CN208990408U

CN208990408U - Bag filter

Info

Publication number: CN208990408U
Application number: CN201821373285.3U
Authority: CN
Inventors: 马小明; 马增清; ***
Original assignee: LIYANG KEDA ENVIRONMENTAL PROTECTION MACHINERY MANUFACTURING Co Ltd
Current assignee: LIYANG KEDA ENVIRONMENTAL PROTECTION MACHINERY MANUFACTURING Co Ltd
Priority date: 2018-08-23
Filing date: 2018-08-23
Publication date: 2019-06-18
Anticipated expiration: 2028-08-23

Abstract

The utility model relates to a kind of bag filters, it is related to field of dust removal equipment, aim to solve the problem that cloth bag is easy to wear in cleaner, the high problem of turnover rate, a kind of bag filter includes shell, the air inlet being set on shell, enclosure interior is provided with the first dirt pocket being connected with air inlet, first dirt pocket roof is provided with the first air outlet, the second dirt pocket is formed between first dedusting chamber outer wall and inner walls, second dirt pocket bottom end is provided with the second air outlet, secondary filter mechanism is provided at second air outlet, secondary filter mechanism includes being fixed on the first motor of housing exterior walls and across shell and multiple first rotating shafts for being connected with the first dedusting chamber outer wall, first motor is connected with first rotating shaft, filter plate is provided in first rotating shaft, it is located at below secondary filter mechanism on shell and is provided with dust-collecting box.This bag filter reduces the replacement of dust-removal cloth-bag by using secondary filter mechanism.

Description

Bag filter

Technical field

The utility model relates to field of dust removal equipment more particularly to a kind of bag filters.

Background technique

In industrial dedusting field, bag filter is answered in industrial dedusting as a kind of most-often used dedusting method With extensive, the filter element cloth bag in bag filter is prone to wear during use, is caused dust to leak, is started just If replacing immediately when generation abrasion, it will cause wastes, if being changed without and will cause dust removing effects situation not up to standard, therefore, Reduce cloth bag turnover rate while guarantee dust removing effects are up to standard can be to avoid waste.

Notification number is that the Chinese patent of CN206853319U discloses a kind of bag filter, including cabinet, box house Top is equipped with porous plate, is inserted with more cage bones in the hole of porous plate, and filter bag is surrounded by cage bone, more is equipped with above porous plate and leads to The injection tube of gas.In use, air to be treated passes through filter bag, dust is attached to outside filter bag, and clean air is from filter bag Inside is flowed out via the hole of porous plate, and surface can be worn such filter bag in use for some time, and dust removing effects reduce.

Utility model content

The purpose of this utility model is to provide a kind of bag filters, pass through final dusting in dust-collecting bag abrasion Reach qualified purifying rate, reduces the turnover rate of cloth bag, extend the service life of cloth bag in deduster.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of bag filter, including shell, the air inlet being set on shell, the enclosure interior are provided with and enter the wind The first dirt pocket for being connected of mouth, the first dirt pocket roof are provided with the first air outlet, the first dedusting chamber outer wall with it is described The second dirt pocket is formed between inner walls, the second dirt pocket bottom end is provided with the second air outlet, is provided at the second air outlet Secondary filter mechanism, the secondary filter mechanism include being fixed on the first motor of housing exterior walls and passing through shell and with described the The connected multiple first rotating shafts of one dedusting chamber outer wall, first motor are connected with the first rotating shaft, are arranged in the first rotating shaft There is filter plate, is located at below secondary filter mechanism on the shell and is provided with dust-collecting box.

