided with a bracket, and the bracket is provided with a pulse valve; the input end of the pulse valve is connected with an air pump in series through a pipeline; the output end of the pulse valve is connected with the dust-removing filter bag through a side hole.

In view of the above-mentioned related technologies, the inventor thinks that the pulse airflow cannot completely blow off the dust on the surface of the filter bag, which further causes the surface of the filter bag to be blocked, reduces the dust removal efficiency, and affects the working efficiency of the dust remover.

SUMMERY OF THE UTILITY MODEL

In order to improve the dust collection efficiency of pulse dust removal equipment, the application provides a pulse dust removal equipment, adopts following technical scheme:

a pulse dust removal device comprises a dust removal box body, a pulse dust removal assembly, a plurality of filter assemblies and a driving assembly, wherein a partition plate is arranged in the dust removal box body, the partition plate divides the dust removal box body into an air purification chamber and a dust removal chamber, the dust removal box body is provided with an air inlet communicated with the dust removal chamber, the dust removal box body is provided with an air outlet communicated with the air purification chamber, and the partition plate is provided with a plurality of vent holes;

the filter assembly is positioned in the dust removing chamber and comprises a filter frame and a filter bag wrapped on the outer side of the filter frame, the opening of the filter bag is communicated with the vent hole, and one end of the filter frame is rotatably connected with the partition plate;

the driving assembly comprises a driving piece, a driving gear, an inner gear ring and a plurality of driven gears, the driving piece is used for driving the driving gear to rotate, the inner gear ring rotates and is connected with the partition plate, the driving gear is meshed with the inner gear ring, the driven gears are meshed with the inner gear ring, and each driven gear is fixedly connected with the filtering frame.

By adopting the technical scheme, the dust-containing gas entering from the gas inlet moves from the dust removal chamber to the gas purification chamber, the gas enters the filter bag after being filtered by the filter bag, then reaches the gas purification chamber from the opening end of the filter bag through the vent hole, and finally is discharged from the gas outlet; dust in the air can be attached to the outer surface of the filter bag when the dust is filtered by the filter bag; when stopping admitting air to the air inlet, the driving piece drives the driving gear and rotates, and the driving gear drives the interior ring gear and rotates, and interior ring gear drives driven gear and rotates, and the filter frame is rotatory along with driven gear, and when the filter bag rotated along with the filter frame, dust on the filter bag was thrown away from the filter bag surface because of centrifugal force to reach the clearance to the filter bag surface, improve the efficiency of dust removal.

Optionally, the filter frame includes an upper connection ring, a lower connection plate, and a plurality of vertical frames, the upper connection ring is fixedly connected to the lower connection plate through the vertical frames, the upper connection ring is rotatably connected to the separation plate, and the driven gear is fixedly connected to the upper connection ring.

By adopting the technical scheme, the driven gear drives the upper connecting ring to rotate, so that the filter assembly is driven to be integrally installed; the filter frame is of a frame structure, so that the filter bag can be ventilated conveniently; the filter bag is sleeved on the filter frame, so that the filter bag is supported, and the filter bag is prevented from deforming and overlapping to influence the filter efficiency.

Optionally, the filter assembly further comprises a clamp, and the open end of the filter bag is connected with the upper connecting ring through the clamp.

Through adopting above-mentioned technical scheme, can consolidate the filter bag through the clamp and filter frame's fixed, the filter bag is not hard up to drop when reducing filter frame and rotating.

Optionally, a plurality of elastic pieces are arranged between the filter bag and the vertical framework, and one end of each elastic piece is fixedly connected with the vertical framework, and the other end of each elastic piece is abutted against the filter bag.

Through adopting above-mentioned technical scheme, when filtering component rotated, the elastic component had elasticity and produced and rock, and the elastic component contradicts with the filter bag internal surface and produces relative motion to drive the filter bag surface and rock, do benefit to dust and break away from.

Optionally, a plurality of collision pieces are arranged on the filter bag, each collision piece comprises a flexible belt and a collision ball, and the filter bag is connected with the collision ball through the flexible belt.

By adopting the technical scheme, the impact balls can increase the centrifugal force at the joint of the filter bag and the impact balls when rotating, so that the bag can be rapidly expanded and opened, and dust attached to the surface of the filter bag can be rapidly separated; in the process of starting or stopping the driving assembly, the impact balls can also impact the surface of the filter bag to facilitate the separation of dust.

Optionally, the inner wall of the dust removal box body is provided with a plurality of collision blocks, and the collision balls collide with the collision blocks when rotating along with the filter bag.

Through adopting above-mentioned technical scheme, at the rotatory in-process of filter bag, when impact ball bumps with the collision piece, strain and make the bag surface produce and rock, make things convenient for dust to break away from.

Optionally, the impact mass is an elastic mass.

Through adopting above-mentioned technical scheme, the collision piece can reduce the rigidity collision for the elastic block, increases life.

Optionally, the pulse dust removal assembly comprises a pulse emitter and a pulse pipeline, the pulse emitter is communicated with the pulse pipeline, a plurality of spray heads are arranged on the pulse pipeline, and each spray head extends into the opening end of the filter bag from the vent hole.

Through adopting above-mentioned technical scheme, pulse emitter passes through pulse pipeline with high-pressure gas after, blows in the filter bag in the middle of from the shower nozzle, and outside the filter bag was blown out in the gas follow filter bag, can blow off the dust of filter bag surface.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the designed pulse dust removal equipment, dust-containing gas enters from the gas inlet and moves from the dust removal chamber to the gas purification chamber, the dust is filtered on the surface of the filter bag when passing through the filter assembly, and the gas enters the gas purification chamber from the vent hole and is discharged from the gas outlet; the driving assembly drives the filter bag to rotate, and dust on the surface of the filter bag is separated through centrifugal action, so that the cleaning effect is achieved.

2. According to the designed pulse dust removal equipment, the impact balls on the surface of the filter bag can enable the filter bag to expand rapidly, so that dust on the surface of the filter bag can fall off more easily; the impact ball and the impact block can shake to quickly fall dust when colliding.

3. The designed pulse dust removal equipment sprays high-pressure gas to the pulse pipeline through the pulse emitter, the high-pressure gas is blown into the filter bag from the spray head, and when the high-pressure gas is blown to the surface of the filter bag from the inside of the filter bag, the dust can be cleaned.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a half-section structure of a dust-removing box body according to an embodiment of the present application, and is intended to show an internal structure of the dust-removing box body;

FIG. 3 is a schematic structural view of a filter assembly and a pulse dust removal assembly according to an embodiment of the present disclosure;

FIG. 4 is an enlarged schematic view of section A of FIG. 3;

fig. 5 is an enlarged schematic view of a portion B of fig. 3.

Reference numerals: 1. a dust removal box body; 11. a partition plate; 111. a vent hole; 112. a first annular groove; 113. a second annular groove; 12. a gas purifying chamber; 13. a dust chamber; 14. an air inlet; 15. a dust outlet; 151. a valve; 16. an air outlet; 17. a collision mass; 2. a filter assembly; 21. a filter frame; 211. an upper connecting ring; 2111. a first rotating ring; 212. a lower connecting plate; 213. erecting a framework; 22. a filter bag; 221. a collision member; 2211. a flexible band; 2212. striking a ball; 23. clamping a hoop; 24. an elastic member; 241. a spring; 242. an arc-shaped sheet; 3. a drive assembly; 31. a drive member; 32. a driving gear; 33. an inner gear ring; 331. a second rotating ring; 34. a driven gear; 35. fixing a bracket; 4. a pulse dust removal assembly; 41. a pulse emitter; 42. a pulse pipeline; 421. a straight line segment; 422. an annular segment; 43. and (4) a spray head.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses pulse dust removal equipment.

Referring to fig. 1, 2 and 3, a pulse dust removing apparatus includes a dust removing case 1, a plurality of filter assemblies 2, a driving assembly 3 and a pulse dust removing assembly 4; the filter assembly 2 is used for filtering dust-containing gas, the driving assembly 3 is used for driving the filter assembly 2 to rotate, and the pulse dust removal assembly 4 further cleans the filter assembly 2 through pulse airflow.

Referring to fig. 2, a partition plate 11 is fixedly connected in the dust removing box body 1, the partition plate 11 is horizontally welded on the inner wall of the dust removing box body 1, and the partition plate 11 divides the dust removing box body 1 into a gas purifying chamber 12 positioned above the partition plate 11 and a dust removing chamber 13 positioned below the partition plate 11; the side wall of the dedusting box body 1 is provided with an air inlet 14 communicated with the dedusting chamber 13; the lower end of the dust removing box body 1 is provided with a dust outlet 15 communicated with the dust removing chamber 13, the lower end of the dust removing box body 1 is funnel-shaped, and a valve 151 is arranged on the dust outlet 15; the side wall of the dust removal box body 1 is provided with an air outlet 16 communicated with the air purifying chamber 12; the partition plate 11 is provided with a plurality of vent holes 111, and the vent holes 111 are circumferentially arranged; the dust-containing gas enters the dust removing chamber 13 from the gas inlet 14, then enters the gas purifying chamber 12 after sequentially passing through the filtering component 2 and the vent hole 111, and finally is discharged out of the dust removing box body 1 from the gas outlet 16.

