CN207422917U - A kind of sinter highly efficient cooling device - Google Patents
A kind of sinter highly efficient cooling device Download PDFInfo
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- CN207422917U CN207422917U CN201721275193.7U CN201721275193U CN207422917U CN 207422917 U CN207422917 U CN 207422917U CN 201721275193 U CN201721275193 U CN 201721275193U CN 207422917 U CN207422917 U CN 207422917U
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- mineral aggregate
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- cooling furnace
- vertical cooling
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Abstract
The utility model is related to a kind of sinter highly efficient cooling device, including multiple circumferentially equally distributed vertical cooling furnaces；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is equipped with mineral aggregate buffering chamber, and feed opening is connected correspondingly with the feed inlet of vertical cooling furnace, and turning plate valve is set respectively in each guide chute；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace, wherein annular gas collector road is connected with the ring-shaped flue of each vertical cooling furnace, annular steam line is connected with the feeder of each vertical cooling furnace, in addition annular gas collector road connects external smoke processing system, in addition annular steam line connects external supply air system；Annular gas collector road connects mineral aggregate buffering chamber by flue gas balance pipe, sets pressure-regulating valve door on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.The utility model is conducive to improve stove interior sealing effect during cooling, improves cooling efficiency, and can realize on-line maintenance.
Description
Technical field
The utility model is related to sinter cooling technology field more particularly to a kind of high efficiency, miniaturization, flexible operating,
The sinter highly efficient cooling device of mine dust pollution can be reduced.
Background technology
Sintering circuit energy consumption is huge, and second is occupied in steel and iron industry.And sintering mine sensible heat accounts for more than the 40% of overall heat consumption,
How this portion of energy to be utilized to become industry focus of attention.Currently, the cooling of China's sinter and waste heat recovery mainly use
Ring cold machine technology.From practice, this technology has a disadvantage that：1) because non-uniform charging, cause waste heat parameter fluctuation big,
Jeopardize afterheat utilizing system safety；2) system air leakage problem is serious, still can not be from root although taking local water seal measure
It is solved the problems, such as on this, causes thermal efficiency attenuation serious, and the leakage of flue dust inorganization is very big to environmental hazard.
The Chinese patent of Patent No. CN 103234349 discloses " a kind of sinter stove formula cooling heat exchange device ", patent
Number " a kind of sinter furnace type cooling device " is disclosed for the Chinese patent of CN 103234359, had using vertical type cooling device
Effect solves the above problem.However, this device based on dry coke quenching cooling technique is but not suitable for the cooling of sinter.Reason exists
In Dry Quenching is intermittent operation, and coke discharges from a hole carbonization chamber interval of coke oven, is packed into vertical cooling furnace, closes stove
It is cooled down after lid.And the production of sinter, discharge are continous way operation, corresponding heat sinter cooling also will continuously into
Row.Above-mentioned vertical type cooling device uses the cooling furnace of single setting, and sinter is from upper loading, from lower discharge, in sintering mineral resources
Fire door can not close when source is constantly packed into, and can not realize sealing as described herein.Further, since vertical type cooling device
Inside is fire resisting brickwork construction, and sinter hardness is much larger than coke, it is easier to destroy furnace body, need maintenance 2-3 times every year, herein
Period needs to stop sinter production, this can not allow in modern enterprise.
The Chinese patent of Patent No. CN 205940170U discloses " a kind of double vertical sinter cooling furnaces of cooling chamber ",
The Chinese patent of Patent No. 106119537A discloses " a kind of for sinter, the locellus cooling device of pellet ", above-mentioned
Technical solution is used is divided into 2 to multiple structure type by the cooling unit in same vertical heater, realizes the cooling of material locellus
In, the efficiency of raising sinter heat recovery.However, since each cooling chamber is each provided in same furnace body, the section that prestores shares,
Therefore independent control can not be fully achieved, and there are still the problem of shut-down (breakdown) mainteance；Its section that prestores shares, and will not prestore section
It separates.Therefore above-mentioned 2 technical solutions solve only heat exchange homogeneity question, and there is no fundamentally solve vertical cooling furnace to connect
The problem of continuous pan feeding and maintenance.
The content of the invention
The utility model provides a kind of sinter highly efficient cooling device, and using multiple vertical cooling furnaces, alternately charging is realized
The continuous coo1ing of heat sinter, each vertical cooling furnace shares an air supply system and gas gathering system, and can individually control, and is conducive to
Stove interior sealing effect during cooling is improved, cooling efficiency is improved, and can realize on-line maintenance.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of sinter highly efficient cooling device including vertical cooling furnace, sets feed inlet at the top of vertical cooling furnace, bottom is set
Discharge port, vertical cooling furnace internal upper part set ring-shaped flue, and lower part sets feeder；The vertical cooling furnace is multiple, circumferentially
It is uniformly distributed；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is equipped with mineral aggregate buffering chamber,
Feed opening is connected correspondingly by guide chute with the feed inlet of vertical cooling furnace, and flap valve is set respectively in each guide chute
Door；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace circumferential spread, wherein annular gas collector road is stood with each
The ring-shaped flue connection of formula cooling furnace, annular steam line are connected with the feeder of each vertical cooling furnace, annular gas collector road
In addition external smoke processing system is connected, in addition annular steam line connects external supply air system；Annular gas collector road passes through cigarette
Gas balance pipe connects mineral aggregate buffering chamber, sets pressure-regulating valve door on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.
The feed inlet of the mineral aggregate caching distributor connects sintering machine exit chute, mineral aggregate transport by mineral aggregate transporter
Transporter seal closure is set outside machine.
Pan feeding distributor is set below feed inlet in the vertical cooling furnace.
The feeder is arranged on vertical cooling furnace center, is multilayer umbrella gas-supplying structure.
The furnace body of the vertical cooling furnace is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
Air-introduced machine and smoke heat replacing device are set on the pipeline of the external smoke processing system of annular gas collector road connection.
The feeder, pan feeding distributor and mineral aggregate caching distributor are composite construction, and bottom uses stainless steel
Material makes, and surface layer uses high-temperature wearable brick masonry, is connected between bottom and surface layer by fire clay.
The discharge port of the vertical cooling furnace sets rotatory sealing ore discharge device, and belt-conveying is set below rotatory sealing ore discharge device
Machine.
Compared with prior art, the beneficial effects of the utility model are：
1) reasonable in design, sinter exchanges heat, and abundant, heat exchange efficiency is high；Sinter is transported to vertical from sintering machine outlet
The process of cooling furnace is sealing state, can close feed inlet after vertical cooling furnace charging, sinter is being sealed with cooling air
It exchanges heat under environment, there is no air leakage phenomena in operating process, therefore the sensible heat of the sinter air that can fully be cooled is taken away, it is and normal
Rule vertical heater cooling technique, which is compared, substantially increases heat exchange efficiency；
2) multiple vertical cooling furnace independent operations, sealing is more preferable, maintenance is more convenient；Since sintering machine work characteristics is continuous
Pan feeding when charging, continuous discharge, therefore sinter cool down is also continuous；The utility model is handed over by multiple vertical cooling furnaces
For the method for charging, solve the problems, such as contradiction between pan feeding continuity and furnace sealing, it in cooling procedure can be with maximum limit
Degree realizes sealing；
3) external mineral aggregate caching distribution apparatus solves mineral aggregate caching when continuously feeding into multiple vertical cooling furnaces
Problem；
4) operating pressure in mineral aggregate buffering chamber and vertical cooling furnace is adjusted to tiny structure, solves asking for flue dust leakage
Topic.
Description of the drawings
Fig. 1 is a kind of structure diagram of sinter highly efficient cooling device described in the utility model.
Fig. 2 is the distribution schematic diagram of vertical cooling furnace described in the utility model (exemplified by 3).
In figure：1. 2. transporter seal closure of mineral aggregate transporter, 3. mineral aggregate caching distributor, 4. turning plate valve, 5. guide
6. 8. feeder of vertical 7. pan feeding distributor of cooling furnace, 9. ring-shaped flue of chute 10., 11. ring of annular steam line
12. 15. pressure gauge of rotatory sealing ore discharge device 13. belt conveyer, 14. flue gas balance pipe of shape collecting pipe, 16. pressure
Control valve
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of sinter highly efficient cooling device described in the utility model, vertical cold including vertical cooling furnace 6
But the top of stove 6 sets feed inlet, and bottom sets out material mouth, and vertical 6 internal upper part of cooling furnace sets ring-shaped flue 9, and lower part sets feeder
8；The vertical cooling furnace 6 is multiple, is circumferentially uniformly distributed (as shown in Figure 2)；Mineral aggregate caching is set above its distribution center
Distributor 3, mineral aggregate caching distributor 3 are equipped with mineral aggregate buffering chamber, and feed opening passes through guide chute 5 and vertical cooling furnace 6
Feed inlet connect correspondingly, set turning plate valve 4 respectively in each guide chute 5；It is set on the outside of vertical 6 circumferential spread of cooling furnace
Annular gas collector road 11 and annular steam line 10, wherein annular gas collector road 11 and the ring-shaped flue 9 of each vertical cooling furnace 6 connects
It connects, annular steam line 10 is connected with the feeder 8 of each vertical cooling furnace 6, in addition annular gas collector road 11 connects external cigarette
In addition gas processing system, annular steam line 10 connect external supply air system；Annular gas collector road 11 passes through flue gas balance pipe
14 connect mineral aggregate buffering chambers, set pressure-regulating valve door 16 on flue gas balance pipe 14, mineral aggregate buffering chamber sets pressure gauge 15.
The feed inlet of the mineral aggregate caching distributor 3 connects sintering machine exit chute, mineral aggregate fortune by mineral aggregate transporter 1
Transporter seal closure 2 is set outside defeated machine 1.
Pan feeding distributor 7 is set below feed inlet in the vertical cooling furnace 6.
The feeder 8 is arranged on vertical 6 center of cooling furnace, is multilayer umbrella gas-supplying structure.
The furnace body of the vertical cooling furnace 6 is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
The annular gas collector road 11, which connects, sets air-introduced machine and smoke heat replacing device on the pipeline of external smoke processing system.
The feeder 8, pan feeding distributor 7 and mineral aggregate caching distributor 3 are composite construction, and bottom is using stainless
Steel material makes, and surface layer uses high-temperature wearable brick masonry, is connected between bottom and surface layer by fire clay.
The discharge port of the vertical cooling furnace 6 sets rotatory sealing ore discharge device 12, and 12 lower section of rotatory sealing ore discharge device sets belt
Transporter 13.
A kind of technical process of sinter highly efficient cooling device described in the utility model is as follows：
The heat sinter that sintering machine comes out is transported to the mineral aggregate buffering chamber of mineral aggregate caching distributor 3 by mineral aggregate conveyer 1
In, and whole enclosed conveying prevents flue dust from leaking；According to the material position of sinter in each vertical cooling furnace 6 and cooling situation, pass through
The corresponding turning plate valve 4 of control individually feeds respectively into each vertical cooling furnace 6, and each vertical cooling furnace 6 alternately feeds；Material position reaches
Stop charging after technological requirement, and close corresponding turning plate valve 4；Heat sinter is after pan feeding distributor 7 in vertical cooling
It is uniformly distributed in stove 6；
Xun Huan cold air is sent by annular steam line 10 in each vertical cooling furnace 6, and 3 D stereo is carried out through feeder 8
Air-supply, cold air in vertical cooling furnace 6 upward and surrounding flowing, with downlink heat sinter adverse current and cross-flow process
In, abundant, uniform vertical cooling is carried out to it；
Gas after heat exchange is sent to heat transmission equipment after ring-shaped flue 9 collects, by annular gas collector road 11 and exchanges heat, real
The recycling of existing heat；After heat sinter reaches technological temperature requirement after cooling, start corresponding 6 lower section of vertical cooling furnace
Rotatory sealing ore discharge device 12 discharges sinter after cooling, is transported by belt conveyer 13.
When a kind of sinter highly efficient cooling device described in the utility model needs maintenance, each vertical cooling furnace 6 carries out successively,
When one vertical cooling furnace 6 is overhauled, other vertical cooling furnaces 6 work normally.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of sinter highly efficient cooling device including vertical cooling furnace, sets feed inlet at the top of vertical cooling furnace, bottom is set out
Material mouth, vertical cooling furnace internal upper part set ring-shaped flue, and lower part sets feeder；It is characterized in that, the vertical cooling furnace is more
It is a, circumferentially it is uniformly distributed；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is equipped with mineral aggregate
Buffering chamber, feed opening are connected correspondingly by guide chute with the feed inlet of vertical cooling furnace, are divided in each guide chute
Turning plate valve is not set；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace circumferential spread, wherein annular gas collection
Pipeline is connected with the ring-shaped flue of each vertical cooling furnace, and annular steam line is connected with the feeder of each vertical cooling furnace, ring
In addition shape collecting pipe connects external smoke processing system, and negative-pressure air fan is set in connecting pipe, in addition annular steam line connects
Connect external supply air system；Annular gas collector road connects the mineral aggregate buffering chamber of mineral aggregate caching distributor by flue gas balance pipe,
Pressure-regulating valve door is set on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.
A kind of 2. sinter highly efficient cooling device according to claim 1, which is characterized in that the mineral aggregate caching distribution dress
The feed inlet put connects sintering machine exit chute by mineral aggregate transporter, and transporter seal closure is set outside mineral aggregate transporter.
3. a kind of sinter highly efficient cooling device according to claim 1, which is characterized in that in the vertical cooling furnace
Pan feeding distributor is set below feed inlet.
4. a kind of sinter highly efficient cooling device according to claim 1, which is characterized in that the feeder is arranged on vertical
Formula cooling furnace center is multilayer umbrella gas-supplying structure.
A kind of 5. sinter highly efficient cooling device according to claim 1, which is characterized in that the stove of the vertical cooling furnace
Body is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
6. a kind of sinter highly efficient cooling device according to claim 1, which is characterized in that the annular gas collector road connects
It connects and air-introduced machine and smoke heat replacing device is set on the pipeline of external smoke processing system.
7. a kind of sinter highly efficient cooling device according to claim 1, which is characterized in that the feeder, pan feeding
Distributor and mineral aggregate caching distributor are composite construction, and bottom is made of stainless steel material, and surface layer uses high-temperature wearable
Brick masonry is connected between bottom and surface layer by fire clay.
8. a kind of sinter highly efficient cooling device according to claim 1, which is characterized in that the vertical cooling furnace goes out
Material mouth sets rotatory sealing ore discharge device, and belt conveyer is set below rotatory sealing ore discharge device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275193.7U CN207422917U (en) | 2017-09-29 | 2017-09-29 | A kind of sinter highly efficient cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275193.7U CN207422917U (en) | 2017-09-29 | 2017-09-29 | A kind of sinter highly efficient cooling device |
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| Publication Number | Publication Date |
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| CN207422917U true CN207422917U (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504822A (en) * | 2017-09-29 | 2017-12-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of sintering deposit highly efficient cooling device |
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2017
- 2017-09-29 CN CN201721275193.7U patent/CN207422917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504822A (en) * | 2017-09-29 | 2017-12-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of sintering deposit highly efficient cooling device |
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