Implement above-mentioned technical proposal, when bag filter operation, filtered air is needed to flow into the first dedusting from air inlet Room is flowed out from the first air outlet after filtering for the first time via the first dirt pocket, and dust stays in the first dirt pocket, filtered Air flows in the second dirt pocket from the first air outlet, after filtering via second of secondary filter mechanism from the second air outlet Outflow.When secondary filter mechanism operation, first motor is by driving first rotating shaft rotation that filter plate is driven to rotate, filter plate initial bit It sets and is flowed out from filter plate with the second air outlet keeping parallelism state, air, not filtered clean dust is not attached to filter for the first time Plate surface, after the time of one end, first motor drives first rotating shaft to be rotated by 90 ° rear emergency stop, and filter plate just rotates with it 90 Degree, filter plate can generate vibration when emergency stop, and the dust for being attached to filter plate surface is shaken and is fallen in dust-collecting box, dust falls it Afterwards, after first motor continues to rotate 90 degree emergency stop restore to air outlet parastate, dust removal by filtration can be continued, can also will Dust vibration is fallen.The setting of secondary filter mechanism can be realized still to be able to reach good mistake in the case where cloth bag abrasion Effect is filtered, the replacement of filter bag is reduced, extends the service life of filter bag.

Further, the fixing groove passed through for the filter plate is offered in first rotating shaft, the filter plate includes connecting by screw Two layers of the filter frame connect and the filter cloth being folded between two layers of filter frame are connected with the top inconsistent with filter frame in the first rotating shaft Silk.

Implement above-mentioned technical proposal, adjusts after filter plate is passed through fixing groove to suitable position, tighten jackscrew, one end of jackscrew It is contacted with filter frame outer wall and fixes filter plate, when needing replacing filter cloth, the jackscrew in first rotating shaft screwed out, filter plate is taken out, removed The screw on filter plate is locked, two panels filter plate is separated, replaces filter cloth, by two panels filter plate screw locking after the completion of replacement, then will Filter plate is installed to first rotating shaft, and jackscrew is screwed, and the replacement of filter cloth can be completed.Such mode is replaced simply, does not have to remove the The replacement of filter plate can be completed in one shaft, has reached simple timesaving effect.

Further, filter frame outer ring is provided with the first bristle, the first bristle and the inner walls and the first dedusting chamber outer wall It is in contact.

Implement above-mentioned technical proposal, filter frame outer ring be arranged the first bristle can reduce filter plate rotation when with inner walls it Between frictional force, extend the service life of filter plate.

Further, the first air outlet is provided with multiple, and the first air outlet of face is provided with multiple cloth bags in the first dirt pocket, Cloth bag upper end is connect with the first air outlet side wall, and cloth bag lower end is located above air inlet, and cloth bag is internally provided with Venturi tube, Wen Pipe upper end is provided with fixture block, and fixture block is connect with the first air outlet, is provided with and is connected in shell right above first air outlet The pulse tube of wall, first dirt pocket bottom is provided with ash bucket and the ash bucket is located at below the air inlet.

Implement above-mentioned technical proposal, needs filtered air to flow into the first dirt pocket, dust is attached after Bag filter In cloth bag outer surface, filtered air is flowed out from the first air outlet, is placed in the inner air and outer air current difference of Venturi tube in cloth bag It can make cloth bag is inside and outside to generate pressure difference, cloth bag is just adsorbed on Venturi tube, when the dust accumulation of cloth bag outer surface is to certain journey When spending, pulse tube is to air blowing inside cloth bag so that cloth bag is separated with Venturi tube, and cloth bag trembles the dust of outer surface in the process It drops down onto ash bucket.

Further, the ash bucket is in back taper.

Implement above-mentioned technical proposal, sets back taper for ash bucket and be conducive to be discharged in the slave ash bucket of dust concentration.

Further, the ash bucket inner wall is provided with clearing apparatus.

Implement above-mentioned technical proposal, can prevent dust accretions on ash bucket inner wall in ash bucket inner wall setting clearing apparatus, Timing cleaning guarantees smoothly flowing out for dust.

Further, the clearing apparatus includes the second motor for being fixed on ash bucket outer wall, is provided with through-hole, through-hole on ash bucket It is inside provided with shaft coupling, the second motor is connected with the second shaft by shaft coupling, and it is logical that the second shaft is placed in one end inside ash bucket Crossing key connection has brush member.

Implement above-mentioned technical proposal, the second motor is by driving shaft coupling rotation that the second shaft is driven to rotate, and second turn Axis drives brush member rotation, and such kind of drive is stable, can quickly and easily adjust velocity of rotation.

