CN114931814B

CN114931814B - Pulse cloth bag dust removal purifier for industrial gas purification

Info

Publication number: CN114931814B
Application number: CN202210847232.5A
Authority: CN
Inventors: 杜伟; 石松; 张夫玺
Original assignee: Xuzhou Xinyeda Environmental Protection Technology Co ltd
Current assignee: Xuzhou Xinyeda Environmental Protection Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-08
Anticipated expiration: 2042-07-19
Also published as: CN114931814A

Abstract

The invention relates to the technical field of environmental protection, and discloses a pulse bag-type dust removal purifier for purifying industrial gas, which comprises a partition plate, wherein exhaust holes are uniformly distributed in the partition plate, a base is arranged below the partition plate, the top end of the base is fixedly connected with a filter bag, a movable cavity is formed in the base, and passive bulges are uniformly distributed at the top end of the movable cavity. According to the invention, the base is lifted up under the extrusion of the active bulge and the tension of the spring I through the collision friction of the active bulge on the limiting disc and the passive bulge in the movable cavity, so that the tightened filter bag is loosened, when the passive bulge and the active bulge are staggered and far away, the base is pushed by high-pressure airflow to move downwards again, so that the loosened filter bag is tightened again, and the reciprocating motion is realized, so that the filter bag is intermittently tightened and loosened, dust on the filter bag is subjected to the impact force provided by the self-bouncing of the filter bag while the impact force of the airflow is applied, the dust cleaning speed is accelerated, and the dust cleaning efficiency is improved.

Description

Pulse cloth bag dust removal purifier for industrial gas purification

Technical Field

The invention relates to the technical field of environmental protection, in particular to a pulse bag dust removal purifier for industrial gas purification.

Background

An industrial cloth bag dust removing device is a dry dust filtering device, which is mainly characterized in that a dust removing space is densely distributed on dust removing pipes of dust-containing gas, the dust-containing gas rushes towards the dust removing pipes under the influence of pressure difference between the inside and the outside of the dust removing pipes, the passing dust-containing gas is filtered through filter cloth on the outer sides of the dust removing pipes, the filtered clean gas enters a space above a partition plate from holes above the dust removing pipes and is discharged, dust with large particles and large specific gravity falls into a dust hopper below due to the sedimentation of gravity, dust with small particles is intercepted by the filter cloth, clean gas is discharged, the intercepted dust is adhered to the filter cloth, the resistance of the filter cloth is increased for a long time, the filtering effect is reduced, at the moment, a pulse valve above the dust removing pipes introduces pulse airflow into the pipes, the filter cloth expands and contracts under the pulse airflow, and the dust on the filter cloth falls off to finish dust removal.

However, the pulse airflow introduced from above is limited by the length of the dust removal pipe, so that the energy of the pulse airflow is gradually consumed, and the impact force of the pulse airflow on the filter cloth is smaller at the position where the filter cloth is farther away from the pulse valve, which causes the dust removal effect of the dust removal pipe to be unsatisfactory, and the subsequent filtration of the dust-containing gas is seriously influenced.

Disclosure of Invention

The invention provides a pulse bag dust removal purifier for industrial gas purification, aiming at the defects of the prior bag dust removal device in the use process, which is provided by the background technology, and the pulse bag dust removal purifier has the advantages that a gas distribution pipe is aligned to a filter bag in an all-round way, high-pressure gas intermittently impacts to clean the filter bag in staggered gas transmission holes, the high-pressure gas pushes a base to be pressed down quickly to enable filter cloth to be tightened quickly and bounce off dust, a driving bulge impacts a driven bulge to drive the base to rotate when a limiting disc rotates, the filter bag generates torsional deformation, the driving bulge extrudes the driven bulge to enable the base to be lifted up, the base is lifted up and lifted up to be pressed down again under air pressure to enable the filter bag to be loosened and tightened intermittently, and tangential impact is formed with impact airflow when the torsional deformation filter bag is restored and rotated, and the technical problems provided by the background technology are solved.

The invention provides the following technical scheme: the utility model provides a pulse sack dust removal purification ware for industrial gas purification, includes the interlayer board, set up the exhaust hole of equipartition on the interlayer board, the below of interlayer board is equipped with the base, the top fixedly connected with filter bag of base, movable chamber has been seted up in the base, movable chamber's top is equipped with the passive arch of equipartition, movable intracavity activity has cup jointed spacing dish, the top of spacing dish is equipped with initiative arch, the top center fixedly connected with switch section of thick bamboo of spacing dish, the outside activity of switch section of thick bamboo has cup jointed the cloth section of thick bamboo, the defeated air pocket of equipartition has all been seted up on cloth section of thick bamboo and the switch section of thick bamboo, the slide bar of top fixedly connected with equipartition of base, the top activity of slide bar has cup jointed the well accuse ring, the fixed cover in the top outside of slide bar has connected with spring I, the dwang of the top fixedly connected with equipartition of well accuse ring, the bottom of interlayer board has seted up the slip chamber around the exhaust hole equipartition, fixedly connected with spring II on the dwang lateral wall of slip chamber, the other end and fixed connection of spring II.

Preferably, the top end of the filter bag is fixedly connected with the bottom end of the interlayer plate, and a hollow cavity is formed in the filter bag.

Preferably, the passive protrusions and the active protrusions are hemispherical.

Preferably, the gas transmission holes in the same plane on the gas distribution cylinder and the switch cylinder are distributed in a staggered manner, the center of the limiting disc is provided with a through hole, the inner cavity of the switch cylinder is communicated with the movable cavity through the through hole, and the bottom of the gas distribution cylinder is positioned in the movable cavity and movably sleeved with the base.

Preferably, the top of gas distributing cylinder and switch section of thick bamboo all is located the top of division board, the top outside fixedly connected with locating lever of gas distributing cylinder, the other end of locating lever and the inner wall fixed connection in exhaust hole, the top of switch section of thick bamboo is equipped with annular arch, the laminating of annular arch and gas distributing cylinder's top, the fixed cover in top of switch section of thick bamboo has connect drive gear, drive gear is connected with the transmission of clarifier, the top opening of switch section of thick bamboo and the gas pipeline intercommunication of deashing system.

Preferably, the top of the sliding rod penetrates through the central control ring, and the top end of the spring I is fixedly connected with the bottom end of the central control ring.

Preferably, the cross section in slip chamber is the type of falling the convexity, and the top of dwang is the T font, the top activity of dwang is cup jointed at the slip intracavity.

The invention has the following beneficial effects:

1. when the pulse airflow impact filter bag is required to perform dust removal, high-pressure gas is introduced into the switch cylinder, and the gas transmission holes uniformly distributed on the switch cylinder are staggered with the gas transmission holes uniformly distributed on the gas distribution cylinder through the rotation of the switch cylinder, so that the high-pressure airflow is intermittently sprayed out of the gas transmission holes to perform omnibearing airflow impact dust removal on the filter bag, and the problem of poor dust removal effect of the bottom of the filter bag due to energy consumption caused by the fact that the original pulse airflow flows from the top to the bottom of the filter bag is solved.

2. When high-pressure air flow is introduced into the switch cylinder, the high-pressure air flow is firstly introduced into the movable cavity, and the base drives the sliding rod and the filter bag to suddenly and rapidly move downwards under the pressure applied by the high-pressure air flow, so that the loosened filter bag is suddenly tensioned by a pulling force to be instantly tightened, dust on the loosened filter bag is shaken off in a large area in the tensioning action of the loosened filter bag, and the cleaning time and the pressure are reduced for the subsequent air flow impact ash removal.

3. According to the invention, through the rotation of the switch cylinder, the active bulge on the limiting disc and the passive bulge in the movable cavity are subjected to collision friction, so that the base is lifted up under the extrusion of the active bulge and the tension of the spring I, the tightened filter bag is loosened, when the passive bulge and the active bulge are staggered and far away, the high-pressure airflow pushes the base to move downwards again, the loosened filter bag is tightened again, and the reciprocating is realized, so that the filter bag is intermittently tightened and loosened, dust on the filter bag is subjected to the impact force provided by the elasticity of the filter bag while being subjected to the impact force of the airflow, the dust cleaning speed is accelerated, and the dust cleaning efficiency is improved.

4. According to the invention, through the collision friction of the active bulge and the passive bulge, the base can rotate due to the collision friction while bouncing, so that the filter bag rotates and contracts to form wrinkles, most of gaps on the base are pulled and deformed to become larger, dust particles in the gaps are loosened, and the subsequent airflow impact cleaning and filter cloth bouncing cleaning are facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the sliding chamber structure of the present invention;

FIG. 4 is a schematic view of the base structure of the present invention.

In the figure: 1. a interlayer plate; 2. an exhaust hole; 3. a filter bag; 301. a hollow cavity; 4. a base; 401. a movable cavity; 5. a passive bump; 6. a limiting disc; 7. an active bulge; 8. a gas cylinder; 801. positioning a rod; 9. a switch cylinder; 901. a transmission gear; 10. a gas transmission hole; 11. a slide bar; 12. a central control ring; 13. a spring I; 14. rotating the rod; 15. a spring II; 16. a sliding cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 4, a pulse bag-type dust collector for industrial gas purification comprises a interlayer plate 1, wherein exhaust holes 2 are uniformly distributed on the interlayer plate 1, a base 4 is arranged below the interlayer plate 1, a filter bag 3 is fixedly connected to the top end of the base 4, the top end of the filter bag 3 is fixedly connected to the bottom end of the interlayer plate 1, a hollow cavity 301 is formed in the filter bag 3, a movable cavity 401 is formed in the base 4, and passive protrusions 5 are uniformly distributed on the top end of the movable cavity 401.

Referring to fig. 2 and 4, a limiting disc 6 is movably sleeved in the movable cavity 401, the top end of the limiting disc 6 is provided with an active bulge 7, so that the top end of the limiting disc 6 is attached to the top end of the movable cavity 401, when the movable cavity is rotated, the active bulge 7 can collide with the passive bulge 5, the base 4 rotates under the collision, the filter bag 3 is influenced by the top end fixed connection to generate torsional deformation, partial gap deformation of the filter bag is increased, particles in the filter bag are loosened, the passive bulge 5 and the active bulge 7 are hemispherical, when the active bulge 7 collides with the passive bulge 5, the active bulge 7 can slide over the passive bulge 5 under the influence of the hemispherical shape, the passive bulge 5 drives the base 4 to lift and displace under the extrusion force, the tight filter bag 3 is loosened, when the active bulge 7 leaves the passive bulge 5, the base 4 losing the extrusion force of the active bulge 7 is pressed down again under the high-pressure gas, so that the filter bag 3 is tightened again, thereby the filter bag 3 is flicked under the intermittent loose and tight state, the dust particles on the filter bag are shaken off, the switch cylinder 9 is fixedly connected with the center of the top end of the limit disc 6, the gas distribution cylinder 8 is movably sleeved on the outer side of the switch cylinder 9, the gas distribution cylinder 8 and the switch cylinder 9 are both provided with uniformly distributed gas transmission holes 10, the gas transmission holes 10 on the same plane on the gas distribution cylinder 8 and the switch cylinder 9 are distributed in a staggered way, when the filter bag 3 filters dust-carrying gas, the gas distribution cylinder 8 and the gas transmission holes 10 on the switch cylinder 9 are in a staggered way, so that no high-pressure cleaning gas is sprayed out at the moment, the center of the limit disc 6 is provided with a through hole, the inner cavity of the switch cylinder 9 is communicated with the movable cavity 401 through the through hole, the bottom of the gas distribution cylinder 8 is positioned in the movable cavity 401 and movably sleeved with the base 4, so that when the dust removal of the filter bag 3 is needed, the high-pressure gas enters the movable cavity 401 through the inner cavity of the switch cylinder 9, the base 4 is pressed down rapidly under high pressure, the filter bag 3 is pressed down rapidly under the drive of the base 4, and the loose state is rapidly changed into the tight state, so that the filter bag 3 is tightened, bounced and shaken off dust in a large area.

Referring to fig. 1 to 2 and 4, the top of the gas distribution cylinder 8 and the switch cylinder 9 are both located above the interlayer plate 1, so that the dust removing capability of the gas distribution cylinder 8 can act on all places of the filter bag 3, the outer side of the top of the gas distribution cylinder 8 is fixedly connected with a positioning rod 801, the other end of the positioning rod 801 is fixedly connected with the inner wall of the exhaust hole 2, so that the gas distribution cylinder 8 is in a fixed state, the position form of the gas distribution cylinder 8 cannot be changed, the top of the switch cylinder 9 is provided with an annular bulge, the annular bulge is attached to the top end of the gas distribution cylinder 8, so that the annular bulge is matched with the limiting disc 6 to limit the switch cylinder 9, so that the switch cylinder 9 cannot move up and down, the top of the switch cylinder 9 is fixedly connected with a transmission gear 901, the transmission gear 901 is in transmission connection with a transmission device of a purifier (not shown in the figures, the transmission device can be a motor), the top end opening of the switch cylinder 9 is communicated with a gas pipeline of the dust removing system, so that when the filter bag 3 is subjected to dust removing operation, the switch cylinder 9 can rotate, so that the gas transmission hole 10 on the switch cylinder 10 and the gas transmission cylinder 8 intermittently impacts the filter bag 3 through the overlapped gas holes 10, so that the limit disc 6 can synchronously rotate, and the limit disc 6 can be impacted and intermittently and the limit disc 5 can be synchronously rotated.

Referring to fig. 2, the top end of the base 4 is fixedly connected with evenly distributed slide bars 11, the top of each slide bar 11 is movably sleeved with a central control ring 12, the top of each slide bar 11 penetrates through the central control ring 12, the outer side of the top of each slide bar 11 is fixedly sleeved with a spring i 13, the top end of each spring i 13 is fixedly connected with the bottom end of the central control ring 12, so that the slide bars 11 can move up and down, when the base 4 moves up and down, the slide bars 11 can synchronously move, after ash removal is completed, the springs i 13 can drive the slide bars 11 to lift up, the base 4 is lifted and reset, the filter bags 3 are in a loose state again, when the base 4 rotates, the slide bars 11 can extrude the central control rings 12 to synchronously rotate, and the top ends of the central control rings 12 are fixedly connected with evenly distributed rotating bars 14.

Referring to fig. 1 to 3, the bottom end of the interlayer plate 1 is provided with sliding cavities 16 uniformly distributed around the exhaust holes 2, the cross section of each sliding cavity 16 is in an inverted convex shape, the top of the rotating rod 14 is in a T shape, the top of the rotating rod 14 is movably sleeved in the sliding cavity 16, so that the sliding cavities 16 limit the position of the rotating rod 14, the rotating rod 14 can only rotate around the circle center of the exhaust hole 2 and cannot move up and down, a spring ii 15 is fixedly connected to one side wall of the sliding cavity 16, and the other end of the spring ii 15 is fixedly connected to the rotating rod 14, so that when the base 4 rotates, the rotating rod 14 can synchronously rotate, so that the spring ii 15 is compressed, and after the active bulge 7 is separated from the passive bulge 5, the compressed spring ii 15 can push the rotating rod 14 to reset, so that the base 4 rotates, the filter bag 3 which is deformed rotates to reset, and the gas impacts on the tight filter bag 3 in the reduction process, and is converted from linear impact into tangential impact, so that the filter bag 3 receives the impact of the gas to complete the rapid ash removal in a large area.

The use method (working principle) of the invention is as follows:

firstly, dust-carrying gas enters a filtering chamber of a bag-type dust collector below a interlayer plate 1, then the dust-carrying gas flows to a loose filter bag 3 under the pressure difference between a hollow cavity 301 and the filtering chamber, after being filtered by the filter bag 3, large-particle dust falls under the self-weight, small-particle dust is intercepted by the filter bag 3, and then clean gas enters the space above the interlayer plate 1 from the hollow cavity 301 through an exhaust hole 2, is converged with the clean gas filtered by other filter bags 3 and then is led to a discharge pipeline;

then, when the filter bag 3 needs to be cleaned, high-pressure gas is introduced into the switch cylinder 9, so that the switch cylinder 9 is filled with the high-pressure gas, at the moment, the high-pressure gas is introduced into the movable cavity 401 through an opening at the bottom of the switch cylinder 9, the base 4 is subjected to the pressure of the high-pressure gas to be free from the limitation of the spring I13, the high-pressure gas is pressed at high speed until the top end of the movable cavity 401 collides with the top end of the limiting disc 6, the base 4 drives the loose filter bag 3 to be instantly tightened, dust on the filter bag 3 shakes off under the instantly tightened elasticity, the slide bar 11 is synchronously pressed downwards, the spring I13 is stretched, then the transmission device drives the switch cylinder 9 to rotate through the transmission gear 901, the gas transmission holes 10 in the switch cylinder 9 and the gas transmission holes 10 in the gas distribution cylinder 8 are staggered, the high-pressure gas is intermittently sprayed to the tight filter bag 3 from the gas transmission holes 10, the filter bag 3 is expanded under the impact force, and the dust on the filter bag shakes off;

finally, the rotation of the switch cylinder 9 drives the limit disc 6 to synchronously rotate, so that the active bulge 7 on the switch cylinder impacts the passive bulge 5 in the rotation process, the base 4 synchronously rotates due to the impact, the slide rod 11 drives the rotating rod 14 to synchronously rotate through the central control ring 12, the spring II 15 is compressed, the filter bag 3 is fixed at the top, the filter bag 3 is twisted to generate wrinkles under the condition of bottom rotation, the gap of the upper part of the filter bag 3 is enlarged, particles in the gap are loosened, then the active bulge 7 rapidly slides over the passive bulge 5, the base 4 is upwardly displaced, the filter bag 3 is loosened, when the active bulge 7 completely leaves the passive bulge 5, high-pressure gas again extrudes the base 4 to press down, the filter bag 3 is tightly pressed again, the compressed spring II 15 pushes the rotating rod 14 to reset and rotate, the rotating rod 14 drives the base 4 to synchronously rotate and reset, the twisted filter bag 3 is reset, at the moment, the gas impacts on the tight filter bag 3 in the resetting process, the tangential line impact is converted into impact, the large-area gas impact is received by the filter bag 3, the high-area impact, the high-pressure gas is stopped, the high-pressure gas is rapidly, the high-pressure gas is not needed to be supplied to the filter cylinder to drive the filter cylinder to lift the dust removal, and the dust removal is not to drive the dust removal, the high-pressure gas to continue to drive the filter cylinder to continue to drive the dust removal, and the dust removal process.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an industrial gas purifies uses pulse sack dust removal clarifier, includes interlayer board (1), its characterized in that: the dust removing device is characterized in that uniformly distributed exhaust holes (2) are formed in the partition plate (1), a base (4) is arranged below the partition plate (1), a filter bag (3) is fixedly connected to the top end of the base (4), a movable cavity (401) is formed in the base (4), uniformly distributed passive protrusions (5) are arranged at the top end of the movable cavity (401), a limiting disc (6) is movably sleeved in the movable cavity (401), driving protrusions (7) are arranged at the top end of the limiting disc (6), a switch cylinder (9) is fixedly connected to the center of the top end of the limiting disc (6), a gas distribution cylinder (8) is movably sleeved on the outer side of the switch cylinder (9), uniformly distributed gas transmission holes (10) are formed in the gas distribution cylinder (8) and the switch cylinder (9), the gas transmission holes (10) in the same plane are distributed in a staggered manner on the gas distribution cylinder (8) and the switch cylinder (9), a through hole is formed in the center of the limiting disc (6), the inner cavity of the switch cylinder (9) is communicated with the movable cavity (401) through a through hole, the bottom of the gas distribution cylinder (8) is positioned in the movable cavity (401), a transmission pipe (901), the transmission device is fixedly connected with a gas purification system, and the dust removing device is connected with the top end of the switch cylinder (901), slide bar (11) of the top fixedly connected with equipartition of base (4), accuse ring (12) have been cup jointed in the top activity of slide bar (11), spring I (13) have been fixedly cup jointed in the top outside of slide bar (11), dwang (14) of the top fixedly connected with equipartition of well accuse ring (12), slip chamber (16) around exhaust hole (2) equipartition are seted up to the bottom of interlayer board (1), fixedly connected with spring II (15) on the lateral wall of slip chamber (16), the other end and dwang (14) fixed connection of spring II (15).

2. The pulse bag dedusting purifier for industrial gas purification as recited in claim 1, wherein: the top end of the filter bag (3) is fixedly connected with the bottom end of the interlayer plate (1), and a hollow cavity (301) is formed in the filter bag (3).

3. The pulse bag dedusting purifier for industrial gas purification as recited in claim 1, wherein: the passive bulge (5) and the active bulge (7) are both hemispherical.

4. The pulse bag dedusting purifier for industrial gas purification according to claim 1, wherein: the top of gas distribution cylinder (8) and switch section of thick bamboo (9) all is located the top of interlayer board (1), the top outside fixedly connected with locating lever (801) of gas distribution cylinder (8), the other end and the inner wall fixed connection in exhaust hole (2) of locating lever (801), the top of switch section of thick bamboo (9) is equipped with the annular arch, the top laminating of annular arch and gas distribution cylinder (8).

5. The pulse bag dedusting purifier for industrial gas purification as recited in claim 1, wherein: the top of the sliding rod (11) penetrates through the central control ring (12), and the top end of the spring I (13) is fixedly connected with the bottom end of the central control ring (12).

6. The pulse bag dedusting purifier for industrial gas purification as recited in claim 1, wherein: the transversal shape of personally submitting of slip chamber (16) is the type of falling protruding, and the top of dwang (14) is the T font, the top activity of dwang (14) is cup jointed in slip chamber (16).