CN202297655U - Dust collecting cover for converter opening of converter - Google Patents
Dust collecting cover for converter opening of converter Download PDFInfo
- Publication number
- CN202297655U CN202297655U CN201120327673XU CN201120327673U CN202297655U CN 202297655 U CN202297655 U CN 202297655U CN 201120327673X U CN201120327673X U CN 201120327673XU CN 201120327673 U CN201120327673 U CN 201120327673U CN 202297655 U CN202297655 U CN 202297655U
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- CN
- China
- Prior art keywords
- converter
- cover
- dust gathering
- gathering arrester
- wear ring
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- Expired - Lifetime
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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
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a dust collecting cover for a converter opening of a converter and belongs to the technical field of dust removal of a steel making converter. The dust collecting cover comprises a guardrail, a maintenance door, a screw bolt connecting group, a dust removal opening, a first front cover, a second front cover, a first back cover, a second back cover, a groove sealing ring, a lug boss sealing ring, a connecting rod, an asbestos cloth bag, a pin shaft connecting group, light pouring paint and an anchoring hook, wherein the lug boss sealing ring is arranged between a converter transverse moving flue and a water cooling ring, the first front cover, the second front cover, the first back cover and the second back cover are assembled into an integral cover through the screw connecting group, a flange arranged at an upper opening of the cover body is connected with the groove sealing ring and is buckled and pressed onto the lug boss sealing ring, the two sealing rings form the labyrinth sealing, and the lower part of the cover body is supported on a fire block plate arranged at the converter top of the converter. The dust collecting cover has the advantages that the structure of equipment is simple, compact and practical, the dust collecting effect is good, the smoke gas overflowing of the converter top region during the converter smelting can be thoroughly solved, the work environment of the converter smelting is effectively improved, the equipment and process layout is reasonable, the equipment investment is low, economy, environment friendliness, safety and reliability are realized, and wide industrial application prospects are realized.
Description
Technical field
The utility model belongs to the dedusting steel-smelting converter technical field, particularly relates to a kind of converter mouth dust gathering arrester.
Background technology
To the treatment effect that produces flue gas in the convertor steelmaking process is the one of main beautiful of check converter steelmaking workshop Environmental Protection Level, flue gas that can a large amount of high temperature dusts of generation in the converter steelmaking process, and its staple is a carbon monoxide.The coal gas of converter calorific value can reach 7524KJ～9196KJ, is a kind of first-class fuel, can be used as the fuel of equipment such as heater for rolling steel, lime sleeve kiln, ladle baking.Also contain the dust of a large amount of high Fe contents simultaneously in the flue gas, collect the superior raw material that can be used as agglomerate.In addition, high-temperature flue gas is through the recyclable again a large amount of steam of heat exchange, and the purposes of steam is very wide, both can be used for producing, and can be used for life again.If these high-temperature flue gas do not reclaim, distribute in workshop and atmosphere and can produce severe contamination, jeopardize health of human body and agriculture prodn, can disturb electrical network, TV and communication etc. simultaneously.Therefore construction meets " compact efficient type, cycle saving type, clean and environment-friendly and numeric type " novel steelshop becomes the important topic that we design concern.The many steel mills of China adopt the final dusting technology in the converter mill for many years, and certain effect has been played in the recovery of flue gas.But because the flue gas fluctuating quantity is big in the converter steelmaking process, unexpected anxious the increasing and vacuum fan was taken out in moment of moment exhaust gas volumn causes flue gas excessive, and these flue gases distribute in steelshop, make the workshop hygiene condition further worsen, and have caused environmental pollution.
Summary of the invention
The purpose of the utility model is to provide a kind of converter mouth dust gathering arrester, in the time of can thoroughly solving converter smelting the flue gas in furnace roof zone excessive, effectively improve the converter smelting Working environment; This device structure is simple, compactness is practical, dust collecting effect is good.
The utility model equipment is the particle collector of a similar kennel formula, and the excessive flue gas of fire door is collected in the dust gathering arrester of this similar kennel in the time of can be with converter smelting, by stokehold dedusting mouth 4 flue gas is sent into the secondary BOF dedusting system cover.This apparatus and process is rationally distributed, facility investment is few, economic environmental protection, safe and reliable, is the equipment of a kind of converter steelmaking workshop for the excessive urgent need of fire door flue gas in the solution converter current smelting process, has the value that industry is extensively utilized.
The utility model comprises that guardrail, access door, bolt connection group, dedusting mouth, front shroud I, front shroud II, back cover I, back cover II, groove wear ring, boss wear ring, union lever, asbestos cloth bag, bearing pin connection group, lightweight water coating, anchoring hook; When the installing converter flue; Need earlier boss wear ring 10 to be installed between traversing flue of converter and the water-cooling ring; The scene is assembled into a whole cover with bolt connection group 3 with front shroud I 5, front shroud II 6, back cover I 8, back cover II 7; Cover body flange suitable for reading is connected with groove wear ring 9, withholds on boss wear ring 10; The cover body lower support is on converter furnace roof fire damper.
At dust gathering arrester groove wear ring 9, the boss wear ring 10 of being provided with suitable for reading; Two wear rings constitute labyrinth gland, can effectively prevent the excessive of converter gas.
Eight holes have been opened on dust gathering arrester top; Wherein four perforates are used for the installation of the movable overskirt water-cooled tube of converter flue, and other four perforates are used for the up-down of movable overskirt elevator chain bar, in order to improve dust removing effects; The utility model promotes chain with movable overskirt and overskirt to be separated; Adopt union lever 11 lower ends that movable overskirt lift arm is fixing with bearing pin connection group 13, union lever 11 upper ends are connected with overskirt lifting chain, and original flexibly connecting changed into one section and be rigidly connected; And with asbestos cloth bag 12 with dust gathering arrester tapping sealing, prevent that flue gas is excessive.
The top of dust gathering arrester inner chamber and side are uniformly distributed with anchoring hook 15, water coating 14 in inner chamber spraying lightweight then, to prevent the temperature distortion of cover body steel plate, can also prevent that the flue gas thermal radiation from damaging equipment on the converter mouth platform and pedestrian simultaneously.
This dust gathering arrester is suitable for reading to be connected with boss wear ring 10 through groove wear ring 9, is installed between traversing flue of converter and the water-cooling ring, and the cover body lower support is on converter furnace roof fire damper.The utility model is equivalent to above converter mouth, be provided with an airtight big cover, and flue gas that can be effectively that fire door in the converter steelmaking process is excessive all catches in the dust gathering arrester, by stokehold dedusting mouth 4 flue gas is sent into the secondary BOF dedusting system cover.
The purpose of the utility model and solve its technical problem and can also adopt following technical measures to come further to realize.
Described boss wear ring when the installing converter flue, needs earlier boss wear ring among the present invention to be installed between traversing flue of converter and the water-cooling ring.
Described cover body is by a plurality of bolt connection groups front shroud I, front shroud II, back cover I, back cover II to be assembled into the dust gathering arrester of a similar kennel formula, and this equipment is accomplished the installation of dust gathering arrester after can treating that converter flue equipment all installs at the construction field (site).When converter is safeguarded and built by laying or the movable overskirt of converter flue need change the time; Should be about on the dust gathering arrester all joint bolt groups and movable overskirt earlier promotes union lever and removes; With cover body disintegrate into four shift out the converter working position after, the converter flue travelling platform just can shift out working position.
Described groove wear ring is after dust gathering arrester installs, and is connected with dust gathering arrester flange suitable for reading, withholds on boss wear ring top, two wear rings, one labyrinth gland of interruption-forming on dust gathering arrester, can effectively prevent the excessive of converter gas.