Further, the brush member includes the rounded power end and straight line being connected by key with second shaft The free segment of type, the power end diameter are greater than the through-hole diameter and contact close to the one side of ash bucket inner wall with ash bucket inner wall, The free segment is provided with the second bristle being in contact with ash bucket inner wall with ash bucket inner wall face on one side.

Implement above-mentioned technical proposal, the second shaft drives the power end and free segment rotation, power end and ash of brush member Struggle against inner wall contact, can prevent dust from falling into shaft coupling, and the second bristle of free segment is contacted with ash bucket inner wall, is rotating ash bucket The dust of inner wall, which is swept, to be fallen.

Further, it is fluted that the power end was in contact with ash bucket inner wall open up on one side, and (inside is equipped with the groove Sealing ring.

Implement above-mentioned technical proposal, when brush device is installed, sealing ring is put into groove first, then brush device is consolidated It is scheduled in the second shaft, the rotation that dust can be further prevented to fall into influence shaft coupling in shaft coupling by placing sealing ring, The abrasion between power end and ash bucket inner wall is also reduced simultaneously.

In conclusion the utility model has the following beneficial effects:

One, reduce the turnover rate of cloth bag by the way that secondary filter mechanism is arranged, to extend the service life of cloth bag, together When also improve air purification effect.

Two, the utility model secondary filter mechanism installation and replacement are simple and convenient, and it is time saving and energy saving to have haved the function that；

Three, back taper is set for ash bucket by setting and adds clearing apparatus, keep the collection of dust more unobstructed.

Detailed description of the invention

Fig. 1 is the whole structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the entirety sectional view of the utility model；

Fig. 3 is the portion the A enlarged drawing in Fig. 2；

Fig. 4 is the portion the B enlarged drawing in Fig. 2.

Appended drawing reference: 1, shell；2, air inlet；3, the first dirt pocket；31, the first air outlet；32, cloth bag；33, Wen Pipe；331, fixture block；34, pulse tube；35, ash bucket；36, clearing apparatus；361, the second motor；362, through-hole；363, shaft coupling； 364, the second shaft；365, brush member；3651, power end；3652, free segment；3653, the second bristle；3654, groove； 3655, sealing ring；4, the second dirt pocket；41, the second air outlet；42, secondary filter mechanism；43, dust-collecting box；421, the first electricity Machine；422, first rotating shaft；4221, fixing groove；423, filter plate；4231, filter frame；4232, filter cloth；4233, jackscrew；4244, first Bristle.

Specific embodiment

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

As depicted in figs. 1 and 2, a kind of bag filter, including shell 1, the air inlet 2 being set on shell 1, shell 1 It is internally provided with the first dirt pocket 3 being connected with air inlet 2,3 roof of the first dirt pocket is provided with the first air outlet 31, and first Dirt pocket 3 includes the cloth bag 32 connecting with the first air outlet 31, and 32 lower end of cloth bag, which is located inside the top cloth bag 32 of air inlet 2, to be set It is equipped with Venturi tube 33,33 upper end of Venturi tube is provided with fixture block 331, and fixture block 331 is connect with the first air outlet 31, the first air outlet 31 Surface is provided with the pulse tube 34 for being connected to 1 inner wall of shell, and 3 bottom of the first dirt pocket is provided with ash bucket 35 and the ash bucket 35 Positioned at 2 lower section of air inlet, ash bucket 35 is provided with clearing apparatus 36 in back taper and 35 inner wall of ash bucket.

As shown in figure 3, clearing apparatus 36 includes the second motor 361 for being fixed on 35 outer wall of ash bucket, it is provided on ash bucket 35 Through-hole 362 is provided with shaft coupling 363 in through-hole 362, and the second motor 361 is connected with the second shaft 364 by shaft coupling 363, the One end that two shafts 364 are placed in inside ash bucket 35 has been connected by key brush member 365, and brush member 365 includes and second turn The rounded power end 3651 and linear free segment 3652 that axis 364 is connected by key, 3651 diameter of power end are greater than logical The one side of 362 diameter of hole and close 35 inner wall of ash bucket is contacted with 35 inner wall of ash bucket, and power end 3651 is in contact with 35 inner wall of ash bucket Open up fluted 3654 on one side, sealing ring 3655 is installed, free segment 3652 and 35 inner wall face of ash bucket inside groove 3654 Be provided with the second bristle 3653 being in contact with 35 inner wall of ash bucket on one side.

