CN211189429U

CN211189429U - Central dust removal cabinet with polyester fiber needled felt filter bag

Info

Publication number: CN211189429U
Application number: CN201921721842.0U
Authority: CN
Inventors: 吴伟龙; 林斌; 曾伟; 吴晓璇; 邓倩玲; 潘伟栋
Original assignee: Cheng Yuan Environmental Co ltd
Current assignee: Cheng Yuan Environmental Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-07
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a be furnished with central authorities' dust removal cabinet of polyester fiber acupuncture felt filter bag, its technical scheme main points are including the casing, the fan, deposition device and a plurality of dust removal subassembly, dust removal subassembly includes the connecting pipe, the upper end dish, intermediate disk and lower end dish, set up between intermediate disk and the lower end dish and cross the filter bag, be equipped with the air guide hole on the connecting pipe, be fixed with the wind board on the lateral surface of connecting pipe, the fan is connected with the air-out house steward, the other end of air-out house steward is connected with air-out branch pipe and backflow branch pipe, air-out branch pipe is provided with the air-out valve with the junction of air-out house steward, backflow branch pipe is provided with the backward flow outlet with the backward flow. The dust in the air can be separated or the dust is removed from the filter bag by opening and closing the fan, the backflow valve and the air outlet valve, the dust removing structure is simple, the dust removing operation is convenient, and the filter bag is not impacted in the dust removing process, so that the filter bag is not easy to damage.

Description

Central dust removal cabinet with polyester fiber needled felt filter bag

Technical Field

The utility model relates to a dust collecting equipment field, more specifically the central authorities' dust removal cabinet that is furnished with polyester fiber acupuncture felt filter bag that says so.

Background

In the process of processing products in the manufacturing industry, many processes are prone to generate dust, such as stone grinding, polishing, metal or wood cutting and cutting, boiler combustion and the like, and the dust has adverse effects on the production process and the production environment. The staff is owing to stay in the workshop that is full of the dust for a long time, and the dust is piled up easily to the respiratory track, influences staff's healthy, and simultaneously, the dust that the timber cutting produced still has the flammability, has the potential safety hazard.

A dust-collecting cabinet is an apparatus for separating particles such as dust from gas, and the working principle of the existing dust collector is that the dust-containing gas enters a filter chamber from a lower open flange, the thicker particles directly fall into a dust bin, the dust-containing gas is filtered by a filter bag, the dust is retained on the surface of the bag, and the clean gas is delivered to a gas-purifying chamber through a bag opening and is discharged into the atmosphere by a fan. When the dust on the surface of the filter bag is continuously increased, the program control instrument starts to work, the pulse valves are opened one by one, compressed air is enabled to blow and clean the filter bag through the nozzle, the filter bag is enabled to expand suddenly, and under the action of reverse airflow, the dust given to the surface of the bag is rapidly separated from the filter bag and falls into the dust bin. However, when the filter bag is subjected to dust removal in such a way, not only is the dust removal structure complex, but also the filter bag is easily damaged due to sudden expansion of the filter bag.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a central authorities' dust removal cabinet who is furnished with polyester fiber acupuncture felt filter bag, this dust removal cabinet can separate out the dust in the air, and deashing simple structure, and the deashing is convenient, and the filter bag is not fragile.

In order to achieve the above purpose, the utility model provides a following technical scheme: the central dust removal cabinet is provided with a polyester fiber needled felt filter bag and comprises a shell, a fan, a dust deposition device and a plurality of dust removal components, wherein a filter cavity is arranged in the shell, the dust removal components are arranged in the filter cavity, an air inlet and a plurality of air outlets are arranged in the filter cavity, the air outlets are arranged above the filter cavity, each air outlet is connected with a dust removal component, and dust-containing gas is discharged from the air outlets after being dedusted by the dust removal components in the filter cavity; the dust collecting device is arranged on the lower surface of the filter cavity, the shell is provided with an ash outlet for taking out the dust collecting device, the ash outlet is provided with a sealing cover for opening and closing the ash outlet, the shell is also internally provided with a gas purifying cavity, the gas purifying cavity is communicated with the filter cavity through each gas outlet, the fan is arranged on the shell, an inlet of the fan is communicated with the inside of the gas purifying cavity, the dust removing component comprises a connecting pipe with a hollow inner part, an upper end disc, a middle disc and a lower end disc with sequentially reduced outer diameters, the connecting pipe penetrates through the middle disc and is coaxially and fixedly connected with the middle disc, the lower end of the connecting pipe is coaxially and fixedly connected with the lower end disc, the upper end of the connecting pipe is coaxially and rotatably connected with the upper end disc, the middle disc is rotatably connected in the gas outlet, the upper end disc is detachably connected with the upper side wall of the gas purifying cavity, the filter bag is surrounded outside the connecting pipe, the upper end and the lower end of the filter bag are respectively connected with the middle disc and the lower end disc, a plurality of air guide holes are formed in the outer side surface of the connecting pipe, the air guide holes are communicated with the inner side and the outer side of the connecting pipe, a plurality of air moving plates are further fixed on the outer side surface of the connecting pipe, the air moving plates are located between the upper end disc and the middle disc, the plurality of air moving plates are annularly and uniformly distributed along the central axis of the connecting pipe, one side of each air moving plate is fixedly connected with the outer side wall of the connecting pipe, the other side of each air moving plate extends to the side deviating from the central axis of the connecting pipe, the outlet of the fan is connected with an air outlet main pipe, the other end of the air outlet main pipe is connected with an air outlet branch pipe and a backflow branch, the backflow branch pipe is provided with a plurality of backflow outlets, the backflow outlets and the dust removal assemblies are arranged in a one-to-one correspondence mode, the backflow outlets are opposite to the pneumatic plate, and gas is blown out from the backflow outlets and then drives the connecting pipe and the filter bag to rotate through the pneumatic plate.

As a further improvement of the utility model, the filter bag is made of polyester fiber needled felt filter bag.

As a further improvement of the utility model, the upper end disc is connected with the upper side wall of the air purifying cavity in a clamping manner.

As a further improvement of the utility model, the upper side of the upper end disc is provided with a pull ring which is convenient for extracting the dust removal assembly component.

As a further improvement of the utility model, the upper and lower both ends of filtering the bag pass through the magic with intermediate disc and lower end dish respectively and paste the adhesion.

As a further improvement, the air guide holes are distributed along the circumferential direction of the connecting pipe and along the length direction of the connecting pipe.

The utility model has the advantages that: the dust in the air can be separated or the dust is removed from the filter bag by opening and closing the fan, the backflow valve and the air outlet valve, the dust removing structure is simple, the dust removing operation is convenient, and the filter bag is not impacted in the dust removing process, so that the filter bag is not easy to damage. The outer diameters of the upper end disc, the middle disc and the lower end disc of the dust removal assembly are sequentially reduced, and the upper end disc and the upper side wall of the air purification cavity are detachably connected, so that the dust removal assembly can be replaced by an operator, or the dust removal assembly is taken out to perform deep dust removal. The setting of the ash outlet and the closing cap on the casing makes operating personnel take out the deposition device from the casing, is convenient for handle accumulational dust.

Drawings

FIG. 1 is a schematic perspective view of a central dust removal cabinet equipped with a polyester fiber needle felt filter bag;

FIG. 2 is a cross-sectional view of a central dust bin equipped with a polyester fiber needled felt filter bag;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is another angular cross-sectional view of a central dust bin equipped with a polyester needle felt filter bag.

Reference numerals: 1. a housing; 11. a filter chamber; 111. an air inlet; 112. an air outlet; 12. an ash outlet; 13. sealing the cover; 14. a clean air cavity; 2. a fan; 21. an air outlet main pipe; 22. an air outlet branch pipe; 23. a return branch pipe; 231. a return outlet; 24. an air outlet valve; 25. a return valve; 3. a dust deposition device; 4. a dust removal assembly; 41. a connecting pipe; 411. an air vent; 42. an upper end disk; 421. a pull ring; 43. an intermediate tray; 44. a lower end disc; 45. a filter bag; 451. magic tape; 46. and (4) a wind power plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 4, the central dust removal cabinet equipped with the polyester fiber needle felt filter bag of the present embodiment includes a housing 1, a fan 2, a dust deposition device 3, and a plurality of dust removal assemblies 4, a filter chamber 11 is disposed in the housing 1, the dust removal assemblies 4 are disposed in the filter chamber 11, an air inlet 111 and a plurality of air outlets 112 are disposed in the filter chamber 11, the air outlets 112 are disposed above the filter chamber 11, each air outlet 112 is connected with a dust removal assembly 4, and dust-containing gas is discharged from the air outlets 112 after being removed dust in the filter chamber 11 by the dust removal assemblies 4; the dust collecting device 3 is arranged on the lower surface of the filter cavity 11, an ash outlet 12 for taking out the dust collecting device 3 is arranged on the shell 1, a sealing cover 13 for opening and closing the ash outlet 12 is arranged at the ash outlet 12, a clean air cavity 14 is also arranged in the shell 1, the clean air cavity 14 is communicated with the filter cavity 11 through each air outlet 112, the fan 2 is arranged on the shell 1, an inlet of the fan 2 is communicated with the clean air cavity 14, the dust removing assembly 4 comprises a connecting pipe 41 with a hollow inner part, an upper end disc 42 with a sequentially reduced outer diameter, a middle disc 43 and a lower end disc 44, the connecting pipe 41 penetrates through the middle disc 43 and is coaxially and fixedly connected with the middle disc 43, the lower end of the connecting pipe 41 is coaxially and fixedly connected with the lower end disc 44, the upper end of the connecting pipe 41 is coaxially and rotatably connected with the upper end disc 42, the middle disc 43 is rotatably connected in the air outlet 112, the upper end disc 42 is detachably connected with, the filter bag 45 is surrounded outside the connecting pipe 41, the upper end and the lower end of the filter bag 45 are respectively connected with the middle disc 43 and the lower end disc 44, the outer side surface of the connecting pipe 41 is provided with a plurality of air guide holes 411, the air guide holes 411 are communicated with the inner side and the outer side of the connecting pipe 41, the outer side surface of the connecting pipe 41 is also fixed with a plurality of pneumatic plates 46, the pneumatic plates 46 are positioned between the upper end disc 42 and the middle disc 43, the plurality of pneumatic plates 46 are annularly and uniformly distributed along the central axis of the connecting pipe 41, one side of each pneumatic plate 46 is fixedly connected with the outer side wall of the connecting pipe 41, the other side of each pneumatic plate extends away from the central axis of the connecting pipe 41, the outlet of the fan 2 is connected with an air outlet main pipe 21, the other end of the air outlet main pipe 21 is connected with an air outlet branch pipe 22 and a backflow branch pipe 23, the backflow branch pipes 23 are provided with a plurality of backflow outlets 231, the backflow outlets 231 are arranged in one-to-one correspondence with the dust removal assemblies 4, the backflow outlets 231 are all opposite to the air moving plate 46, and the air is blown out from the backflow outlets 231 and then drives the connecting pipe 41 and the filter bag 45 to rotate through the air moving plate 46.

The dust collector 3 may be provided as a box body with an open upper side. When the backflow valve 25 is closed and the air outlet valve 24 is opened, an operator starts the fan 2, dust-containing gas enters from the air inlet 111, large-particle dust directly falls into the dust deposition device 3 due to the action of gravity, when the dust-containing gas passes through the filter bag 45, small-particle dust is isolated by the filter bag 45, purified air enters the connecting pipe 41 through the air guide hole 411 between the middle disc 43 and the lower end disc 44 and enters the air purification chamber 14 from the connecting pipe 41 through the air guide hole 411 between the upper end disc 42 and the middle disc 43, and gas in the air purification chamber 14 enters the inlet of the fan 2 and is discharged from the air outlet branch pipe 22 through the air outlet main pipe 21; therefore, the dust removal cabinet can separate dust in the air. When the backflow valve 25 is opened and the air outlet valve 24 is closed, the air in the clean air cavity 14 enters the inlet of the fan 2 and enters the backflow branch pipe 23 through the air outlet main pipe 21, and is finally discharged into the clean air cavity 14 through the backflow outlet 231 on the backflow branch pipe 23, at the moment, the air moving plate 46 is pushed by the air discharged from the backflow outlet 231, the air moving plate 46 drives the connecting pipe 41 to rotate, so that each dust removing component 4 rotates, the dust accumulated on the filter bag 45 falls into the dust collecting device 3 under the action of centrifugal force, the ash removal of the filter bag 45 is realized, therefore, an operator can perform ash removal on the filter bag 45 by opening and closing the backflow valve 25 and the air outlet valve 24, the ash removal structure is simple, the ash removal operation is convenient, and the filter bag is not impacted in the ash removal process, so. The arrangement that the outer diameters of the upper end disc 42, the middle disc 43 and the lower end disc 44 of the dust removing component 4 are sequentially reduced, and the upper end disc 42 is detachably connected with the upper side wall of the air purifying cavity 14, so that an operator can replace the dust removing component 4 or take the dust removing component 4 out for deep dust removal. The arrangement of the dust outlet 12 and the cover 13 on the housing 1 enables an operator to take the dust deposition device 3 out of the housing 1, so that the accumulated dust can be conveniently treated.

As a modified embodiment, referring to FIG. 3, the filter bag 45 is a polyester fiber needle felt filter bag. The needled felt filter bag has the advantages of good air permeability, high dust collection efficiency, long service life and the like, and the adoption of the polyester fiber needled felt filter bag can improve the filtering speed, reduce the running resistance and prevent the condensation and the attachment of dust.

As a modified embodiment, referring to FIG. 2, the upper end disk 42 engages the upper side wall of the purge chamber 14. The air purifying cavity 14 can be provided with a through hole for the upper end disc 42 to be inserted into, a rubber ring can be fixed on the side wall of the through hole, and the outer diameter of the upper end disc 42 can be set between the inner diameter of the through hole and the inner diameter of the rubber ring, so that the upper end disc 42 can be clamped into the rubber ring, the clamping connection between the upper end disc 42 and the air purifying cavity 14 is realized, and the arrangement of the rubber ring is favorable for providing sealing performance.

As a modified embodiment, referring to fig. 2, the upper side of the upper end disc 42 is provided with a pull ring 421 for facilitating the extraction of the dust removing assembly 4. The setting of pull ring 421 can come dust removal component 4 to pull out through pulling pull ring 421 when making operating personnel dismantle dust removal component 4 for the dismantlement of dust removal component 4 is simple and convenient more.

As a modified embodiment, referring to fig. 3, the upper and lower ends of the filter bag 45 are respectively adhered to the middle plate 43 and the lower end plate 44 by hook & loop fasteners 451. The filter bag 45, the middle plate 43 and the lower end plate 44 are detachably connected, so that an operator can replace the filter bag 45 or disassemble the filter bag 45 to clean ash conveniently, and the detachable structure is simple and practical and is convenient to operate.

As a modified embodiment, referring to fig. 2, 3 and 4, the air holes 411 are uniformly distributed along the circumferential direction of the connection pipe 41 and are arranged along the length direction of the connection pipe 41. The uniform distribution of the gas guide holes 411 is beneficial to the rapid flow of the gas.

The working principle is as follows:

when the backflow valve 25 is closed and the air outlet valve 24 is opened, an operator starts the fan 2, dust-containing gas enters from the air inlet 111, large-particle dust directly falls into the dust deposition device 3 due to the action of gravity, when the dust-containing gas passes through the filter bag 45, small-particle dust is isolated by the filter bag 45, purified air enters the connecting pipe 41 through the air guide hole 411 between the middle disc 43 and the lower end disc 44 and enters the air purification chamber 14 from the connecting pipe 41 through the air guide hole 411 between the upper end disc 42 and the middle disc 43, and gas in the air purification chamber 14 enters the inlet of the fan 2 and is discharged from the air outlet branch pipe 22 through the air outlet main pipe 21; therefore, the dust removal cabinet can separate dust in the air. When the backflow valve 25 is opened and the air outlet valve 24 is closed, the air in the clean air cavity 14 enters the inlet of the fan 2 and enters the backflow branch pipe 23 through the air outlet main pipe 21, and is finally discharged into the clean air cavity 14 through the backflow outlet 231 on the backflow branch pipe 23, at the moment, the air moving plate 46 is pushed by the air discharged from the backflow outlet 231, the air moving plate 46 drives the connecting pipe 41 to rotate, so that each dust removing component 4 rotates, the dust accumulated on the filter bag 45 falls into the dust collecting device 3 under the action of centrifugal force, the ash removal of the filter bag 45 is realized, therefore, an operator can perform ash removal on the filter bag 45 by opening and closing the backflow valve 25 and the air outlet valve 24, the ash removal structure is simple, the ash removal operation is convenient, and the filter bag is not impacted in the ash removal process, so. The arrangement that the outer diameters of the upper end disc 42, the middle disc 43 and the lower end disc 44 of the dust removing component 4 are sequentially reduced, and the upper end disc 42 is detachably connected with the upper side wall of the air purifying cavity 14, so that an operator can replace the dust removing component 4 or take the dust removing component 4 out for deep dust removal. The arrangement of the dust outlet 12 and the cover 13 on the housing 1 enables an operator to take the dust deposition device 3 out of the housing 1, so that the accumulated dust can be conveniently treated. The air purifying cavity 14 can be provided with a through hole for the upper end disc 42 to be inserted into, a rubber ring can be fixed on the side wall of the through hole, and the outer diameter of the upper end disc 42 can be set between the inner diameter of the through hole and the inner diameter of the rubber ring, so that the upper end disc 42 can be clamped into the rubber ring, the clamping connection between the upper end disc 42 and the air purifying cavity 14 is realized, and the arrangement of the rubber ring is favorable for providing sealing performance. The setting of pull ring 421 can come dust removal component 4 to pull out through pulling pull ring 421 when making operating personnel dismantle dust removal component 4 for the dismantlement of dust removal component 4 is simple and convenient more. The filter bag 45, the middle plate 43 and the lower end plate 44 are detachably connected, so that an operator can replace the filter bag 45 or disassemble the filter bag 45 to clean ash conveniently, and the detachable structure is simple and practical and is convenient to operate.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Be furnished with central authorities' dust removal cabinet of polyester fiber acupuncture felt filter bag, including casing (1), fan (2), deposition device (3) and a plurality of dust removal component (4), its characterized in that: a filter cavity (11) is arranged in the shell (1), the dust removal assembly (4) is arranged in the filter cavity (11), an air inlet (111) and a plurality of air outlets (112) are arranged in the filter cavity (11), the air outlets (112) are arranged above the filter cavity (11), each air outlet (112) is connected with the dust removal assembly (4), and dust-containing gas is discharged from the air outlets (112) after being dedusted by the dust removal assemblies (4) in the filter cavity (11); the dust collecting device (3) is arranged on the lower surface of the filter cavity (11), an ash outlet (12) for taking out the dust collecting device (3) is arranged on the shell (1), a sealing cover (13) for opening and closing the ash outlet (12) is arranged at the ash outlet (12), a clean air cavity (14) is further arranged in the shell (1), the clean air cavity (14) is communicated with the filter cavity (11) through each air outlet (112), the fan (2) is arranged on the shell (1), an inlet of the fan (2) is communicated with the interior of the clean air cavity (14), the dust removing assembly (4) comprises a connecting pipe (41) with a hollow interior, an upper end disc (42), a middle disc (43) and a lower end disc (44) with sequentially reduced outer diameters, the connecting pipe (41) penetrates through the middle disc (43) and is coaxially and fixedly connected with the middle disc (43), and the lower end of the connecting pipe (41) is coaxially and fixedly connected with the lower end disc (44), the upper end of the connecting pipe (41) is coaxially and rotatably connected with the upper end disc (42), the middle disc (43) is rotatably connected into the air outlet (112), the upper end disc (42) is detachably connected with the upper side wall of the air purifying cavity (14), a filter bag (45) is arranged between the middle disc (43) and the lower end disc (44), the filter bag (45) is arranged outside the connecting pipe (41) in a surrounding manner, the upper end and the lower end of the filter bag (45) are respectively connected with the middle disc (43) and the lower end disc (44), a plurality of air guide holes (411) are formed in the outer side surface of the connecting pipe (41), the air guide holes (411) are communicated with the inner side and the outer side of the connecting pipe (41), a plurality of air moving plates (46) are further fixed on the outer side surface of the connecting pipe (41), the air moving plates (46) are positioned between the upper end disc (42) and the middle disc (43), and the air moving plates (46) are annularly and uniformly, one side of each wind-driven plate (46) is fixedly connected with the outer side wall of the connecting pipe (41), the other side of each wind-driven plate extends away from one side of the central axis of the connecting pipe (41), the outlet of the fan (2) is connected with an air outlet main pipe (21), the other end of the air outlet main pipe (21) is connected with an air outlet branch pipe (22) and a return branch pipe (23), the air outlet branch pipe (22) is communicated with air, an air outlet valve (24) is arranged at the joint of the air outlet branch pipe (22) and the air outlet main pipe (21), a return valve (25) is arranged at the joint of the return branch pipe (23) and the air outlet main pipe (21), a plurality of backflow outlets (231) are arranged on the backflow branch pipe (23), the backflow outlets (231) are arranged in one-to-one correspondence with the dust removal components (4), the backflow outlets (231) are opposite to the wind moving plate (46), and the air is blown out from the backflow outlets (231) and then drives the connecting pipe (41) and the filter bag (45) to rotate through the wind moving plate (46).

2. The central dust collecting cabinet equipped with the polyester fiber needle felt filter bag according to claim 1, wherein: the filter bag (45) is a polyester fiber needle felt filter bag.

3. The central dust collecting cabinet equipped with the polyester fiber needle felt filter bag according to claim 1, wherein: the upper end disc (42) is clamped with the upper side wall of the air purifying cavity (14).

4. The central dust collecting cabinet equipped with the polyester fiber needle felt filter bag as set forth in claim 3, wherein: and a pull ring (421) convenient for pulling out the dust removal assembly (4) is arranged on the upper side surface of the upper end disc (42).

5. The central dust collecting cabinet equipped with the polyester fiber needle felt filter bag according to claim 1, wherein: the upper end and the lower end of the filter bag (45) are respectively adhered with the middle disc (43) and the lower end disc (44) through magic tapes (451).

6. The central dust collecting cabinet equipped with the polyester fiber needle felt filter bag according to claim 1, wherein: the air guide holes (411) are uniformly distributed along the circumferential direction of the connecting pipe (41) and are distributed along the length direction of the connecting pipe (41).