CN209302431U - Whirlwind bag-type dust integrated apparatus - Google Patents
Whirlwind bag-type dust integrated apparatus Download PDFInfo
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- CN209302431U CN209302431U CN201821632428.8U CN201821632428U CN209302431U CN 209302431 U CN209302431 U CN 209302431U CN 201821632428 U CN201821632428 U CN 201821632428U CN 209302431 U CN209302431 U CN 209302431U
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- cyclone dust
- bag filter
- bag
- dust
- dust collectors
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Abstract
Whirlwind bag-type dust integrated apparatus, is related to dedusting technology field.In the case where not destroying cyclone dust removal dirt device and the respective working principle of bag filter, ensureing efficiency of dust collection and the enforceable situation of engineering, cyclone dust collectors, bag filter and Hui Ku are designed to integrated formed structure, its occupied area is small, occupied area is saved, it is suitble to the transformation of old plant area, adaptability is more extensive；The device does not destroy cyclone dust removal dirt device and the respective working principle of bag filter, ensure the alliance between giants of two dedusters, 90% or more bulky grain flue dust is removed first with cyclone dust collectors, is recycled bag filter to remove remaining flue dust, is improved the efficiency of dust collection of bag filter；Cyclone dust collectors make pre- dedusting and not only remove smoke to carry Mars secretly to the probability of bags in bag-type dust remover scaling loss, also reduce the frequency of bag filter pulse dust cleaning, both increase bag filter service life, advantageously reduce deduster O&M expense.
Description
Technical field
The utility model relates to dedusting technology field, in particular to a kind of whirlwind bag-type dust integrated apparatus.
Background technique
With the raising of atmosphere pollutants emission standards, dust treatment can no longer meet using single fume dust remover
Requirement.Have at present and be dusted using two-stage dedusting method, i.e., two cleaners is linked together using pipeline, then
This two cleaners are connect with grey library respectively, and dust is stored in grey library, although this mode can increase dedusting
Efficiency, but need to establish individually grey library, laying pipeline, cause entire dust pelletizing system to take up a large area, it is dense such as to export flue dust
Degree is up to the cement plant stove of 1000g/m3 or boiler semi-dry desulphurization tower, cost and will greatly increase；And for old plant area,
Even if not considering cost problem, since space place limits, it is also faced with the embarrassment that can not implement transformation at all.In addition, in order to mention
The efficiency of high dedusting, the flue dust after cyclone dust removal are directly entered bag filter, due in high-temperature flue gas entrainment of uncombusted
Carbon granule, carbon granule encounters can cause cloth bag scaling loss bag filter filter bag to leak, on the one hand cause under efficiency of dust collection after cloth bag
Drop is even difficult to up to standard, on the other hand also needs to be replaced frequently the filter bag of bag filter, increases entreprise cost.And cancels and connecting
Two kinds of different dedusters of mechanism are simply assembled together in adapter tube road, then are usually required that due to cyclone dust collectors in design
Air inlet and outlet flue gas flow rate is 20-25m/s, and bag filter usually requires that air speed is less than 3m/s in design,
Sock filtration speed is 0.8-1.0m/min, and efficient efficiency of dust collection, efficiency of dust collection can not then be obtained at all together by being placed directly in
If can not be ensured, can not be applied in practical projects at all.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of whirlwind bag-type dusts integrally to disguise
It sets.
The technical scheme adopted by the utility model is a kind of whirlwind bag-type dust integrated apparatus, including cyclone dust removal
Device and bag filter, are characterized in that, the cyclone dust collectors are an integral molding structure with bag filter, and cloth bag
Deduster is located above cyclone dust collectors, and the lower part of cyclone dust collectors also serves as the grey library being connected to thick dirt discharge outlet, removes in whirlwind
The umbrella shape air-flow cover board for extinguishing the Mars of flue gas particle entrained with is equipped with above exhanst gas outlet in dirt device, in cyclone dust removal
Device and bag filter be connected to it is intracavitary be additionally provided with air flume, air flume be located at the thin of integrated formed structure housing exterior walls
The connection of dirt delivery pipe, and thin dirt delivery pipe is located at the top of cyclone dust collectors between umbrella shape air-flow cover board.
In above scheme, the taper angle of the umbrella shape air-flow cover board is 40~60 degree, and umbrella shape air-flow cover area is
200% of exhanst gas outlet sectional area in cyclone dust collectors, the height of umbrella shape air-flow cover board is away from edge on cyclone dust collectors exhanst gas outlet
0.5~1m.
In above scheme, the entrance method connecting with boiler back end ductwork is installed at the smoke inlet of cyclone dust collectors
It is blue.
