CN103981326B - Novel pair of air port movable converter secondary flue gas capturing device - Google Patents
Novel pair of air port movable converter secondary flue gas capturing device Download PDFInfo
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- CN103981326B CN103981326B CN201410187704.4A CN201410187704A CN103981326B CN 103981326 B CN103981326 B CN 103981326B CN 201410187704 A CN201410187704 A CN 201410187704A CN 103981326 B CN103981326 B CN 103981326B
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- top board
- flue gas
- trap cover
- fume trap
- secondary flue
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Abstract
The present invention relates to a kind of novel pair of air port movable converter secondary flue gas capturing device, it comprises the fume trap cover be arranged in converter, and described fume trap cover is communicated with outside cleaning shaft by induced exhaust; 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 below with opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust; Described top board is provided with and blocks top board, and described in block top board and be provided with range finder, described in block top board and be connected with stationary installation by driving mechanism, described range finder controls the collapsing length of driving mechanism by controller; Described front panel is provided with blast inlet.In the present invention, block top board and fully can block space between crane crossbeam and fume trap cover, be conducive to fume trap cover converter secondary flue gas not in a large number before diffusion by efficiently, the catching of low consumption, energy-conserving and environment-protective.
Description
Technical field
The present invention relates to iron and steel enterprise's steel-making converter secondary flue gas purification facility, particularly relate to a kind of novel pair of air port movable converter secondary flue gas capturing device.
Background technology
As everyone knows, protection of the environment is a 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.
Two air ports movable converter secondary flue gas capturing device traditional at present can not efficiently, low consumption catch the flue gas produced in converter production process, cause the pollution of steelshop and atmospheric environment to a certain extent, also consumes a large amount of energy simultaneously.
In order to improve collection efficiency, generally adopt the method improving system dust removing air quantity at present both at home and abroad.Although improve the collection efficiency of converter secondary flue gas to a certain extent, but raising systematic air flow, corresponding dust removal installation capacity must expand, and not only causes investment of equipment to increase, and working cost also increases greatly, the related request that national energy-saving reduces discharging can not be met.At present, how efficiently, the trapping converter secondary flue gas of low consumption has become a domestic and international ubiquitous difficult problem.
Found by a large amount of research and practices, a large amount of secondary flue gas is escaped by the gap between crane crossbeam and secondary flue gas fume trap cover, and this gap is prevent from colliding with secondary flue gas fume trap cover in crane crossbeam moving process the safe distance arranged.
Therefore, we are necessary to design a kind of new capturing device, are escaped by the gap between crane crossbeam and secondary flue gas fume trap cover to reduce secondary flue gas.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of novel pair of air port movable converter secondary flue gas capturing device that can reduce secondary flue gas and be escaped by the gap between crane crossbeam and secondary flue gas fume trap cover.
The technical solution adopted in the present invention is: a kind of novel pair of air port movable converter secondary flue gas capturing device, and it comprises the fume trap cover be arranged in converter, and described fume trap cover is communicated with outside cleaning shaft by induced exhaust; 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 below with opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust; Described top board is provided with and blocks top board, and described in block top board and be provided with range finder, described in block top board and be connected with stationary installation by driving mechanism, described range finder controls the collapsing length of driving mechanism by controller; Described front panel is provided with blast inlet.
Further, described front panel and rear panel size can identical also can not be identical, such as front panel is identical with the width of rear panel, but the height of rear panel is higher than the height of front panel.
Further, described opening is just to the dispersal direction of described secondary flue gas.
Further, described blast inlet is blinds blast inlet.
Further, described top board and described blocking between top board are provided with slide rail.
Further, block top board described in be connected with described driving mechanism by coupling device.
Further, described driving mechanism is hydraulic ram, the piston rod of described hydraulic ram by coupling device with block top board and be connected, the plunger shaft of described hydraulic ram is connected with described stationary installation.
Further, described in block top board both sides be respectively equipped with telescoping side plate, telescoping side plate blocks the movement of top board along with movable and stretch or shrink.
Block top board under the effect of driving mechanism, to move forward and backward.Fully to block the space between crane crossbeam and fume trap cover, thus effectively block flue gas and upwards escape, and by being arranged on the blinds blast inlet of fume trap cover header board, the flue gas of escaping is trapped.When crane crossbeam arrival predetermined position is static, blocks top board and move forward under the effect of driving mechanism, press close to crane crossbeam (determining distance by range finder) as much as possible, reduce gap; Now do not enter from fume trap cover lower openings the stop that the flue gas of upwards escaping in fume trap cover is subject to blocking top board, velocity attenuation, enter in fume trap cover by the blinds blast inlet being arranged on fume trap cover header board, complete secondary trapping.
The present invention has two blast inlets: fume trap cover lower openings, blinds blast inlet.The upper surface of telescoping side plate with block top board and be connected, the side of telescoping side plate is connected with fume trap cover front panel, and telescoping side plate can stretch along with the movement of blocking top board or shrink.The useful area coefficient of blinds blast inlet is adjustable.Slide rail is blocking between top board and fume trap cover top board, and to reduce its resistance of motion and to keep translational motion not depart from, range finder is positioned at and blocks top board front end.
Beneficial effect of the present invention is: 1, structure is simple, convenient realizes.2, when crane crossbeam arrives working position, block top board and fully can block space between crane crossbeam and fume trap cover, from then on passage is excessive to stop secondary flue gas, and by being arranged on the blinds blast inlet of fume trap cover header board, the flue gas of escaping is trapped, be conducive to fume trap cover converter secondary flue gas not in a large number before diffusion by efficiently, the catching of low consumption, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the enforcement schematic diagram of novel pair of air port movable converter secondary flue gas capturing device.
Fig. 2 is the original state figure of novel pair of air port movable converter secondary flue gas capturing device.
Fig. 3 is the working state figure of novel pair of air port movable converter secondary flue gas capturing device.
Fig. 4 is fume trap cover and the structural representation blocking top board.
In figure: 1, fume trap cover, 1-1, front panel, 1-2, top board, 1-3, rear panel, 2, blinds blast inlet, 3, block top board, 4, telescoping side plate, 5, slide rail, 6, range finder, 7, coupling device, 8, driving mechanism, 9, stationary installation, 10, induced exhaust, 11, crane crossbeam, 12, iron ladle, 13, converter.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
See Fig. 1-Fig. 4, a kind of novel pair of air port movable converter secondary flue gas capturing device, it comprises the fume trap cover 1 be arranged in converter 13, and described fume trap cover 1 is communicated with outside cleaning shaft by induced exhaust 10; Described fume trap cover 1 comprises front panel 1-1, top board 1-2 and rear panel 1-3, and described front panel 1-1, top board 1-2 and rear panel 1-3 are connected to form the hollow cell body below with opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust 10; Described top board 1-2 is provided with and blocks top board 3, and described in block top board 3 front end be provided with range finder 6, the described top board 3 that blocks is connected with stationary installation 9 by driving mechanism 8, described range finder 6 controls the collapsing length of driving mechanism 8 by controller, thus controls to block the length that top board 1-2 paid by top board 3; Described front panel 1-1 is provided with blinds blast inlet 2.
Better trapping effect to reach, front panel 1-1 and rear panel 1-3 can be made measure-alike, and make the opening of fume trap cover 1 just to the dispersal direction of described secondary flue gas.
Better trapping effect to reach, slide rail 5 can be set at top board 1-2 and described blocking between top board 3; Telescoping side plate 4 can be set respectively in the both sides of blocking top board 3, the upper surface of telescoping side plate 4 with block top board 3 and be connected, the side of telescoping side plate 4 is connected with the front panel 1-1 of fume trap cover 1, and telescoping side plate 4 can stretch along with the movement of blocking top board 3 or shrink.
In the present embodiment, described driving mechanism 8 is hydraulic ram, the piston rod of described hydraulic ram by coupling device 7 with block top board 3 and be connected, the plunger shaft of described hydraulic ram is connected with described stationary installation 9.
When crane crossbeam 11 arrive predetermined position static time (being defined as original state), now fume trap cover 1 and crane crossbeam 11 have a larger gap (see figure 2), and now telescoping side plate 4 is in contraction schedule.Range finder 6 measures the distance of blocking top board 3 and crane crossbeam 11, then by data transfer to controller, start to calculate the length of blocking top board 3 and needing to move forward after the data that controller receiving range detector 6 transmits, then control the flexible of driving mechanism 8, realize the movement of blocking top board 3.
By the effect of slide rail 5, coupling device 7, driving mechanism 8, block top board 3 to move forward, press close to crane crossbeam 11, when range finder 6 feedback is blocked when top board 3 reaches set(ting)value with the distance of crane crossbeam 11, (set(ting)value is little as far as possible, but should 0 be more than or equal to), block top board 3 and stop reach, keep maintaining static (being defined as working order) (see figure 3), now telescoping side plate 4 is in extended configuration.
When the work of converter hot metal charging starts, converter 13 tilts to state in Fig. 3, when iron ladle 12 tilted to start toward converter 13 time of falling molten iron, will produce a large amount of high-temperature flue gas.Now fume trap cover 1 is started working exhausting.Major part flue gas enters in fume trap cover 1 from fume trap cover 1 lower openings and is pumped, but quite a few flue gas escapes and moves upward, move forward owing to blocking top board 3, the effective main escape route having blocked flue gas, under the effect of blinds blast inlet 2, escape flue gas enters in fume trap cover 1 and is pumped, and completes secondary trapping, thus greatly improves the overall collection efficiency of secondary flue gas.
The useful area coefficient of blinds blast inlet 2 can regulate, thus can adjusting louver blast inlet 2 and the air output ratio of fume trap cover 1 lower openings, makes the collection efficiency of whole device reach the highest.
When crane crossbeam 11 leaves fume trap cover 1, controller controls the contraction of driving mechanism 8, realizes blocking the position that original state got back to by top board 3.
In the present invention, described in block the lighter weight of top board, the driving force of the driving mechanism configured requires less, can energy efficient with this.
Structure of the present invention is simple, does not almost affect, be applicable to newly-built and transformation project to process for making, effectively can reduce investment and shorten the transformation cycle.
Should be understood that above-described embodiment is only not used in the scope of restriction this patent for illustration of this patent.In addition should understand, after the content of having read this patent instruction, those skilled in the art can make various changes or modifications this patent, such as, the quantity of adjustment driving mechanism 8, adopts multi-form driving mechanism 8, adopts multi-form telescoping side plate 4, the length of adjustment telescoping side plate 4 or wide, block top board 3 and adopt several independently unit to combine, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (3)
1. a novel pair of air port movable converter secondary flue gas capturing device, it is characterized in that: it comprises the fume trap cover be arranged in converter, described fume trap cover is communicated with outside cleaning shaft by induced exhaust; 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 below with opening in turn, and the two ends of hollow cell body are all connected with described induced exhaust; Described top board is provided with and blocks top board, and described in block top board and be provided with range finder, described in block top board and be connected with stationary installation by driving mechanism, described range finder controls the collapsing length of driving mechanism by controller; Described front panel is provided with blast inlet;
Described top board and described blocking between top board are provided with slide rail;
The described top board that blocks is connected with described driving mechanism by coupling device;
Described driving mechanism is hydraulic ram, the piston rod of described hydraulic ram by coupling device with block top board and be connected, the plunger shaft of described hydraulic ram is connected with described stationary installation;
Described both sides of blocking top board are respectively equipped with telescopic side plate, and telescopic side plate blocks the movement of top board along with movable and stretch or shrink.
2. novel pair of air port movable converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described opening is just to the dispersal direction of described secondary flue gas.
3. novel pair of air port movable converter secondary flue gas capturing device as claimed in claim 1, is characterized in that: described blast inlet is blinds blast inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187704.4A CN103981326B (en) | 2014-05-06 | 2014-05-06 | Novel pair of air port movable converter secondary flue gas capturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187704.4A CN103981326B (en) | 2014-05-06 | 2014-05-06 | Novel pair of air port movable converter secondary flue gas capturing device |
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| Publication Number | Publication Date |
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| CN103981326A CN103981326A (en) | 2014-08-13 |
| CN103981326B true CN103981326B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410187704.4A Active CN103981326B (en) | 2014-05-06 | 2014-05-06 | Novel pair of air port movable converter secondary flue gas capturing device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328525B (en) * | 2008-08-01 | 2010-06-09 | 中冶京诚工程技术有限公司 | Movable smoke hood sealing device of steel-making converter |
| CN203923253U (en) * | 2014-05-06 | 2014-11-05 | 中冶南方工程技术有限公司 | Novel pair of air port movable converter secondary flue gas capturing device |
-
2014
- 2014-05-06 CN CN201410187704.4A patent/CN103981326B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328525B (en) * | 2008-08-01 | 2010-06-09 | 中冶京诚工程技术有限公司 | Movable smoke hood sealing device of steel-making converter |
| CN203923253U (en) * | 2014-05-06 | 2014-11-05 | 中冶南方工程技术有限公司 | Novel pair of air port movable converter secondary flue gas capturing device |
Non-Patent Citations (1)
| Title |
|---|
| 转炉二次除尘门型罩烟尘捕集的数值模拟;赵丹丹等;《山西建筑》;20130430;第39卷(第12期);第186页右栏第1段 * |
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| CN103981326A (en) | 2014-08-13 |
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