CN204665949U - Movable sealing partitioning device in sintering circular-cooler gas skirt - Google Patents

Movable sealing partitioning device in sintering circular-cooler gas skirt Download PDF

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Publication number
CN204665949U
CN204665949U CN201520382527.5U CN201520382527U CN204665949U CN 204665949 U CN204665949 U CN 204665949U CN 201520382527 U CN201520382527 U CN 201520382527U CN 204665949 U CN204665949 U CN 204665949U
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China
Prior art keywords
baffle plate
sintering
gas skirt
subregion baffle
steel brush
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Withdrawn - After Issue
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CN201520382527.5U
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Chinese (zh)
Inventor
赵斌
张玉柱
晁双双
屈婷婷
孙鑫
杨鹤
周震
王亚轩
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North China University of Science and Technology
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North China University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model relates to 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.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, flexible steel brush bottom and sintering deposit charge level close contact.The utility model can regulate subregion baffle position according to sintering deposit Parameters variation, and absorbs the magnetic mineral fine in sintering deposit by flexible steel brush, with sintering deposit bed of material surface contact in chassis, improves 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 senior middle school warm area sintering mine sensible heat reclaims, achieve the cascade utilization of hot waste gas.

Description

Movable sealing partitioning device in sintering circular-cooler gas skirt
Technical field
The utility model 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.
Utility model content
The utility model 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 utility model 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 utility model 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 utility model 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 utility model embodiment;
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 utility model is further elaborated, but embodiment does not form any restriction to the utility model.
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 utility model explanation for example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model 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.
CN201520382527.5U 2015-06-07 2015-06-07 Movable sealing partitioning device in sintering circular-cooler gas skirt Withdrawn - After Issue CN204665949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520382527.5U CN204665949U (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
CN201520382527.5U CN204665949U (en) 2015-06-07 2015-06-07 Movable sealing partitioning device in sintering circular-cooler gas skirt

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104864731A (en) * 2015-06-07 2015-08-26 华北理工大学 Movable sealing partitioning device inside sintering circular cooler gas collecting hood
CN117628920A (en) * 2024-01-25 2024-03-01 山西三水能源股份有限公司 Heat supply equipment for low-temperature heat exchange

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104864731A (en) * 2015-06-07 2015-08-26 华北理工大学 Movable sealing partitioning device inside sintering circular cooler gas collecting hood
CN117628920A (en) * 2024-01-25 2024-03-01 山西三水能源股份有限公司 Heat supply equipment for low-temperature heat exchange
CN117628920B (en) * 2024-01-25 2024-04-05 山西三水能源股份有限公司 Heat supply equipment for low-temperature heat exchange

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150923

Effective date of abandoning: 20160817

C25 Abandonment of patent right or utility model to avoid double patenting