In above scheme, the outlet(discharge) flange connecting with flue before air-introduced machine is equipped in the exhanst gas outlet of bag filter.
In above scheme, the air flume is multiple and is close to the setting of cyclone dust collectors top cover upper surface.
The beneficial effects of the utility model are: the whirlwind bag-type dust integrated apparatus, is not destroying cyclone dust removal dirt device
In the respective working principle of bag filter, guarantee efficiency of dust collection and the enforceable situation of engineering, by cyclone dust collectors, cloth bag
Deduster and Hui Ku are designed to integrated formed structure, have the advantages that 1. occupied areas are small.Land occupation face has been saved in integration
Product, is suitble to the transformation of old plant area, adaptability is more extensive；2 is high-efficient.The dust-extraction unit do not destroy cyclone dust removal dirt device with
The respective working principle of bag filter, ensures the alliance between giants of two dedusters.90% or more is removed first with cyclone dust collectors
Bulky grain flue dust, recycle bag filter to remove remaining flue dust, on the one hand reduce the cigarette handled in bag filter
Dust quantity, reduces the load of deduster, on the other hand improves flue gas in the Flow Field Distribution of bag filter, improves cloth bag and remove
The efficiency of dust collection of dirt device；3. good economy performance.Cyclone dust collectors, which make pre- dedusting not only and can remove smoke to carry Mars secretly, removes cloth bag
The probability of cloth bag scaling loss in dirt device, can also reduce the frequency of bag filter pulse dust cleaning, both increase bag filter
Service life advantageously reduces deduster O&M expense, and two kinds of dedusters, which are applied in combination, realizes the separation of thickness flue dust, expands powder
The use scope of coal ash improves the economy of byproduct.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is whirlwind bag-type dust integrated apparatus structural schematic diagram in the utility model embodiment；
Number explanation is as follows in figure: 1 smoke inlet, 2 cyclone dust collectors, 3 exhanst gas outlets, 4 umbrella shape air-flow cover boards, 5 pulses
Deashing bag filter, 6 exhanst gas outlets, 7 air flumes, 8 thick dirt discharge outlets, 9 thin dirt delivery pipes, 10 grey libraries.
Specific embodiment
Keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing 1 and specific
Embodiment is described in further detail the utility model.
The whirlwind bag-type dust integrated apparatus that the present embodiment uses, including cyclone dust collectors 2 and pulse dust cleaning cloth bag remove
Dirt device 5, cyclone dust collectors 2 are an integral molding structure with pulse dust cleaning bag filter 5, and pulse dust cleaning bag filter 5
Above cyclone dust collectors 2.The lower part of cyclone dust collectors 5 is as grey library 10, and grey library 10 is connected to thick dirt discharge outlet 8, convenient
Dust collection utilizes.Umbrella shape air-flow cover board 4, the soot dust granule with Mars are equipped with above the exhanst gas outlet 3 in cyclone dust collectors 2
The Mars of flue dust entrained with is set to reduce or extinguish after collision umbrella shape air-flow cover board 4, the flue dust after collision can be turned back again to whirlwind
In deduster 5, then continue under the drive of high velocity smoke to hit umbrella shape air-flow cover board 4, by repeatedly repeatedly after, cigarette can be made substantially
The Mars of gas entrained with extinguishes, after treated in this way flue gas enters back into bag filter would not scaling loss bag filter, prolong
The service life of bag filter is grown.And quickly due to the movement velocity of soot dust granule, the flue gas particle and folding moved upwards
Flue gas particle after returning mutually collides, and can make the fine dust particles speed moved upwards reduction, can be along pulse after these thin dirt reductions of speed
5 side of deashing bag filter uniformly ascends into pulse dust cleaning bag filter, makes thin dirt and pulse dust cleaning bag filter 5
It comes into full contact with, effectively improves the efficiency of dust collection of thin dirt.It is intracavitary in cyclone dust collectors 2 and being connected to for pulse dust cleaning bag filter 5
It is additionally provided with air flume 7, the present embodiment configures roots blower in the bottom of air flume, and the high-pressure blast that roots blower generates enters
Air flume bottom, the fluidisation cloth discharge through skewed slot top, in discharge process, high-pressure blast will fall in thin on air flume 7
Dirt is held up, and thin dirt is in fluidization, is moved as fluid along squint angular direction, into the thin dirt delivery pipe 9 being connected with skewed slot, and
Periodically discharge.Air flume 7 is close to the inner wall setting of pulse dust cleaning bag filter 5, and settable multiple, and thin dirt delivery pipe
9 are located between 2 top of cyclone dust collectors and umbrella shape air-flow cover board 4.
The taper angle of umbrella shape air-flow cover board 4 in the present embodiment is 60 degree, and 4 area of umbrella shape air-flow cover board is cyclone dust removal
200% of exhanst gas outlet sectional area in device 2, the height of umbrella shape air-flow cover board 4 away from 2 exhanst gas outlet of cyclone dust collectors along 1m.
The present embodiment is equipped with the inlet flange connecting with boiler back end ductwork at the smoke inlet 1 of cyclone dust collectors 2.
The outlet(discharge) flange connecting with flue before air-introduced machine is equipped in the exhanst gas outlet 5 of pulse dust cleaning bag filter 2.
The course of work of whirlwind bag-type dust integrated apparatus in the present embodiment is as follows:
When flue gas is introduced into the cyclone dust collectors of lower part, after removing 90% big partial size flue dust, flue gas is from cyclone dust collectors
Exhanst gas outlet ejects, the flue gas high speed impact umbrella shape air-flow cover board under effect of inertia, and bulky grain flue dust impacts umbrella shape air-flow lid
It turns back after plate into cyclone dust collectors.Fine particle fume is carried secretly along umbrella shape air-flow cover board side even into bag-type dust
Device bottom rises to bag filter filter bag in a manner of piston flow, after bag filter dedusting, from the cigarette of bag filter
Gas outlet discharge.Pulse ash remover level pressure above bag filter removes the flue dust of filter bag surface, and flue dust falls into cloth bag and removes
The ash fallen is periodically transported to thin dirt delivery pipe by the air flume of dirt device lower part, air flume.In cyclone dust collectors and carefully
After dirt discharge bottom of the tube is installed with air-lock device respectively, the big particle flue dust that cyclone dust collectors are collected is stored in whirlwind and removes
In the grey library of dirt device bottom；Thin dirt delivery pipe is then used to store the thin dirt of bag filter collection.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (5)
1. a kind of whirlwind bag-type dust integrated apparatus, including cyclone dust collectors and bag filter, which is characterized in that described
Cyclone dust collectors are an integral molding structure with bag filter, and bag filter is located above cyclone dust collectors, cyclone dust removal
The lower part of device also serves as the grey library being connected to thick dirt discharge outlet, is equipped with above the exhanst gas outlet in cyclone dust collectors for extinguishing cigarette
The umbrella shape air-flow cover board of the Mars of aerated particle entrained with intracavitary is additionally provided with air in being connected to for cyclone dust collectors and bag filter
Skewed slot, air flume are connected to the thin dirt delivery pipe for being located at integrated formed structure housing exterior walls, and thin dirt delivery pipe is located at whirlwind
Between dust remover roof and umbrella shape air-flow cover board.
2. whirlwind bag-type dust integrated apparatus as described in claim 1, which is characterized in that the umbrella shape air-flow cover board
Taper angle is 40-60 degree, and umbrella shape air-flow cover area is 200% of the exhanst gas outlet sectional area in cyclone dust collectors, umbrella shape gas
Flow cover board height away from cyclone dust collectors exhanst gas outlet along 0.5-1m.
3. whirlwind bag-type dust integrated apparatus as claimed in claim 1 or 2, which is characterized in that in the cigarette of cyclone dust collectors
Gas inlet is equipped with the inlet flange connecting with boiler back end ductwork.
4. whirlwind bag-type dust integrated apparatus as claimed in claim 3, which is characterized in that go out in the flue gas of bag filter
Mouth is equipped with the outlet(discharge) flange connecting with flue before air-introduced machine.
5. whirlwind bag-type dust integrated apparatus as claimed in claim 4, which is characterized in that the air flume is multiple
And it is close to the setting of cyclone dust collectors top cover upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821632428.8U CN209302431U (en) | 2018-10-09 | 2018-10-09 | Whirlwind bag-type dust integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821632428.8U CN209302431U (en) | 2018-10-09 | 2018-10-09 | Whirlwind bag-type dust integrated apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209302431U true CN209302431U (en) | 2019-08-27 |
Family
ID=67670677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821632428.8U Active CN209302431U (en) | 2018-10-09 | 2018-10-09 | Whirlwind bag-type dust integrated apparatus |
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| Country | Link |
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| CN (1) | CN209302431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331586A (en) * | 2018-10-09 | 2019-02-15 | 沈阳环境科学研究院 | Whirlwind bag-type dust integrated apparatus |
-
2018
- 2018-10-09 CN CN201821632428.8U patent/CN209302431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331586A (en) * | 2018-10-09 | 2019-02-15 | 沈阳环境科学研究院 | Whirlwind bag-type dust integrated apparatus |
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