Referring to fig. 3, 4 and 5, the filter assembly 2 includes a filter frame 21, a filter bag 22, a yoke 23 and a plurality of elastic members 24, the filter frame 21 includes an upper connection ring 211, a lower connection plate 212 and a plurality of vertical frames 213, one end of each vertical frame 213 is welded to the upper connection ring 211, and the other end is welded to the lower connection plate 212; one surface of the separation plate 11 close to the dust chamber 13 is provided with a first annular groove 112 coaxial with the vent hole 111, the section of the first annular groove 112 is T-shaped, the upper end of the upper connecting ring 211 is welded with a first rotating ring 2111, the section of the first rotating ring 2111 is T-shaped, and the first rotating ring 2111 is in rotating fit with the first annular groove 112; the filter bag 22 is sleeved outside the filter frame 21, and the filter bag 22 and the filter frame 21 are clamped by a clamp 23 at the overlapping position of the upper connecting ring 211 and the filter bag 22.

Referring to fig. 4, the elastic member 24 is arranged between the vertical frame 213 and the filter bag 22, the elastic member 24 includes a spring 241 and an arc-shaped sheet 242, one end of the spring 241 is welded to the vertical frame 213, the other end of the spring is welded to the arc-shaped sheet 242, one side of the arc-shaped sheet 242 away from the spring 241 is abutted to the inner surface of the filter bag 22, and when the vertical frame 213 rotates, the spring 241 can swing due to its own elasticity to drive the arc-shaped sheet 242 to swing, so as to drive the surface of the filter bag 22 to swing.

Referring to fig. 2, a plurality of collision members 221 are arranged on the outer surface of the filter bag 22, each collision member 221 includes a flexible strip 2211 and a collision ball 2212, one end of the flexible strip 2211 is fixedly connected with the surface of the filter bag 22, the other end of the flexible strip 2211 is fixedly connected with the collision ball 2212, and the collision ball 2212 can drive the surface of the filter bag 22 to shake through collision and shaking in the movement process.

Referring to fig. 2, a plurality of impact blocks 17 are bonded to the inner wall of the dust removing case 1, the impact blocks 17 are located in the dust removing chamber 13, the center positions of the impact blocks 17 are horizontal to the fixed points of the flexible belts 2211 and the surfaces of the filter bags 22, and the impact blocks 17 are lower than the height of the impact balls 2212 when hanging.

Referring to fig. 3 and 5, the driving assembly 3 includes a driving member 31, a driving gear 32, an inner ring gear 33 and a plurality of driven gears 34, the driving member 31 is provided as a motor, a fixing bracket 35 is welded to the inner wall of the dust removing box 1, a housing of the driving member 31 is fixedly connected with the fixing bracket 35 through bolts, and an output shaft of the driving member 31 is connected with the driving gear 32 through a coaxial key; a second annular groove 113 is formed in one surface, close to the dust removal chamber 13, of the partition plate 11, the second annular groove 113 is circular, the plurality of vent holes 111 are distributed along the circumference of the second annular groove 113, the section of the second annular groove 113 is T-shaped, a second rotating ring 331 is coaxially welded to one end, close to the partition plate 11, of the inner gear ring 33, the section of the second rotating ring 331 is T-shaped, the second rotating ring 331 is in rotating fit with the second annular groove 113, and the driving gear 32 is meshed with the inner gear ring 33; the driven gear 34 is coaxially welded to the outer wall of the upper connection ring 211, and the driven gear 34 is engaged with the inner ring gear 33.

Referring to fig. 2, the pulse dust-removing assembly 4 includes a pulse emitter 41, a pulse pipeline 42 and a plurality of nozzles 43, the pulse emitter 41 is fixedly installed on the outer wall of the dust-removing box body 1 through screws, the pulse pipeline 42 includes an annular section 422 and a straight section 421, the annular section 422 is located in the dust-removing box body 1, one end of the straight section 421 is communicated with the pulse emitter 41, the other end of the straight section passes through the side wall of the dust-removing box body 1 and then is communicated with the annular section 422, the nozzles 43 are communicated with the annular section 422, the nozzles 43 penetrate through the vent holes 111 and extend into the filter bag 22, the pulse dust-removing assembly 4 can emit pulse airflow, the pulse airflow enters the filter bag 22 from the nozzles 43, a part of the airflow can be blown out of the filter bag 22, and dust attached to the surface of the filter bag 22 is carried away.

The implementation principle of the pulse dust removal equipment in the embodiment of the application is as follows: during dust removal, dust-containing gas enters the dust removal chamber 13 from the gas inlet 14, sequentially passes through the filter bag 22 and the vent hole 111 to the air purification chamber 12, and is finally discharged from the gas outlet 16, dust is attached to the outer surface of the filter bag 22, and when the dust reaches a certain amount, the surface of the filter bag 22 is cleaned.

During cleaning, ventilation to the air inlet 14 is stopped, the driving assembly 3 drives the filtering assembly 2 to rotate, and after rotation is finished, the pulse dust removal assembly 4 blows air into the filter bag 22.

When the driving assembly 3 drives the filtering assembly 2 to rotate, the driving gear 32 is driven by the driving member 31 to rotate, the driving gear 32 drives the inner gear ring 33 to rotate, the inner gear ring 33 drives the driven gear 34 to rotate, and the driven gear 34 is fixed with the upper connecting ring 211, so the filtering frame 21 rotates along with the driven gear 34, and the filtering frame 21 drives the filtering bag 22 to rotate. At this time, the dust can be thrown away from the filter bag 22 by centrifugal force; when the acceleration of the rotation speed of the filter bag 22 increases or decreases, the elastic member 24 drives the filter bag 22 to shake due to the shaking thereof; when the acceleration of the filter bag 22 increases and decreases, the impact ball 2212 connected with the flexible strip 2211 can increase the centrifugal force at the connection part of the filter bag 22 and the flexible strip 2211, so that the filter bag 22 shakes; in the rotation process of the filter bag 22, the impact ball 2212 impacts the impact block 17 when swinging, so as to drive the surface of the filter bag 22 to swing, and the surface of the filter bag 22 swings, so that the attached dust can be separated from the filter bag in an accelerating manner.

When the driving assembly 3 stops, the pulse emitter 41 emits a pulse airflow to the pulse pipeline 42, and the pulse airflow blows into the filter bag 22 from the spray head 43 and then goes out of the filter bag 22 from the filter bag 22 to carry away residual dust attached to the surface of the filter bag 22. At this time, the valve 151 is opened to clean the falling dust, the valve 151 is closed after the cleaning is completed, and the air starts to be supplied to the air inlet 14 to perform a new round of dust removal.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The pulse dust removal equipment comprises a dust removal box body (1), a pulse dust removal assembly (4) and a plurality of filtering assemblies (2), and is characterized by further comprising a driving assembly (3), wherein a partition plate (11) is arranged inside the dust removal box body (1), the dust removal box body (1) is divided into a gas purification chamber (12) and a dust removal chamber (13) by the partition plate (11), the dust removal box body (1) is provided with a gas inlet (14) communicated with the dust removal chamber (13), the dust removal box body (1) is provided with a gas outlet (16) communicated with the gas purification chamber (12), and the partition plate (11) is provided with a plurality of vent holes (111);

the filter assembly (2) is located in the dust removing chamber (13), the filter assembly (2) comprises a filter frame (21) and a filter bag (22) wrapped on the outer side of the filter frame (21), the opening of the filter bag (22) is communicated with the vent hole (111), and one end of the filter frame (21) is rotatably connected with the partition plate (11);

drive assembly (3) are including driving piece (31), driving gear (32), interior ring gear (33) and a plurality of driven gear (34), driving piece (31) are used for driving gear (32) rotate, interior ring gear (33) rotate connect in division board (11), just driving gear (32) with interior ring gear (33) meshing, it is a plurality of driven gear (34) with interior ring gear (33) meshing, each driven gear (34) with filter frame (21) fixed connection.

2. The pulse dust removing equipment according to claim 1, wherein the filter frame (21) comprises an upper connecting ring (211), a lower connecting plate (212) and a plurality of vertical skeletons (213), the upper connecting ring (211) and the lower connecting plate (212) are fixedly connected through the vertical skeletons (213), the upper connecting ring (211) is rotatably connected with the separation plate (11), and the driven gear (34) is fixedly connected with the upper connecting ring (211).

3. A pulse dust collector apparatus according to claim 2, wherein said filter unit (2) further comprises a clamp (23), and said filter bag (22) is connected to said upper connection ring (211) through said clamp (23) at its open end.

4. A pulse dust-collecting equipment according to claim 3, characterized in that a plurality of elastic members (24) are arranged between the filter bag (22) and the vertical frame (213), one end of each elastic member (24) is fixedly connected with the vertical frame (213) and the other end is abutted against the filter bag (22).

5. A pulse dust collector as claimed in claim 3, wherein said filter bag (22) is provided with a plurality of collision members (221), said collision members (221) comprise flexible strips (2211) and impact balls (2212), and said filter bag (22) is connected with said impact balls (2212) through said flexible strips (2211).

6. A pulse dust-removing equipment according to claim 5, characterized in that the inner wall of the dust-removing box body (1) is provided with a plurality of collision blocks (17), and the collision balls (2212) collide with the collision blocks (17) when rotating with the filter bag (22).

7. A pulse dust collecting device according to claim 6, characterized in that the impact mass (17) is an elastic mass.

8. A pulse dust-removing device according to claim 1, wherein the pulse dust-removing component (4) comprises a pulse emitter (41) and a pulse pipeline (42), the pulse emitter (41) is communicated with the pulse pipeline (42), a plurality of spray heads (43) are arranged on the pulse pipeline (42), and each spray head (43) extends from the vent hole (111) to the open end of the filter bag (22).