As shown in Figure 2 and Figure 4, the second dirt pocket 4, the second dedusting are formed between 1 inner wall of 3 outer wall of the first dirt pocket and shell 4 lower end of room is provided with the second air outlet 41, and secondary filter mechanism 42 is provided at the second air outlet 41, and secondary filter mechanism 42 wraps Include the first motor 421 for being fixed on 1 outer wall of shell and across shell 1 and be connected with 3 outer wall of the first dirt pocket two first turn Axis 422, first motor 421 are connected with first rotating shaft 422, and filter plate 423 is provided in first rotating shaft 422, and filter plate 423 includes passing through The two panels filter frame 4231 of screw connection and the filter cloth 4232 being folded between two panels filter frame 4231,423 outer ring of filter plate are provided with One bristle 4244, the first bristle 4244 are in contact with 1 inner wall of shell and 3 outer wall of the first dirt pocket, offer in first rotating shaft 422 For the fixing groove 4221 that filter plate 423 passes through, and the jackscrew 4233 inconsistent with filter frame 4231, shell are connected in first rotating shaft 422 It is located at below secondary filter mechanism 42 on body 1 and is provided with dust-collecting box 43.

When 32 deduster operation of cloth bag, filtered air is needed to flow into the first dirt pocket 3 from air inlet 2, through cloth bag 32 Dust is attached to 32 outer surface of cloth bag after filtering, and filtered air is flowed out from the first air outlet 31, the text being placed in cloth bag 32 Family name's pipe 33 plays the supporting role to cloth bag 32, while the air stream speed difference inside and outside Venturi tube 33 can make cloth bag 32 is inside and outside to produce Raw pressure difference, cloth bag 32 are just adsorbed on Venturi tube 33, when the dust accumulation of 32 outer surface of cloth bag to a certain extent when, pulse tube 34 to air blowing inside cloth bag 32 so that cloth bag 32 is separated with Venturi tube 33, and cloth bag 32 shakes off the dust of outer surface in the process Into ash bucket 35.

Dust enters in ash bucket 35 to be fallen along 35 inner wall of ash bucket, after a period of time, understands the attachment of some dust It is difficult to freely fall in 35 inner wall of ash bucket, so that falling for subsequent dust is influenced, at this point, the second motor 361 drives the second shaft 364 rotations, the second shaft 364 drive brush member 365 to rotate, and the second bristle 3653 of brush member 365 is by 35 inner wall of ash bucket Dust sweep and fall.

The second dirt pocket 4 is flowed to from the first air outlet 31 through the air after the completion of the filtering of the first dirt pocket 3, is being passed through Secondary filter mechanism 42 is flowed out after filtering by the second air outlet 41 in second dirt pocket 4, when 42 operation of secondary filter mechanism, first Motor 421 is by driving the rotation of first rotating shaft 422 that filter plate 423 is driven to rotate, 423 initial position of filter plate and the second air outlet 41 Keeping parallelism state, the first bristle 4244 close filter plate 423 and 41 interface of the second air outlet, and air is flowed from filter plate 423 Out, not filtered clean dust is not attached to 423 surface of filter plate for the first time, and after the time of one end, first motor 421 is driven First rotating shaft 422 is rotated by 90 ° rear emergency stop, and filter plate 423 just rotates with it 90 degree, and when emergency stop, filter plate 423 can be due to inertia Effect generates the trend continued to rotate, but first motor 421 has stopped operating at this time, and filter plate 423 will generate vibration, will be attached 423 surface of filter plate dust vibration fall in dust-collecting box, after dust is fallen, first motor 421 continues to rotate 90 degree Afterwards emergency stop restore to air outlet parastate, dust removal by filtration can be continued, simultaneously because the effect of emergency stop can also be by dust Vibration is fallen, and the dust fallen is fallen into dust-collecting box 43.

Filter cloth 4232 on filter plate 423 is in use for some time, it may appear that the case where abrasion, then needs replacing filter at this time Cloth 4232 screws out the jackscrew 4233 in first rotating shaft 422 when replacing filter cloth 4232, takes out filter plate 423, removes lock in filter plate Screw on 423 separates two panels filter plate 423, replaces filter cloth 4232, by the screw locking of two panels filter plate 423 after the completion of replacement, Filter plate 423 is installed to first rotating shaft 422 again, jackscrew 4233 is screwed, the replacement of filter cloth 4232 can be completed.

Claims

1. a kind of bag filter, including shell (1), the air inlet (2) being set on shell (1), which is characterized in that the shell Body (1) is internally provided with the first dirt pocket (3) being connected with air inlet (2), and the first dirt pocket (3) roof is provided with first and goes out Air port (31) forms the second dirt pocket (4), the second dedusting between the first dirt pocket (3) outer wall and the shell (1) inner wall Room (4) bottom end is provided with the second air outlet (41), is provided at the second air outlet (41) secondary filter mechanism (42), described secondary Filter mechanism (42) include be fixed on shell (1) outer wall first motor (421) and pass through shell (1) and with first dedusting The connected multiple first rotating shafts (422) of room (3) outer wall, first motor (421) are connected with the first rotating shaft (422), and described the It is provided in one shaft (422) filter plate (423), is located at below secondary filter mechanism (42) on the shell (1) and is provided with dust Box (43).

2. bag filter according to claim 1, which is characterized in that offer on the first rotating shaft (422) for institute State the fixing groove (4221) that filter plate (423) passes through, the filter plate (423) include by two layers of filter frame (4231) of screw connection and The filter cloth (4232) being folded between two layers of filter frame (4231) is connected with and filter frame (4231) phase on the first rotating shaft (422) The jackscrew (4233) of conflict.

3. bag filter according to claim 2, which is characterized in that filter frame (4231) outer ring is provided with the first brush Hair (4244), the first bristle (4244) are in contact with the shell (1) inner wall and the first dirt pocket (3) outer wall.

4. bag filter according to claim 1, it is characterised in that first air outlet (31) be provided with it is multiple, Interior the first air outlet of face (31) of one dirt pocket (3) is provided with multiple cloth bags (32), cloth bag (32) upper end and the first air outlet (31) side wall connects, and cloth bag (32) lower end is located above air inlet (2), and cloth bag (32) is internally provided with Venturi tube (33), Wen Pipe (33) upper end is provided with fixture block (331), and fixture block (331) is connect with the first air outlet (31), and first air outlet (31) is just Top is provided with the pulse tube (34) for being connected to shell (1) inner wall, the first dirt pocket (3) bottom be provided with ash bucket (35) and The ash bucket (35) is located at below the air inlet (2).

5. bag filter according to claim 4, which is characterized in that the ash bucket (35) is in back taper.

6. bag filter according to claim 5, which is characterized in that ash bucket (35) inner wall is provided with clearing apparatus (36).

7. bag filter according to claim 6, which is characterized in that the clearing apparatus (36) includes being fixed on ash bucket (35) the second motor (361) of outer wall is provided with through-hole (362) on ash bucket (35), is provided with shaft coupling in through-hole (362) (363), the second motor (361) is connected with the second shaft (364) by shaft coupling (363), and the second shaft (364) is placed in ash bucket (35) internal one end has been connected by key brush member (365).

8. bag filter according to claim 7, which is characterized in that the brush member (365) includes and described The rounded power end (3651) and linear free segment (3652) that two shafts (364) are connected by key, the power end (3651) diameter is greater than the through-hole (362) diameter and contacts close to the one side of ash bucket (35) inner wall with ash bucket (35) inner wall, institute That states free segment (3652) and ash bucket (35) inner wall face is provided with the second bristle being in contact with ash bucket (35) inner wall on one side (3653).

9. bag filter according to claim 8, which is characterized in that the power end (3651) and ash bucket (35) inner wall What is be in contact opens up fluted (3654) on one side, is equipped with sealing ring (3655) inside the groove (3654).