CN203683572U - Converter secondary flue gas gathering device - Google Patents
Converter secondary flue gas gathering device Download PDFInfo
- Publication number
- CN203683572U CN203683572U CN201320535015.9U CN201320535015U CN203683572U CN 203683572 U CN203683572 U CN 203683572U CN 201320535015 U CN201320535015 U CN 201320535015U CN 203683572 U CN203683572 U CN 203683572U
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- CN
- China
- Prior art keywords
- flue gas
- secondary flue
- converter
- rear panel
- converter secondary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
Abstract
The utility model provides a converter secondary flue gas gathering device. The converter secondary flue gas gathering device comprises a front inclined plate, a front panel, a top plate, a rear panel, a rotary shaft, a movable wing plate and air pipes. The front panel, the top plate and the rear panel are connected in sequence to form a hollow slot body with an opening below; and the two ends of the hollow slot body are connected with air pipes. The movable wing plate consists of a plurality of independent unit wing plates which are connected with the rear panel by the rotary shaft. The outline and the structure of the flue gas gathering device are sufficiently adaptive to relatively sealed space formed by a crane beam, a molten iron tank and a converter, so that the converter secondary flue gas can be efficiently gathered with low consumption before being diffused largely; and meanwhile, the rear panel and the movable wing plate block intake of wild wind from the rear side of the flue gas gathering device, so that dust-removing air quantity of the system is effectively reduced.
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 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, each iron and steel enterprise all has higher requirement to plant area's environmental protection.
At present traditional steel-making converter secondary flue gas capturing device can not be efficiently, the pollution of catching the flue gas producing in converter production process and caused to a certain extent steelshop and atmospheric environment of low consumption, 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 converter secondary flue gas capturing device, can effectively stop secondary flue gas escape from the gap between crane crossbeam and smoke gathering device and stop entering of the wild wind of smoke gathering device rear side.
The utility model provides a kind of converter secondary flue gas capturing device, comprises front panel, top board and rear panel, and described front panel, top board and rear panel are connected to form a below and have the hollow cell body of opening in turn, and the two ends of hollow cell body are all connected with airduct; The below of described front panel is also connected with front swash plate, and described front swash plate is obliquely installed towards the direction that the opening of hollow cell body is dispersed; Described front swash plate and described front panel equal in length; Described front panel, top board and rear panel equal in length; The width of described rear panel is greater than the width of front panel; The below of described rear panel also connects movable wing plate by the first rotation axis, and described movable wing plate is by parallel the connecting to form of multiple unit wing plate.
Described airduct connects extractor fan by outside cleaning shaft.
Described converter secondary flue gas capturing device is arranged at the oblique upper of iron ladle and converter, and the just dispersal direction to described secondary flue gas of the opening of hollow cell body, and the contiguous described iron ladle direction of described front swash plate, and described rear panel is away from described iron ladle direction.
Described iron ladle is hung and is established by crane crossbeam.
Between described front panel and described front swash plate, be also connected with the second rotation axis.
Described front swash plate and movable wing plate are all connected with transmission rig.
The advantage the utlity model has is:
Before in the utility model, swash plate fully blocks the space between crane crossbeam and smoke gathering device, and from then on passage is excessive to stop secondary flue gas.Prove through a large amount of research and practices, secondary flue gas escape principal passage is the space (for to prevent that the front panel of crane crossbeam and smoke gathering device from bumping, staying this safety clearance) between crane crossbeam and smoke gathering device.In the utility model by the capture rate that can greatly improve secondary flue gas that arranges of front swash plate.
In the utility model, rear panel and movable wing plate can effectively stop entering of the wild wind of smoke gathering device rear side, prove through research and practice, and entering of a large amount of wild wind of rear side, has increased the total load of system greatly, cause collection efficiency to reduce simultaneously.The setting of rear panel and movable wing plate, can reduce systematic air flow greatly, thereby reduces relevant device capacity, saves investment, reduces working cost simultaneously.
In the utility model, the setting of movable wing plate is the one extension of rear panel, can effectively improve rear panel and stop wild wind action, also can not affect normally fascinating of converter simultaneously.
The utility model entirety simple in structure, does not almost affect process for making, is applicable to newly-built and transformation project, can effectively reduce investment and shorten the transformation cycle.
Accompanying drawing explanation
The structural representation of the converter secondary flue gas capturing device that Fig. 1 provides for the utility model in the time that molten iron is injected in converter;
Fig. 2 is the A-A sectional view of Fig. 1;
The structural representation of the converter secondary flue gas capturing device that Fig. 3 provides for the utility model.
In figure: swash plate, 2-front panel, 3-top board, 4-rear panel, 5-rotation axis, 6-movable wing plate, 7-airduct, 8-converter, 9-iron ladle, 10-crane crossbeam before 1-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
The present embodiment provides a kind of converter secondary flue gas capturing device, as shown in FIG. 1 to 3, comprises front swash plate 1, front panel 2, top board 3, rear panel 4, rotation axis 5, movable wing plate 6 and airduct 7.Described front panel 2, top board 3 and rear panel 4 are connected to form a below and have the hollow cell body of opening in turn, and the two ends of described hollow cell body are all connected with airduct 7.The below of described front panel 2 is also connected with front swash plate 1, and described front swash plate 1 is obliquely installed towards the direction that the opening of hollow cell body is dispersed.Described front swash plate 1 is equal in length with described front panel 2.Movable wing plate 6 be arranged in parallel by multiple independently unit wing plate and interconnect form, the top of movable wing plate 6 is connected with the below of rear panel 4 by rotation axis 5.Described airduct 7 connects extractor fan by outside cleaning shaft.Described smoke gathering device is arranged at the oblique upper of iron ladle 9 and crane crossbeam 10, and make the just dispersal direction to described secondary flue gas of opening of hollow cell body, and contiguous described iron ladle 9 directions of described front swash plate 1, described rear panel 4 is away from described iron ladle 9 directions.Described iron ladle 9 is hung and is established by crane crossbeam 10.And its front swash plate 1 is towards the direction setting of contiguous iron ladle 9.The profile of described smoke gathering device and structure fully adapt to the relatively airtight space being formed by crane crossbeam 10, iron ladle 9, converter 8, can be before the not a large amount of diffusions of converter secondary flue gas by efficiently, the catching of low consumption, rear panel 4 and movable wing plate 6 have stopped entering of the wild wind of smoke gathering device rear side simultaneously, have effectively reduced the dedusting air quantity of system.Between described front panel 2 and described front swash plate 1, can also be connected with rotation axis, and then make front swash plate 1 also for movable plate body.The described front swash plate 1 of institute and movable wing plate 6 all can be connected with transmission rig.
In the time that converter 8 hot metal charging work start, converter 8 tilts to state in Fig. 2, iron ladle 9 is close converter 8 under the effect of crane, now crane crossbeam 10 approaches front swash plate 1 and the front panel 2 of smoke gathering device, by the length of swash plate 1 before arranging reasonably, reduce the gap between crane crossbeam 10 and front swash plate 1 and front panel 2 as far as possible.When iron ladle 9 tilted to start toward 8 times of falling molten iron of converter, will produce a large amount of high-temperature flue gas, the now smoke gathering device exhausting of starting working, wherein smoke gathering device maintains static, its airduct 7 is communicated with outside cleaning shaft, because smoke gathering device and crane crossbeam 10, iron ladle 9, converter 8 have formed the space of a relative closure, effectively stop the excessive of flue gas, improve greatly the collection efficiency of flue gas.
When having error or other reasons, when converter 8 and movable wing plate 6 are come in contact, movable wing plate 6 moving axis 5 that can rotate rotates, and prevents that smoke gathering device from affecting normally fascinating of converter 8.
Should be understood that above-described embodiment is only not used in restriction scope of the present utility model for the utility model is described.In addition should understand, after having read the content of the utility model instruction, those skilled in the art can make various changes or modifications the utility model, for example, adjust the length of front swash plate 1 and the angle with front panel 2, adjust vertical length of rear panel 4 etc., these equivalent form of values fall within the utility model appended claims limited range equally.
Claims (6)
1. a converter secondary flue gas capturing device, is characterized in that, comprises front panel, top board and rear panel, and described front panel, top board and rear panel are connected to form a below and have the hollow cell body of opening in turn, and the two ends of hollow cell body are all connected with airduct; The below of described front panel is also connected with front swash plate, and described front swash plate is obliquely installed towards the direction that the opening of hollow cell body is dispersed; Described front swash plate and described front panel equal in length; Described front panel, top board and rear panel equal in length; The width of described rear panel is greater than the width of front panel; The below of described rear panel also connects movable wing plate by the first rotation axis, and described movable wing plate is by parallel the connecting to form of multiple unit wing plate.
2. converter secondary flue gas capturing device according to claim 1, is characterized in that, described airduct connects extractor fan by outside cleaning shaft.
3. converter secondary flue gas capturing device according to claim 2, it is characterized in that, described converter secondary flue gas capturing device is arranged at the oblique upper of iron ladle and converter, and the opening of hollow cell body is the dispersal direction to described secondary flue gas just, and the contiguous described iron ladle direction of described front swash plate, described rear panel is away from described iron ladle direction.
4. converter secondary flue gas capturing device according to claim 3, is characterized in that, described iron ladle is hung and established by crane crossbeam.
5. converter secondary flue gas capturing device according to claim 1, is characterized in that, between described front panel and described front swash plate, is also connected with the second rotation axis.
6. converter secondary flue gas capturing device according to claim 5, is characterized in that, described front swash plate and movable wing plate are all connected with transmission rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535015.9U CN203683572U (en) | 2013-08-29 | 2013-08-29 | Converter secondary flue gas gathering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535015.9U CN203683572U (en) | 2013-08-29 | 2013-08-29 | Converter secondary flue gas gathering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683572U true CN203683572U (en) | 2014-07-02 |
Family
ID=51005497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535015.9U Expired - Lifetime CN203683572U (en) | 2013-08-29 | 2013-08-29 | Converter secondary flue gas gathering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203683572U (en) |
-
2013
- 2013-08-29 CN CN201320535015.9U patent/CN203683572U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |