CN202297659U - One-step flue gas dry-process dust removal system for converter - Google Patents
One-step flue gas dry-process dust removal system for converter Download PDFInfo
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- CN202297659U CN202297659U CN2011204243894U CN201120424389U CN202297659U CN 202297659 U CN202297659 U CN 202297659U CN 2011204243894 U CN2011204243894 U CN 2011204243894U CN 201120424389 U CN201120424389 U CN 201120424389U CN 202297659 U CN202297659 U CN 202297659U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a one-step flue gas (coal gas) dry-process dust removal system for a converter, in particular to a one-step flue gas dry-process dust removal system for a vanadium extraction converter, and is characterized in that the one-step flue gas dry-process dust removal system for the vanadium extraction converter comprises an evaporative cooling tower, a first flue gas pipeline, a high-temperature bag-type dust remover, a venturi flowmeter, a second flue gas pipeline, an induced-draft fan, a third flue gas pipeline, a muffler, a fourth flue gas pipeline, a flue gas composition analysis instrument, a cup valve switching station, and a diffusing chimney, wherein high-temperature flue gas generated from the mouth of the converter enters into the evaporative cooling tower through a vaporization cooling duct; the flue gas outlet of the evaporative cooling tower is communicated with the flue gas input port of the high-temperature bag-type dust remover through the first flue gas pipeline; the venturi flowmeter is mounted at the flue gas outlet of the high-temperature bag-type dust remover; the output port of the induced-draft fan is connected with the input port of the muffler through the third flue gas pipeline; and the cup valve on the diffusing side of the cup valve switching station is connected with the diffusing chimney through a diffusing pipe. The system has the advantages that safe operation is realized; and the content of dust in discharged flue gas is smaller than or equal to 15 mg/Nm<3>.
Description
Technical field
The utility model relates to a flue gas of a kind of converter (coal gas) dry-dedusting system.
Background technology
The major advantage of coal gas of converter (flue gas) dry dedusting technology is: the one, and udst separation efficient is high, and the dust mass concentration is reduced to 15mg/Nm
3Below; The 2nd, this system all adopts dry process, does not have secondary pollution and WWT; The 3rd, system's resistance is decreased little, and the coal gas calorific value is high, reclaims dust and can directly utilize, and has reduced energy consumption; The 4th, system simplification, floor space is little, is convenient to administer and maintain.
But owing to what use in the conventional converter gas dry method dust collecting process is electrostatic precipitator, because the singularity of converter gas character has caused it inevitably can produce blast.Though conventional dry process has taked many measures to guarantee the safety of system, venting of dust explosion still can take place, and all can produce no small influence to converter smelting and recovery coal gas amount.
Summary of the invention
The purpose of the utility model is to provide a kind of converter a dry fume dust-removal system, and this system's ability safe operation can make dust content≤15mg/Nm in the discharging flue gas
3
To achieve these goals; The technical scheme of the utility model is: dry fume dust-removal system of converter extracting vanadium is characterized in that it comprises wet cooling tower, first flue, high temperature cloth bag dust collector, venturi meter, second flue, induced draft fan, the 3rd flue, sourdine, the 4th flue, fume component analysis appearance, cup valve switching station, diffuses chimney, glasses valve, the 5th flue, gas cooler, built-in scraper ash-transmission machine, cinder ash-unloading tube, the first pneumatic push-pull valve, the first pneumatic double-deck flap valve, cinder storehouse, the first scraper ash-transmission machine, the second pneumatic push-pull valve, the second pneumatic double-deck flap valve, the first thin grey ash-unloading tube, the second scraper ash-transmission machine, the pneumatic push-pull valve of accident, accident ash-unloading tube, the second thin grey ash-unloading tube, spiral ash machine, chapelet, the 3rd thin grey ash-unloading tube, thin grey storehouse;
Cooling enters in the wet cooling tower (inlet of wet cooling tower is connected with the outlet of gasification cooling flue) high-temperature flue gas that the converter mouth place produces through gasification cooling flue, is provided with the double-flow spray gun system as atomization droplet evaporation cooled flue gas in the wet cooling tower; The exhanst gas outlet of wet cooling tower is connected with the flue gas input aperture of high temperature cloth bag dust collector through first flue; The exhanst gas outlet of high temperature cloth bag dust collector is equipped with venturi meter; Venturi meter links to each other through second flue with the input aperture of induced draft fan; The delivery port of induced draft fan links to each other through the 3rd flue with the input aperture of sourdine; The delivery port of sourdine links to each other through the 4th flue with the input aperture of cup valve switching station, and the fume component analysis appearance is installed on the 4th flue; The recovery side cup valve of cup valve switching station is connected through the 5th flue with the input aperture of gas cooler, and the 5th flue is provided with glasses valve; Cup valve switching station diffuse side cup valve through bleeder with diffuse chimney and link to each other; Diffuse nitrogen induction apparatus and portfire are installed on the chimney; The built-in scraper ash-transmission machine at the cleaning apparatus place that the banana of wet cooling tower is curved links to each other through the cinder ash-unloading tube with the cinder storehouse, and the first pneumatic push-pull valve and the first pneumatic double-deck flap valve are installed on the cinder ash-unloading tube; The outlet below of high temperature cloth bag dust collector is equipped with the first scraper ash-transmission machine; The normal ash output hole of the first scraper ash-transmission machine links to each other through the first thin grey ash-unloading tube with the second scraper ash-transmission machine, and the second pneumatic push-pull valve and the second pneumatic double-deck flap valve are installed on the first thin grey ash-unloading tube; The urgent ash output hole of the first scraper ash-transmission machine links to each other through the accident ash-unloading tube with accident ash storehouse, and the pneumatic push-pull valve of accident is installed on the accident ash-unloading tube; The delivery port of the second scraper ash-transmission machine links to each other through the second thin grey ash-unloading tube with the input aperture of spiral ash machine; The delivery port of spiral ash machine directly links to each other with the input aperture of chapelet; The delivery port of chapelet links to each other through the 3rd thin grey ash-unloading tube with thin grey storehouse.
The utlity model has following beneficial effect:, can guarantee kind of dust≤15mg/Nm because it has adopted the thick dedusting of wet cooling tower, the smart dedusting of high temperature cloth bag dust collector
3, far below the national requirements emission standard; Because system adopts the evaporating cooling, can save a large amount of water coolants simultaneously, not have secondary pollution and WWT; And system simplification, floor space is little, is convenient to administer and maintain.The dry method system of electrostatic precipitator is used in contrast, because use is the high temperature cloth bag dust collector, has definitely avoided system's blast, can guarantee system safety operation.
Description of drawings
Fig. 1 is the structural representation of the utility model system;
Among the figure: 1-converter (converter extracting vanadium), 2-gasification cooling flue, 3-wet cooling tower, 4-first flue, 5-high temperature cloth bag dust collector; The 6-venturi meter, 7-second flue, 8-induced draft fan, 9-the 3rd flue, 10-sourdine; 11-the 4th flue, 12-fume component analysis appearance, 13-cup valve switching station, 14-diffuses chimney, the 15-glasses valve; 16-the 5th flue, 17-gas cooler, the built-in scraper ash-transmission machine of 18-, 19-cinder ash-unloading tube, the 20-first pneumatic push-pull valve; The 21-first pneumatic double-deck flap valve, 22-cinder storehouse, the 23-first scraper ash-transmission machine, the 24-second pneumatic push-pull valve, the 25-second pneumatic double-deck flap valve; The 26-first thin grey ash-unloading tube, the 27-second scraper ash-transmission machine, the pneumatic push-pull valve of 28-accident, 29-accident ash-unloading tube, the 30-second thin grey ash-unloading tube; The 31-spiral ash machine, 32-chapelet, 33-the 3rd thin grey ash-unloading tube, the thin grey storehouse of 34-.(annotating: do not comprise converter 1, gasification cooling flue 2 in dry fume dust-removal system of converter)
Embodiment
In order to understand the utility model better, further illustrate the content of the utility model below in conjunction with embodiment, but the content of the utility model not only is confined to following embodiment.
Embodiment 1:
As shown in Figure 1; Dry fume dust-removal system of converter extracting vanadium, it comprises wet cooling tower 3, first flue 4, high temperature cloth bag dust collector 5, venturi meter 6, second flue 7, induced draft fan 8, the 3rd flue 9, sourdine 10, the 4th flue 11, fume component analysis appearance 12, cup valve switching station 13, diffuses chimney 14, the thin grey ash-unloading tube of the thin grey ash-unloading tube of the pneumatic push-pull valve of the thin grey ash-unloading tube of the pneumatic double-deck flap valve of the pneumatic push-pull valve of the pneumatic double-deck flap valve of the pneumatic push-pull valve of glasses valve 15, the 5th flue 16, gas cooler 17, built-in scraper ash-transmission machine 18, cinder ash-unloading tube 19, first 20, first 21, cinder storehouse 22, the first scraper ash-transmission machine 23, second 24, second 25, first 26, the second scraper ash-transmission machine 27, accident 28, accident ash-unloading tube 29, second 30, spiral ash machine 31, chapelet the 32, the 3rd 33, thin grey storehouse 34;
2 coolings enter in the wet cooling tower 3 (inlet of wet cooling tower 3 is connected with the outlet of gasification cooling flue 2) high-temperature flue gas that converter 1 fire door place produces through gasification cooling flue, are provided with the double-flow spray gun system (two-fluid aerosol spray gun) as atomization droplet evaporation cooled flue gas in the wet cooling tower 3; The exhanst gas outlet of wet cooling tower 3 is connected with the flue gas input aperture of high temperature cloth bag dust collector 5 through first flue 4; The exhanst gas outlet of high temperature cloth bag dust collector 5 is equipped with venturi meter 6; Venturi meter 6 links to each other through second flue 7 with the input aperture of induced draft fan 8; The delivery port of induced draft fan 8 links to each other through the 3rd flue 9 with the input aperture of sourdine 10; The delivery port of sourdine 10 links to each other through the 4th flue 11 with the input aperture of cup valve switching station 13, on the 4th flue 11 fume component analysis appearance 12 is installed; The recovery side cup valve of cup valve switching station is connected through the 5th flue 16 with the input aperture of gas cooler 17, and the 5th flue 16 is provided with glasses valve 15; Cup valve switching station diffuse side cup valve through bleeder with diffuse chimney 14 and link to each other; Diffuse nitrogen induction apparatus (directly with diffuse chimney be connected) and portfire are installed on the chimney 14; The built-in scraper ash-transmission machine 18 at the cleaning apparatus place that the banana of wet cooling tower 3 is curved links to each other through cinder ash-unloading tube 19 with cinder storehouse 22, and the first pneumatic push-pull valve 20 and the first pneumatic double-deck flap valve 21 are installed on the cinder ash-unloading tube 19; The outlet below of high temperature cloth bag dust collector 5 is equipped with the first scraper ash-transmission machine 23; The normal ash output hole of the first scraper ash-transmission machine 23 links to each other through the first thin grey ash-unloading tube 26 with the second scraper ash-transmission machine 27, and the second pneumatic push-pull valve 24 and the second pneumatic double-deck flap valve 25 are installed on the first thin grey ash-unloading tube 26; The urgent ash output hole of the first scraper ash-transmission machine 23 links to each other the pneumatic push-pull valve 28 of the accident that is equipped with on the accident ash-unloading tube 29 with accident ash storehouse through accident ash-unloading tube 29; The delivery port of the second scraper ash-transmission machine 27 links to each other through the second thin grey ash-unloading tube 30 with the input aperture of spiral ash machine 31; The delivery port of spiral ash machine 31 directly links to each other with the input aperture of chapelet 32; The delivery port of chapelet 32 links to each other through the 3rd thin grey ash-unloading tube 33 with thin grey storehouse 34.
Through operation, system safety operation is in good shape.
As shown in Figure 1, dry fume dust collecting process of converter extracting vanadium, it comprises the steps:
The flue gas of 1600 ℃ of high temperature dusts that 1) converter (1) fire door place produces is cooled to 880～920 ℃ (the best is 900 ℃) through gasification cooling flue (2), gets into wet cooling tower (3);
2) in wet cooling tower (3); The atomized water drop of the flue gas of dust-laden and double-flow spray gun system (two-fluid aerosol spray gun) ejection comes in contact formula heat exchange (composition of atomizing droplet is the clean recirculated water of industry); For guaranteeing the flue gas and the abundant heat exchange of atomized water drop of dust-laden, the residence time of the flue gas of dust-laden in wet cooling tower (3) is no less than 4 seconds (being generally 4～6 seconds);
At the curved cleaning apparatus of the banana of wet cooling tower (3) bottom the flue gas of dust-laden is carried out thick dedusting; Be reduced to 248～252 ℃ (the best is 250 ℃) in wet cooling tower (3) temperature out, enter into high temperature cloth bag dust collector (5) through first flue (4) through cooling, thick dust separating flue gas;
3) in high temperature cloth bag dust collector (5), the flue gas of dust-laden is by smart dedusting, the dust content≤15mg/Nm of the outlet of high temperature cloth bag dust collector
3, the filtrate that uses in the high temperature cloth bag dust collector requires: 200 ℃ of long-term heatproofs, and 250 ℃ of instantaneous heatproofs, acid and alkali-resistance, resistance to hydrolysis can be good; After the smart dedusting of high temperature cloth bag dust collector (5), flue gas enters in the induced draft fan (8) through Wen's flowmeter for pipe (6) and second flue (7);
The indication acid and alkali-resistance is meant can anti-similar carbonic acid and weak acid alkaline matter such as yellow soda ash; Resistance to hydrolysis can index for requiring its coefficient of softening greater than 0.85, represent with the coefficient of softening K of material; K=fw (w is a subscript)/f
In the formula: the ultimate compression strength of fw---material under saturated-water phase, MPa;
The ultimate compression strength of f---material under dryness, MPa;
4) induced draft fan (8) is the power resources of dry-dedusting system; Flue gas is pressurized in induced draft fan (8); The induced draft fan air quantity is by flow director and fire door elementary errors pressure-controlled device Comprehensive Control, enters into sourdine (10) through pressurization back flue gas through the 3rd flue (9);
5) the high speed flue gas to induced draft fan (8) exit carries out noise reduction process in sourdine (10), requires sourdine sound-damping qualities >=35dB (A), arrives a cup valve switching station (13) through the 4th flue (11) then;
6) fume component analysis appearance (12) is installed on the 4th flue (11); In fume component analysis appearance (12), smoke components is analyzed; And carry out chain control with program; When meeting recovering condition, flue gas (coal gas) enters into gas cooler (17) and cools off, and collects at last to get into the gas chamber storage; When not meeting recovering condition, then enter into and diffuse chimney (14) and burn, diffuse;
Flue gas (coal gas) reclaims with switching and accomplishes through cup valve switching station (13) operation; Carbon monoxide volume content＞35% in smoke components; And oxygen volume content≤0.5% o'clock (when meeting recovering condition); The side cup valve that diffuses of cup valve switching station cuts out, and the recovery side cup valve of cup valve switching station is opened, and carries out flue gas (coal gas) and reclaims; Otherwise then the side cup valve that diffuses of cup valve switching station is opened, and the recovery side cup valve of cup valve switching station cuts out, and carries out flue gas (coal gas) and diffuses;
When carrying out flue gas (coal gas) recovery, flue gas (coal gas) is transported to gas cooler (17) through the recovery side cup valve of cup valve switching station through the 5th flue (16), and glasses valve (15) is installed on the 5th flue (16); In gas cooler (17), temperature is that 200 ℃ of flue gases (coal gas) are cooled to 70 ℃ through water spray, finally enters into gas chamber and stores;
Carry out flue gas (coal gas) when diffusing; Flue gas (coal gas) enters into and diffuses chimney (14) through the side cup valve that diffuses of cup valve switching station, is diffusing chimney (14) top, and flue gas (coal gas) is through ignition; Flue gas is disposed in the atmosphere, dust contained flue gas concentration≤15mg/Nm during discharging
3If (this set(ting)value is 75000Nm less than set(ting)value for induced draft fan in the oxygen blast process (8) tripping operation or flue gas flow
3/ h) continue more than 10 seconds, open nitrogen induction apparatus (the nitrogen induction apparatus is installed in and diffuses on the chimney, directly with diffuse chimney and be connected) immediately, nitrogen injects through the nitrogen induction apparatus and diffuses chimney, with the remaining flue gas of discharge whole dust-removal system;
7) to remove the temperature of getting off be that the cinder of 248～252 ℃ (the best is 250 ℃) is fallen in the cinder storehouse (22) through cinder ash-unloading tube (19), the first pneumatic push-pull valve (20) and the first pneumatic double-deck flap valve (21) that plays the effect of lock gas to the built-in scraper ash-transmission machine (18) through banana crook, wet cooling tower (3) bottom;
8) on the bulkhead of cinder storehouse (22) the first class device is installed, and periodically opens, the cycle is: opened 10 seconds, and closed 600 seconds cycle, prevent that the dust in the cinder storehouse (22) from hardening; The bottom in cinder storehouse (22) is equipped with first star-shaped ash unloading valve, when reaching high charge level, (confirms according to user's needs), and first star-shaped ash unloading valve starts and begins to unload ash; The dust that reclaims can continue to serve as the raw material of smelting; For guaranteeing to unload ash smoothly, the first simple and easy sack cleaner and first vacuum release valve are housed at the top of cinder storehouse (22);
9) temperature was the thin grey through the first scraper ash-transmission machine (23) below the outlet of high temperature cloth bag dust collector of 248～252 ℃ (the best is 250 ℃) under quilt removed in high temperature cloth bag dust collector (5), and thin ash is sent to the outside of high temperature cloth bag dust collector; Under normal circumstances; Thin ash is through the first thin grey ash-unloading tube (26), the second pneumatic push-pull valve (24) and play the second pneumatic double-deck flap valve (pneumatic double-deck flap valve) (25) of locking the gas effect and drop down onto the second scraper ash-transmission machine (27); Be transported to spiral ash machine (31) through the second thin grey ash-unloading tube (30) then, be transported to thin grey storehouse (34) via chapelet (32) and the 3rd thin grey ash-unloading tube (33) at last; In the state of accident, thin ash drops down onto in the accident ash storehouse through pneumatic push-pull valve of accident (28) and accident ash-unloading tube (29);
10) on the bulkhead of thin grey storehouse (34) second fluidizer is installed, and periodically opens, the cycle is: opened 60 seconds, and closed 600 seconds cycle, prevent that the dust in the thin grey storehouse (34) from hardening; The bottom in thin grey storehouse (34) is equipped with second star-shaped ash unloading valve, when reaching high charge level, (confirms according to user's needs), and second star-shaped ash unloading valve starts and begins to unload ash; The dust that reclaims can continue to serve as the raw material of smelting; For guaranteeing to unload ash smoothly, the second simple and easy sack cleaner and second vacuum release valve are housed at top, thin grey storehouse (34).
Realize control through control in the step 4) to flue gas flow to the induced draft fan air quantity:
For flue gas flow (being the induced draft fan air quantity) unit: when the oxygen rifle of converter extracting vanadium (1) was in closing state, the flue gas air quantity set(ting)value of different steps directly was set at the per-cent of ratings, sees the following form:
When the oxygen rifle is in opened condition; Flue gas air quantity set(ting)value is set at the formula relevant with blowing oxygen quantity; Formula is: flue gas flow set(ting)value=(oxygen flow x 2.1438)+petticoat pipe pressure controller output (oxygen flow when oxygen flow is meant the converter oxygen gun oxygen blast, the petticoat pipe pressure controller is meant the movable gas hood at converter mouth place); In the oxygen blast stage when adding flux, set-point calculation is following: flue gas flow a setting point=(oxygen flow x 2.1438x 1.07)+petticoat pipe pressure controller output, the output stream value scope of petticoat pipe pressure controller is-25,000Nm
3/ h～+ 25,000Nm3/h.
Claims (1)
1. dry fume dust-removal system of converter is characterized in that it comprises wet cooling tower (3), first flue (4), high temperature cloth bag dust collector (5), venturi meter (6), second flue (7), induced draft fan (8), the 3rd flue (9), sourdine (10), the 4th flue (11), fume component analysis appearance (12), cup valve switching station (13), diffuses chimney (14), glasses valve (15), the 5th flue (16), gas cooler (17), built-in scraper ash-transmission machine (18), cinder ash-unloading tube (19), the first pneumatic push-pull valve (20), the first pneumatic double-deck flap valve (21), cinder storehouse (22), the first scraper ash-transmission machine (23), the second pneumatic push-pull valve (24), the second pneumatic double-deck flap valve (25), the first thin grey ash-unloading tube (26), the second scraper ash-transmission machine (27), the pneumatic push-pull valve of accident (28), accident ash-unloading tube (29), the second thin grey ash-unloading tube (30), spiral ash machine (31), chapelet (32), the 3rd thin grey ash-unloading tube (33), thin grey storehouse (34);
The inlet of wet cooling tower (3) is connected with the outlet of gasification cooling flue (2), is provided with the double-flow spray gun system as atomization droplet evaporation cooled flue gas in the wet cooling tower (3); The exhanst gas outlet of wet cooling tower (3) is connected through the flue gas input aperture of first flue (4) with high temperature cloth bag dust collector (5); The exhanst gas outlet of high temperature cloth bag dust collector (5) is equipped with venturi meter (6); Venturi meter (6) links to each other through second flue (7) with the input aperture of induced draft fan (8); The delivery port of induced draft fan (8) links to each other through the 3rd flue (9) with the input aperture of sourdine (10); The delivery port of sourdine (10) links to each other through the 4th flue (11) with the input aperture of cup valve switching station (13), and fume component analysis appearance (12) is installed on the 4th flue (11); The recovery side cup valve of cup valve switching station is connected through the 5th flue (16) with the input aperture of gas cooler (17), and the 5th flue (16) is provided with glasses valve (15); Cup valve switching station diffuse side cup valve through bleeder with diffuse chimney (14) and link to each other; Diffuse on the chimney (14) nitrogen induction apparatus and portfire are installed; The built-in scraper ash-transmission machine (18) at the cleaning apparatus place of wet cooling tower (3) links to each other through cinder ash-unloading tube (19) with cinder storehouse (22), and the first pneumatic push-pull valve (20) and the first pneumatic double-deck flap valve (21) are installed on the cinder ash-unloading tube (19); The outlet below of high temperature cloth bag dust collector (5) is equipped with the first scraper ash-transmission machine (23); The normal ash output hole of the first scraper ash-transmission machine (23) links to each other through the first thin grey ash-unloading tube (26) with the second scraper ash-transmission machine (27), and the second pneumatic push-pull valve (24) and the second pneumatic double-deck flap valve (25) are installed on the first thin grey ash-unloading tube (26); The urgent ash output hole of the first scraper ash-transmission machine (23) links to each other through accident ash-unloading tube (29) with accident ash storehouse, and the pneumatic push-pull valve of accident (28) is installed on the accident ash-unloading tube (29); The delivery port of the second scraper ash-transmission machine (27) links to each other through the second thin grey ash-unloading tube (30) with the input aperture of spiral ash machine (31); The delivery port of spiral ash machine (31) directly links to each other with the input aperture of chapelet (32); The delivery port of chapelet (32) links to each other through the 3rd thin grey ash-unloading tube (33) with thin grey storehouse (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204243894U CN202297659U (en) | 2011-10-31 | 2011-10-31 | One-step flue gas dry-process dust removal system for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204243894U CN202297659U (en) | 2011-10-31 | 2011-10-31 | One-step flue gas dry-process dust removal system for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202297659U true CN202297659U (en) | 2012-07-04 |
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ID=46366595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204243894U Expired - Lifetime CN202297659U (en) | 2011-10-31 | 2011-10-31 | One-step flue gas dry-process dust removal system for converter |
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| Country | Link |
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| CN (1) | CN202297659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109913614A (en) * | 2019-02-01 | 2019-06-21 | 无锡红旗除尘设备有限公司 | A kind of minimum discharge cleaning treatment system of dry method dust release flue gas of converter |
-
2011
- 2011-10-31 CN CN2011204243894U patent/CN202297659U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109913614A (en) * | 2019-02-01 | 2019-06-21 | 无锡红旗除尘设备有限公司 | A kind of minimum discharge cleaning treatment system of dry method dust release flue gas of converter |
| CN109913614B (en) * | 2019-02-01 | 2023-11-07 | 无锡红旗除尘设备有限公司 | Ultralow emission purifying treatment system for converter primary dry dedusting and diffusing flue gas |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |