CN207722510U - A kind of high-effective dust-removing filter bag - Google Patents
A kind of high-effective dust-removing filter bag Download PDFInfo
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- CN207722510U CN207722510U CN201721854819.XU CN201721854819U CN207722510U CN 207722510 U CN207722510 U CN 207722510U CN 201721854819 U CN201721854819 U CN 201721854819U CN 207722510 U CN207722510 U CN 207722510U
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- settling pocket
- dust
- dust settling
- bag
- big
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Abstract
The utility model discloses a kind of high-effective dust-removing filter bags, belong to dust removal field.The device includes bag cage and the dust settling pocket that is set in outside the bag cage,The bag cage includes outer ring and inner ring,The outer ring is that upper opening is big,The small taper type structure of lower openings,The inner ring is that upper opening is small,The big taper type structure of lower openings,There are circumferentially disposed pleated portions on the dust settling pocket,The pleated portions are inclined V-shaped structure,The dust settling pocket includes outer dust settling pocket and interior dust settling pocket,The outer dust settling pocket is that upper opening is big,The small taper type structure of lower openings,The interior dust settling pocket is that upper opening is small,The big taper type structure of lower openings,The outer dust settling pocket is mutually sutured with the interior dust settling pocket in bottom,The utility model effectively increases dedusting work area in the case of same volume,Improve dedusting power,Dedusting area is big,Dedusting power is high,Efficiency of dust collection can be effectively improved,And effectively improve dedusting effect.
Description
Technical field
The utility model is related to dust removal field, more particularly to a kind of high-effective dust-removing filter bag.
Background technology
The dusty gas that Low-Pressure Pulse Bag Filter is mainly used for the industries such as metallurgy, electric power, building materials purifies, and dust settling pocket
It is the core component of deduster, is directly related to the dust removing effects of deduster.The dust settling pocket being commonly used is mainly by bag body
With bag cage form, wherein bag body is usually the cylindrical shape cloth bag (both ends equal diameter) that one end open one end is not open, according to containing
The characteristic and working condition of dust and gas body, this dust settling pocket service life is about in 1.5-2.
Filter bag is the component that dust is filtered in sack cleaner, and filter bag is sleeved in metal bag cage, and bag cage is then vertically hung
In deduster, the dust extracted in gas is fallen by the blocking of filter bag in dust bag, and sky is then discharged to through the gas of filter bag
In gas.In order to improve the dust collection capacity of deduster, existing way is typically to replace powerful wind turbine to increase the wind of dust suction
Power, but the filter bag quantity inside deduster is fixed, and the filter capacity of whole system is mainly determined by the quantity of filter bag,
Therefore fund is not only expended by the way of the power of increase wind turbine but also cannot substantially improves the working efficiency of deduster.
Dedusting bag cage is disclosed application No. is 201520766002.1 utility model patent, including cup dolly and solid
Several montants for being scheduled on cup dolly and forming a circle are evenly equipped with consolidating for several regular polygons on the length direction of the montant
Determine ring, each vertex of the fixed ring is corresponded with the montant welds, and each edge of the fixed ring is recessed inwardly shape
At the first curved portion, the montant between adjacent retainer plate is recessed inwardly to form the second curved portion.It is simple in structure, the montant of bag cage with
And fixed ring is recessed inwardly, the filter bag that length and width is all higher than bag cage by when use is sleeved in bag cage, when the wind turbine exhausting of deduster
Filter bag in bag cage will be tightly attached to the cross fold for being formed in the first, second curved portion and being longitudinally, laterally recessed inwardly, compared with
Previous straight barrel type structure increases the effective area of filtering, under the premise of not changing filter bag quantity, improve dedusting
The dust collection capacity of device.
But its increased limited area of bag cage structure for using, it is not ideal enough for the promotion of dedusting power.Identical
In the case of volume, the increase of dedusting area is smaller.
In addition, with the development of industry, and to the raising that dedusting technology requires, the shortcoming of this cylindrical shape cloth bag
It is more and more obvious, is mainly shown as：1, dusty gas moves from bottom to top in deduster, and enters cloth bag along cloth bag outer surface
Interior suitable for reading out from cloth bag, in this process, dust is filtered in cloth bag outer surface, for cylindrical shape cloth bag, on its surface
On, dust below produces supporting role to above, and dust is made to be difficult to fall off naturally by gravity；2, injection system is clear
During ash injection, blowing gas is from the penetrating suitable for reading of cloth bag, since the sectional area of cloth bag is not reduced, and blowing gas amount
It gradually decreases, in addition the influence of resistance, such blowing gas moves that its flow velocity is lower more down, the final cloth bag lower part of influencing
Ash-removal effect；3 cloth bags that large-scale bag filter uses at present are generally no more than 6m long, this is mainly by bag cage verticality
Influence cannot be too long, be otherwise easy to cause cloth bag lower part gouging abrasion cloth bag.
Application No. is 201020549287.0 utility model patents to disclose a kind of dedusting for bag-type dust collecting equipment
Bag, can overcome the halfway defect of prior art deashing.To achieve the above object, the technical solution adopted in the utility model
A kind of dust settling pocket, including marsupial body, this bag of one end closure of body, one end open, which is characterized in that the bag body be taper or
Person's taper type bag body, and the open end diameter of the bag body is more than sealing end diameter.Use the dedusting of above-mentioned technical proposal
Bag, fully can make the dust being attached on bag body fall off, and in jetting deashing, can keep blast pass by gravity
Intensity is held essentially constant, and reaches that the blast pass dynamic pressure of bag in vivo everywhere is much the same, and then improves the deashing effect of deduster
Fruit reduces dedusting cost.
It solves dust and is difficult to clear up to a certain extent, and not the problem of easy-to-clean ash, but its work area is small, dedusting
It is less efficient.
Utility model content
The utility model provides a kind of high-effective dust-removing filter bag, can solve the problems, such as pointed in background technology.
A kind of high-effective dust-removing filter bag, including bag cage and the dust settling pocket being set in outside the bag cage, the bag cage includes outer
Circle and inner ring, the outer ring are upper opening is big, lower openings are small taper type structure, the inner ring be upper opening it is small, under
The taper type structure that portion is open big, it is inclined V-shaped to have circumferentially disposed pleated portions, the pleated portions on the dust settling pocket
Structure, the dust settling pocket include outer dust settling pocket and interior dust settling pocket, and the outer dust settling pocket is the cone that upper opening is big, lower openings are small
Platform shape structure, the interior dust settling pocket are upper opening is small, lower openings are big taper type structure, the outer dust settling pocket and described interior
Dust settling pocket is mutually sutured in bottom.
More preferably, the pleated portions are arranged diagonally downward.
More preferably, the pleated portions and horizontal angle are 60 °.
More preferably, which further includes the link for being hung on the inner ring, and the link is connected by flexible cord
It is connected to the interior dust settling pocket.
More preferably, the lateral surface of the dust settling pocket has wear-resistant coating.
The utility model provides a kind of high-effective dust-removing filter bag, passes through setting for outer dust settling pocket and interior dust settling pocket Double-layer bag structure
Set, effectively increase dedusting work area in the case of same volume, improve dedusting power, circumferentially disposed pleated portions into
One step improves dedusting work area, and outer dust settling pocket is in inverted taper type structure, is located under the dust of the pleated portions of last layer
Since outer dust settling pocket is gradually reduced downwards without making the dust vertically declined fall into lower layer's pleated portions, the dust of lower part when falling
Support will not be formed on upper layer dust to influence shaking off for dust, interior dust settling pocket is in the taper type just set being gradually expanded downwards
Structure, principle is similar with outer dust settling pocket, and lower layer's pleated portions are dropped down onto when can fall to avoid dust, and dedusting area is big, dedusting work(
Rate is high, can effectively improve efficiency of dust collection, and effectively improve dedusting effect.
Description of the drawings
Fig. 1 is a kind of high-effective dust-removing structure of filter bag schematic diagram provided by the utility model；
Fig. 2 is partial enlarged view at A in Fig. 1.
Reference sign：
The outer dust settling pocket of 10- bag cages, 20-, dust settling pocket in 21-, 22- pleated portions, 23- links.
Specific implementation mode
Below in conjunction with the accompanying drawings, a specific implementation mode of the utility model is described in detail, it is to be understood that this
The protection domain of utility model is not restricted by specific implementation.
As shown in Figure 1 to Figure 2, a kind of high-effective dust-removing filter bag that the utility model embodiment provides, including bag cage 10 and set
The dust settling pocket being located at outside the bag cage 10, the bag cage 10 include outer ring and inner ring, the outer ring big, lower part for upper opening
The taper type structure for being open small, the inner ring are the taper type structure that upper opening is small, lower openings are big, are had on the dust settling pocket
It is inclined V-shaped structure to have circumferentially disposed pleated portions 22, the pleated portions 22, and the dust settling pocket includes 20 He of outer dust settling pocket
Interior dust settling pocket 21, the outer dust settling pocket 20 are the taper type structure that upper opening is big, lower openings are small, and the interior dust settling pocket 21 is
The taper type structure that upper opening is small, lower openings are big, the outer dust settling pocket 20 and the interior dust settling pocket 21 are mutually sutured in bottom.
Specifically, the pleated portions 22 are arranged diagonally downward, and pleated portions 22 can make dust in gravity diagonally downward
Under be more prone to slide, since air-flow is to flow up, the pleated portions 22 tilted down can be effectively reduced wind speed, make dust
It is more prone to be adsorbed on dust settling pocket.
Specifically, the pleated portions 22 and horizontal angle are 60 °, and 60 ° of angle can ensure that dust is made in gravity
It can effectively glide under, excessively tending to level can cause pleated portions 22 to cause supporting role to dust, influence the cunning of dust
It falls, angle, which crosses conference, influences the filter area of pleated portions 22.
Specifically, which further includes the link 23 for being hung on the inner ring, and the link 23 is by soft
Line is connected to the interior dust settling pocket 21, commonly used in the prior art since outer dust settling pocket 20 can be easily set on outer ring
Covered method, but by this present embodiment, inner bag raises up, need inner ring to be supported to ensure that interior dust settling pocket 21 will not
It caves in, therefore link 23 is set, link 23 is connected to by software on interior dust settling pocket 21, and the side of sewing may be used in connection type
Formula, link 23 can be easily hung on inner ring.
Specifically, there is the lateral surface of the dust settling pocket wear-resistant coating, wear-resistant coating can effectively improve dust settling pocket
Service life.
The utility model provides a kind of high-effective dust-removing filter bag, passes through 21 Double-layer bag structure of outer dust settling pocket 20 and interior dust settling pocket
Setting, effectively increase dedusting work area in the case of same volume, improve dedusting power, circumferentially disposed fold
Portion 22 further improves dedusting work area, and outer dust settling pocket 20 is in inverted taper type structure, is located at the pleated portions of last layer
Since outer dust settling pocket 20 is gradually reduced without making the dust vertically declined fall into lower layer's pleated portions downwards when 22 dust falls
22, the dust of lower part will not form upper layer dust support to influence shaking off for dust, and interior dust settling pocket 21 is in gradual downwards
The widened taper type structure just set, principle is similar with outer dust settling pocket 20, and lower layer's fold is dropped down onto when can fall to avoid dust
Portion 22, dedusting area is big, and dedusting power is high, can effectively improve efficiency of dust collection, and effectively improve dedusting effect.
Disclosed above is only several specific embodiments of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of high-effective dust-removing filter bag, which is characterized in that including bag cage and the dust settling pocket being set in outside the bag cage, the bag
Cage includes outer ring and inner ring, and the outer ring is the taper type structure that upper opening is big, lower openings are small, and the inner ring is opened for top
The taper type structure mouthful small, lower openings are big, it is to tilt to have circumferentially disposed pleated portions, the pleated portions on the dust settling pocket
V-shaped structure, the dust settling pocket includes outer dust settling pocket and interior dust settling pocket, and the outer dust settling pocket is that upper opening is big, lower part is opened
The small taper type structure of mouth, the interior dust settling pocket are the taper type structure that upper opening is small, lower openings are big, the outer dust settling pocket
It is mutually sutured in bottom with the interior dust settling pocket.
2. a kind of high-effective dust-removing filter bag as described in claim 1, which is characterized in that the pleated portions are arranged diagonally downward.
3. a kind of high-effective dust-removing filter bag as claimed in claim 2, which is characterized in that the pleated portions are with horizontal angle
60°。
4. a kind of high-effective dust-removing filter bag as described in claim 1, which is characterized in that the dedusting filtering bag further includes for being hung on
Link on the inner ring, the link are connected to the interior dust settling pocket by flexible cord.
5. a kind of high-effective dust-removing filter bag as described in claim 1, which is characterized in that the lateral surface of the dust settling pocket has wear-resisting
Coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854819.XU CN207722510U (en) | 2017-12-27 | 2017-12-27 | A kind of high-effective dust-removing filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854819.XU CN207722510U (en) | 2017-12-27 | 2017-12-27 | A kind of high-effective dust-removing filter bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207722510U true CN207722510U (en) | 2018-08-14 |
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ID=63086699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854819.XU Active CN207722510U (en) | 2017-12-27 | 2017-12-27 | A kind of high-effective dust-removing filter bag |
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| CN (1) | CN207722510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544973A (en) * | 2020-04-07 | 2020-08-18 | 东南大学 | Bag bottom reinforced filter bag dust removal method with variable inner channel and filter device |
-
2017
- 2017-12-27 CN CN201721854819.XU patent/CN207722510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544973A (en) * | 2020-04-07 | 2020-08-18 | 东南大学 | Bag bottom reinforced filter bag dust removal method with variable inner channel and filter device |
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