The utility model equipment is equivalent to above converter mouth, be provided with an airtight big cover, and the excessive flue gas of fire door all catches in the dust gathering arrester in the time of can be effectively with converter smelting, by the dedusting mouth flue gas is sent into the secondary BOF dedusting system cover.In order to prevent smoke spillage in the dust gathering arrester; The utility model equipment is provided with groove wear ring, boss wear ring, two seals latch closure and forces together in dust gathering arrester and flue equipment junction; One labyrinth gland of interruption-forming on dust gathering arrester can effectively prevent the excessive of converter gas.The utility model device structure simple, compact practical, dust collecting effect is good, in the time of can thoroughly solving converter smelting the flue gas in furnace roof zone excessive, effectively improve the converter smelting Working environment; This apparatus and process is rationally distributed, facility investment is few, economic environmental protection, safe and reliable; Thereby practical more, be that a kind of converter steelmaking workshop is for solving the equipment of the excessive urgent need of fire door flue gas in the converter current smelting process.
By technique scheme, a kind of converter mouth dust gathering arrester of the utility model has advantage at least:
1. a kind of converter mouth dust gathering arrester of the utility model particle collector that is a similar kennel formula; Can effectively the excessive flue gas of fire door in the converter steelmaking process be collected in the dust gathering arrester of this similar kennel, flue gas be sent into the secondary BOF dedusting system cover by stokehold dedusting mouth.
A kind of converter mouth dust gathering arrester of the utility model device structure simple, compact practical, dust collecting effect is good, in the time of can thoroughly solving converter smelting the flue gas in furnace roof zone excessive, improve the converter smelting Working environment.
3. a kind of converter mouth dust gathering arrester of the utility model process layout is reasonable, facility investment is few, economic environmental protection, safe and reliable, is that a kind of converter steelmaking workshop is for solving the equipment of the excessive urgent need of fire door flue gas in the converter current smelting process.
Description of drawings
Fig. 1 is the utility model overall structure synoptic diagram.Wherein, guardrail 1, access door 2, bolt connection group 3, dedusting mouth 4.
Fig. 2 is the vertical view of the utility model.Front shroud I 5, front shroud II 6, back cover I 8, back cover II 7.
Fig. 3 is the partial enlarged drawing C-C of the utility model.Wherein, groove wear ring 9, boss wear ring 10, union lever 11, asbestos cloth bag 12, bearing pin connection group 13.
Fig. 4 is the utility model partial enlarged drawing I.Wherein, lightweight is watered coating 14, anchoring hook 15.
Embodiment
For further setting forth the utility model is to reach to subscribe technique means and the effect that goal of the invention is taked; Below in conjunction with a kind of converter mouth dust gathering arrester its embodiment, structure, characteristic and the effect thereof of accompanying drawing, be described further proposing according to the utility model:
See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.
A kind of converter mouth dust gathering arrester of the utility model, it mainly includes guardrail 1, access door 2, bolt connection group 3, dedusting mouth 4, front shroud I 5, front shroud II 6, back cover I 8, back cover II 7, groove wear ring 9, boss wear ring 10, union lever 11, asbestos cloth bag 12, bearing pin connection group 13, lightweight and waters parts such as coating 14, anchoring hook 15.
The particle collector that a kind of converter mouth dust gathering arrester of the utility model is a similar kennel formula; Can effectively the excessive flue gas of fire door in the converter steelmaking process be collected in the dust gathering arrester of this similar kennel, flue gas be sent into the secondary BOF dedusting system cover by stokehold dedusting mouth 4.
A kind of converter mouth dust gathering arrester of the utility model; When the installing converter flue; Need earlier boss wear ring 10 to be installed between traversing flue of converter and the water-cooling ring; The scene is assembled into a whole cover with bolt connection group 3 with front shroud I 5, front shroud II 6, back cover I 8, back cover II 7, and this equipment flange suitable for reading is connected with groove wear ring 9, withholds on boss wear ring 10; The cover body lower support is on converter furnace roof fire damper.
A kind of converter mouth dust gathering arrester of the utility model; In order to prevent smoke spillage in the dust gathering arrester; Be provided with groove wear ring 9, boss wear ring 10, two wear ring interruption-forming labyrinth glands on dust gathering arrester with flue equipment junction in that dust gathering arrester is suitable for reading, can effectively prevent the excessive of converter gas.
Eight special hole have been opened on a kind of converter mouth dust gathering arrester of the utility model top; Wherein four perforates are used for the installation of the movable overskirt water-cooled tube of converter flue; Other four perforates are used for the up-down of movable overskirt elevator chain bar, and in order to improve dust collecting effect, the utility model promotes chain with movable overskirt and overskirt to be separated; Adopt union lever 11 lower ends that movable overskirt lift arm is fixing with bearing pin connection group 13; Union lever 11 upper ends and overskirt promote chain and are connected, and original flexibly connecting are changed into one section and are rigidly connected, and with asbestos cloth bag 12 the dust gathering arrester tapping is sealed.
Guardrail 1 in the utility model has been that setting is installed, overhauls, dismantled to the converter mouth dust gathering arrester with access door 2; During the dust gathering arrester installation and removal, the site operation personnel can accomplish union lever 11 lower ends and the installation and removal of movable overskirt lift arm, the installation and removal of completion activity overskirt water-cooled tube pepeline fittings from access door 2 entering dust gathering arresters inside.In order to guarantee operator's safety, perforate side in dust gathering arrester top is equipped with safety barrier 1.
The top and the side of the utility model dust gathering arrester inner chamber are uniformly distributed with anchoring hook 15, water coating 14 in inner chamber spraying lightweight then, to prevent the temperature distortion of cover body steel plate, can also prevent that the flue gas thermal radiation from damaging equipment on the converter mouth platform and pedestrian simultaneously.
Claims (4)
1. converter mouth dust gathering arrester comprises that guardrail, access door, bolt connection group, dedusting mouth, front shroud I, front shroud II, back cover I, back cover II, groove wear ring, boss wear ring, union lever, asbestos cloth bag, bearing pin connection group, lightweight water coating, anchoring hook; It is characterized in that; Boss wear ring (10) is installed between traversing flue of converter and the water-cooling ring; With bolt connection group (3) front shroud I (5), front shroud II (6), back cover I (8), back cover II (7) are assembled into a whole cover; Cover body flange suitable for reading is connected with groove wear ring (9), withholds on boss wear ring (10); The cover body lower support is on converter furnace roof fire damper.
2. converter mouth dust gathering arrester according to claim 1 is characterized in that, at dust gathering arrester groove wear ring (9), the boss wear ring (10) of being provided with suitable for reading, two wear rings constitute labyrinth gland.
3. converter mouth dust gathering arrester according to claim 1 is characterized in that, eight holes have been opened on dust gathering arrester top, wherein; Four perforates are used for the installation of the movable overskirt water-cooled tube of converter flue; Other four perforates are used for the up-down of movable overskirt elevator chain bar; Adopt union lever (11) lower end that movable overskirt lift arm is fixing with bearing pin connection group (13); Union lever (11) upper end promotes chain with overskirt and is connected, and with asbestos cloth bag (12) the dust gathering arrester tapping is sealed.
4. converter mouth dust gathering arrester according to claim 1 is characterized in that, the top of dust gathering arrester inner chamber and side are uniformly distributed with anchoring hook (15), waters coating (14) in inner chamber spraying lightweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120327673XU CN202297655U (en) | 2011-09-02 | 2011-09-02 | Dust collecting cover for converter opening of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120327673XU CN202297655U (en) | 2011-09-02 | 2011-09-02 | Dust collecting cover for converter opening of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202297655U true CN202297655U (en) | 2012-07-04 |
Family
ID=46366591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120327673XU Expired - Lifetime CN202297655U (en) | 2011-09-02 | 2011-09-02 | Dust collecting cover for converter opening of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202297655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745763A (en) * | 2015-04-01 | 2015-07-01 | 中冶南方工程技术有限公司 | Device for reducing out-leakage of furnace-front smoke of rotary furnace |
-
2011
- 2011-09-02 CN CN201120327673XU patent/CN202297655U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745763A (en) * | 2015-04-01 | 2015-07-01 | 中冶南方工程技术有限公司 | Device for reducing out-leakage of furnace-front smoke of rotary furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |