CN212270143U - Blast furnace slag waste heat power generation system - Google Patents
Blast furnace slag waste heat power generation system Download PDFInfo
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- CN212270143U CN212270143U CN202020856559.5U CN202020856559U CN212270143U CN 212270143 U CN212270143 U CN 212270143U CN 202020856559 U CN202020856559 U CN 202020856559U CN 212270143 U CN212270143 U CN 212270143U
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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
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- 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
- 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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- 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
The utility model provides a blast furnace slag waste heat power generation system, which comprises a blast furnace, a granulation device, a vertical cooling furnace, a ball mill, a screening machine, a waste heat boiler, a steam turbine and a generator; the blast furnace and the granulating device are connected by a first chute, the granulating device and the vertical cooling furnace are connected by a skip conveying inclined bridge, the vertical cooling furnace and the waste heat boiler are integrally arranged, a steam turbine and a generator are arranged behind the waste heat boiler, a ball mill and a screening machine are arranged behind the vertical cooling furnace, and the screening machine and the granulating device are connected by a steel ball elevator; feeding liquid blast furnace slag discharged from a blast furnace into a granulating device, and immersing and cooling the liquid blast furnace slag, solidifying and agglomerating the liquid blast furnace slag, conveying the liquid blast furnace slag and crushing the liquid blast furnace slag to form high-temperature amorphous dry-type granulated blast furnace slag containing steel balls; the dry granulated blast furnace slag is passed through a vertical cooling furnace, a waste heat boiler, a steam turbine and a generator to recover waste heat, and is separated by a ball mill and a sieving machine, the separated blast furnace slag is sent to a storage bin, and the separated steel balls are sent to a granulating device for utilization; the exhaust smoke of the waste heat boiler is sent to a vertical cooling furnace for utilization.
Description
Technical Field
The utility model belongs to the steel industry waste heat recovery utilizes the field, relates to a blast furnace slag waste heat power generation system.
Background
The blast furnace slag belongs to high-grade waste heat resources, the tapping temperature is about 1450 ℃, and the sensible heat in each ton of slag is about 1700 MJ. China is a big country for steel production, the blast furnace slag resources are rich, and the yield of the blast furnace slag is about 3 hundred million tons in 2019. The recovery of the blast furnace slag waste heat has great significance for energy conservation and consumption reduction of iron and steel enterprises.
The blast furnace slag dry type granulation technology is a process for preparing amorphous granulated blast furnace slag and recovering sensible heat of the blast furnace slag in a non-water quenching mode by utilizing direct or indirect contact heat exchange of a cooling medium and liquid blast furnace slag. The advantages are that: the granulated slag with high glass phase content is prepared, and the cementing utilization value of the blast furnace slag is not reduced; realizing the sensible heat recovery of the blast furnace slag; the granulation process does not consume new water resources and does not generate sulfide gas to pollute the environment.
In order to recover the residual heat of blast furnace slag, various dry granulation techniques of blast furnace slag have been studied at home and abroad, such as air-quench granulation proposed by Mitsubishi heavy industry and Japan steel pipe company, twin drum cooling granulation proposed by Japan steel pipe company, mechanical agitation crushing proposed by Japan Sumitomo Metal company, rotor centrifugal granulation proposed by Pickering in England, solid particle impact method proposed by Merotec in Sweden, rotary disk method of Australian CSIRO, and continuous casting and rolling cooling granulation in China. The existing blast furnace slag dry-type granulation technology is limited by economic feasibility of investment and equipment operation processes or technical feasibility with low content of glass phase of granulated slag, and industrial application is not realized.
The dry type blast furnace slag granulation technique faces the technical problems of economically preparing amorphous granulated blast furnace slag and economically recovering sensible heat of the blast furnace slag.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dry-type granulation blast furnace slag that can economically prepare out high vitreous body content can be retrieved high-efficiently to the problem that liquid blast furnace slag is difficult to economically realize dry granulation and is difficult to realize the high-efficient recovery of sensible heat, the utility model provides a blast furnace slag waste heat power generation system can retrieve blast furnace slag sensible heat high-efficiently.
The utility model discloses a realize through following technical scheme:
a blast furnace slag waste heat power generation system is characterized by comprising a blast furnace, a granulation device, a vertical cooling furnace, a ball mill, a screening machine, a waste heat boiler, a steam turbine and a generator; the blast furnace and the granulating device are connected by a first chute, the granulating device and the vertical cooling furnace are connected by a skip conveying inclined bridge, the vertical cooling furnace and the waste heat boiler are integrally arranged, the waste heat boiler is connected with the steam turbine and the generator by steam-water pipelines, a ball mill and a screening machine are arranged behind the vertical cooling furnace, and the screening machine and the granulating device are connected by a steel ball elevator;
feeding liquid blast furnace slag discharged from a blast furnace into a granulating device, and immersing and cooling the liquid blast furnace slag, solidifying and agglomerating the liquid blast furnace slag, conveying the liquid blast furnace slag and crushing the liquid blast furnace slag to form high-temperature amorphous dry-type granulated blast furnace slag containing steel balls; the high-temperature amorphous dry-type granulated blast furnace slag is sent into a vertical cooling furnace for air cooling, and then sent into a ball mill for ball milling and screening by a screening machine, the screened blast furnace slag is sent into a storage bin to be used as a cement raw material, and the screened steel balls are sent into a granulating device for recycling; high-temperature flue gas exhausted by the vertical cooling furnace is sent to a waste heat boiler for utilization, produced steam drives a steam turbine and a generator to generate electricity, low-temperature flue gas exhausted by the waste heat boiler is sent to the vertical cooling furnace for cyclic utilization, and the system has no flue gas emission.
Further, the granulating device comprises a liquid slag control bag, a steel ball injection machine, a steel ball injection pipe, a second chute, a mixing box, a crushing roller, a steel ball elevator and a heat-preservation storage bin;
the liquid slag control bag is connected with the steel ball injection pipe through a second chute, the steel ball injector is connected with the mixing box through the steel ball injection pipe, a crushing roller is arranged behind the mixing box, a heat preservation storage bin is arranged behind the crushing roller, and the steel ball elevator is connected with the steel ball injector and a steel ball outlet of the screening machine;
the steel ball injection pipe, the mixing box, the crushing roller and the heat-preservation storage bin are arranged in a sealing structure;
the mixing box adopts a pig machine form, is formed by connecting a plurality of box bodies into a circle and is driven by a chain wheel device.
Furthermore, the steel balls used by the granulating device are steel balls with large heat conductivity coefficient, and the grain diameter of the steel balls is 20-40 mm.
Further, first chute all adopts sealed and insulation construction setting with the second chute.
Further, a discharge port of the vertical cooling furnace is connected with a feed port of the ball mill, a discharge port of the ball mill is connected with a feed port of the screening machine, a steel ball outlet of the screening machine is connected with the steel ball elevator, and a blast furnace slag outlet of the screening machine is connected with the belt conveyor.
Furthermore, only a cooling section is arranged in the vertical cooling furnace, and a furnace top-free prestoring section in the vertical cooling furnace is arranged to reduce the height of the charge column in the furnace.
Furthermore, the vertical cooling furnace and the waste heat boiler are arranged in a vertical mode, a smoke outlet of the vertical cooling furnace is connected with a smoke inlet of the waste heat boiler through a primary dust remover and a high-temperature smoke pipeline, a gas inlet of a circulating fan of the vertical cooling furnace is connected with a smoke outlet of the waste heat boiler through a secondary dust remover and a low-temperature smoke pipeline, an outlet of the circulating fan of the vertical cooling furnace is connected with a gas supply port at the bottom of the vertical cooling furnace through a gas supply pipeline, and the circulating fan is provided with a fresh air inlet.
The utility model has the advantages that:
the utility model provides a blast furnace slag waste heat power generation system, adopt the granulation device to realize the steel ball of liquid blast furnace slag and soak the cooling, solidify the agglomeration, carry and break, prepare out the dry-type granulation blast furnace slag of high glass phase content economically and environmentally, the granulation process does not produce the harmful gas of sulphide, does not consume the water resource; the high-temperature dry-type granulated blast furnace slag is prestored in the heat-preservation storage bin, the discontinuous production of the liquid blast furnace slag and the continuous production of the vertical cooling furnace are balanced, and meanwhile, the vertical cooling furnace can cancel the prestoring section of the furnace top to reduce the height of a material column in the vertical cooling furnace, so that the air flow resistance of the material column is reduced; the blast furnace slag and the steel balls are separated by adopting a ball mill matched with a screening machine, the ball mill performs ball milling to ensure that the grain size of the blast furnace slag is smaller than that of the steel balls, slag attachments on the surfaces of the steel balls are ground, the separation by the screening machine is convenient, and the subsequent cement processing and fine grinding of the blast furnace slag are facilitated in the ball milling process; the vertical cooling furnace and the waste heat boiler are arranged in an integrated vertical structure, so that the occupied area of equipment is saved, the flue gas of the vertical cooling furnace is completely sent to the waste heat boiler for utilization, and the waste heat recovery rate is high; the steel balls are sent to the granulating device for recycling, so that the cost of the granulating process is reduced; the waste heat boiler flue gas is sent to the vertical cooling furnace for utilization, the waste heat recovery rate of the system is improved, no flue gas is discharged out of the system, and the environment is protected.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
wherein: 1. a blast furnace; 1-1, a first chute; 2. a granulating device; 2-1, liquid slag control bag; 2-2, a steel ball injection machine; 2-3, injecting steel balls into the pipe; 2-4, a second chute; 2-5, a mixing box; 2-6, a crushing roller; 2-7, a steel ball elevator; 2-8, heat preservation storage; 3. a vertical cooling furnace; 3-1, conveying the inclined bridge by a skip car; 3-2, circulating fans; 4. a ball mill; 5. screening machine; 5-1, a belt conveyor; 6. a waste heat boiler; 6-1, a primary dust remover; 6-2, a secondary dust remover; 7. a steam turbine; 8. an electric generator.
Detailed Description
The preferred apparatus and embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, the blast furnace slag waste heat power generation system comprises a blast furnace 1, a granulation device 2, a vertical cooling furnace 3, a ball mill 4, a screening machine 5, a waste heat boiler 6, a steam turbine 7 and a generator 8.
The blast furnace 1 is provided with a first chute 1-1 connected with a liquid slag control bag 2-1, and the first chute is arranged by adopting a sealing and heat-insulating structure. The first chute plays a role in heat preservation and conveying of liquid slag discharged by the blast furnace.
The granulating device 2 comprises a liquid slag control bag 2-1, a steel ball injection machine 2-2, a steel ball injection pipe 2-3, a second chute 2-4, a mixing box 2-5, a crushing roller 2-6, a steel ball elevator 2-7 and a heat-preservation storage bin 2-8. The liquid slag control bag 2-1 and the steel ball injection pipe 2-3 are connected by a second chute 2-4 which is arranged by adopting a sealing and heat-insulating structure; the steel ball injection machine 2-2 is connected with the mixing box 2-5 through a steel ball injection pipe; the mixing boxes 2-5 are formed by connecting a plurality of groups of box bodies into a circle and are driven by a chain wheel device; the crushing roller 2-6 is arranged at the outlet of the mixing box; the steel ball elevator 2-7 is connected with a steel ball injection machine and a steel ball outlet of a screening machine; the heat preservation storage bin 2-8 is arranged behind the crushing roller 2-6.
The granulating device 2 receives the liquid slag discharged from the blast furnace 1 through the liquid slag control bag 2-1, stores the liquid slag and controls the flow of the liquid slag entering the mixing box; conveying the liquid slag in the liquid slag control bag to a steel ball injection pipe and a mixing box through a second chute in a heat preservation way; feeding the steel balls in the steel ball injection machine into a mixing box through a steel ball injection pipe; the steel balls of the liquid slag are immersed into the mixture tank for quenching, solidification, agglomeration and conveying; crushing and granulating the blast furnace slag blocks by a crushing roller; high-temperature dry-type granulated blast furnace slag is prestored in the heat-preservation storage bin, and the discontinuous production of liquid blast furnace slag and the continuous production of a vertical cooling furnace are balanced.
The vertical cooling furnace 3 comprises a skip car conveying inclined bridge 3-1 and a circulating fan 3-2. A charging skip conveying inclined bridge 3-1 is connected with a discharge port of a thermal insulation storage bin of the granulating device and a feed port of the vertical cooling furnace 3, an outlet of a circulating fan 3-2 is connected with a wind supply port at the bottom of the vertical cooling furnace 3 through a wind supply pipeline, and the circulating fan 3-2 is provided with a fresh wind inlet to supply fresh wind to the vertical cooling furnace 3; the top smoke outlet of the vertical cooling furnace 3 is connected with the smoke inlet of the waste heat boiler through a primary dust remover and a high-temperature smoke pipeline. The shaft furnace 3 carries out air vertical cooling on the dry type granulated blast furnace slag, sensible heat of the blast furnace slag is recovered through flue gas, and the discharged flue gas of the vertical cooling furnace is sent to a waste heat boiler for utilization.
The feed inlet of the ball mill 4 is connected with the discharge outlet of the vertical cooling furnace 3, and the discharge outlet of the ball mill 4 is connected with the feed inlet of the sieving machine 5. The ball milling process of the ball mill ensures that the grain diameter of the blast furnace slag is smaller than that of the steel ball, and the blast furnace slag attachments on the surface of the steel ball are ground.
The steel ball outlet of the screening machine 5 is connected with the steel ball elevator, and the blast furnace slag outlet of the screening machine 5 is connected with the belt conveyor 5-1. The screening machine 5 screens out blast furnace slag and steel balls according to different particle sizes, and the screened steel balls are sent to a granulating device steel ball injection machine by a steel ball elevator to be utilized.
The steel ball is made of steel balls with large heat conductivity coefficient, and the grain diameter of the steel balls is 20-40 mm. The steel ball has large heat conductivity coefficient and fast heat exchange, the heat exchange area between the steel ball and the liquid slag after being immersed in the liquid slag is large, and the steel ball rapidly cools the liquid slag to realize the cooling speed required by amorphous solidification of the liquid slag.
The waste heat boiler 6 and the vertical cooling furnace are arranged in an integrated vertical structure. The waste heat boiler 6 comprises a primary dust remover 6-1 and a secondary dust remover 6-2, wherein the primary dust remover 6-1 is connected with a smoke outlet of the vertical cooling furnace 3 and a smoke inlet of the waste heat boiler 6, and the secondary dust remover 6-2 is connected with a smoke outlet of the waste heat boiler 6 and an inlet of the circulating fan 3-2. The exhaust-heat boiler 6 produces steam by using the exhaust smoke of the vertical cooling furnace. The exhaust gas of the waste heat boiler 6 is sent to the vertical cooling furnace for utilization after being dedusted by the secondary deduster, and the system has no exhaust gas to be discharged outside.
The steam turbine 7 and the waste heat boiler 6 are connected by a steam-water pipeline, and the generator 8 is connected with the steam turbine 7. The steam turbine 7 and the generator 8 generate electricity using the exhaust heat boiler steam.
The specific implementation manner of this embodiment:
(1) the steel ball injection machine 2-2 is filled with steel balls from a sieving machine 5 through a steel ball hoisting machine 2-7. The steel ball is made of Q235 material and has a particle size of 30 mm. Fresh air is supplied to the vertical cooling furnace 3 by the circulating fan 3-2, and the circulating fan 3-2 is adjusted to use low-temperature flue gas discharged by the waste heat boiler after the waste heat boiler 6 operates.
(2) Liquid blast furnace slag with the temperature of more than 1400 ℃ discharged by a blast furnace 1 is conveyed into a liquid slag control bag 2-1 through a first chute 1-1 in a heat preservation way, liquid slag in the liquid slag control bag 2-1 is controlled by a second chute 2-4 and conveyed into a steel ball injection pipe 2-3 and a mixing box 2-5 in a heat preservation way, steel balls in a steel ball injection machine 2-2 are conveyed into the liquid slag in the mixing box 2-5 through the steel ball injection pipe according to the specific mass ratio of blast furnace slag steel balls, the liquid slag in the mixing box is immersed, quenched, solidified, agglomerated and conveyed through steel balls and then is primarily crushed through a crushing roller 2-6 to form amorphous dry-type granulated blast furnace slag containing the steel balls with the temperature of 600-800 ℃, and the amorphous dry-type granulated blast furnace slag is conveyed into a heat preservation storage bin.
(3) Dry granulated blast furnace slag discharged from a heat-preservation storage bin of a granulating device is conveyed into a vertical cooling furnace 3 through a skip car conveying inclined bridge 3-1, the blast furnace slag moving from top to bottom in the vertical cooling furnace and cooling air flowing from bottom to top perform vertical countercurrent heat exchange, the heat exchanged blast furnace slag is subjected to ball milling by a blast furnace slag ball-feeding mill 4 at the temperature of 150-200 ℃ discharged from the vertical cooling furnace 3, the grain size of the blast furnace slag is smaller than that of a steel ball through ball milling, slag attachments on the surface of the steel ball are ground, the ball-milled blast furnace slag is screened by a screening machine 5, the screened steel ball is sent to a steel ball injection machine 2-2 by a steel ball elevator 2-7 for utilization, and the screened granulated blast furnace slag is sent to the storage bin by a belt conveyor 5-1 to be.
(4) High-temperature flue gas with the temperature of 500-600 ℃ discharged by the vertical cooling furnace 3 is dedusted by the primary deduster 6-1 and then is sent to the waste heat boiler 6 for utilization, steam generated by the waste heat boiler 6 drives the steam turbine 7 and the generator 8 to generate electricity, and low-temperature flue gas with the temperature of 120-150 ℃ discharged by the waste heat boiler 6 is dedusted by the secondary deduster 6-2 and then is sent to the vertical cooling furnace 3 by the circulating fan 3-2 to be used as cooling air of the vertical cooling furnace.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A blast furnace slag waste heat power generation system is characterized by comprising a blast furnace, a granulation device, a vertical cooling furnace, a ball mill, a screening machine, a waste heat boiler, a steam turbine and a generator; the blast furnace and the granulating device are connected by a first chute, the granulating device and the vertical cooling furnace are connected by a skip conveying inclined bridge, the vertical cooling furnace and the waste heat boiler are integrally arranged, the waste heat boiler is connected with the steam turbine and the generator by steam-water pipelines, a ball mill and a screening machine are arranged behind the vertical cooling furnace, and the screening machine and the granulating device are connected by a steel ball elevator;
feeding liquid blast furnace slag discharged from a blast furnace into a granulating device, and immersing and cooling the liquid blast furnace slag, solidifying and agglomerating the liquid blast furnace slag, conveying the liquid blast furnace slag and crushing the liquid blast furnace slag to form high-temperature amorphous dry-type granulated blast furnace slag containing steel balls; the high-temperature amorphous dry-type granulated blast furnace slag is sent into a vertical cooling furnace for air cooling, and then sent into a ball mill for ball milling and screening by a screening machine, the screened blast furnace slag is sent into a storage bin to be used as a cement raw material, and the screened steel balls are sent into a granulating device for recycling; high-temperature flue gas exhausted by the vertical cooling furnace is sent to a waste heat boiler for utilization, produced steam drives a steam turbine and a generator to generate electricity, low-temperature flue gas exhausted by the waste heat boiler is sent to the vertical cooling furnace for cyclic utilization, and the system has no flue gas emission.
2. The blast furnace slag waste heat power generation system according to claim 1, wherein the granulating device comprises a liquid slag control bag, a steel ball injection machine, a steel ball injection pipe, a second chute, a mixing box, a crushing roller, a steel ball elevator and a heat preservation storage bin;
the liquid slag control bag is connected with the steel ball injection pipe through a second chute, the steel ball injector is connected with the mixing box through the steel ball injection pipe, a crushing roller is arranged behind the mixing box, a heat preservation storage bin is arranged behind the crushing roller, and the steel ball elevator is connected with the steel ball injector and a steel ball outlet of the screening machine;
the steel ball injection pipe, the mixing box, the crushing roller and the heat-preservation storage bin are arranged in a sealing structure;
the mixing box adopts a pig machine form, is formed by connecting a plurality of box bodies into a circle and is driven by a chain wheel device.
3. The blast furnace slag waste heat power generation system according to claim 1, wherein the steel balls used by the granulating device are steel balls with large heat conductivity coefficient, and the particle size of the steel balls is 20-40 mm.
4. The blast furnace slag waste heat power generation system according to claim 1, wherein a discharge port of the vertical cooling furnace is connected with a feed port of a ball mill, a discharge port of the ball mill is connected with a feed port of a screening machine, a steel ball outlet of the screening machine is connected with a steel ball elevator, and a blast furnace slag outlet of the screening machine is connected with a belt conveyor.
5. The blast furnace slag waste heat power generation system according to claim 1, wherein only the cooling section is arranged in the vertical cooling furnace, and the height of the charge column in the furnace is reduced by arranging a pre-storage section without a furnace top in the vertical cooling furnace.
6. The blast furnace slag waste heat power generation system according to claim 1, wherein the vertical cooling furnace and the waste heat boiler are arranged vertically, the smoke outlet of the vertical cooling furnace and the smoke inlet of the waste heat boiler are connected through a primary dust remover and a high-temperature smoke pipeline, the air inlet of the circulating fan of the vertical cooling furnace and the smoke outlet of the waste heat boiler are connected through a secondary dust remover and a low-temperature smoke pipeline, the outlet of the circulating fan of the vertical cooling furnace and the air supply port at the bottom of the vertical cooling furnace are connected through an air supply pipeline, and the circulating fan is provided with a fresh air inlet.
7. The blast furnace slag waste heat power generation system according to claim 1, wherein the first chute and the second chute of the granulation device are arranged in a heat-preserving and sealing structure.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058746A (en) * | 2022-01-17 | 2022-02-18 | 中冶节能环保有限责任公司 | Steel slag crushing treatment system and method |
| CN116086199A (en) * | 2022-11-28 | 2023-05-09 | 攀钢集团西昌钢钒有限公司 | Metallurgical slag sensible heat recovery method and system |
| CN116219091A (en) * | 2022-11-28 | 2023-06-06 | 攀钢集团西昌钢钒有限公司 | Metallurgical slag waste heat recovery method and system |
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2020
- 2020-05-20 CN CN202020856559.5U patent/CN212270143U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058746A (en) * | 2022-01-17 | 2022-02-18 | 中冶节能环保有限责任公司 | Steel slag crushing treatment system and method |
| CN116086199A (en) * | 2022-11-28 | 2023-05-09 | 攀钢集团西昌钢钒有限公司 | Metallurgical slag sensible heat recovery method and system |
| CN116219091A (en) * | 2022-11-28 | 2023-06-06 | 攀钢集团西昌钢钒有限公司 | Metallurgical slag waste heat recovery method and system |
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