CN203923255U - Novel blowing and drawing type converter secondary flue gas capturing device - Google Patents
Novel blowing and drawing type converter secondary flue gas capturing device Download PDFInfo
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- CN203923255U CN203923255U CN201420228049.8U CN201420228049U CN203923255U CN 203923255 U CN203923255 U CN 203923255U CN 201420228049 U CN201420228049 U CN 201420228049U CN 203923255 U CN203923255 U CN 203923255U
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- flue gas
- converter
- secondary flue
- blowing
- blower fan
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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
Abstract
The utility model relates to a kind of novel blowing and drawing type converter secondary flue gas capturing device, it comprises and is separately positioned on the suction and blowing device of steel, slag transport passage both sides and is arranged on the fume trap cover in converter, described fume trap cover is communicated with outside cleaning shaft by induced exhaust, described fume trap cover, described suction and blowing device, described converter, is arranged on the iron ladle of described converter top and the space of a relative sealing of anti-smoke-box formation; It is indoor that described converter is placed in described Smoke prevention; Described suction and blowing device comprises the blower fan being connected with motor, and the blast inlet of described blower fan is communicated with air-returning device, and the air outlet of described blower fan is connected with airduct, and described airduct is provided with the exhaust apparatus of the corresponding setting of a plurality of and described air-returning device.The beneficial effects of the utility model are: 1, simple in structure, convenient realization.2, can reduce the wild air quantity that enters the fume trap cover that is arranged on converter top, be conducive to fume trap cover before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption, energy-conserving and environment-protective.
Description
Technical field
The utility model relates to iron and steel enterprise's steel-making converter secondary flue gas purification facility, relates in particular to a kind of novel blowing and drawing type converter secondary flue gas capturing device.
Background technology
As everyone knows, protection of the environment is the fundamental state policy that must adhere to for a long time, and under the brute force promotion of national policy and the supervision of public opinion, the environmental protection of Jun Dui plant area of each iron and steel enterprise is had higher requirement.
At present traditional steel-making converter secondary flue gas capturing device can not be efficiently, low consumption catch the pollution that the flue gas producing in converter production process has caused steelshop and atmospheric environment to a certain extent, the while has also consumed a large amount of energy.
In order to improve collection efficiency, generally adopt at present the method that improves system dust removing air quantity both at home and abroad, although the method has improved the collection efficiency of converter secondary flue gas to a certain extent, but must expand for improving the corresponding dust removal installation capacity of systematic air flow, not only cause investment of equipment to increase, working cost also increases greatly, does not meet the related request that national energy-saving reduces discharging.At present, trapping converter secondary flue gas how efficient, low consumption has become a domestic and international ubiquitous difficult problem.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel blowing and drawing type converter secondary flue gas capturing device of efficient, low consumption.
The technical scheme that the utility model adopts is: a kind of novel blowing and drawing type converter secondary flue gas capturing device, it comprises and is separately positioned on the suction and blowing device of steel, slag transport passage both sides and is arranged on the fume trap cover in converter, described fume trap cover is communicated with outside cleaning shaft by induced exhaust, described fume trap cover, described suction and blowing device, described converter, is arranged on the iron ladle of described converter top and the space of a relative sealing of anti-smoke-box formation; It is indoor that described converter is placed in described Smoke prevention; Described suction and blowing device comprises the blower fan being connected with motor, and the blast inlet of described blower fan is communicated with air-returning device, and the air outlet of described blower fan is connected with airduct, and described airduct is provided with the exhaust apparatus of the corresponding setting of a plurality of and described air-returning device.
Further, described fume trap cover comprises front panel, top board and rear panel, and described front panel, top board and rear panel are connected to form the hollow cell body that a below has opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust.
Further, the size of described front panel and rear panel can identical can be not identical yet, and for example the width of front panel and rear panel is identical, but the height of rear panel is higher than the height of front panel.
Further, described opening is over against the dispersal direction of described secondary flue gas.
Further, described airduct is fixedly connected with the wall of steel, slag transport passage by suspension bracket.
Further, described motor is fixedly connected with the wall of steel, slag transport passage by stationary installation with described blower fan.
Further, described air-returning device is scrak type return air inlet.
Further, described exhaust apparatus is nozzle.
Further, the air quantity of described blower fan is controlled by the rotating speed of motor; Described motor adopts frequency control motor; Described outside cleaning shaft is connected with extractor fan.
In steel, slag transport passage both sides, be provided with respectively a set of suction and blowing device, described suction and blowing device is comprised of blower fan, motor, airduct, nozzle, scrak type return air inlet, stationary installation, suspension bracket, it can form twice air curtain, effectively regulate, reduce to enter from steel, slag transport passage the air quantity of anti-smoke-box, and form a relative airtight space with steel, slag transport passage, anti-smoke-box, thereby reduce to enter the wild air quantity of the fume trap cover that is arranged on converter top, this be conducive to fume trap cover before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption.
The air quantity of blower fan can be regulated also and can be regulated by other means by the rotating speed of motor, forms a rational air intake air current composition and variable shock resistance.
Through a large amount of research and practice, find, the air quantity that enters anti-smoke-box from steel, slag transport passage is very large, the reduction that this is serious the collection efficiency of fume trap cover.In steel, slag transport passage both sides, a set of suction and blowing device is set respectively, it can form twice air curtain, effectively regulate, reduce to enter from steel, slag transport passage the air quantity of anti-smoke-box, and form a relative airtight space with steel, slag transport passage, anti-smoke-box, thereby reduce to enter the wild air quantity of the fume trap cover that is arranged on converter top, this be conducive to fume trap cover before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption.
The beneficial effects of the utility model are: 1, simple in structure, convenient realization.2, can reduce the wild air quantity that enters the fume trap cover that is arranged on converter top, be conducive to fume trap cover before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
In figure: 1, steel, slag transport passage, 2, blower fan, 3, airduct, 4, nozzle, 5, scrak type return air inlet, 6, stationary installation, 7, suspension bracket, 8, fume trap cover, 8-1, front panel, 8-2, top board, 8-3, rear panel, 9, anti-smoke-box, 10, induced exhaust, 11, crane, 12, iron ladle, 13, converter.
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Referring to Fig. 1-Fig. 3, a kind of novel blowing and drawing type converter secondary flue gas capturing device, it comprises and is separately positioned on the suction and blowing device of steel, slag transport passage 1 both sides and is arranged on the fume trap cover 8 in converter 13, described fume trap cover 8 is communicated with outside cleaning shaft by induced exhaust 10, and described outside cleaning shaft is connected with extractor fan; Described fume trap cover 8, described suction and blowing device, described converter 13, the iron ladle 12 that is arranged on described converter 13 tops and anti-smoke-box 9 form the space of a relative sealing; Described converter 13 is placed in described anti-smoke-box 9; Described suction and blowing device comprises the blower fan 2 being connected with motor, and the blast inlet of described blower fan 2 is communicated with scrak type return air inlet 5, and the air outlet of described blower fan 2 is connected with airduct 3, and described airduct 3 is provided with the nozzle 4 of the corresponding setting of a plurality of and described scrak type return air inlet 5; Described airduct 3 is fixedly connected with the wall of steel, slag transport passage 1 by suspension bracket 7; Described motor is fixedly connected with the wall of steel, slag transport passage 1 by stationary installation 6 with described blower fan 2.
In the present embodiment, described fume trap cover 8 comprises front panel 8-1, top board 8-2 and rear panel 8-3, described front panel 8-1, top board 8-2 and rear panel 8-3 are connected to form the hollow cell body that a below has opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust 10.
In order to reach better trapping effect, described front panel 8-1 and rear panel 8-3 are measure-alike, and described opening is over against the dispersal direction of described secondary flue gas.
In order to reach better trapping effect, the air quantity of described blower fan 2 is controlled by the rotating speed of motor; Described motor adopts frequency control motor.
While preparing hot metal charging, blower fan 2, motor are in the state of running up.
When converter 13 hot metal charging work start, converter 13 tilts to state in Fig. 1, iron ladle 12 under the effect of crane 11 near converter 13 start down molten iron, will a large amount of flue gas of generation in this process.The fume trap cover 8 that is now the arranged on converter 13 tops exhausting of starting working, now suction and blowing device can form twice air curtain, effectively regulate, reduce to enter from steel, slag transport passage 1 air quantity of anti-smoke-box 9, form a rational air intake air current composition and shock resistance, and form a relative airtight space with steel, slag transport passage 1, anti-smoke-box 9, can reduce like this to enter the wild air quantity of fume trap cover 8, can be before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption.
In the utility model, arranging of described suction and blowing device produced almost not impact to converter.
When converter secondary fume tolerance reduces or do not have, blower fan 2, motor, in low-speed running state, are saved energy consumption.
Should be understood that above-described embodiment is only not used in the scope of restriction this patent for this patent is described.In addition should understand, after having read the content of this patent instruction, those skilled in the art can make various changes or modifications this patent, for example, the position of suction and blowing device and quantity can be adjusted, and nozzle 4 can change other forms of exhaust apparatus into, and the quantity of nozzle 4 can be adjusted, scrak type return air inlet 5 can change other forms of air-returning device into, and these equivalent form of values fall within the application's appended claims limited range equally.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a novel blowing and drawing type converter secondary flue gas capturing device, it is characterized in that: it comprises the fume trap cover that is separately positioned on the suction and blowing device of steel, slag transport passage both sides and is arranged on converter top, described fume trap cover is communicated with outside cleaning shaft by induced exhaust, described fume trap cover, described suction and blowing device, described converter, is arranged on the iron ladle of described converter top and the space of a relative sealing of anti-smoke-box formation; It is indoor that described converter is placed in described Smoke prevention; Described suction and blowing device comprises the blower fan being connected with motor, and the blast inlet of described blower fan is communicated with air-returning device, and the air outlet of described blower fan is connected with airduct, and described airduct is provided with the exhaust apparatus of the corresponding setting of a plurality of and described air-returning device.
2. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, it is characterized in that: described fume trap cover comprises front panel, top board and rear panel, described front panel, top board and rear panel are connected to form the hollow cell body that a below has opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust.
3. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 2, is characterized in that: described opening is over against the dispersal direction of described secondary flue gas.
4. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described airduct is fixedly connected with the wall of steel, slag transport passage by suspension bracket.
5. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described motor is fixedly connected with the wall of steel, slag transport passage by stationary installation with described blower fan.
6. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described air-returning device is scrak type return air inlet.
7. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described exhaust apparatus is nozzle.
8. novel blowing and drawing type converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: the air quantity of described blower fan is controlled by the rotating speed of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228049.8U CN203923255U (en) | 2014-05-06 | 2014-05-06 | Novel blowing and drawing type converter secondary flue gas capturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228049.8U CN203923255U (en) | 2014-05-06 | 2014-05-06 | Novel blowing and drawing type converter secondary flue gas capturing device |
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| Publication Number | Publication Date |
|---|---|
| CN203923255U true CN203923255U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228049.8U Active CN203923255U (en) | 2014-05-06 | 2014-05-06 | Novel blowing and drawing type converter secondary flue gas capturing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981325A (en) * | 2014-05-06 | 2014-08-13 | 中冶南方工程技术有限公司 | Novel sucking-and-blowing type secondary flue gas gathering apparatus for converter |
-
2014
- 2014-05-06 CN CN201420228049.8U patent/CN203923255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981325A (en) * | 2014-05-06 | 2014-08-13 | 中冶南方工程技术有限公司 | Novel sucking-and-blowing type secondary flue gas gathering apparatus for converter |
| CN103981325B (en) * | 2014-05-06 | 2015-11-11 | 中冶南方工程技术有限公司 | Blowing and drawing type converter secondary flue gas capturing device |
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