CN104864731B - Movable sealing partitioning device in sintering circular-cooler gas skirt - Google Patents
Movable sealing partitioning device in sintering circular-cooler gas skirt Download PDFInfo
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- CN104864731B CN104864731B CN201510303662.0A CN201510303662A CN104864731B CN 104864731 B CN104864731 B CN 104864731B CN 201510303662 A CN201510303662 A CN 201510303662A CN 104864731 B CN104864731 B CN 104864731B
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Abstract
The present invention relates to active partition sealing device in a kind of sintering circular-cooler gas skirt reclaimed by central cooler senior middle school warm exhaust-gas efficient.Including gas skirt body, subregion baffle plate, described gas skirt body interior, corresponding central cooler hot waste gas warm area intersection high, middle and in, low-temperature space intersection, it is respectively provided with position adjustable packaged type subregion baffle plate, described subregion baffle bottom edge is in close contact with sintering deposit charge level equipped with flexible steel brush, flexible steel brush bottom.The present invention can regulate subregion baffle position according to sintering deposit Parameters variation, and absorbs the magnetic mineral fine in sintering deposit by flexible steel brush, contacts with sintering deposit bed of material surface in chassis, improves sealing effectiveness；Thus the high temperature and the middle warm area hot waste gas that are reclaimed by central cooler the most dynamically reclaim, avoid the mixing between different temperatures waste gas, improve waste heat source grade and the residual heat resources rate of recovery, and the ratio that reasonable distribution senior middle school warm area sintering mine sensible heat reclaims, it is achieved that the cascade utilization of hot waste gas.
Description
Technical field
The present invention relates to sintering mine sensible heat high efficiente callback device, active partition sealing device in a kind of sintering circular-cooler gas skirt reclaimed by central cooler senior middle school warm exhaust-gas efficient.
Background technology
In steel manufacture process, sintering circular-cooler waste heat has obtained increasing utilization.It is rough that the own characteristic run yet with central cooler revolution and central cooler are processed, and central cooler seals has become the bottleneck improving the residual heat resources rate of recovery further.Sintering circular-cooler seals the subregion baffle plate being generally divided between the sealing of upper-part centralized gas hood, the sealing of bottom bellows and this internal high, normal, basic warm waste gas of central cooler.At present, upper-part centralized gas hood seals, and uses the sealing of metal sealing, super heated rubber and water-stop etc. both at home and abroad more, and bottom bellows seal the general sealing means using Double-layer flexible refractory seals rubber, technology relative maturity.But this internal subregion baffle design of central cooler is unreasonable, senior middle school's warm area string wind is serious, causes senior middle school's low temperature sintering deposit hot waste gas to blend mutually at bed of material upper space, reduces waste heat source grade, waste heat recovery poor effect, cause cogeneration unit load on the low side.
CN2019836460 discloses a kind of sintered ring cold waste gas comprehensive reutilization system, it is divided into the cold high temperature section of ring, middle-temperature section and low-temperature zone at the central cooler cold sealing plate of body interior retainer ring, use and communicating pipe low-temperature zone hot waste gas is passed into middle-temperature section air blast, middle-temperature section hot waste gas participates in hot gas sintering by returning sintering machine middle temperature communicating pipe, and high temperature section hot waste gas is directly used in cogeneration by all reclaiming high temperature section communicating pipe.Although this method improves utilization rate of waste heat, but middle low temperature waste gas is reclaimed after being mixed by communicating pipe, reduces waste heat grade, and sintering waste heat is not fully used.
Therefore, how to improve waste heat source temperature and thermal source stability is the matter of utmost importance that sintering waste heat power optimization runs.At present, not yet have been reported that proposition arranges movable sealing partitioning device in sintering circular-cooler gas skirt, improve sintering waste heat source grade.
Summary of the invention
Present invention seek to address that central cooler body interior string wind problem present in prior art, and a kind of change adapting to operating condition of sintering machine is provided, senior middle school's warm waste gas is realized dynamic partition and step reclaims, improve movable sealing partitioning device in the sintering circular-cooler gas skirt of ton sintering deposit cogeneration amount.
The present invention solves described problem and the technical scheme is that
Movable sealing partitioning device in a kind of sintering circular-cooler gas skirt, including gas skirt body, subregion baffle plate, described gas skirt body interior, corresponding central cooler hot waste gas warm area intersection high, middle and in, low-temperature space intersection, it is respectively provided with position adjustable packaged type subregion baffle plate, described subregion baffle bottom edge is in close contact with sintering deposit charge level equipped with flexible steel brush, described flexible steel brush bottom.
Use the present invention of technique scheme, compared with prior art, have the following advantages and prominent technique effect:
Subregion baffle position can be regulated according to sintering deposit Parameters variation, and absorb the magnetic mineral fine in sintering deposit by flexible steel brush, contact with sintering deposit bed of material surface in chassis, improve sealing effectiveness；Thus the high temperature and the middle warm area hot waste gas that are reclaimed by central cooler the most dynamically reclaim, avoid the mixing between different temperatures waste gas, improve waste heat source grade and the residual heat resources rate of recovery, and the ratio that reasonable distribution each district sintering mine sensible heat reclaims, achieve hot waste gas cascade utilization, improve a ton ore deposit cogeneration figureofmerit.
As preferably, the present invention further technical scheme is:
Inside the inside and outside annular facade of described gas skirt body, being respectively provided with two set pulley tracks, often set pulley track has upper and lower two slide rails, and inside inside and outside annular facade, four corresponding slide rails are arranged symmetrically；Described subregion baffle plate is slidably mounted on described four slide rail by the pulley being arranged on its four angles, and subregion baffle plate arranges two pieces, be respectively used to stripper loop cold hot waste gas warm area high, middle and in, low-temperature space.
Being connected by movable axis between described subregion baffle plate and described flexible steel brush, flexible steel brush can be with arbitrarily angled swing.
Accompanying drawing explanation
Fig. 1 is the cooling of central cooler sintering deposit and hot waste gas extraction process schematic；
Fig. 2 is the schematic diagram of the embodiment of the present invention；
In figure, 1-enters ore deposit；2-sintering deposit；3-gas skirt body；4-high-temperature region；Warm area in 5-；6-diffuses district；7-subregion baffle plate；8-slide rail；9-flexibility steel brush；10-gas skirt seals；11-ore removal；12-grate；13-pulley；14-movable axis.
Detailed description of the invention
The present invention is further elaborated below in conjunction with the accompanying drawings, but embodiment does not constitute any restriction to the present invention.
Seeing Fig. 1, when sintering machine produces, sintering deposit 2, by entering after ore deposit 1 enters central cooler, rotates with chassis；Sintering circular-cooler lower disposed has air blast, air blast to make cooling wind be forced through material ore bed by grate 12, carries out gas-solid heat exchange, cools down sintering deposit 2, produces hot waste gas.Central cooler top arranges gas skirt, gas skirt bottom arranges gas skirt and seals 10, collects the hot waste gas that central cooler is discharged, and in high-temperature region 4, heatrejection reaches 330～430 DEG C, in middle warm area 5, heatrejection reaches 200～300 DEG C, and the hot waste gas sensible heat that twoth district collect can reclaim generating by step；Sintering deposit 2 after cooling, after finished product sieves, is transported to blast furnace by ore removal 11.
Seeing Fig. 1 and Fig. 2, inside the inside and outside annular facade of gas skirt body 3, be respectively provided with two set pulley tracks, often set pulley track has upper and lower two slide rails 8, and inside inside and outside annular facade, four corresponding slide rails 8 are arranged symmetrically；It is symmetrically installed identical four pulley 13 on 7 four angles of subregion baffle plate, and is slidably mounted on four slide rails 8 by the pulley 13 on four angles；Subregion baffle plate 7 arranges two pieces, be respectively used to stripper loop cold hot waste gas warm area high, middle and in, low-temperature space；The bottom margin of subregion baffle plate 7 passes through movable axis 14 equipped with flexible steel brush 9, flexible steel brush 9 bottom is in close contact with sintering deposit 2 charge level, movable axis 14 makes the flexible steel brush 9 can be with arbitrarily angled swing, reduce flexible steel brush 9 and swing the frictional resistance produced with the sintering deposit bed of material, improve the service life of device.
Subregion baffle plate 7 enters ore deposit amount and the change of parameter, automatic position adjusting function under pulley 13 drives along with sintering deposit.Under normal production scenarios, when sintering deposit heatrejection is higher, time to carry heat more, subregion baffle plate 7 is moved by low-temperature space direction in pulley 13 band trend, regulates each district heatrejection and flow.The hot waste gas of different temperatures is kept apart by subregion baffle plate 7, makes hot waste gas subregion to greatest extent reclaim.
Flexible steel brush 9 contacts with sintering deposit bed of material surface, moves with sintering deposit bed of material surface and rubs with it, absorbs the magnetic mineral fine in sintering deposit, is attached to flexible steel brush 9 surface.Due to the indefinite form of flexible steel brush 9 itself, can realize sealing closely between flexible steel brush 9 and sintering deposit 2, make height, neutralization low-temperature space not alter wind, improve central cooler hot waste gas entirety grade.
Above-described embodiment is only explanation for example to the present invention.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (3)
1. movable sealing partitioning device in a sintering circular-cooler gas skirt, including gas skirt body, subregion baffle plate, it is characterized in that, described gas skirt body interior, corresponding central cooler hot waste gas warm area intersection high, middle and in, low-temperature space intersection, being respectively provided with position adjustable packaged type subregion baffle plate, described subregion baffle bottom edge is in close contact with sintering deposit charge level equipped with flexible steel brush, described flexible steel brush bottom.
Movable sealing partitioning device in sintering circular-cooler gas skirt the most according to claim 1, it is characterized in that, inside the inside and outside annular facade of described gas skirt body, it is respectively provided with two set pulley tracks, often set pulley track has upper and lower two slide rails, and inside inside and outside annular facade, four corresponding slide rails are arranged symmetrically；Described subregion baffle plate is slidably mounted on described four slide rail by the pulley being arranged on its four angles, and subregion baffle plate arranges two pieces, be respectively used to stripper loop cold hot waste gas warm area high, middle and in, low-temperature space.
Movable sealing partitioning device in sintering circular-cooler gas skirt the most according to claim 1, it is characterised in that connected by movable axis between described subregion baffle plate and described flexible steel brush, flexible steel brush can be with arbitrarily angled swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303662.0A CN104864731B (en) | 2015-06-07 | 2015-06-07 | Movable sealing partitioning device in sintering circular-cooler gas skirt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303662.0A CN104864731B (en) | 2015-06-07 | 2015-06-07 | Movable sealing partitioning device in sintering circular-cooler gas skirt |
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| Publication Number | Publication Date |
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| CN104864731A CN104864731A (en) | 2015-08-26 |
| CN104864731B true CN104864731B (en) | 2016-08-17 |
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| CN201510303662.0A Expired - Fee Related CN104864731B (en) | 2015-06-07 | 2015-06-07 | Movable sealing partitioning device in sintering circular-cooler gas skirt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107775938A (en) * | 2016-08-31 | 2018-03-09 | 和则宏（天津）新型建材有限公司 | High-temperature residual heat reclaiming type tubing cooling system with tubing aligning function |
| JP6816250B2 (en) * | 2017-02-27 | 2021-01-20 | スチールプランテック株式会社 | Sintering machine for sinter |
| CN107677130B (en) * | 2017-11-09 | 2024-01-30 | 马鞍山钢铁股份有限公司 | Flow guide sealing cover for spraying combustible gas in sintering process |
| CN111578728B (en) * | 2020-05-26 | 2022-06-17 | 德龙钢铁有限公司 | Sintering machine circulation flue gas cover convenient to maintenance |
| CN112048617B (en) * | 2020-09-08 | 2021-08-31 | 中南大学 | Liquid-gas two-phase medium coupling partition blowing sintering method and blowing device |
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| SU1004481A1 (en) * | 1981-02-10 | 1983-03-15 | Коммунарский горно-металлургический институт | Chamber for admitting compressed air to sintered layer of agglomeration bath |
| CN202177314U (en) * | 2011-08-04 | 2012-03-28 | 中冶北方工程技术有限公司 | Upper cover sealing device of annular cooler |
| CN203784285U (en) * | 2014-04-11 | 2014-08-20 | 凌义德 | Magnetic flexible steel wire brush sealing device |
| CN204346161U (en) * | 2014-12-15 | 2015-05-20 | 胡彤 | Flexible steel brush sealing seamless connecting apparatus |
| CN204665949U (en) * | 2015-06-07 | 2015-09-23 | 华北理工大学 | Movable sealing partitioning device in sintering circular-cooler gas skirt |
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