CN107702546A - A kind of sintering deposit continuous cooling system - Google Patents
A kind of sintering deposit continuous cooling system Download PDFInfo
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- CN107702546A CN107702546A CN201711054674.XA CN201711054674A CN107702546A CN 107702546 A CN107702546 A CN 107702546A CN 201711054674 A CN201711054674 A CN 201711054674A CN 107702546 A CN107702546 A CN 107702546A
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- cooling system
- cold type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The present invention relates to a kind of sintering deposit continuous cooling system, including band cold type sintered ore cooling system and vertical furnace type sintered ore cooling system；Band cold type sintered ore cooling system is made up of band cold type high warm ore deposit continuous conveyor, air cooling system and waste-heat recovery device；Vertical furnace type sintered ore cooling system includes vertical cooling furnace, circulation air path, circulating fan, waste heat boiler and generating set；The high warm ore deposit continuous conveyor of band cold type is arranged between exhausting continuous pallettype sintering machine and vertical cooling furnace, the high warm ore deposit continuous conveying drive end unit delivery end of band cold type sets tripper, tripper is provided with 2 discharging chutes, the discharging opening of one of discharging chute is located at the surface of vertical cooling furnace charging aperture, and the discharging opening of another discharging chute is located at the surface of cold ore deposit conveyer；Flap valve is set above 2 discharging chutes.2 sets of cooling systems of the present invention share the high warm ore deposit continuous conveyor of band cold type, and can switch between 2 kinds of mode of operations；Equipment operation rate is improved, saves construction investment.
Description
Technical field
The present invention relates to heat sinter cooling technology field, more particularly to a kind of sintering deposit continuous cooling system.
Background technology
In early days, the cooling of heat sinter typically uses blowing-type ring cold or with cold technique (such as Application No.
In " low emission sintered ore cooling system ", Application No. 200710061470.9 disclosed in 201220201970 Chinese patent
" a kind of all-sealing circulating cooling machine for clinker production " disclosed in state's patent), because blowing-type ring is cold or heat with cold technique is returned
Rate of producing effects and Environmental Protection Level are relatively low, and relatively advanced vertical furnace type sintered ore cooling system (such as Application No. occurs in the later stage
201510625883.X Chinese patent disclosed in " sintering mine sensible heat retracting device and its application method ").
Sintering deposit manufacturing enterprise is frequently with the main body work for cooling down vertical furnace type sintered ore cooling system as sintering deposit at present
Process system, using blowing-type ring it is cold or with cooling system as in a manner of back-up system.
The Chinese patent of Application No. 201310127743.0 discloses a kind of " stove formula cooling sintering deposit waste heat high efficiente callback
Mineral aggregate system ", it sets take-off valve below the single roll crusher at sintering machine ore removal end, and take-off valve is arranged at ring cooling system blanking
Chute and the junction of stove formula cooling system feeding chute upper end, take-off valve can be in ring cooling system feeding chute and stove formula cooling system
Switch between system feeding chute；Two kinds of cooling systems are standby each other, improve sintered ore cooling system running rate.
Application No. 201610051600.X Chinese patent discloses " a kind of high temperature sinter method for fetching and its feeding
Device ", feeding chute and material acceptance glide chute are set respectively in the bottom of hot ore deposit warehouse and side wall, high temperature sintering mineral aggregate, which preferentially slips into, to be taken
Expect chute, the entrance height by material acceptance glide chute and feeding chute is poor, is inserted by the aciculiform for inserting or pull out feeding chute end
Plate valve, control high temperature mineral aggregate switch immediately between central cooler and vertical cooler.
The Chinese patent of Application No. 201320185417.0 discloses a kind of " high temperature sinter transporter ", and single roller is broken
Have flap valve below broken machine, the bottom of flap valve be arranged at ring it is cold/band cooling system feeding chute and stove formula cooling system blanking
The junction of chute, flap valve can it is cold in ring/band cooling system feeding chute and stove formula cooling system feeding chute between switch.
Although above-mentioned technical proposal all realizes the mesh for improving sintering machine running rate and ensureing sintering deposit continuous and stable production
, but ring it is cold/band cooling system only can just be enabled in stove formula cooling system failure or annual overhaul, year operating rate be only about 7%
Left and right, equipment cold conditions standby time is long, causes the serious waste of resource.
The content of the invention
The invention provides a kind of sintering deposit continuous cooling system, configures 2 sets of sintered ore cooling systems of belt and vertical furnace type,
2 sets of systems share the high warm ore deposit continuous conveyor of band cold type in belt sintering ore deposit cooling system, and can be between 2 kinds of mode of operations
Switching；Equipment operation rate is improved, saves construction investment, realizes the maximization of the utilization of resources.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of sintering deposit continuous cooling system, including band cold type sintered ore cooling system and vertical furnace type sintering deposit cooling system
System；The band cold type sintered ore cooling system is by band cold type high warm ore deposit continuous conveyor, air cooling system and waste-heat recovery device
Composition；The vertical furnace type sintered ore cooling system includes vertical cooling furnace, circulation air path, circulating fan, waste heat boiler and generating
Unit；The high warm ore deposit continuous conveyor of band cold type is arranged between exhausting continuous pallettype sintering machine and vertical cooling furnace, band cold type high temperature
Hot ore deposit continuous conveying drive end unit delivery end sets tripper, and tripper is provided with 2 discharging chutes, the discharging of one of discharging chute
Mouthful be located at the surface of vertical cooling furnace its top feed mouth, the discharging opening of another discharging chute be located at cold ore deposit conveyer just on
Side；Flap valve is set above 2 discharging chutes.
The high-temperature gas outlet of the vertical cooling furnace connects the high-temperature gas entrance of waste heat boiler by circulation air path, remaining
The steam inlet of the steam (vapor) outlet connection steam turbine of heat boiler, steam turbine connect generator in addition；The gas vent of waste heat boiler
Connect the circulating cooling wind entrance of vertical cooling furnace；Dust arrester and circulating fan are additionally provided with circulation air path.
The monomer dolly to be linked together with the high warm ore deposit continuous conveyor of cold type by drive device and multiple head and the tail
Composition, monomer dolly are driven by drive device, and the small car bottom of monomer sets grid section or grid section plate.
The air cooling system is made up of dust cover, exhausting bobbin carriage, exhausting supervisor, loopback supervisor；Dust cover is high along band cold type
Warm the material carriage direction covering entirely high warm ore deposit continuous conveyor of band cold type, and in band cold type high temperature of ore deposit continuous conveyor
The afterbody delivery end of hot ore deposit continuous conveyor is covered in the top of tripper；It is continuous that exhausting bobbin carriage is arranged on the high warm ore deposit of band cold type
The lower section in the material containing face of conveyer, exhaust column lower box part, which is uniformly arranged, sets multiple exhausting branch pipes；Exhausting branch pipe passes through convergence tube
Supervisor connects with exhausting；Exhausting supervisor connects waste-heat recovery device in addition；One end of loopback supervisor is connected with waste-heat recovery device
Connecing, other end edge is arranged on the top of dust cover with the high warm ore deposit continuous conveyor material carriage direction of cold type, and by multiple
Loopback branch pipe connects with dust cover.
The waste-heat recovery device includes deduster, heat exchanger and the blower fan being sequentially connected by hot air duct, warm-air pipe
One end connection exhausting supervisor in road, other end connection loopback supervisor.
2 discharging chutes of the tripper by hopper and located at hopper bottom form, the discharging of 2 discharging chutes
Mouth extends obliquely out the lower section both sides of hopper respectively, and 2 discharging chutes are not less than 40 ° with horizontal angle.
Compared with prior art, the beneficial effects of the invention are as follows：
1) both used with the high warm ore deposit continuous conveyor of cold type as the main equipment with cold type sintered ore cooling system, again
Transporting equipment as heat sinter in vertical furnace type sintered ore cooling system uses, and realizes a tractor serves several purposes, improves equipment work
Industry rate, avoid resources idle waste；
2) realize based on vertical furnace type sintered ore cooling system, belt sintering ore deposit cooling system is as standby dual system
Overall process produces, and the reliability of sintered ore cooling system is significantly increased；
3) sintered ore cooling system uses 2 kinds of mode of operations, and easy switching, mobility are stronger；
4) after equipment shares, integral layout is more reasonable, and floor space reduces.
Brief description of the drawings
Fig. 1 is a kind of structural representation of sintering deposit continuous cooling system of the present invention.
In figure：1. exhausting continuous pallettype sintering machine 2. is with the discharging chute of 3. hopper of the high warm ore deposit continuous conveyor of cold type 4.
5. 6. vertical furnace type sintered ore cooling system of the flap valve 61. vertical waste heat boiler of 62. dust arrester of cooling furnace 63. and generator
The exhausting of 9. convergence tube of group 64. circulating fan, 7. exhausting bobbin carriage, 8. exhausting branch pipe 10. is responsible for 11. waste-heat recovery devices 12.
13. dust cover, 14. loopback branch pipe, 15. cold ore deposit conveyer is responsible in loopback
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of sintering deposit continuous cooling system of the present invention, including band cold type sintered ore cooling system and
Vertical furnace type sintered ore cooling system 6；The band cold type sintered ore cooling system is by the high warm ore deposit continuous conveyor 2 of band cold type, wind
Cooling system and waste-heat recovery device 11 form；The vertical furnace type sintered ore cooling system 6 includes vertical cooling furnace 61, circulated air
Road, circulating fan 64, waste heat boiler and generating set 63；The high warm ore deposit continuous conveyor 2 of band cold type is arranged on exhausting belt burning
Between knot machine 1 and vertical cooling furnace 61, the high afterbody delivery end of warm ore deposit continuous conveyor 2 of band cold type sets tripper, and tripper is set
There are 2 discharging chutes 4, the discharging opening of one of discharging chute 4 is located at the surface of the vertical its top feed mouth of cooling furnace 61, separately
The discharging opening of one discharging chute 4 is located at the surface of cold ore deposit conveyer 15；The top of 2 discharging chutes 4 sets flap valve 5.
The high-temperature gas outlet of the vertical cooling furnace 61 connects the high-temperature gas entrance of waste heat boiler by circulation air path,
The steam inlet of the steam (vapor) outlet connection steam turbine of waste heat boiler, steam turbine connect generator in addition；The gas of waste heat boiler goes out
Mouth connects the circulating cooling wind entrance of vertical cooling furnace 61；Dust arrester 62 and circulating fan 64 are additionally provided with circulation air path.
The monomer dolly to be linked together with the high warm ore deposit continuous conveyor 2 of cold type by drive device and multiple head and the tail
Composition, monomer dolly are driven by drive device, and the small car bottom of monomer sets grid section or grid section plate.
The air cooling system is made up of dust cover 13, exhausting bobbin carriage 7, exhausting supervisor 10, loopback supervisor 12；The edge of dust cover 13
The high warm ore deposit continuous conveyor 2 of the whole band cold type of material carriage direction covering with the high warm ore deposit continuous conveyor 2 of cold type, and
Afterbody delivery end with the high warm ore deposit continuous conveyor 2 of cold type is covered in the top of tripper；Exhausting bobbin carriage 7 is arranged on band cold type
The lower section in the material containing face of high warm ore deposit continuous conveyor 2, the bottom of exhausting bobbin carriage 7, which is uniformly arranged, sets multiple pipes of exhausting branch 8；Exhausting
Branch pipe 8 is connected by convergence tube 9 with exhausting supervisor 10；Exhausting supervisor 10 connects waste-heat recovery device 11 in addition；Loopback supervisor 12
One end be connected with waste-heat recovery device 11, the other end is set along the high material carriage direction of warm ore deposit continuous conveyor 2 of band cold type
Put in the top of dust cover 13, and connected by multiple loopback branch pipes 14 with dust cover 13.
The waste-heat recovery device 11 includes deduster, heat exchanger and the blower fan being sequentially connected by hot air duct, hot blast
One end connection exhausting supervisor 10 of pipeline, other end connection loopback supervisor 12.
2 discharging chutes 4 of the tripper by hopper 3 and located at the bottom of hopper 3 form, 2 discharging chutes 4
Discharging opening extends obliquely out the lower section both sides of hopper 3 respectively, and 2 discharging chutes 4 are not less than with horizontal angle
40°。
A kind of sintering deposit continuous cooling method of the present invention, belt sintering ore deposit cooling system and vertical furnace type sintering deposit is cold
But system 6 is combined, and the continuous high-efficient cooling and waste heat recovery of heat sinter are realized using following 2 kinds of patterns：
1) normal mode of operation：
The cooling and waste heat recovery of heat sinter are realized under the pattern using vertical furnace type sintered ore cooling system 6；Belt is burnt
Knot ore deposit cooling system is in stand-by state；The high warm ore deposit continuous conveyor 2 of band cold type in belt sintering ore deposit cooling system is simultaneously
As the heat sinter conveying device of vertical furnace type sintered ore cooling system 6, now with the high warm ore deposit continuous conveyor 2 of cold type
Air cooling system is not run, and only plays material conveying；
Heat sinter from exhausting continuous pallettype sintering machine 1 is transported to tripper by the high warm ore deposit continuous conveyor 2 of band cold type,
Tripper is provided with 2 discharging chutes 4, and its corresponding discharging opening is respectively positioned at cold ore deposit conveyer 15 and the surface of vertical cooling furnace；
The top of discharging chute 4 sets flap valve 5, and heat sinter is fitted into vertical cooling furnace；In vertical cooling furnace, heat sinter with it is cold
But fully exchanged heat and cooled down with recyclegas, the recyclegas for absorbing heat produces high-temperature steam using waste heat boiler, makes
The heat of heat sinter obtains high efficiente callback；The high top of warm ore deposit continuous conveyor 2 of band cold type is set up defences dust hood 13, with dust cover
Under the 13 dust arrester effects being connected, caused airborne dust is effectively controlled and purified in heat sinter transport process；
2) maintenance or fault mode：
It is vertical in vertical furnace type sintering ore cooling device 6 when vertical furnace type sintered ore cooling system 6 is overhauled or broken down
Cooling furnace 61, dust arrester 62, waste heat boiler and generating set 63 are out of service, and belt sintering ore deposit cooling system brings into operation；
Now, the high warm ore deposit continuous conveyor 2 of band cold type continues to run with, and opens air cooling system, by from waste-heat recovery device 11
Cryogenic gas is sent under the dynamic action that waste-heat recovery device 11 provides with dust-proof on the high warm ore deposit continuous conveyor 2 of cold type
In cover 13, through the heat sinter bed of material, the sensible heat of heat sinter is absorbed, hot blast is sent to waste-heat recovery device 11, carried
Heat effectively reclaims；Enter tripper in the afterbody with the high warm ore deposit continuous conveyor 2 of cold type through overcooled sintering deposit, going out
Cold ore deposit conveyer 15 is drained under the cooperation guiding function of material chute 4 and flap valve 5.
When vertical furnace type sintered ore cooling system 6 terminates maintenance or fixed a breakdown, operational mode is switched to again normal
Mode of operation.
Belt sintering ore deposit cooling system uses the circulatory system, and has certain closure, can prevent high-temp waste gas to
Outer loss；When it runs, exhausting bobbin carriage 7 starts carries out exhausting cooling, caused hot waste gas to the heat sinter on monomer dolly
It is collected into through exhausting branch pipe 8, convergence tube 9 in exhausting supervisor 10, is then fed into waste-heat recovery device 11 and reclaims heat therein；It is remaining
Heat reclamation device 11 provides power and returns to the waste gas to cool after recovery heat by loopback supervisor 12 and loopback branch pipe 14 simultaneously
Recycled in dust cover 13 above heat sinter.
Vertical furnace type sintered ore cooling system 6 is closed-cycle system, and gas is in the presence of circulating fan in internal system
Circulation, hot gas enter waste heat boiler and produce the generating of steam drawing generator, and the gas after cooling reenters vertical cooling furnace and made
Used for cooling gas.
Tripper goes to vertical cooling furnace (heat sinter) by the opening and closing guiding sintering deposit of corresponding flap valve 5 or cold ore deposit is defeated
Send machine 15 (sintering deposit after cooling).
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of sintering deposit continuous cooling system, including band cold type sintered ore cooling system and vertical furnace type sintered ore cooling system；
Characterized in that, the band cold type sintered ore cooling system is by band cold type high warm ore deposit continuous conveyor, air cooling system and waste heat
Retracting device forms；The vertical furnace type sintered ore cooling system includes vertical cooling furnace, circulation air path, circulating fan, waste heat pot
Stove and generating set；The high warm ore deposit continuous conveyor of band cold type is arranged between exhausting continuous pallettype sintering machine and vertical cooling furnace, band
The high warm ore deposit continuous conveying drive end unit delivery end of cold type sets tripper, and tripper is provided with 2 discharging chutes, and one of discharging is slipped
The discharging opening of groove is located at the surface of vertical cooling furnace its top feed mouth, and the discharging opening of another discharging chute is located at the conveying of cold ore deposit
The surface of machine；Flap valve is set above 2 discharging chutes.
A kind of 2. sintering deposit continuous cooling system according to claim 1, it is characterised in that the height of the vertical cooling furnace
Warm gas vent connects the high-temperature gas entrance of waste heat boiler, the steam (vapor) outlet connection steam turbine of waste heat boiler by circulation air path
Steam inlet, steam turbine connects generator in addition；The gas vent of waste heat boiler connects the circulating cooling wind of vertical cooling furnace
Entrance；Dust arrester and circulating fan are additionally provided with circulation air path.
A kind of 3. sintering deposit continuous cooling system according to claim 1, it is characterised in that the high warm ore deposit of the band cold type
The monomer dolly that continuous conveyor is linked together by drive device and multiple head and the tail is formed, and monomer dolly is driven by drive device
Dynamic, the small car bottom of monomer sets grid section or grid section plate.
4. a kind of sintering deposit continuous cooling system according to claim 1, it is characterised in that the air cooling system is by dust-proof
Cover, exhausting bobbin carriage, exhausting supervisor, loopback supervisor's composition；Dust cover transports along the material with the high warm ore deposit continuous conveyor of cold type
The direction covering entirely high warm ore deposit continuous conveyor of band cold type, and in the afterbody delivery end with the high warm ore deposit continuous conveyor of cold type
It is covered in the top of tripper；Exhausting bobbin carriage is arranged on the lower section in the material containing face with the high warm ore deposit continuous conveyor of cold type, exhausting
Bobbin carriage bottom, which is uniformly arranged, sets multiple exhausting branch pipes；Exhausting branch pipe is connected by convergence tube with exhausting supervisor；Exhausting supervisor is another
Outer connection waste-heat recovery device；One end of loopback supervisor is connected with waste-heat recovery device, and the other end warms ore deposit along band cold type is high
Continuous conveyor material carriage direction is arranged on the top of dust cover, and is connected by multiple loopback branch pipes with dust cover.
A kind of 5. sintering deposit continuous cooling system according to claim 1 or 4, it is characterised in that the waste heat recovery dress
Deduster, heat exchanger and blower fan including being sequentially connected by hot air duct are put, one end connection exhausting of hot air duct is responsible for, separately
One end connection loopback supervisor.
A kind of 6. sintering deposit continuous cooling system according to claim 1 or 4, it is characterised in that the tripper by by
Hopper and 2 discharging chutes composition located at hopper bottom, the discharging opening of 2 discharging chutes extend obliquely out hopper respectively
Lower section both sides, and 2 discharging chutes are not less than 40 ° with horizontal angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711054674.XA CN107702546B (en) | 2017-11-01 | 2017-11-01 | Sinter continuous cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711054674.XA CN107702546B (en) | 2017-11-01 | 2017-11-01 | Sinter continuous cooling system |
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| CN107702546A true CN107702546A (en) | 2018-02-16 |
| CN107702546B CN107702546B (en) | 2023-09-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317865A (en) * | 2018-04-11 | 2018-07-24 | 北京艾瑞机械有限公司 | High-temperature material waste heat recovery station system and recovery method |
| CN113295011A (en) * | 2021-01-05 | 2021-08-24 | 中冶长天国际工程有限责任公司 | Sintering two-stage cooling waste heat recovery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108317865A (en) * | 2018-04-11 | 2018-07-24 | 北京艾瑞机械有限公司 | High-temperature material waste heat recovery station system and recovery method |
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| CN113295011A (en) * | 2021-01-05 | 2021-08-24 | 中冶长天国际工程有限责任公司 | Sintering two-stage cooling waste heat recovery system |
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| CN107702546B (en) | 2023-09-15 |
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