CN209348293U - A kind of furnace cloth bag dust-removing equipment - Google Patents
A kind of furnace cloth bag dust-removing equipment Download PDFInfo
- Publication number
- CN209348293U CN209348293U CN201822221880.1U CN201822221880U CN209348293U CN 209348293 U CN209348293 U CN 209348293U CN 201822221880 U CN201822221880 U CN 201822221880U CN 209348293 U CN209348293 U CN 209348293U
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- gas
- dedusting
- coal gas
- air blowing
- filter bag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The utility model discloses a kind of furnace cloth bag dust-removing equipment, including providing after the gas source of dedusting coal gas, dedusting cylinder and holding vessel for coal gas after keeping in dedusting, three is successively interconnected, be provided in dedusting cylinder multiple groups for filtering filter bag；Air blowing component is also set up in dedusting cylinder, for blowing to filter bag, to clean impurity on filter bag, gas source is connected to air blowing component, and the coal gas for supplying non-dedusting to air blowing component realizes that aeration cleaning, dedusting cylinder are additionally provided with for the exhaust pipe for being blown into gas to be discharged.It is supplied by the coal gas that gas source supplies non-dedusting to air blowing component, directly pass through coal gas aeration cleaning filter bag, the effect of script nitrogen is replaced with coal gas, not only save nitrogen cost, unfiltered coal gas is directly introduced nearby as substitutable gas resources, is not also consumed cleaning coal gas, be further reduced the cleaning cost of system, it uses the coal gas for being easier to obtain to replace nitrogen as the cleaning means of filter bag, avoids nitrogen conveying high-cost over long distances.
Description
Technical field
The utility model relates to metallurgical technology fields, more specifically to a kind of furnace cloth bag dust-removing equipment.
Background technique
Blast furnace crude gas contains the different dust of a large amount of thicknesses, in order to obtain clean coal gas, utilizes and mentions for lower step coal gas
For the gas source of relative clean, using the method for two step dedustings, the first step is gravitational dust collection, which can remove consolidating for bulky grain
Body particle, referred to as primary purification coal gas；Second step is generally dry method dust, that is, using large area bag filter come
Dedusting, this step can go out fine grain dust, so that coal gas is referred to as double purification coal after dust content of gas dedusting up to standard
Gas.
Blast furnace dry method dust is the prevailing technology of current blast furnace gas final dusting, and the gas containing flue dust enters cloth bag and removes
After dirt device, filter bag surface intercepts, deposits dust, and after bisque reaches certain thickness, the resistance of filter bag can rise, under gas permeability
Drop makes bisque peel off sedimentation, restores the resistance of filter bag, to guarantee the effect of dust removal by filtration, so bag by soot cleaning system at this time
Formula deduster is the course of work of a kind of periodic harvest dust and deashing.
The method of deashing is using N2 pulsed deashing at present, and this method has the disadvantage in that N2 pulse dust cleaning used
Nitrogen resource, when use, needs to quote the nitrogen of high price over long distances, will cause investment in fixed assets increase and the production and operation at
This increase.
In conclusion how to efficiently solve blast furnace dry method dust equipment quotes nitrogen during cleaning, cause to produce
The technical issues of operation cost height etc. are current those skilled in the art's urgent problems.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of furnace cloth bag dust-removing equipment, the furnace cloth bag dust-removing
The structure design of equipment can efficiently solve blast furnace dry method dust equipment and quote nitrogen during cleaning, cause the production and operation
Technical problem at high cost.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of furnace cloth bag dust-removing equipment, including providing to the gas source of dedusting coal gas, dedusting cylinder and being removed for temporary
The holding vessel of coal gas, three are successively interconnected after dirt, be provided in the dedusting cylinder multiple groups for filtering filter bag；It is described
Air blowing component is also set up in dedusting cylinder, for blowing to the filter bag, to clean impurity on filter bag, the gas source is blown with described
Pneumatic module connection, the coal gas for supplying non-dedusting to air blowing component realize that aeration cleaning, the dedusting cylinder are additionally provided with use
The exhaust pipe of gas is blown into discharge.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, the air blowing component includes that multiple groups are set to outside each filter bag
The gas blow pipe of side is provided with spout structure on the gas blow pipe, for blowing to the filter bag lateral surface.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, the exhaust pipe is connected to the sack of each filter bag, is used for
Gas after air blowing is discharged out of filter bag.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, the exhaust pipe other end is connected with desorption tube, and by described
Desorption tube is connected to the gas source.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, it is provided with supply between the gas source and the air blowing component and uses
In being provided with air blowing open and close valve on the air blowing efferent duct of air blowing coal gas, the air blowing efferent duct.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, the air blowing efferent duct is connected with for pressurizeing to output coal gas
Pressurizing device.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, it is provided with gas inlet pipe between the dedusting cylinder and gas source,
For exporting the coal gas of non-dedusting into it, the first open and close valve is provided on the gas inlet pipe.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, it is provided with efferent duct between the dedusting cylinder and holding vessel, institute
Efferent duct is stated for coal gas after dedusting to be delivered in holding vessel, the second open and close valve is provided on the efferent duct.
Preferably, in above-mentioned furnace cloth bag dust-removing equipment, the cleaning coal gas output end of the holding vessel connects blast furnace gas
Power generator.
Furnace cloth bag dust-removing equipment provided by the utility model, including provide to the gas source of dedusting coal gas, dedusting cylinder with
And the holding vessel for keeping in coal gas after dedusting, three are successively interconnected, are provided with multiple groups in the dedusting cylinder and were used for
The filter bag of filter；Air blowing component is also set up in the dedusting cylinder, for blowing to the filter bag, to clean impurity on filter bag, institute
It states gas source to be connected to the air blowing component, the coal gas for supplying non-dedusting to air blowing component realizes aeration cleaning, the dedusting
Cylinder is additionally provided with for the exhaust pipe for being blown into gas to be discharged.This bag-type dust equipment provided by the utility model, passes through gas
The coal gas that source supplies non-dedusting is supplied to air blowing component, directly by coal gas aeration cleaning filter bag, replaces script nitrogen with coal gas
Effect, implement cleaning to filter bag, which not only saves nitrogen cost, directly introduce unfiltered coal gas conduct nearby
Substitutable gas resources do not consume cleaning coal gas yet, further reduced the cleaning cost of system.
And the vibration bag cleaning mode of pulse air-blowing into bag of script nitrogen is replaced using the cleaning mode blown to filter bag,
It can more preferably protect filter bag to prevent filter bag damage, the coal gas after is discharged by exhaust pipe later.In conclusion the design is used
The coal gas more easily obtained replaces cleaning means of the nitrogen as filter bag, avoids nitrogen conveying high-cost over long distances, effectively
Ground solves blast furnace dry method dust equipment and quotes nitrogen during cleaning, causes the production and operation equal technical problem at high cost.
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
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the system principle structural schematic diagram of furnace cloth bag dust-removing equipment provided by the embodiment of the utility model.
It is marked in attached drawing as follows:
Desorption tube 1, air blowing open and close valve 2, air blowing efferent duct 3, exhaust pipe 4, the second open and close valve 5, holding vessel 6, blast furnace gas
Power generator 7, dedusting cylinder 8, the first open and close valve 9, gas source 10.
Specific embodiment
The utility model embodiment discloses a kind of furnace cloth bag dust-removing equipment, to solve blast furnace dry method dust equipment clear
Nitrogen is quoted during clean, causes the production and operation technical problem at high cost waited.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the system principle structure that Fig. 1 is furnace cloth bag dust-removing equipment provided by the embodiment of the utility model is shown
It is intended to.
Furnace cloth bag dust-removing equipment provided by the utility model, including providing gas source 10, dedusting cylinder 8 to dedusting coal gas
And the holding vessel 6 for keeping in coal gas after dedusting, three is successively interconnected, and is provided with multiple groups in dedusting cylinder 8 and was used for
The filter bag of filter；Air blowing component is also set up in dedusting cylinder 8, for blowing to filter bag, to clean impurity on filter bag, gas source 10 with blow
Pneumatic module connection, the coal gas for supplying non-dedusting to air blowing component realize that aeration cleaning, dedusting cylinder 8 are additionally provided with for arranging
It is blown into the exhaust pipe 4 of gas out.
This bag-type dust equipment of the present embodiment is supplied by the coal gas that gas source 10 supplies non-dedusting to air blowing component, directly
Coal gas aeration cleaning filter bag was connected, the effect of script nitrogen is replaced with coal gas, implements the cleaning to filter bag；It wherein needs to illustrate
, the cleaning coal gas for having passed through the filtering of dedusting cylinder 8 can be selected nearby on the basis of the mentality of designing or do not pass through filtering also
Coal gas, it is clear that the filtering for cleaning coal gas is also required to consuming cost, and the cleannes of the coal gas after air blowing use are likely difficult to protect
Card, is also not susceptible to recycle, therefore and is not only saved using also unfiltered coal gas as substitution air blowing gas source in the present embodiment
Nitrogen cost does not consume cleaning gas cost yet, further reduced the cleaning cost of system.
In addition, blasting a large amount of nitrogen due to being pulsed deashing in existing design at present to bag periodically, enabling filter bag
Expansion, it is impaired to will cause the cloth bag service life, needs to frequently replace cloth bag, influences rhythm of production and cause the increase of cost.
The present embodiment uses the cleaning mode blown to filter bag, and the vibration bag instead of the pulse air-blowing into bag of script nitrogen is clear
Clean mode can more preferably protect filter bag to prevent filter bag damage, and the coal gas after is discharged by exhaust pipe 4 later.The design is used
The coal gas more easily obtained replaces cleaning means of the nitrogen as filter bag, avoids nitrogen conveying high-cost over long distances, effectively
Ground solves blast furnace dry method dust equipment and quotes nitrogen during cleaning, causes the production and operation equal technical problem at high cost.
For optimize in above-described embodiment blow used in coal gas recycling, and guarantee blown work effect,
There is provided following design: air blowing component includes the gas blow pipe that multiple groups are set on the outside of each filter bag, is provided with spout structure on gas blow pipe,
For blowing to filter bag lateral surface.Preferred on this basis, exhaust pipe 4 is connected to the sack of each filter bag, for that will blow
Gas afterwards is discharged out of filter bag, and 4 other end of exhaust pipe is connected with desorption tube 1, and is connected to gas source 10 by desorption tube 1.
Technical solution provided in this embodiment provides setting for a kind of preferably gas supply cleaning filter bag and gas recovery
Meter.The mode that optimization is blown enables system in deashing by the setting of gas blow pipe position, can be on the outside of filter bag reversely to bag
Interior air blowing, such filter bag cleaning when, not be expansion but to contract, it is possible to prevente effectively from damage of the filter bag due to deashing process
Consumption；
Design is further herein, connects exhaust pipe 4 in the sack of each filter bag, passes through to clean in dust removal process
The supply gas source that the coal gas of filter bag collects investment script again enables the dedusting of equipment Clean- more to save gas cost
Gas cost further decreases.Certainly it to guarantee to go on smoothly from the collection of exhaust pipe 4 course of gas needs that dirt barrel will be removed herein
8 inside exhaust pipe 4 of body and in addition to 6 air inlet of holding vessel other opening and pipeline be all closed；It, can and by 1 output coal gas of desorption tube
Overpressure protection is carried out to upstream device, higher to pressure, the faster gas of flow velocity is diffused.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned furnace cloth bag dust-removing
It in equipment, is provided between gas source 10 and air blowing component and supplies air blowing efferent duct 3 for coal gas of blowing, on air blowing efferent duct 3
It is provided with air blowing open and close valve 2.In this design basis, further, air blowing efferent duct 3 is connected with for pressurizeing to output coal gas
Pressurizing device.
In technical solution provided in this embodiment, the output from gas source to 8 output coal gas of dedusting cylinder has been advanced optimized
Structure design, and setting is used for the valve and pressurizing device of open and close control on air blowing efferent duct 3, is enabled and being blown by pressurizing device
Output can provide the gas output of high pressure, ensure that the clean effect of dedusting.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned furnace cloth bag dust-removing
In equipment, it is provided with gas inlet pipe between dedusting cylinder 8 and gas source 10, for exporting the coal gas of non-dedusting, coal gas into it
The first open and close valve 9 is provided on input pipe.Efferent duct is provided between dedusting cylinder 8 and holding vessel 6, efferent duct is used for dedusting
Coal gas is delivered in holding vessel 6 afterwards, and the second open and close valve 5 is provided on efferent duct.The cleaning coal gas output end of holding vessel 6 connects high
Producer gas power generator 7.
Technical solution provided in this embodiment optimizes the pipeline control of system entirety, passes through setting for two groups of opening and closing valves
Meter enables the output of dedusting cylinder 8 and the output of output end gas be controlled better, and can close and correspond in the dedusting stage
Valve, reach the airtight of cylinder.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of furnace cloth bag dust-removing equipment, including providing to the gas source of dedusting coal gas, dedusting cylinder and for keeping in dedusting
The holding vessel of coal gas, three are successively interconnected afterwards, be provided in the dedusting cylinder multiple groups for filtering filter bag；Its feature
It is, also sets up air blowing component in the dedusting cylinder, for blowing to the filter bag, cleans impurity on filter bag, the gas
Source is connected to the air blowing component, and the coal gas for supplying non-dedusting to air blowing component realizes aeration cleaning, the dedusting cylinder
It is additionally provided with for the exhaust pipe for being blown into gas to be discharged.
2. furnace cloth bag dust-removing equipment according to claim 1, which is characterized in that the air blowing component includes multiple groups setting
Gas blow pipe on the outside of each filter bag is provided with spout structure on the gas blow pipe, for blowing to the filter bag lateral surface.
3. furnace cloth bag dust-removing equipment according to claim 2, which is characterized in that the exhaust pipe and each filter bag
Sack connection, for by blow after gas be discharged out of filter bag.
4. furnace cloth bag dust-removing equipment according to claim 3, which is characterized in that the exhaust pipe other end, which is connected with, to be put
Separate tube, and the gas source is connected to by the desorption tube.
5. furnace cloth bag dust-removing equipment according to claim 4, which is characterized in that the gas source and the air blowing component it
Between be provided with and supply air blowing efferent duct for coal gas of blowing, be provided with air blowing open and close valve on the air blowing efferent duct.
6. furnace cloth bag dust-removing equipment according to claim 5, which is characterized in that the air blowing efferent duct, which is connected with, to be used for
To the pressurizing device of output coal gas pressurization.
7. furnace cloth bag dust-removing equipment according to claim 6, which is characterized in that set between the dedusting cylinder and gas source
It is equipped with gas inlet pipe, for exporting the coal gas of non-dedusting into it, the first open and close valve is provided on the gas inlet pipe.
8. furnace cloth bag dust-removing equipment according to claim 7, which is characterized in that between the dedusting cylinder and holding vessel
It is provided with efferent duct, the efferent duct is provided with second on the efferent duct for coal gas after dedusting to be delivered in holding vessel
Open and close valve.
9. furnace cloth bag dust-removing equipment according to claim 8, which is characterized in that the cleaning coal gas of the holding vessel exports
End connection Power Generation by BF Gas device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221880.1U CN209348293U (en) | 2018-12-26 | 2018-12-26 | A kind of furnace cloth bag dust-removing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221880.1U CN209348293U (en) | 2018-12-26 | 2018-12-26 | A kind of furnace cloth bag dust-removing equipment |
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| Publication Number | Publication Date |
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| CN209348293U true CN209348293U (en) | 2019-09-06 |
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| CN201822221880.1U Active CN209348293U (en) | 2018-12-26 | 2018-12-26 | A kind of furnace cloth bag dust-removing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338023A (en) * | 2018-12-26 | 2019-02-15 | 山东钢铁股份有限公司 | A kind of furnace cloth bag dust-removing equipment |
-
2018
- 2018-12-26 CN CN201822221880.1U patent/CN209348293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338023A (en) * | 2018-12-26 | 2019-02-15 | 山东钢铁股份有限公司 | A kind of furnace cloth bag dust-removing equipment |
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