CN111282360A

CN111282360A - Pulse dust collector

Info

Publication number: CN111282360A
Application number: CN202010192050.XA
Authority: CN
Inventors: 胡小军
Original assignee: Haining Huasheng Environmental Protection Equipment Co Ltd
Current assignee: Haining Huasheng Environmental Protection Equipment Co Ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-06-16
Anticipated expiration: 2040-03-18
Also published as: CN111282360B

Abstract

The invention discloses a pulse dust collector, which belongs to the technical field of dust collecting equipment, wherein an air inlet pipe and an air outlet pipe are respectively arranged on two side walls of a box body, the air purifying cavity is communicated with the air outlet pipe, a filter cavity is communicated with the air inlet pipe, a bag opening of a filter bag is communicated with a purification cavity, a telescopic sleeve comprises a sleeve body I and a sleeve body II hermetically sleeved with the sleeve body I, the upper end of the sleeve body I is fixedly connected with the inner wall of the box body in a sealing manner, a driving part for driving the sleeve body II to move up and down is arranged on the side wall of the sleeve body I, a plurality of extension sleeves communicated with the interior of the box body are arranged at the bottom of the box body, the extension sleeves correspond to the telescopic sleeves one by one, a sealing valve for sealing the extension sleeves is arranged at. The pulse dust collector can be used for cleaning dust without stopping the machine, the dust cleaning effect is more excellent, and the dust cleaning time interval of the filter bag is prolonged.

Description

Pulse dust collector

Technical Field

The invention relates to the field of dust removal equipment, in particular to a pulse dust remover.

Background

A pulse bag type dust collector belongs to a mechanical shaking type dust collector, can collect and separate dust and particles in airflow, mainly adopts a mechanical shaking mode to clean dust, and is widely applied to purification of dust-containing gas and recovery of dust materials in food, pharmacy, feed, metallurgy, building materials, cement, machinery, chemical industry, electric power and light industry.

The application number 2016106901871 Chinese patent discloses a pulse bag-type dust collector, which comprises a box body, wherein a gas purification cavity and a filter cavity which are mutually isolated are arranged inside the box body, an air inlet pipe and an air outlet pipe are respectively arranged on two side walls of the box body, the gas purification cavity is communicated with the air outlet pipe, the filter cavity is communicated with the air inlet pipe, a gas injection pipe is arranged in the gas purification cavity, one end of the gas injection pipe penetrates through the gas purification cavity and extends out of the box body, a pulse valve is arranged at the end part of the gas injection pipe, a plurality of filter bags are arranged in the filter cavity, one ends of the filter bags are communicated with the gas purification cavity, and a plurality of nozzles which are in one-to-one correspondence; the dust collector also comprises a pre-dust plate, one end part of the pre-dust plate is hinged to the top of the filter cavity, the other end of the pre-dust plate is provided with a guide plate which is inclined along the air inlet direction, and a balancing weight is fixed on the side of the pre-dust plate, which is back to the air inlet pipe; the filter bag comprises an outer bag body, an inner bag body arranged inside the outer bag body and a circular truncated cone-shaped framework arranged on the inner wall of the inner bag body, a secondary air flow channel is formed in an annular space between the outer bag body and the inner bag body, an air outlet connected with the secondary air flow channel is formed in the upper end of the outer bag body, a barrel with one open end is installed between the bottom of the inner bag body and the bottom of the outer bag body, the open end of the barrel is communicated with the inside of the inner bag body, air holes communicated with the secondary air flow channel are formed in two side walls of the barrel, a sliding block is arranged in the barrel in a sliding mode, a spring is installed at the bottom of the sliding block, and when the inner bag body is in a normal state, the spring; an annular limiting groove is formed in the inner wall of the cylinder body, the air hole is formed in the middle of the limiting groove, the sliding block is arranged in the limiting groove in a sliding mode, semicircular elastic protrusions are arranged at two end points of the upper surface and the lower surface of the sliding block respectively, and the diameter of each elastic protrusion is the same as the depth of the limiting groove; the framework comprises a framework consisting of a metal ring and a metal rod and two U-shaped hanging buckles fixed on the top end of the framework, wherein the inner wall of each hanging buckle is provided with a L-shaped reinforcing rib matched with each hanging buckle, the outer wall of the lower end of each reinforcing rib is provided with a buckling part protruding outwards, and the inner wall of each hanging buckle is provided with a buckling groove matched with each buckling part.

The pulse dust collector is at the in-process of operation, the outlet duct can be connected with the fan, make the negative pressure form in the box after the fan is opened, the air that has the dust enters into the box from the intake pipe, the air can see through the filter bag and go out from the gas outlet, the dust can be kept apart by the filter bag, after working a period, need carry out the deashing to the filter bag, trigger each control valve opening pulse valve by pulse controller order during the deashing, the air is sprayed in each corresponding filter bag by the nozzle, the filter bag sharply expands in the twinkling of an eye, make the dust of long-pending attached on the filter bag surface drop, thereby realize carrying out the deashing.

The pulse bag-type dust collector is usually operated by workers in the dust removing process, in order to not influence the work of other equipment, dust can be directly removed in a non-stop state, the dust removing is firstly carried out on a plurality of groups of filter bags, the rest filter bags can be normally filtered, and the dust removing is carried out alternately.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a pulse dust collector which can be used for cleaning dust without stopping the machine, has a better dust cleaning effect and prolongs the dust cleaning time interval of a filter bag.

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

a pulse dust collector comprises a box body, wherein a gas purifying cavity and a filter cavity which are mutually isolated are arranged in the box body, an air inlet pipe and an air outlet pipe are respectively arranged on two side walls of the box body, the gas purifying cavity is communicated with the air outlet pipe, the filter cavity is communicated with the air inlet pipe, a plurality of vertically arranged telescopic sleeves are arranged in the filter cavity, a plurality of filter bags are arranged in the telescopic sleeves, bag mouths of the filter bags are communicated with a purification cavity, a plurality of jetting mechanisms which are in one-to-one correspondence with the telescopic sleeves are arranged in the purification cavity, each telescopic sleeve comprises a sleeve body I and a sleeve body II which is in sealed sleeve joint with the sleeve body I, the upper end of the sleeve body I is in sealed fixed connection with the inner wall of the box body, a driving piece for driving the sleeve body II to move up and down is arranged on the side wall of the sleeve body, a plurality of extending sleeves which are, when the second sleeve body is inserted into the extension sleeve, the outer wall of the second sleeve body is in sealing fit with the inner wall of the extension sleeve.

By adopting the technical scheme, a plurality of telescopic sleeves are arranged in the box body, a plurality of filter bags are arranged in the telescopic sleeves, when the dust of the filter bag in a certain telescopic sleeve needs to be cleaned, the second sleeve body is moved downwards to be in sealing butt joint with the lower extension sleeve only through the driving piece, the sealing valve at the bottom of the extension sleeve is closed, thus, the outside air is not easy to flow into the telescopic sleeve when entering the box body, then the filter bag is cleaned by the blowing mechanism, so that the dust cleaned from the filter bag can directly fall into the extension sleeve for storage, so that the phenomenon that a large amount of dust is attached to the surface of the adjacent just cleaned filter bag along with the airflow after being cleaned from the filter bag is not easy to occur, therefore, the effect of cleaning the dust of the filter bag can be more ideal under the condition of no shutdown, and the time interval of cleaning the dust of the filter bag can be prolonged.

The invention is further configured to: the side wall of the extension sleeve above the sealing valve is provided with a first slot communicated with the inside of the extension sleeve, a first sealing plate used for sealing the extension sleeve is inserted in the first slot in a sliding manner, and the outer wall of the first sealing plate is in sealing fit with the inner wall of the first slot.

The dust in the extension sleeve is stored to a certain amount, the sealing valve needs to be opened for clearing, after the sealing valve is opened, outside air flows into the box body through the extension sleeve, the dust in the extension sleeve can upwards run along with air flow, and therefore the machine needs to be stopped.

The invention is further configured to: the sealing valve comprises a second sealing plate, a second slot communicated with the inside of the second extension sleeve is formed in the outer wall of the second extension sleeve, and the second sealing plate is slidably inserted into the second slot and is in sealing fit with the inner wall of the second slot.

Through adopting above-mentioned technical scheme, realize opening and closing extension cover lower extreme through the sliding seal board two, such seal valve simple structure also convenient operation.

The invention is further configured to: the extension set lateral wall is equipped with a gliding actuating mechanism of drive closing plate, actuating mechanism include with extension set lateral wall fixed connection's driving motor, the fixed cover of driving motor output shaft is equipped with the drive wheel, the drive wheel is contradicted on the closing plate lateral wall.

Through adopting above-mentioned technical scheme, just can drive the closing plate through driving motor and drive wheel and slide, just so need not artificially to promote the closing plate one for it is more simple laborsaving to operate.

The invention is further configured to: the first sealing plate and the second sealing plate are respectively located on the left side and the right side of the first extending sleeve, a through hole for the first sealing plate to penetrate out is formed in the extending sleeve relative to the other side of the first inserting groove, a plug of the sealing through hole is arranged in the through hole, the plug extends out of the through hole and is provided with a connecting rod between the connecting rod and the second sealing plate, a reset spring is arranged between the connecting rod and the extending sleeve, and the width of the first sealing plate in the sliding direction of the first sealing plate is larger than the two times.

By adopting the technical scheme, after the driving wheel rotates, the first sealing plate is driven to move in the extension sleeve, when the first sealing plate abuts against the plug, the first sealing plate seals the upper end of the extension sleeve, after the first sealing plate continues to move, the first sealing plate can push the plug to move outwards, the plug can move to drive the connecting rod and the second sealing plate to move together, so that the second sealing plate is opened (in the process, the first sealing plate always seals the upper end of the extension sleeve), dust in the extension sleeve can automatically drop, after the dust drops, the driving motor drives the driving wheel to rotate reversely, the driving wheel drives the first sealing plate to move backwards, so that the upper end of the extension sleeve is opened, meanwhile, the reset spring can pull the connecting rod, the second sealing plate and the plug to move backwards together, the second sealing plate seals the lower end of the extension sleeve again, the plug seals the through hole again, and the arrangement ensures that the, the whole equipment is not required to be opened or closed, so that the whole equipment is simpler and more convenient to operate.

The invention is further configured to: the outer wall of the extension sleeve is provided with a first sliding rail for the plug to slide left and right, and the outer wall of the extension sleeve is provided with a first support frame for supporting the first sliding rail.

By adopting the technical scheme, the arrangement of the first support frame and the first slide rail enables the plug to move more stably in the left-right direction.

The invention is further configured to: the outer wall of the extension sleeve is provided with a second sliding rail for the sliding of the first sealing plate, and the outer wall of the extension sleeve is provided with a second supporting frame for supporting the second sliding rail.

Through adopting above-mentioned technical scheme, the setting of support frame two and slide rail two makes closing plate one more steady when removing about.

In conclusion, the beneficial technical effects of the invention are as follows: the filter bag needing to be cleaned is separated from the filter bag which is normally filtered through the telescopic sleeve, so that the phenomenon that a large amount of dust is attached to the surface of the adjacent filter bag which is just cleaned along with air flow after being removed from the filter bag is not easy to occur, the effect of cleaning the filter bag can be more ideal under the condition of no shutdown, and the time interval of cleaning the filter bag can be prolonged; the first sealing valve and the first sealing plate can be automatically opened and closed, and the operation of workers is simpler and more convenient.

Drawings

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

FIG. 2 is a front view of the present invention;

in the figure, 1, a box body; 2. a clean air cavity; 3. a filter chamber; 4. an air inlet pipe; 5. an air outlet pipe; 6. a telescopic sleeve; 61. a first sleeve body; 62. a second sleeve body; 63. a drive member; 7. a filter bag; 8. a blowing mechanism; 9. an extension sleeve; 10. a sealing valve; 101. a second sealing plate; 102. a second slot; 11. a first slot; 12. a first sealing plate; 13. a drive mechanism; 131. a drive motor; 132. a drive wheel; 14. a through hole; 15. a plug; 16. a connecting rod; 17. a return spring; 18. a first slide rail; 19. a first support frame; 20. a second slide rail; 21. a second support frame; 22. and a limiting block.

Detailed Description

As shown in fig. 1 and 2, the pulse dust collector disclosed by the invention comprises a box body 1, a filter cavity 3 and a purification cavity which are separated from each other are arranged in the box body 1, an air inlet pipe 4 which is communicated with the filter cavity 3 is arranged on the left side of the box body 1, an air outlet pipe 5 which is communicated with the purification cavity is arranged on the right side of the box body 1, the air outlet pipe 5 is connected with an external exhaust fan, and the exhaust fan exhausts air from the box body 1 to enable the interior of the box body 1 to be in negative pressure; a plurality of telescopic sleeves 6 are arranged in the filter cavity 3, a plurality of filter bags 7 are arranged in the telescopic sleeves 6, and bag openings of the filter bags 7 are communicated with the purification cavity; a plurality of injection mechanisms 8 which are in one-to-one correspondence with the telescopic sleeves 6 are arranged in the purification cavity, the injection mechanisms 8 can perform injection and ash removal on the filter bags 7, and the injection mechanisms 8 are in the prior art and are not described in detail; the bottom of the box body 1 is provided with a plurality of extension sleeves 9 which are in one-to-one correspondence with the telescopic sleeves 6, and the extension sleeves 9 are communicated with the inside of the box body 1.

The telescopic sleeve 6 comprises a first sleeve body 61 and a second sleeve body 62 in sealed sleeve joint with the first sleeve body 61, the upper end of the first sleeve body 61 is in sealed fixed connection with the inner wall of the box body 1, a driving part 63 is arranged on the outer wall of the first sleeve body 61, the driving part 63 is an air cylinder, the output end of the air cylinder is fixedly connected with the second sleeve body 62, the second sleeve body 62 can be driven to move up and down, the driving part 63 drives the second sleeve body 62 to move down when the filter bag 7 is cleaned, the second sleeve body 62 can be in sealed sleeve joint with the extension sleeve 9, a sealing valve 10 is further arranged at the lower end of the extension sleeve 9, and after the second sleeve body 62 and the extension sleeve 9 are in sleeve joint, external air.

A first slot 11 communicated with the inside of the extension sleeve 9 is formed in the left side of the extension sleeve 9, a first sealing plate 12 used for sealing the extension sleeve 9 is inserted into the first slot 11 in a sliding mode, the first sealing plate 12 is located above the sealing valve 10, the width of the first sealing plate 12 relative to the sliding direction of the first sealing plate is larger than twice of the width of the extension sleeve 9, a second sliding rail 20 used for sliding the first sealing plate 12 left and right is arranged on the outer wall of the extension sleeve 9, a second supporting frame 21 is arranged between the second sliding rail 20 and the extension sleeve 9, a driving mechanism 13 used for driving the first sealing plate 12 to slide left and right is arranged on the outer wall of the extension sleeve 9, the driving mechanism 13 comprises a driving motor 131 and a driving wheel 132 fixedly sleeved on an output shaft of the driving motor 131, the driving motor 131; a through hole 14 for the first sealing plate 12 to penetrate out is formed in the right side of the extension sleeve 9, a plug 15 for sealing the through hole 14 is arranged in the through hole 14, a first support frame 19 is arranged on the right side of the extension sleeve 9, and a first sliding rail 18 for the plug 15 to slide left and right is arranged on the support frame; the sealing valve 10 comprises a second sealing plate 101, a second slot 102 communicated with the inside of the extension sleeve 9 is arranged on the right side of the extension sleeve, and the second sealing plate 101 is slidably inserted into the slot and is in sealing fit with the inner wall of the second slot 102; outside end cap 15 extended to through-hole 14, be equipped with connecting rod 16 between end cap 15 and the second sealing plate 101, connecting rod 16 with extend and be equipped with reset spring 17 between the cover 9, reset spring 17 one end is fixed with connecting rod 16 lateral wall, one end is fixed on extending the cover 9 outer wall in addition, be equipped with stopper 22 on keeping away from the second 20 tip of slide rail that extends cover 9, can contradict with stopper 22 when end cap 15 removed the rightmost side (the second sealing plate 101 also just in time opens completely at this moment), stopper 22 can play spacing effect to end cap 15 and make it difficult for breaking away from on the second 20 slide rail.

When dust removal is required to be carried out on a filter bag 7 in a certain telescopic sleeve 6, the second sleeve body 62 is driven to move downwards by the corresponding driving piece 63 to be inserted into the extension sleeve 9 to be butted with the extension sleeve 9, then the injection mechanism 8 is opened to inject the filter bag 7 in the telescopic sleeve 6, and dust falling after injection directly falls into the extension sleeve 9 to be stored, so that the falling dust is not easy to attach to the surface of the adjacent filter bag 7 which is just cleaned along with air flow, and the dust remover can normally work in the whole process; when dust in the extension sleeve 9 needs to be cleaned, only the driving wheel 132 needs to be driven to rotate by the driving motor 131, the driving wheel 132 rotates to drive the sealing plate one 12 to move into the extension sleeve 9, the upper end of the extension sleeve 9 is sealed by the sealing plate one 12, after the upper end of the extension sleeve 9 is sealed, the sealing plate one 12 continues to move to push the plug 15 to move outwards, meanwhile, the plug 15 can drive the connecting rod 16 and the sealing plate two 101 to move, so that the sealing plate two 101 is opened, the dust in the extension sleeve 9 can automatically fall off, after the cleaning is completed, the driving motor 131 drives the driving wheel 132 to rotate reversely, so that the sealing plate one 12 is restored to the original position (the upper end of the extension sleeve 9 is in an opened state), the sealing plate two 101, the connecting rod 16 and the plug 15 can also be restored to the original position (the lower end of the extension sleeve 9 is in a closed state) under the action of the return spring, in the process of cleaning the dust in the extension sleeve 9, the dust remover can work normally without stopping the machine.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered in the protection scope of the invention, and the cylinder related to the invention is connected with the air compressor and the oil cylinder is connected with the oil pump.

Claims

1. The utility model provides a pulse dust collector, includes box (1) inside air purification chamber (2) and the filter chamber (3) that are provided with mutual isolated of box (1), be equipped with intake pipe (4) and outlet duct (5) on the both sides wall of box (1) respectively, just air purification chamber (2) and outlet duct (5) intercommunication, filter chamber (3) and intake pipe (4) intercommunication, its characterized in that: a plurality of vertically arranged telescopic sleeves (6) are arranged in the filter cavity (3), a plurality of filter bags (7) are arranged in the telescopic sleeves (6), bag mouths of the filter bags (7) are communicated with the purification cavity, a plurality of injection mechanisms (8) which are in one-to-one correspondence with the telescopic sleeves (6) are arranged in the purification cavity, each telescopic sleeve (6) comprises a sleeve body I (61) and a sleeve body II (62) which is in sealed sleeve joint with the sleeve body I (61), the upper end of the sleeve body I (61) is fixedly connected with the inner wall of the box body (1) in a sealed way, the side wall of the sleeve body I (61) is provided with a driving piece (63) which drives the sleeve body II (62) to move up and down, a plurality of extension sleeves (9) which are communicated with the inner part of the box body (1) are arranged at the bottom of the box body (1), the extension sleeves (9) are in one-to-, when the second sleeve body (62) is inserted into the extension sleeve (9), the outer wall of the second sleeve body (62) is in sealing fit with the inner wall of the extension sleeve (9).

2. A pulse dust collector as defined in claim 1, wherein: the sealing device is characterized in that a first slot (11) communicated with the inside of the extension sleeve (9) is formed in the side wall, above the sealing valve (10), of the extension sleeve (9), a first sealing plate (12) used for sealing the extension sleeve (9) is inserted into the first slot (11) in a sliding mode, and the outer wall of the first sealing plate (12) is in sealing fit with the inner wall of the first slot (11).

3. A pulse dust collector as defined in claim 2, wherein: the sealing valve (10) comprises a second sealing plate (101), a second slot (102) communicated with the inside of the second extending sleeve (9) is formed in the outer wall of the second extending sleeve, and the second sealing plate (101) is slidably inserted into the second slot and is in sealing fit with the inner wall of the second slot (102).

4. A pulse dust collector as defined in claim 3, wherein: extend set (9) lateral wall and be equipped with gliding actuating mechanism (13) of drive closing plate (12), actuating mechanism (13) include with extend set (9) lateral wall fixed connection's driving motor (131), the fixed cover of driving motor (131) output shaft is equipped with drive wheel (132), drive wheel (132) are contradicted on the closing plate lateral wall.

5. A pulse precipitator in accordance with claim 4, wherein: the sealing plate I (12) and the sealing plate II (101) are respectively located on the left side and the right side of the extension sleeve (9), the extension sleeve (9) is provided with a through hole (14) for the sealing plate I (12) to penetrate out relative to the other side of the slot I (11), a plug (15) of the sealing through hole (14) is arranged in the through hole (14), the plug (15) extends out of the through hole (14) and is provided with a connecting rod (16) between the sealing plate II (101), the connecting rod (16) and the extension sleeve (9) are provided with a return spring (17), and the width of the sealing plate I (12) in the sliding direction of the sealing plate I is larger than the width of the extension sleeve (9) by twice.

6. A pulse precipitator in accordance with claim 5, wherein: the outer wall of the extension sleeve (9) is provided with a first sliding rail (18) for the plug (15) to slide left and right, and the outer wall of the extension sleeve (9) is provided with a first support frame (19) for supporting the first sliding rail (18).

7. A pulse dust collector as defined in claim 2, wherein: the outer wall of the extension sleeve (9) is provided with a second sliding rail (20) for the sliding of the sealing plate I (12), and the outer wall of the extension sleeve (9) is provided with a second support frame (21) for supporting the second sliding rail (20).