CN104864731A - Movable sealing partitioning device inside sintering circular cooler gas collecting hood - Google Patents
Movable sealing partitioning device inside sintering circular cooler gas collecting hood Download PDFInfo
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- CN104864731A CN104864731A CN201510303662.0A CN201510303662A CN104864731A CN 104864731 A CN104864731 A CN 104864731A CN 201510303662 A CN201510303662 A CN 201510303662A CN 104864731 A CN104864731 A CN 104864731A
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- flexible steel
- baffle plate
- movable sealing
- exhaust gas
- circular cooler
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Abstract
The invention relates to a movable sealing partitioning device inside a sintering circular cooler gas collecting hood. The movable sealing partitioning device efficiently recycles high and intermediate temperature hot exhaust gas of a circular cooler. The movable sealing partitioning device comprises a gas collecting hood body and partitioning baffles. The movable partitioning baffles with the adjustable positions are installed at the portions, corresponding to the junction of high and intermediate temperature areas of hot exhaust gas of the circular cooler and the junction of intermediate and low temperature areas of hot exhaust gas of the circular cooler, inside the gas collecting hood body. A flexible steel brush is installed on the edge of the bottom of each partitioning baffle. The lower portions of the flexible steel brushes make tight contact with a sintered ore charge level. The positions of the partitioning baffles can be adjusted according to sintered ore parameter changes, magnetic fine ore in the sintered ore is absorbed through the flexible steel brushes, the flexible steel brushes make contact with the surface of the sintered ore charge level in a trolley, and the sealing effect is improved; accordingly, hot exhaust gas in the high temperature area and hot exhaust gas in the intermediate temperature area are recycled by the circular cooler and dynamically recycled respectively, the phenomenon that the exhaust gases of different temperatures are mixed is avoided, the residual heat source grade and the residual heat resource recycling rate are improved, and the proportions of sensible heat recycling of sintered ore at high, intermediate and low temperature areas are reasonably distributed, so that gradient utilization of hot exhaust gas is achieved.
Description
Technical field
The present invention relates to sintering mine sensible heat high efficiente callback device, specifically active partition sealing device in a kind of sintering circular-cooler gas skirt reclaimed by warm for central cooler senior middle school exhaust-gas efficient.
Background technology
In steel manufacture process, sintering circular-cooler waste heat has obtained increasing utilization.But due to the own characteristic of central cooler revolution operation and the rough of central cooler processing, central cooler sealing has become the bottleneck improving the residual heat resources rate of recovery further.Sintering circular-cooler sealing is generally divided into the subregion baffle plate in the sealing of upper-part centralized gas hood, the sealing of bottom bellows and central cooler body between high, normal, basic warm waste gas.At present, upper-part centralized gas hood seals, and adopts the sealing of metal sealing, super heated rubber and water-stop etc. both at home and abroad, the general sealing means adopting Double-layer flexible refractory seals rubber of bottom bellows sealing, technology relative maturity more.But subregion baffle design is unreasonable in central cooler body, senior middle school's warm area string wind is serious, causes senior middle school's low temperature sintering deposit hot waste gas in the mutual blending of 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 cold sealing plate of central cooler 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 all reclaimed by high temperature section communicating pipe and is directly used in cogeneration.Although this method improves utilization rate of waste heat, middle low temperature waste gas is by reclaiming after communicating pipe mixing, and reduce waste heat grade, sintering waste heat is not fully used.
Therefore, how improving 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 there is report proposition that movable sealing partitioning device in sintering circular-cooler gas skirt is set, improve sintering waste heat source grade.
Summary of the invention
The present invention is intended to solve the central cooler body interior string wind problem existed in prior art, and a kind of change adapting to operating condition of sintering machine is provided, dynamic partition and step recovery are realized to the warm waste gas of senior middle school, movable sealing partitioning device in the sintering circular-cooler gas skirt of raising ton sintering deposit cogeneration amount.
The technical scheme that the present invention solves the employing of described problem is:
Movable sealing partitioning device in a kind of sintering circular-cooler gas skirt, comprise gas skirt body, subregion baffle plate, described gas skirt body interior, corresponding high, the middle warm area intersection of central cooler hot waste gas and in, low-temperature space intersection, the packaged type subregion baffle plate that position is adjustable is housed respectively, described subregion baffle plate bottom margin is equipped with flexible steel brush, described flexible steel brush bottom and sintering deposit charge level close contact.
Adopt the present invention of technique scheme, compared with prior art, have the following advantages and outstanding 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, with sintering deposit bed of material surface contact in chassis, improve sealing effectiveness; Thus the high temperature reclaimed by central cooler and middle warm area hot waste gas dynamically reclaim respectively, 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, two cover pulley tracks are housed respectively, often overlapping pulley track has upper and lower two slide rails, and four slide rails corresponding inside inside and outside annular facade are arranged symmetrically; Described subregion baffle plate is slidably mounted on four described slide rails by the pulley be arranged on its four angles, and subregion baffle plate arranges two pieces, be respectively used to high, the middle warm area of stripper loop cold hot waste gas and in, low-temperature space.
Connected by movable axis between described subregion baffle plate and described flexible steel brush, flexible steel brush can with arbitrarily angled swing.
Accompanying drawing explanation
Fig. 1 is the cooling of central cooler sintering deposit and hot waste gas leaching process schematic diagram;
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; The flexible steel brush of 9-; 10-gas skirt seals; 11-ore removal; 12-grate; 13-pulley; 14-movable axis.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated, but embodiment does not form any restriction to the present invention.
See Fig. 1, when sintering machine is produced, sintering deposit 2, by entering after ore deposit 1 enters central cooler, rotates with chassis; Sintering circular-cooler lower disposed has air blast, and air blast makes cooling air be forced through material ore bed by grate 12, carries out gas-solid heat exchange, and cooling sintering deposit 2, produces hot waste gas.Central cooler top arranges gas skirt, gas skirt bottom arranges gas skirt sealing 10, the hot waste gas that collecting ring cold 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; Cooled sintering deposit 2, after finished product screening, transports blast furnace to by ore removal 11.
See Fig. 1 and Fig. 2, inside the inside and outside annular facade of gas skirt body 3, two cover pulley tracks are housed respectively, often overlapping pulley track has upper and lower two slide rails 8, and four slide rails 8 corresponding inside inside and outside annular facade are arranged symmetrically; Four pulleys 13 that on subregion baffle plate 7 four angles, symmetrical installation is identical, and be 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 high, the middle warm area of stripper loop cold hot waste gas and in, low-temperature space; The bottom margin of subregion baffle plate 7 is equipped with flexible steel brush 9 by movable axis 14, flexible steel brush 9 bottom and sintering deposit 2 charge level close contact, movable axis 14 makes flexible steel brush 9 can 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, carry heat more time, subregion baffle plate 7 is with low-temperature space direction in trend to move by pulley 13, 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 recovery to greatest extent.
Flexible steel brush 9 and sintering deposit bed of material surface contact, rub with it with sintering deposit bed of material surface is mobile, absorb the magnetic mineral fine in sintering deposit, be 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, in and low-temperature space do not alter wind, improve the overall grade of central cooler hot waste gas.
Above-described embodiment is only to the present invention's explanation for example.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (3)
1. movable sealing partitioning device in a sintering circular-cooler gas skirt, comprise gas skirt body, subregion baffle plate, it is characterized in that, described gas skirt body interior, corresponding high, the middle warm area intersection of central cooler hot waste gas and in, low-temperature space intersection, the packaged type subregion baffle plate that position is adjustable is housed respectively, and described subregion baffle plate bottom margin is equipped with flexible steel brush, described flexible steel brush bottom and sintering deposit charge level close contact.
2. movable sealing partitioning device in sintering circular-cooler gas skirt according to claim 1, it is characterized in that, inside the inside and outside annular facade of described gas skirt body, two cover pulley tracks are housed respectively, often overlap pulley track and have upper and lower two slide rails, four slide rails corresponding inside inside and outside annular facade are arranged symmetrically; Described subregion baffle plate is slidably mounted on four described slide rails by the pulley be arranged on its four angles, and subregion baffle plate arranges two pieces, be respectively used to high, the middle warm area of stripper loop cold hot waste gas and in, low-temperature space.
3. movable sealing partitioning device in sintering circular-cooler gas skirt according to claim 1, is characterized in that, is connected between described subregion baffle plate and described flexible steel brush by movable axis, and flexible steel brush can 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
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| CN104864731A true CN104864731A (en) | 2015-08-26 |
| CN104864731B CN104864731B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677130A (en) * | 2017-11-09 | 2018-02-09 | 马鞍山钢铁股份有限公司 | A kind of sintering process spray plus the stream guidance sealing cover of imflammable gas |
| 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 |
| TWI661169B (en) * | 2017-02-27 | 2019-06-01 | 日商製鐵設備技術股份有限公司 | Sintering machine |
| CN111578728A (en) * | 2020-05-26 | 2020-08-25 | 德龙钢铁有限公司 | Sintering machine circulation flue gas cover convenient to maintenance |
| CN112048617A (en) * | 2020-09-08 | 2020-12-08 | 中南大学 | Liquid-gas two-phase medium coupling partition blowing sintering method and blowing device |
Citations (5)
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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 |
-
2015
- 2015-06-07 CN CN201510303662.0A patent/CN104864731B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI661169B (en) * | 2017-02-27 | 2019-06-01 | 日商製鐵設備技術股份有限公司 | Sintering machine |
| CN107677130A (en) * | 2017-11-09 | 2018-02-09 | 马鞍山钢铁股份有限公司 | A kind of sintering process spray plus the stream guidance sealing cover of imflammable gas |
| 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 |
| CN111578728A (en) * | 2020-05-26 | 2020-08-25 | 德龙钢铁有限公司 | Sintering machine circulation flue gas cover convenient to maintenance |
| CN112048617A (en) * | 2020-09-08 | 2020-12-08 | 中南大学 | Liquid-gas two-phase medium coupling partition blowing sintering method and blowing device |
| 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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| Publication number | Publication date |
|---|---|
| CN104864731B (en) | 2016-08-17 |
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Granted publication date: 20160817 Termination date: 20170607 |