CN201611211U - End sealing structure for smoke hood of sintering circular-cooler - Google Patents
End sealing structure for smoke hood of sintering circular-cooler Download PDFInfo
- Publication number
- CN201611211U CN201611211U CN2010203019079U CN201020301907U CN201611211U CN 201611211 U CN201611211 U CN 201611211U CN 2010203019079 U CN2010203019079 U CN 2010203019079U CN 201020301907 U CN201020301907 U CN 201020301907U CN 201611211 U CN201611211 U CN 201611211U
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- turnover panel
- hinge
- cooler
- layer
- petticoat pipe
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Abstract
The utility model discloses an end sealing structure for a smoke hood of a sintering circular-cooler, which comprises a hinge turnover plate layer equipped to an end of the smoke hood. The hinge turnover plate layer is divided to an inner layer and an outer layer. Each layer of hinge turnover plate layer comprises at least two adjacent turnover plates, Hinges are connected on the turnover plates. The end sealing structure for a smoke hood of a sintering circular-cooler, which is disclosed by the utility model, reduces the air leakage, and particularly better settles a problem of serious air leakage in single-layer sealing, thereby improving the use quality of smoke so that the temperature of smoke is free from the effect of uncertain air leakage. Furthermore the air leakage prevention form causes the air leakage at the end of smoke cover in a controllable range and causes more stable operation state of tail part.
Description
Technical field
The utility model relates to a kind of structure of improving the central cooler performance, especially a kind of sintering circular-cooler petticoat pipe end seal structure.
Background technology
In steel manufacture process, the energy consumption of sintering circuit accounts for 10% of total energy consumption, is only second to the ironmaking operation, occupies second.In the sintering circuit total energy consumption, there is nearly 50% heat energy to enter atmosphere with the sensible heat form of sintering device flue gas and cooling machine waste gas.Because the temperature of sintering circular-cooler waste gas is not high, only 150～450 ℃, the limitation of heat recovery technology is ignored by people for a long time before adding.
The Sealing Technology of sintering circular-cooler is one of key technology of sintering circular-cooler cogeneration, directly have influence on cogeneration result's success or failure, in the Sealing Technology of sintering circular-cooler: the anti-hermetically-sealed construction that leaks out in petticoat pipe end is one of emphasis, in steel manufacture process, the sintered ring cold exhaust heat utilization has obtained increasing popularization, yet when flue gas recirculation utilizes, pressure in the petticoat pipe of flue gas utilization section is negative pressure, be lower than external atmospheric pressure, causing thus in the end of petticoat pipe has many cold airs to bleed, thereby has influenced the quality of utilizing of flue gas.Present most of iron and steel UTILIZATION OF VESIDUAL HEAT IN project all is with 5-8 easy hinge turnover panel bed devices of individual layer in the petticoat pipe end.This hinge turnover panel layer exists following problem, promptly owing to the material in the chassis is uneven, when the individual layer sealing device is set, adjacent hinge turnover panel layer may not can be dug simultaneously or is fallen, certainly will make like this to exist certain angle space of leaking out between two turnover panels, and this space of leaking out makes to leak out and increases the weight of.And the design's invention is carried out design improvement at this defective.Be characterized in forming the two seals device, reduce to greatest extent and leak out.
Whole nation iron and steel business enterprise expand present technique is significant, sintering deposit energy consumption only per ton is marked coal with regard to 45kg, whole nation ironmaking in 2006 is 400,000,000 tons, the about 2,000 ten thousand tons of mark coals of energy consumption, about 34% heat energy is gone into atmosphere with the flue gas form from main pump drainage in the sintering process, and about 62% heat energy is taken away by sintered material, if 40% heat in the sintered material is carried out waste heat recovery, then can save at least 500 ten thousand tons/year of standard coals, 1,050 ten thousand tons/year of reducing emission of carbon dioxide, about 260,000 tons/year of sulfur dioxide.
Summary of the invention
The purpose of this utility model is to provide a kind of solution ring cold machine smoke hood end to leak out for the deficiency that solves above-mentioned technology to exceed standard, reduce petticoat pipe end air leak rate of air curtain, improve the quality that fume afterheat utilizes, make stable more, the efficient sintering circular-cooler petticoat pipe end seal structure that moves of afterheat generating system.
In order to achieve the above object, the sintering circular-cooler petticoat pipe end seal structure that the utility model is designed, it comprises the hinge turnover panel layer that is arranged on the petticoat pipe end, described hinge turnover panel layer divides inside and outside two-layer, and every layer of hinge turnover panel layer comprises at least two adjacent turnover panels, is connected with hinge on the turnover panel, during use, cold wind by ground floor hinge sealing device bleeds is subjected to further prevention during by second layer hinge sealing device, can reduce air leak rate of air curtain greatly.
More flexible in order to guarantee stirring of turnover panel, the distance between the two hinge turnover panel layers is greater than the height of turnover panel, and as preferably, the distance between the described two hinge turnover panel layers is that the height of turnover panel is added 500mm.
As preferably, described every layer of hinge turnover panel layer top correspondence is provided with the oblique top petticoat pipe, and what petticoat pipe was made oblique top can prevent dust stratification.
As preferably, closely be provided with sealing plate below the described oblique top petticoat pipe, described hinge is installed in the bottom of sealing plate.
As preferably, the cold conditions slit between described turnover panel and the hinge is more than or equal to 5mm.Because the operating ambient temperature of this hinge, turnover panel is higher, have usually about 400 ℃-550 ℃, consider the heat expansion factor of steel plate materials, during design the cold conditions slit between hinge and the turnover panel is controlled at 5mm and more than.Like this when hot operation, slit therebetween will be about 1～2mm, and can guarantee thus between turnover panel and the hinge can flexible motion, can bite.
As preferably, between described turnover panel, be provided with fanning strip, this fanning strip is fixedly connected on turnover panel end or the hinge.Fanning strip is along with turnover panel rotates, and can eliminate adjacent two turnover panels when not parallel and the situation that the angle that exists leaks out.According to the solid accumulation situation, the flip angle of hinge turnover panel layer is not more than 60 degree usually, therefore can be 60 degree with the angle design of fanning strip, so just can satisfy the requirement of turnover panel upset, no matter any angle is that the face formula is staggered all the time between two hinge turnover panel layers, leaks out thereby can eliminate.
The resulting sintering circular-cooler petticoat pipe of the utility model end seal structure, not only reduced inleakage, especially better solved the serious problem of leaking out that the individual layer sealing exists, thereby improved the quality of utilizing of flue gas, make flue-gas temperature avoid uncertain impact of leaking out, and this hermetically-sealed construction also makes leaking out of petticoat pipe end be in a controlled scope, makes the afterbody duty more stable.
Description of drawings
Fig. 1 is the structural representation of existing hinge turnover panel;
Fig. 2 is the structural representation of embodiment 1;
Fig. 3 is the cutaway view of B-B ' among Fig. 2;
Fig. 4 is the enlarged drawing of I among Fig. 2;
Fig. 5 is the structural representation of embodiment 1 low-temperature zone;
Fig. 6 is the structural representation of embodiment 1 high temperature section.
Among the figure: hinge 1, turnover panel 2, oblique top petticoat pipe 3, sealing plate 4, fanning strip 5, hinge turnover panel layer 6.
The specific embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 2, the described sintering circular-cooler petticoat pipe of present embodiment end seal structure, it comprises the hinge turnover panel layer 6 that is arranged on the petticoat pipe end, two-layer inside and outside the described hinge turnover panel layer 6 minutes, every layer of hinge turnover panel layer 6 comprises at least two adjacent turnover panels 2, shown in Fig. 3,4, be connected with hinge 1 on the turnover panel 2, distance between the two hinge turnover panel layers 6 is that the height of turnover panel 2 is added 500mm, every layer of hinge turnover panel layer 6 top correspondence are provided with oblique top petticoat pipe 3, oblique top petticoat pipe 3 belows closely are provided with sealing plate 4, and hinge 1 is installed in the bottom of sealing plate 4.Cold conditions slit between turnover panel 2 and the hinge 1 is 5mm, like this when hot operation, slit therebetween will be about 1～2mm, can guarantee thus between turnover panel 2 and the hinge 1 can flexible motion, can bite, between described turnover panel 2, be provided with fanning strip 5, this fanning strip 5 is fixedly connected on turnover panel 2 ends, adjacent two turnover panels 2 can have been eliminated when not parallel and the situation that the angle that exists leaks out, according to the solid accumulation situation, the flip angle of hinge turnover panel layer 6 is not more than 60 degree usually, therefore can be 60 degree with the angle design of fanning strip 5, so just can satisfy the requirement of turnover panel 2 upsets.
During use, material in circular cooler trolley is higher, when being higher than the bottom absolute altitude of hinge turnover panel layer 6, so under the promotion of material, may there be different angles with making between each piece hinge turnover panel layer 6, and the height of the accumulation of sintering mineral aggregate is to be irregular state, relative motion between the two-layer hinge turnover panel layer 6 will be to carry out in the staggered mode of face formula all the time, the cold wind that bleeds by ground floor hinge 1 sealing device, be subjected to further prevention during by second layer hinge 1 sealing device, can reduce air leak rate of air curtain greatly, what petticoat pipe was made oblique top can prevent dust stratification.
Claims (8)
1. sintering circular-cooler petticoat pipe end seal structure, it comprises the hinge turnover panel layer that is arranged on the petticoat pipe end, and it is inside and outside two-layer to it is characterized in that described hinge turnover panel layer divides, and every layer of hinge turnover panel layer comprises at least two adjacent turnover panels, is connected with hinge on the turnover panel.
2. sintering circular-cooler petticoat pipe end seal structure according to claim 1 is characterized in that distance between the described two hinge turnover panel layers is greater than the height of turnover panel.
3. sintering circular-cooler petticoat pipe end seal structure according to claim 2 is characterized in that described every layer of hinge turnover panel layer top correspondence is provided with the oblique top petticoat pipe.
4. sintering circular-cooler petticoat pipe end seal structure according to claim 3 is characterized in that described oblique top petticoat pipe below closely is provided with sealing plate, and described hinge is installed in the bottom of sealing plate.
5. according to claim 1 or 2 or 3 or 4 described sintering circular-cooler petticoat pipe end seal structures, it is characterized in that cold conditions slit between described turnover panel and the hinge is more than or equal to 5mm.
6. sintering circular-cooler petticoat pipe end seal structure according to claim 5 is characterized in that distance between the described two hinge turnover panel layers is that the height of turnover panel is added 500mm.
7. according to claim 1 or 2 or 3 or 4 described sintering circular-cooler petticoat pipe end seal structures, it is characterized in that being provided with fanning strip between described turnover panel, this fanning strip is fixedly connected on turnover panel end or the hinge.
8. sintering circular-cooler petticoat pipe end seal structure according to claim 5 is characterized in that being provided with fanning strip between described turnover panel, and this fanning strip is fixedly connected on turnover panel end or the hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203019079U CN201611211U (en) | 2010-01-29 | 2010-01-29 | End sealing structure for smoke hood of sintering circular-cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203019079U CN201611211U (en) | 2010-01-29 | 2010-01-29 | End sealing structure for smoke hood of sintering circular-cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611211U true CN201611211U (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203019079U Expired - Fee Related CN201611211U (en) | 2010-01-29 | 2010-01-29 | End sealing structure for smoke hood of sintering circular-cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201611211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788506A (en) * | 2012-08-29 | 2012-11-21 | 中冶长天国际工程有限责任公司 | Control method and system of insulation board for ignition furnace |
-
2010
- 2010-01-29 CN CN2010203019079U patent/CN201611211U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788506A (en) * | 2012-08-29 | 2012-11-21 | 中冶长天国际工程有限责任公司 | Control method and system of insulation board for ignition furnace |
| CN102788506B (en) * | 2012-08-29 | 2014-08-06 | 中冶长天国际工程有限责任公司 | Control method and system of insulation board for ignition furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20150129 |
|
| EXPY | Termination of patent right or utility model |