CN221207205U

CN221207205U - Off-line type pulse cloth bag dust collector

Info

Publication number: CN221207205U
Application number: CN202323159452.8U
Authority: CN
Inventors: 杨千喜; 陈国华; 吴量; 包立豪; 宋涛; 钱煜
Original assignee: Zhejiang Dane Environmental Protection Technology Co ltd
Current assignee: Zhejiang Dane Environmental Protection Technology Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-06-25
Anticipated expiration: 2033-11-22

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to an off-line pulse cloth bag dust collector, which also comprises a fixed plate and a supporting block arranged on the fixed plate, wherein the fixed plate is fixedly connected with the inner wall of a clean air chamber, a plurality of vent holes are formed in the fixed plate, a first supporting part extends towards the cloth bag direction, and is used for expanding the bottom of the cloth bag.

Description

Off-line type pulse cloth bag dust collector

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to an off-line pulse cloth bag dust collector.

Background

With the continuous development of industry, more and more dust is generated in the fields of metallurgy, cement, chemical industry, machinery, mine and the like, so that great pollution is caused to the environment, the physical health of human beings is influenced, and the effective treatment of dust pollution is urgent to ensure the physical health of human beings. The bag type dust collector is a dry dust filtering device. It is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, dust-containing gas is filtered by utilizing the filtering effect of fiber fabrics, after the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls down due to the effect of gravity and falls into the dust hopper, and when the gas containing finer dust passes through the filter bag, the dust is blocked on the outer surface of the filter bag, so that the gas is purified, but as the gas purified by the filter bag is more and more, the dust accumulated on the outer surface of the filter bag is more and more, the resistance of the air flow passing through the filter bag is also increased, and the purification efficiency is reduced.

Patent CN207024892U discloses an off-line pulse sack cleaner, including the stand, the box of setting in the stand top, the box below is equipped with the ash bucket that is used for collecting the dust, the air inlet has been seted up to ash bucket one side, the gas outlet has been seted up to top one side of box, be equipped with the clean room in the box, be equipped with sack cleaner in the clean room, sack cleaner includes the support grid and fixes a plurality of sack on the support grid, the box top is equipped with off-line ash removal device, off-line ash removal device includes a plurality of jetting pipes and sets up a plurality of off-line valves on the jetting pipe, be equipped with a plurality of jetting nozzles along the length direction of jetting pipe, the jetting nozzle corresponds the opening setting of sack, this scheme is clear away the dust of sack surface through off-line ash removal device, above-mentioned problem has been solved betterly.

However, this solution still has the following problems: dust in the gas is blocked on the outer surface of the cloth bag through the cloth bag, the flowing direction of the gas is from the outer part of the cloth bag to the inner part of the cloth bag, if the flow rate of the gas is too high, the cloth bag is extruded inwards, so that the cloth bag is shrunken, the area of the cloth bag for filtering is reduced, and finally the dust removal efficiency is influenced.

Disclosure of utility model

The utility model aims to overcome the defects and the shortcomings of the prior art and provide an off-line pulse cloth bag dust collector.

The technical scheme adopted by the utility model is as follows: the utility model provides an off-line pulse sack cleaner, includes the box and sets up the ash bucket that is used for collecting the dust below the box, the box top is equipped with off-line ash removal device, be equipped with dust collector in the box, one side that the box is close to off-line ash removal device is equipped with the gas outlet, one side that the box is close to the ash bucket is equipped with the air inlet, dust collector includes the sack, the inside dust removal room and the clean air room that separate into of box through the sack, the air inlet communicates with the dust removal room, gas outlet and clean air room intercommunication, off-line ash removal device extends to in the clean air room, be equipped with the poppet valve between clean air room and the gas outlet, dust collector still includes the fixed plate and installs the supporting shoe on the fixed plate, fixed plate and clean air room inner wall fixed connection are equipped with a plurality of air vent on the fixed plate, the supporting shoe extends towards the sack direction has first supporting part, first supporting part is used for strutting the sack bottom.

Preferably, the support block further extends to form a second support portion, the second support portion is located between the fixing plate and the first support portion, and the second support portion is used for expanding the side wall of the cloth bag.

Preferably, a sleeve is arranged between the supporting block and the fixing plate, the outer wall of the sleeve is fixedly connected with the fixing plate, the supporting block is slidably connected with the inner wall of the sleeve, and the supporting block can reciprocate along the inner wall of the sleeve.

Preferably, the supporting shoe is close to telescopic one end and is equipped with first installation piece and second installation piece, first installation piece and second installation piece distribute in the fixed plate both sides, first installation piece and supporting shoe tip threaded connection, the mounting groove has all been seted up towards the fixed plate direction to first installation piece and second installation piece, be equipped with buffer in the mounting groove, buffer includes rubber block and first spring, first spring one end offsets with the mounting groove and the other end offsets with the rubber block, the rubber block is through first spring towards the outside extrusion of mounting groove.

Preferably, the dust removing device further comprises a locking part, the cloth bag is connected with the box body through the locking part, the locking part comprises a mounting ring, a supporting ring and a bolt, a threaded hole is formed in the end face, close to the edge of the cloth bag, of the supporting ring, and the bolt sequentially penetrates through the fixing plate, the mounting ring and the edge of the cloth bag to be in threaded connection with the threaded hole of the supporting ring.

Preferably, the end face of the mounting ring, which is close to the edge of the cloth bag, is provided with a first bending part, and the end face of the abutting ring, which is close to the edge of the cloth bag, is also provided with a second bending part which is matched with the first bending part.

Preferably, one end of the bolt penetrating through the fixing plate extends to form a bolt head, the diameter of the bolt head is larger than that of the bolt, a second spring is sleeved outside the bolt, and one end of the second spring abuts against the bolt head while the other end abuts against the fixing plate.

The beneficial effects of the utility model are as follows: the support block is arranged on the inner side of the cloth bag to support the shape of the cloth bag, the first support part on the support block supports the bottom of the cloth bag, the cloth bag is prevented from being shriveled under the influence of air flow, a large enough dust removing area is kept, and good dust removing efficiency of the cloth bag can be kept.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is a schematic diagram of an off-line pulse bag filter according to the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 3;

in the figure, the dust collector comprises a 1-box body, a 2-ash bucket, a 3-off-line ash removing device, a 4-air outlet, a 5-air inlet, a 6-cloth bag, a 7-dust removing chamber, an 8-air purifying chamber, a 9-lifting valve, a 10-fixing plate, an 11-supporting block, a 12-vent hole, a 13-first supporting part, a 14-second supporting part, a 15-sleeve, a 16-first mounting block, a 17-second mounting block, a 18-mounting groove, a 19-rubber block, a 20-first spring, a 21-mounting ring, a 22-abutting ring, a 23-bolt, a 24-threaded hole, a 25-first bending part, a 26-second bending part, a 27-bolt head and a 28-second spring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, an off-line pulse bag-type dust collector according to an embodiment of the present utility model includes a case 1 and an ash bucket 2 disposed below the case 1 for collecting dust, an off-line dust collector 3 is disposed above the case 1, a dust collector is disposed in the case 1, an air outlet 4 is disposed on a side of the case 1 adjacent to the off-line dust collector 3, an air inlet 5 is disposed on a side of the case 1 adjacent to the ash bucket 2, the dust collector includes a bag 6, the interior of the case 1 is divided into a dust collection chamber 7 and an air cleaning chamber 8 by the bag 6, the air inlet 5 is communicated with the dust collection chamber 7, the air outlet 4 is communicated with the air cleaning chamber 8, the off-line dust collector 3 extends into the air cleaning chamber 8, a poppet valve 9 is disposed between the air cleaning chamber 8 and the air outlet 4, the dust collector further includes a fixing plate 10 and a supporting block 11 mounted on the fixing plate 10, the fixing plate 10 is fixedly connected with an inner wall of the air cleaning chamber 8, a plurality of ventilation holes 12 are disposed on the fixing plate 10, the supporting block 11 extends toward a first supporting portion 13 toward a bottom portion of the first supporting portion 13. The support block is arranged on the inner side of the cloth bag to support the shape of the cloth bag, the first support part on the support block supports the bottom of the cloth bag, the cloth bag is prevented from being shriveled under the influence of air flow, a large enough dust removing area is kept, and good dust removing efficiency of the cloth bag can be kept.

The working principle of the off-line pulse bag-type dust remover is that dust-containing gas enters an ash bucket from a gas inlet, large-particle dust directly falls into the bottom of the ash bucket, other small-particle dust-containing gas enters a dust removing chamber, small-particle dust in the gas is filtered through a bag in the dust removing chamber, the small-particle dust can be attached to the outer surface of the bag, purified gas flows from a clean gas chamber to a gas outlet, along with the increasing of the small-particle dust attached to the outer surface of the bag, a lifting valve between a clean gas chamber and the gas outlet is firstly closed, the gas is blocked to be discharged, an off-line dust removing device is started to spray a high-pressure gas source into the clean gas chamber, dust removing treatment is carried out on the bag, the small-particle dust on the outer surface of the bag is blown into the ash bucket, and finally dust is discharged through the ash bucket.

The supporting block 11 further extends with a second supporting portion 14, the second supporting portion 14 is located between the fixing plate 10 and the first supporting portion 13, and the second supporting portion 14 is used for stretching the side wall of the cloth bag 6. Through the structure, the second supporting part on the supporting block is propped against the inner side wall of the cloth bag, the middle part of the cloth bag is prevented from shrinking inwards due to the influence of air flow, the supporting effect on the middle part of the cloth bag is further improved, and the dust removal efficiency of the cloth bag is better ensured.

The support block 11 is provided with a sleeve 15 between the support block 11 and the fixing plate 10, the outer wall of the sleeve 15 is fixedly connected with the fixing plate 10, the support block 11 is slidably connected with the inner wall of the sleeve 15, and the support block 11 can reciprocate along the inner wall of the sleeve 15. Through the structure, namely, the sleeve is arranged on the fixed bottom plate, the supporting block penetrates through the sleeve to form sliding connection, so that the supporting block can reciprocate along the sleeve, the air flow can drive the movable supporting block to move up and down, dust cannot be removed at the positions of the first supporting part and the second supporting part, which are propped against the cloth bag, and when the off-line ash removal device jets air to the air purifying chamber, the supporting block moves downwards along with the air flow to vibrate the cloth bag, dust on the outer surface of the cloth bag can be shaken off, and the ash removal efficiency is further improved.

The one end that supporting shoe 11 is close to sleeve 15 is equipped with first installation piece 16 and second installation piece 17, first installation piece 16 and second installation piece 17 distribute in fixed plate 10 both sides, first installation piece 16 and supporting shoe 11 tip threaded connection, mounting groove 18 has all been seted up towards the fixed plate 10 direction to first installation piece 16 and second installation piece 17, be equipped with buffer in the mounting groove 18, buffer includes rubber piece 19 and first spring 20, first spring 20 one end offsets with mounting groove 18 and the other end offsets with rubber piece 19, rubber piece 19 is through first spring 20 towards the outside extrusion of mounting groove 18. Through above-mentioned structure, buffer that rubber piece and first spring are constituteed promptly, no matter the supporting shoe upwards or down remove, buffer all contacts with the fixed plate earlier and forms the buffering, prevents that the supporting shoe from removing too fast striking fixed plate or breaking away from the sleeve, causes the internal component to damage, improves life.

The dust collector further comprises a locking part, the cloth bag 6 is connected with the box body 1 through the locking part, the locking part comprises a mounting ring 21, a supporting ring 22 and bolts 23, a threaded hole 24 is formed in the end face, close to the edge of the cloth bag 6, of the supporting ring 22, and the bolts 23 sequentially penetrate through the fixing plate 10, the mounting ring 21 and the edge of the cloth bag 6 to be in threaded connection with the threaded hole 24 of the supporting ring 22. Through above-mentioned structure, the sack is installed in the box through the locking part that collar, support holding ring and bolt are constituteed promptly, improves the stability and the fastness that sack and box are connected, and the sack presss from both sides tightly between collar and support holding ring, and the holding ring is close to the terminal surface of one end of sack and opens and have the screw hole that does not run through, and the bolt is installed in the clean gas room, prevents that the granule dust from adhering to and causing bolt eye shutoff on the bolt, the dismouting of being convenient for.

The end face of the end, close to the edge of the cloth bag 6, of the mounting ring 21 is provided with a first bending part 25, and the end face of the end, close to the edge of the cloth bag 6, of the supporting ring 22 is also provided with a second bending part 26 matched with the first bending part 25. Through the structure, the edges of the cloth bags are bent and clamped through the matching of the first bending parts and the second bending parts, and the stability and the firmness of the locking parts on the connection of the cloth bags are further improved.

The bolt 23 extends through one end of the fixing plate 10 and is provided with a bolt head 27, the diameter of the bolt head 27 is larger than that of the bolt 23, a second spring 28 is sleeved outside the bolt 23, one end of the second spring 28 abuts against the bolt head 27, and the other end abuts against the fixing plate 10. Through above-mentioned structure, overcoat second spring promptly on the bolt, the elasticity of second spring struts bolt and fixed plate, reduces because of the clearance that the bolt looseness or does not screw up and produce, further improves the firm effect that locking part pressed from both sides tightly.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an off-line pulse sack cleaner, includes box (1) and sets up ash bucket (2) that are used for collecting the dust below box (1), box (1) top is equipped with off-line ash removal device (3), be equipped with dust collector in box (1), one side that box (1) is close to off-line ash removal device (3) is equipped with gas outlet (4), one side that box (1) is close to ash bucket (2) is equipped with air inlet (5), dust collector includes sack (6), the inside dust removal room (7) and clean air room (8) that separate through sack (6) of box (1), air inlet (5) and dust removal room (7) intercommunication, gas outlet (4) and clean air room (8) intercommunication, off-line ash removal device (3) extend to in clean air room (8), be equipped with poppet valve (9) between clean air room (8) and gas outlet (4), its characterized in that: the dust collector is still including fixed plate (10) and install supporting shoe (11) on fixed plate (10), fixed plate (10) and net air chamber (8) inner wall fixed connection, be equipped with a plurality of air vent (12) on fixed plate (10), supporting shoe (11) are towards sack (6) direction extension have first supporting part (13), first supporting part (13) are used for propping up sack (6) bottom open.

2. An off-line pulse bag-type dust collector as defined in claim 1, wherein: the support block (11) is further extended with a second support part (14), the second support part (14) is located between the fixing plate (10) and the first support part (13), and the second support part (14) is used for expanding the side wall of the cloth bag (6).

3. An off-line pulse bag-type dust collector as defined in claim 1, wherein: the support block (11) and the fixed plate (10) are provided with a sleeve (15), the outer wall of the sleeve (15) is fixedly connected with the fixed plate (10), the support block (11) is slidably connected with the inner wall of the sleeve (15), and the support block (11) can reciprocate along the inner wall of the sleeve (15).

4. An off-line pulse bag-type dust collector as defined in claim 3, wherein: the supporting block (11) is close to one end of sleeve (15) and is equipped with first installation piece (16) and second installation piece (17), first installation piece (16) and second installation piece (17) distribute in fixed plate (10) both sides, first installation piece (16) and supporting block (11) tip threaded connection, mounting groove (18) have all been seted up towards fixed plate (10) direction to first installation piece (16) and second installation piece (17), be equipped with buffer in mounting groove (18), buffer includes rubber piece (19) and first spring (20), first spring (20) one end offsets and the other end offsets with rubber piece (19) with mounting groove (18), rubber piece (19) are through first spring (20) towards mounting groove (18) outside extrusion.

5. An off-line pulse bag-type dust collector as defined in claim 1, wherein: the dust collector is characterized by further comprising a locking part, the cloth bag (6) is connected with the box body (1) through the locking part, the locking part comprises a mounting ring (21), a supporting ring (22) and bolts (23), one end face, close to the edge of the cloth bag (6), of the supporting ring (22) is provided with threaded holes (24), and the bolts (23) sequentially penetrate through the fixing plate (10), the mounting ring (21) and the edge of the cloth bag (6) to be in threaded connection with the threaded holes (24) of the supporting ring (22).

6. An off-line pulse bag-type dust collector as defined in claim 5, wherein: the end face of one end of the mounting ring (21) close to the edge of the cloth bag (6) is provided with a first bending part (25), and the end face of one end of the abutting ring (22) close to the edge of the cloth bag (6) is also provided with a second bending part (26) matched with the first bending part (25).

7. An off-line pulse bag-type dust collector as defined in claim 5, wherein: the bolt (23) runs through one end of fixed plate (10) and extends there is bolt head (27), the diameter of bolt head (27) is greater than the diameter of bolt (23), bolt (23) overcoat has second spring (28), second spring (28) one end offsets with bolt head (27) and the other end offsets with fixed plate (10).