CN206799664U - A kind of slag dry granulation and waste-heat recovery device - Google Patents
A kind of slag dry granulation and waste-heat recovery device Download PDFInfo
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- CN206799664U CN206799664U CN201720607160.1U CN201720607160U CN206799664U CN 206799664 U CN206799664 U CN 206799664U CN 201720607160 U CN201720607160 U CN 201720607160U CN 206799664 U CN206799664 U CN 206799664U
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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
- Y02P10/20—Recycling
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
A kind of slag dry granulation and waste-heat recovery device are the utility model is related to, the slag dry granulation and waste-heat recovery device include：Pelletizer casing, lead slag runner, lead slag runner buffer pool, cooling wind inside bellows, cooling wind outside bellows；The side of slag runner insertion pelletizer casing is led, top is connected with leading slag runner buffer pool, and junction is provided with and leads slag runner overflow plate；Pelletizer casing top is provided with steam (vapor) outlet, and bottom exports provided with grain slag；The inclined-plane that is provided with of the side of slag runner insertion is led, direction is provided with bellows inside cooling wind under inclined-plane；Pelletizer casing, which is not led, is equipped with bellows outside cooling wind on the outside of the side of slag runner insertion.The utility model comprehensively utilizes air and water as cooling medium, high-temperature slag is quickly cooled to below crystallization temperature, the sensible heat and can that can reclaim high-temperature slag obtains the high grain slag of vitreum content; environmental pressure will not be brought; and cooling velocity is fast, take up an area small, reduced investment.
Description
Technical field
It the utility model is related to technical field of metallurgical machinery, more particularly to a kind of slag dry granulation and waste heat recovery dress
Put.
Background technology
Metallurgy high temperature slag is the accessory substance of steel manufacture process, is mainly derived from ironmaking and steel making working procedure.The pig iron per ton
Caused 300~400kg of blast furnace slag, 80~120kg of vessel slag caused by ton steel.The processing method master of domestic and international blast furnace slag at present
High-temperature liquid state blast furnace slag is washed into solid granular with water under high pressure by the way of water quenching.
The subject matter that flush slag mode is brought is：(1) water resource and consumption of new water, liquid blast furnace per ton are largely taken
Flushing cinder water consumption 10t or so, consumption of new water 1t or so.(2) secondary energy sources, the physics of high-temperature liquid state blast furnace slag per ton are wasted
Heat is equivalent to about 60kg mark coals, is all dissipated during flushing cinder.From the point of view of entropy analysis, the waste heat of liquid blast furnace
Quality is very high, great value.(3) H is discharged2S and SOx, ecological environment is destroyed, substantial amounts of H is produced during flush slag2S
And SOx, it is discharged into vapor in air, aggregation just turns into the inducement of acid rain to a certain extent.
In summary, the metallurgical slag Water Quenching technology generally used at present, and the Land use systems of metallurgical slag, it is not only unrestrained
Take substantial amounts of new water resource, and very serious pollution is caused to environment, while also reduce the use of the energy and resource
Efficiency.This method is far from the development model for adapting to new industrialization and recycling economy, it is necessary to is fundamentally changed
Become and discarded.
Utility model content
In view of above-mentioned analysis, the utility model aims to provide a kind of slag dry granulation and waste-heat recovery device, to
Solves the problems, such as prior art waste of resource, seriously polluted.
The purpose of this utility model is mainly achieved through the following technical solutions：
A kind of slag dry granulation and waste-heat recovery device, the slag dry granulation and waste-heat recovery device include：Granulation
Device casing, lead slag runner, lead slag runner buffer pool, cooling wind inside bellows, cooling wind outside bellows；
Lead the side of slag runner insertion pelletizer casing；The top for leading slag runner is connected with leading slag runner buffer pool, and junction is set
Lead slag runner overflow plate；
Pelletizer casing top is provided with steam (vapor) outlet, and bottom exports provided with grain slag；Lead being provided with for the side of slag runner insertion
Inclined-plane, direction is provided with bellows inside cooling wind under inclined-plane；Pelletizer casing is not led and is equipped with the outside of the side of slag runner insertion
Cool down bellows outside wind；
The inner space of bellows inside wind, cooling wind outside bellows with pelletizer casing is cooled down by cooling down wind injection tube
UNICOM.
High-temperature slag, which passes sequentially through and lead slag runner buffer pool, leads slag runner enters pelletizer casing；
Leading the height of slag runner overflow plate can be adjusted, and leading the height of slag runner overflow plate by regulation is leading high-temperature slag
The slag mould that thickness is 20-60mm is formed in slag runner.
Pelletizer casing is double-decker, and high alumina castable is filled between two layers；
Pelletizer casing top is equipped with peep-hole close to the side for leading slag runner and away from the side for leading slag runner；
The lower section for leading slag runner for the side that slag runner is led in the insertion of pelletizer casing is provided with wind quenching wind injection tube, wind quenching wind injection tube
Rectangle injection mouth is provided with, rectangle is blown mouth towards pelletizer box house, and the top of rectangle injection mouth is provided with quick cooling
Sparge pipe, cooling sparge pipe are provided with water jet.
The both ends of wind quenching wind injection tube are equipped with wind quenching wind injection tube import；Pressure is that 0.4~0.6Mpa wind quenching wind leads to
Cross the import of wind quenching wind injection tube and enter wind quenching wind injection tube, and mouth is blown by rectangle and sprayed at a high speed with 30~60m/s speed
To from leading in the high temperature slag liquid that slag runner flows down；
Quick cooling sparge pipe both ends are equipped with quick cooling sparge pipe import.
Cooling wind injection tube spreads all between cooling wind inside bellows and pelletizer casing and cooling wind outside bellows and grain
Between changing device casing, and cool down the dislocation arrangement of wind injection tube；
Bellows are connected by cooling down bellows import inside wind with cooling general mood source inside cooling wind；Bellows lead to outside cooling wind
Bellows import is connected with cooling general mood source outside supercooling wind；
Cooling general mood source uses blower fan of the total head for 500~2000pa, and wind speed is 10~20m/s.
The utility model has the beneficial effect that：
1st, slag granulating speed of the present utility model is fast, takes up an area small, reduced investment；
2nd, the recyclable high-temperature hot-air of the utility model and vapor, melting slag waste heat is reclaimed, available for generating electricity；
3rd, the grain slag vitreum content after the utility model slag treatment is high, can be used as building materials raw material, for example produce water
Mud.
Other feature and advantage of the present utility model will illustrate in the following description, also, partial feature and excellent
Point becomes apparent from specification, or is understood by implementing the utility model.The purpose of this utility model and other
Advantage can be realized and obtained by specifically noted structure in the specification, claims and accompanying drawing write.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as to limitation of the present utility model, whole
In accompanying drawing, identical reference symbol represents identical part.
Fig. 1 is the front sectional view of a kind of slag dry granulation and waste-heat recovery device；
Fig. 2 is the side view cutaway drawing of a kind of slag dry granulation and waste-heat recovery device；
In figure：1- pelletizers casing, 2- lead slag runner, 3- leads slag runner buffer pool, 4- leads slag runner overflow plate, 5- and quickly cools down spray
Water pipe, 6- wind quenching wind injection tube, 7- cooling wind inside bellows, 8- cooling wind outside bellows, 9- cooling wind injection tube, 10- are spied on
Hole, 11- rectangles injection mouth, 12- high alumina castables, 13- steam (vapor) outlets, the outlet of 14- grain slags, 15- cooling wind inside bellows
Bellows import, the import of 17- wind quenching wind injection tubes, 18- quickly cool down sparge pipe import outside import, 16- cooling wind.
Embodiment
Preferred embodiment of the present utility model is specifically described below in conjunction with the accompanying drawings, wherein, accompanying drawing forms the application one
Point, and for explaining principle of the present utility model together with embodiment of the present utility model.
A kind of slag dry granulation and waste-heat recovery device, the slag dry granulation and waste-heat recovery device comprehensive utilization are empty
High-temperature slag is quickly cooled to below crystallization temperature as cooling medium, can reclaim the sensible heat of high-temperature slag again by gas and water
The high grain slag of vitreum content can be obtained.The high grain slag of vitreum content is the quality raw materials for producing cement, will not be brought
Environmental pressure.This device cooling velocity is fast, takes up an area small, reduced investment.
The slag dry granulation and waste-heat recovery device include：Pelletizer casing 1, slag runner 2 is led, slag runner buffer pool 3 is led, is cold
But bellows 7, cooling wind outside bellows 8 inside wind；
Lead the side that slag runner 2 inserts pelletizer casing 1；The top for leading slag runner 2 is connected with leading slag runner buffer pool 3, and is connected
Place is provided with and leads slag runner overflow plate 4；
The top of pelletizer casing 1 is provided with steam (vapor) outlet 13, and bottom is provided with grain slag outlet 14；Lead the side of the insertion of slag runner 2
Be provided with inclined-plane, direction is provided with bellows 7 inside cooling wind under inclined-plane；Pelletizer casing 1 does not lead the outer of the side of the insertion of slag runner 2
Side is equipped with bellows 8 outside cooling wind；
The inner space of bellows 7, cooling wind outside bellows 8 with pelletizer casing 1 is sprayed by cooling down wind inside cooling wind
Blowpipe UNICOM.
High-temperature slag, which passes sequentially through, leads slag runner buffer pool 3, leads slag runner 2 into pelletizer casing 1；
Leading the height of slag runner overflow plate 4 can be adjusted up and down, and is led the height of slag runner overflow plate 4 by regulation and made high temperature melting
Slag forms the slag mould that thickness is 20-60mm in slag runner 2 is led.The high-temperature slag of metallurgical furnace is affected by many factors, and flow is frequent
It is unstable, very big inconvenience is brought to subsequent handling, this flowed fluctuation can effectively be adjusted by leading the setting of slag runner buffer pool 3.Can
The slag film thickness led slag runner overflow plate 4 and according to technique regulation can be needed to be formed adjusted up and down, effectively control granulation effect.
Pelletizer casing 1 is double-decker, is filled with high alumina castable 12 between two layers, the temperature of high-temperature slag is reachable
More than 1450 DEG C, high alumina castable 12 can ensure the stability that equipment works in high temperature environments；
The top of pelletizer casing 1 is equipped with peep-hole 10 close to the side for leading slag runner 2 and away from the side for leading slag runner 2；
The lower section for leading slag runner 2 for the side that slag runner 2 is led in the insertion of pelletizer casing 1 is provided with wind quenching wind injection tube 6, the spray of wind quenching wind
Blowpipe 6 is provided with rectangle injection mouth 11, and rectangle is blown mouth 11 towards inside pelletizer casing 1, and the top of rectangle injection mouth 11
Provided with quick cooling sparge pipe 5, cooling sparge pipe is provided with water jet.The water of quick cooling sparge pipe 5 water jet injection is high
The wind quenching wind of fast high pressure is broken up as water smoke, is carry by wind quenching wind and is ejected into together in slag liquid.Water smoke in wind quenching wind runs into height
The melt cinder rapid evaporation of temperature be steam, using the quick cooling down high-temperature slag of the vaporization enthalpy of water, with minimal amount of water it is ensured that
The vitreum content of clinker.
The both ends of wind quenching wind injection tube 6 are equipped with wind quenching wind injection tube import 17；Pressure is 0.4~0.6Mpa wind quenching wind
Wind quenching wind injection tube 6 is entered by wind quenching wind injection tube import 17, and mouth 11 is blown with 30~60m/s speed height by rectangle
Speed is ejected into from leading in the high temperature slag liquid that slag runner 2 flows down, and the air-flow of high speed and high pressure smashes slag liquid for graininess；
Quick cooling sparge pipe 5 both ends are equipped with quick cooling sparge pipe import 18.
Cooling wind injection tube spreads all between bellows 7 and pelletizer casing 1 and cooling wind outside bellows 8 inside cooling wind
Between pelletizer casing 1, and cool down the dislocation arrangement of wind injection tube；
Bellows 7 are connected by cooling down bellows import 15 inside wind with cooling general mood source inside cooling wind；Cool down wind outside wind
Case 8 is connected by cooling down bellows import 16 outside wind with cooling general mood source；
Cooling general mood source uses blower fan of the total head for 500~2000pa, and wind speed is 10~20m/s.Low pressure low speed it is cold
But the enough melt cinders with after granulation of wind energy fully exchange heat, and continue to cool down melt cinder temperature.Meanwhile uniform cooling wind injection tube also can
One layer of wind film is formed in the inner surface of pelletizer casing 1, grain slag of the part with wick-containing is effectively reduced and is sent out with pelletizer inner surface
Raw collision rift, skin breakage, wick-containing are adhered on the resistance to material of pelletizer inner surface.
It is using technological process of the present utility model：
High-temperature slag is flowed into and led in slag runner buffer pool 3 naturally via the slag runner of metallurgical furnace, and slag is led by what can be adjusted up and down
Ditch overflow plate 4 forms the 20-60mm thickness slag films for being easy to granulation.
Through leading the slag film of the overflow of slag runner overflow plate 4 formation, flowed into by leading slag runner 2 in pelletizer casing 1.Pressure is 0.4
~0.6Mpa wind quenching wind is blown mouth 11 by the rectangle of two wind quenching wind injection tubes 6 and sprayed at a high speed with 30~60m/s speed
To from leading in the slag liquid that slag runner 2 flows down, the air-flow of high speed and high pressure smashes slag liquid for graininess.In the square of wind quenching wind injection tube 6
Respectively there is a quick cooling sparge pipe 5 top of shape injection mouth 11.The water that quick cooling sparge pipe 5 water jet sprays is by high speed and high pressure
Wind quenching wind break up as water smoke, carry by wind quenching wind and be ejected into together in slag liquid.Water smoke in wind quenching wind runs into the liquid of high temperature
Slag rapid evaporation is steam, and quickly high-temperature slag is cooled to below crystallization temperature using the vaporization enthalpy of water.Wind quenching wind can be by sky
Press or smelter pipe network provide.
Broken up by wind quenching wind as granular melt cinder, the low pressure low speed of wind injection tube injection is further cooled by casing
Cooling air cooling.The cooling wind injection tube of dislocation arrangement is distributed on pelletizer casing 1 except direction is imported and exported at top and melt cinder
In all directions.Cool down elegance by the use of total head be 500~2000pa blower fan as source of the gas, small power consumption, wind speed be 10~20m/s.
Wind quenching wind, water and cooling wind form more than 400 DEG C of vapor after being exchanged heat with slag, after cyclone dust removal, enter
Enter Waste Heat Generation.The water circulation condensed out after generating is used, and new water is supplemented by system.
The grain slag ultimately formed is transported in secondary cooling equipment by supporting conveying device enters one with secondary cooling wind
Step heat exchange cooling.The Secondary Air changed after heat can enter Waste Heat Generation, further utilize dross sensible heat.Cool down completely
Grain slag, vitreum content is high, is the quality raw materials for producing cement.
To sum up, the utility model embodiment provides a kind of slag dry granulation and waste-heat recovery device, the slag dry type
Granulation and waste-heat recovery device comprehensive utilization air and water as cooling medium, by high-temperature slag be quickly cooled to crystallization temperature with
Under, the sensible heat and can that can reclaim high-temperature slag obtains the high grain slag of vitreum content.The high grain slag of vitreum content is
The quality raw materials of cement are produced, environmental pressure will not be brought.This device cooling velocity is fast, takes up an area small, reduced investment.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.
Claims (5)
1. a kind of slag dry granulation and waste-heat recovery device, it is characterised in that the slag dry granulation and waste-heat recovery device
Including：Pelletizer casing (1), lead slag runner (2), lead slag runner buffer pool (3), cooling wind inside bellows (7), cooling wind outside bellows
(8)；
The side led slag runner (2) and insert the pelletizer casing (1)；The top for leading slag runner (2) is with leading slag runner buffering
Pond (3) connects, and junction is provided with and leads slag runner overflow plate (4)；
Steam (vapor) outlet (13) is provided with the top of the pelletizer casing (1), bottom is provided with grain slag outlet (14), described to lead slag runner
(2) side of insertion is provided with inclined-plane, and under inclined-plane direction is provided with cooling wind inside bellows (7)；The pelletizer casing (1) does not have
Bellows (8) outside cooling wind are equipped with the outside of the side for leading slag runner (2) insertion；
The inner space of bellows (7), cooling wind outside bellows (8) with the pelletizer casing (1) leads to inside the cooling wind
Supercooling wind injection tube UNICOM.
2. slag dry granulation according to claim 1 and waste-heat recovery device, it is characterised in that high-temperature slag leads to successively
Cross it is described lead slag runner buffer pool (3), lead slag runner (2) enter the pelletizer casing (1)；
The height for leading slag runner overflow plate (4) can be adjusted, and the height by leading slag runner overflow plate (4) described in regulation makes height
Warm slag leads the slag mould that the middle formation thickness of slag runner (2) is 20-60mm described.
3. slag dry granulation according to claim 2 and waste-heat recovery device, it is characterised in that the pelletizer casing
(1) it is double-decker, high alumina castable (12) is filled between two layers；
It is all provided with the top of the pelletizer casing (1) close to the side for leading slag runner (2) and away from the side for leading slag runner (2)
There is peep-hole (10)；
Sprayed provided with wind quenching wind the lower section for leading slag runner (2) that the side of slag runner (2) is led described in pelletizer casing (1) insertion
Blowpipe (6), the wind quenching wind injection tube (6) are provided with rectangle injection mouth (11), and the rectangle is blown mouth (11) towards the grain
Change device casing (1) inside, and the top of rectangle injection mouth (11) is provided with quick cooling sparge pipe (5), it is described to cool down water spray
Pipe is provided with water jet.
4. slag dry granulation according to claim 3 and waste-heat recovery device, it is characterised in that the wind quenching wind injection
The both ends of pipe (6) are equipped with wind quenching wind injection tube import (17)；Pressure is that 0.4~0.6Mpa wind quenching wind passes through the wind quenching wind
Injection tube import (17) enters the wind quenching wind injection tube (6), and is blown mouth (11) by the rectangle with 30~60m/s speed
Degree is ejected into from the high temperature slag liquid led slag runner (2) and flowed down at a high speed；
Described quick cooling sparge pipe (5) both ends are equipped with quick cooling sparge pipe import (18).
5. slag dry granulation according to claim 4 and waste-heat recovery device, it is characterised in that the cooling wind injection
Pipe spreads all between the cooling wind inside bellows (7) and pelletizer casing (1) and the cooling wind outside bellows (8) and grain
Between changing device casing (1), and the cooling wind injection tube dislocation arrangement；
Bellows (7) are connected by cooling down bellows import (15) inside wind with cooling general mood source inside the cooling wind；The cooling
Bellows (8) are connected by cooling down bellows import (16) outside wind with cooling general mood source outside wind；
The cooling general mood source uses blower fan of the total head for 500~2000pa, and wind speed is 10~20m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607160.1U CN206799664U (en) | 2017-05-27 | 2017-05-27 | A kind of slag dry granulation and waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607160.1U CN206799664U (en) | 2017-05-27 | 2017-05-27 | A kind of slag dry granulation and waste-heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN206799664U true CN206799664U (en) | 2017-12-26 |
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ID=60742134
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| CN201720607160.1U Active CN206799664U (en) | 2017-05-27 | 2017-05-27 | A kind of slag dry granulation and waste-heat recovery device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536656A (en) * | 2018-12-24 | 2019-03-29 | 钢研晟华科技股份有限公司 | A kind of roller drains method granulation system |
| CN110205416A (en) * | 2019-05-17 | 2019-09-06 | 昆明理工大学 | A kind of compound granulation milling method of high-temperature slag multiple-phase jet |
| CN110747302A (en) * | 2019-10-31 | 2020-02-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Steel slag wind quenching device and steel slag granulating method |
| CN113684328A (en) * | 2021-08-17 | 2021-11-23 | 刘春茗 | Dry type treatment equipment for foam slag and working mode thereof |
-
2017
- 2017-05-27 CN CN201720607160.1U patent/CN206799664U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536656A (en) * | 2018-12-24 | 2019-03-29 | 钢研晟华科技股份有限公司 | A kind of roller drains method granulation system |
| CN109536656B (en) * | 2018-12-24 | 2020-07-24 | 钢研晟华科技股份有限公司 | Granulating system adopting roller pumping drying method |
| CN110205416A (en) * | 2019-05-17 | 2019-09-06 | 昆明理工大学 | A kind of compound granulation milling method of high-temperature slag multiple-phase jet |
| CN110747302A (en) * | 2019-10-31 | 2020-02-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Steel slag wind quenching device and steel slag granulating method |
| CN113684328A (en) * | 2021-08-17 | 2021-11-23 | 刘春茗 | Dry type treatment equipment for foam slag and working mode thereof |
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| CP03 | Change of name, title or address |
Address after: 100081 No.1, building 37, 76 Xueyuan South Road, Haidian District, Beijing Patentee after: CISRI SUNWARD TECHNOLOGY Co.,Ltd. Address before: 100081 No. 76 South College Road, Beijing, Haidian District Patentee before: CISRI SHENGHUA ENGINEERING TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |