CN101649364A - Blast furnace slag processing device - Google Patents
Blast furnace slag processing device Download PDFInfo
- Publication number
- CN101649364A CN101649364A CN200910104783A CN200910104783A CN101649364A CN 101649364 A CN101649364 A CN 101649364A CN 200910104783 A CN200910104783 A CN 200910104783A CN 200910104783 A CN200910104783 A CN 200910104783A CN 101649364 A CN101649364 A CN 101649364A
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- slag
- grain slag
- blast furnace
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- water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/032—Separating slag from liquid, e.g. from water, after quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/072—Tanks to collect the slag, e.g. water tank
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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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Iron (AREA)
Abstract
The invention relates to a blast furnace slag processing device. The processing device comprises a water-quenching cooling device, a slag-water separating device and a slag flush water circulating device, wherein the input end of the slag-water separating device is connected with the output end of the water-quenching cooling device, and the output end of the slag-water separating device is connected with the input end of the slag flush water circulating device; and the output end of the slag flush water circulating device is connected with the input end of the water-quenching cooling device. The blast furnace slag processing device is provided with a condensing and recycling device, reduces the ground occupation area, the investment and the production running cost and has high quality of water and slag.
Description
Technical field
The invention belongs to technical field of metallurgical iron-making devices, it relates to a kind of blast furnace slag processing device.
Background technology
Slag is as the fittings of the metallurgical ironmaking of blast furnace, and it must could be transported outward through corresponding the processing.At present the treatment process for slag mainly is INBA method and granulation wheel method, and wherein, the INBA method is provided with forces water spray refrigerative vapour-condensing equipment for recovering, thereby investment and floor space are all bigger, and the expense of production run is higher; And the work-ing life of granulation wheel method is short partially, and slag granulation and cooling performance are bad, occur the black slag of red slag and bulk easily, so grain slag is second-rate.
Summary of the invention
At above-mentioned deficiency, the invention provides a kind of slag treatment device, this plant investment and floor space are little, and the grain slag quality of producing is better.
The objective of the invention is to be achieved through the following technical solutions: a kind of blast furnace slag processing device, this treatment unit comprises shrend refrigerating unit, pulp water tripping device and flushing cinder water circle device, wherein, the input terminus of described pulp water tripping device links to each other with the output terminal of described shrend refrigerating unit, and its output terminal links to each other with the input terminus of described flushing cinder water circle device; The output terminal of described flushing cinder water circle device links to each other with the input terminus of described shrend refrigerating unit.
Described shrend refrigerating unit comprises grain slag groove, slag ditch, Punched box and the grain slag aiutage that has inlet device and lower part outlet device; Wherein, described slag ditch links to each other with described grain slag groove by described inlet device with Punched box; Described grain slag aiutage is arranged at the top of described grain slag groove, to realize the shrend process of cooling of blast furnace slag.
Described pulp water tripping device comprises dewatering drum, rotary drum cover, grain slag conveyor belt machine, divider and dashpot; Wherein, described divider is positioned at described dewatering drum with dashpot and is connected with described grain slag groove by described lower part outlet device; Described rotary drum cover is positioned at the outside of described dewatering drum and is connected with described grain slag groove by vapor pipe; One end of described grain slag conveyor belt machine is positioned at described dewatering drum, and its other end is connected to grain slag and stores and outer shipping unit, to realize slag pulp water separating process.
Described flushing cinder water circle device comprises hot water tank, overflow ditch, hot tub, hot water pump, cooling tower and is arranged at the granulation recycle pump of described cooling tower bottom; Wherein, described hot water tank is positioned at the bottom of described dewatering drum and links to each other with described hot tub by described overflow ditch; Described hot tub links to each other with described cooling tower by hot water pump; Described cooling tower links to each other with described Punched box by described granulation recycle pump, thereby realizes recycling of flushing cinder water.
In order to reduce the wearing and tearing of grain slag to described Punched box, prolong its work-ing life, described Punched box is provided with the punching out plate, and the downward-sloping layout of this punching out plate also has wear-resisting nozzle.
Described grain slag groove bottom is a round shape, so that slag-water slurry circles round in this grain slag groove and carries out further shrend cooling through described inlet device.
The upper end of described grain slag aiutage extends to the furnace roof (such as extending to the outer valve position that diffuses) of blast furnace, promptly adopt the principle of high altitude discharge nature condensation to realize that the condensation of steam reclaims, need not the condensation retrieving arrangement is set separately, reduce floor space, reduce investment and production run cost.
Filter once more for the thin slag of described hot water tank bottom deposit is sent in the described grain slag groove, this hot water tank is the taper tank that is provided with water-stop sheet, and its bottom links to each other with described grain slag groove by end filter recycle pump.The invention has the beneficial effects as follows:
(1) the shrend refrigerating unit among the present invention is provided with the grain slag aiutage, and the upper end of this grain slag aiutage extends to the outer valve position that diffuses of the furnace roof of blast furnace, it adopts the principle of high altitude discharge air nature condensation to realize the condensation recovery of steam, after promptly the steam in this grain slag aiutage is met freezing air in uphill process, the part vapor condenses becomes water and is back to the grain slag groove along this grain slag aiutage barrel, remainder steam is high altitude discharge just, compare with the INBA method in the present technology, the present invention need not to be provided with separately the condensation retrieving arrangement, reduce floor space, reduce investment and production run cost.
(2) input terminus of the pulp water tripping device among the present invention links to each other with the output terminal of shrend refrigerating unit, its output terminal links to each other with the input terminus of flushing cinder water circle device, slag-water slurry enters into divider and dashpot by the lower part outlet device in the grain slag groove, carry out pulp water and separate after this divider and dashpot enter dewatering drum equably, through under the effect of isolated slag particle in dewatering drum rotation by impouring grain slag conveyor belt machine on, thereby realize the sepn process of pulp water; This pulp water tripping device processing power is big, and is good to the adaptability of blast-furnace slag quantitative changeization, the dewatering efficiency height.
(3) the present invention includes the flushing cinder water circle device, the input terminus of this flushing cinder water circle device links to each other with the output terminal of pulp water tripping device, and its output terminal links to each other with the input terminus of shrend refrigerating unit, thereby can realize recycling of punching out water, do not have outer draining, improved production environment.
(4) Punched box in the above-mentioned shrend refrigerating unit is provided with the punching out plate, and the downward-sloping layout of this punching out plate also has wear-resisting nozzle, thereby has reduced the wearing and tearing of grain slag to this Punched box, has prolonged its work-ing life, and has the effect that improves the grain slag quality.
(5) above-mentioned grain slag groove bottom is a round shape, circles round in this grain slag groove and carries out further shrend cooling through inlet device thereby be beneficial to slag-water slurry, enhances productivity.
Description of drawings
Fig. 1 is the structural representation sketch of blast furnace slag processing device in the embodiment of the invention 1;
Fig. 2 is the structural representation of Punched box among Fig. 1;
Among the figure: part 1 is the slag ditch, and part 2 is Punched box (a 2-1 punching out plate), and part 3 is a grain slag groove inlet device; part 4 is the grain slag groove, and part 5 is the grain slag aiutage, and part 6 is a grain slag groove lower part outlet device; part 7 is a divider, and part 8 is a dashpot, and part 9 is a dewatering drum; part 10 is the rotary drum cover, and part 11 is a grain slag conveyor belt machine, and part 12 is a hot water tank (12-1 water-stop sheet; filter recycle pump at the bottom of the 12-2), part 13 is the overflow ditch, and part 14 is a hot tub; part 15 is a hot water pump, and part 16 is a cooling tower, and part 17 is the granulation recycle pump.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but therefore do not limit the invention among the following concrete mode.
Embodiment 1: as depicted in figs. 1 and 2, a kind of blast furnace slag processing device, this treatment unit comprises shrend refrigerating unit, pulp water tripping device and flushing cinder water circle device, wherein, the input terminus of described pulp water tripping device links to each other with the output terminal of described shrend refrigerating unit, and its output terminal links to each other with the input terminus of described flushing cinder water circle device; The output terminal of described flushing cinder water circle device links to each other with the input terminus of described shrend refrigerating unit; Described shrend refrigerating unit comprises grain slag groove 4, slag ditch 1, Punched box 2 and the grain slag aiutage 5 that has inlet device 3 and lower part outlet device 6; Wherein, described slag ditch 1 links to each other with described grain slag groove 4 by described inlet device 3 with Punched box 2; Described grain slag aiutage 5 is arranged at the top of described grain slag groove 4; Described pulp water tripping device comprises dewatering drum 9, rotary drum cover 10, grain slag conveyor belt machine 11, divider 7 and dashpot 8; Wherein, described divider 7 is positioned at described dewatering drum 9 with dashpot 8 and is connected with described grain slag groove 4 by described lower part outlet device 6; Described rotary drum cover 10 is positioned at the outside of described dewatering drum 9 and is connected with described grain slag groove 4 by vapor pipe; One end of described grain slag conveyor belt machine 11 is positioned at described dewatering drum 9, and its other end is connected to grain slag and stores and outer shipping unit; Described flushing cinder water circle device comprises hot water tank 12, overflow ditch 13, hot tub 14, hot water pump 15, cooling tower 16 and is arranged at the granulation recycle pump 17 of described cooling tower 16 bottoms; Wherein, described hot water tank 12 is positioned at the bottom of described dewatering drum 9 and links to each other with described hot tub 14 by described overflow ditch 13; Described hot tub 14 links to each other with described cooling tower 16 by hot water pump 15; Described cooling tower 16 links to each other with described Punched box 2 by described granulation recycle pump 17; Described Punched box 2 is provided with punching out plate 2-1, and the downward-sloping layout of this punching out plate 2-1 also has wear-resisting nozzle; Described grain slag groove 4 bottoms are round shape; The upper end of described grain slag aiutage 5 extends to outside the furnace roof of blast furnace; Described hot water tank 12 is for being provided with the taper tank of water-stop sheet 12-1, and its bottom links to each other with described grain slag groove 4 by end filter recycle pump 12-2.
The high velocity flow shrend cooling that is sprayed by Punched box 2 at slag ditch 1 end through main iron hook and blast furnace slag after molten iron separates, form granular grain slag, slag-water slurry after the granulation drops into grain slag groove 4 through the inlet device 3 of grain slag groove 4, the bottom of this grain slag groove 4 is a round shape, so that slag-water slurry circles round in groove and carries out further shrend cooling; Be provided with members such as filtering grid, high-order overflow port, feed opening and divider pipe connecting in this grain slag groove 4, wherein, grid is made up of the two-layer evenly distributed steel plate that intersects, and can the bulk slag in the slag-water slurry be stopped; The grain slag aiutage 5 on grain slag groove 4 tops is the high-altitude aiutage, it extends to blast furnace furnace roof (as diffusing valve position), so can collect and guide to the high-altitude to the water vapor that produces in furnace slag granulating and the dehydration, steam in the grain slag aiutage 5 is met cold empty vapour in uphill process after, the part vapor condenses becomes water and is back to grain slag groove 4, remainder steam high altitude discharge along the barrel of grain slag aiutage 5; Slag-water slurries in the grain slag groove 4 enter divider 7 and dashpot 8 by lower part outlet device 6, again by divider 7 with carry out pulp water in dashpot 8 enters dewatering drum 9 equably and separate; Dewatering drum 9 is a cylinder, comprise supporting beam in cylindrical shell skeleton, filter screen, tube intra vane pan, transmission mechanism and the tube, it leaches water by filter screen, again under the turning effort of dewatering drum 9 slag particle taken up and impouring grain slag conveyor belt machine 11 on, to finish the pulp water separating process; The outside of dewatering drum 9 is provided with high pressure water and the empty vapour washing unit of compression, is bonded on the filter screen of rotary drum to prevent thin slag, influences the pulp water separating effect; Grain slag after pulp water separates is transported to grain slag by grain slag conveyor belt machine 11 and stores and outer shipping unit; The water that dewatering drum 9 leaches enters the hot water tank 12 that is arranged on its underpart, enters into hot tub 14 by overflow ditch 13 then, and the bottom of hot water tank 12 is provided with end filter recycle pump, the thin slag of bottom aggradation can be returned grain slag groove 4 and filter once more; Hot water in the hot tub 14 enters Punched box 2 by granulation recycle pump 17 again and carries out the grain slag punching out after entering cooling tower 16 under the effect of hot water pump 15 to be cooled to design temperature, thereby finishes recycling of flushing cinder water.
Claims (8)
1. blast furnace slag processing device, it is characterized in that: this treatment unit comprises shrend refrigerating unit, pulp water tripping device and flushing cinder water circle device, wherein, the input terminus of described pulp water tripping device links to each other with the output terminal of described shrend refrigerating unit, and its output terminal links to each other with the input terminus of described flushing cinder water circle device; The output terminal of described flushing cinder water circle device links to each other with the input terminus of described shrend refrigerating unit.
2. blast furnace slag processing device as claimed in claim 1 is characterized in that: described shrend refrigerating unit comprises grain slag groove (4), slag ditch (1), Punched box (2) and the grain slag aiutage (5) that has inlet device (3) and lower part outlet device (6); Wherein, described slag ditch (1) links to each other with described grain slag groove (4) by described inlet device (3) with Punched box (2); Described grain slag aiutage (5) is arranged at the top of described grain slag groove (4).
3. blast furnace slag processing device as claimed in claim 2 is characterized in that: described pulp water tripping device comprises dewatering drum (9), rotary drum cover (10), grain slag conveyor belt machine (11), divider (7) and dashpot (8); Wherein, described divider (7) is positioned at described dewatering drum (9) with dashpot (8) and is connected with described grain slag groove (4) by described lower part outlet device (6); Described rotary drum cover (10) is positioned at the outside of described dewatering drum (9) and is connected with described grain slag groove (4) by vapor pipe; One end of described grain slag conveyor belt machine (11) is positioned at described dewatering drum (9), and its other end is connected to grain slag and stores and outer shipping unit.
4. blast furnace slag processing device as claimed in claim 3 is characterized in that: described flushing cinder water circle device comprises hot water tank (12), overflow ditch (13), hot tub (14), hot water pump (15), cooling tower (16) and is arranged at the granulation recycle pump (17) of described cooling tower (16) bottom; Wherein, described hot water tank (12) is positioned at the bottom of described dewatering drum (9) and links to each other with described hot tub (14) by described overflow ditch (13); Described hot tub (14) links to each other with described cooling tower (16) by hot water pump (15); Described cooling tower (16) links to each other with described Punched box (2) by described granulation recycle pump (17).
5. as claim 2,3 or 4 described blast furnace slag processing devices, it is characterized in that: described Punched box (2) is provided with punching out plate (2-1), and this downward-sloping layout of punching out plate (2-1) also has wear-resisting nozzle.
6. as claim 2,3 or 4 described blast furnace slag processing devices, it is characterized in that: described grain slag groove (4) bottom is a round shape.
7. blast furnace slag processing device as claimed in claim 6 is characterized in that: the upper end of described grain slag aiutage (5) extends to the blast furnace furnace roof.
8. blast furnace slag processing device as claimed in claim 4 is characterized in that: described hot water tank (12) is for being provided with the taper tank of water-stop sheet (12-1), and its bottom links to each other with described grain slag groove (4) by end filter recycle pump (12-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101047837A CN101649364B (en) | 2009-09-04 | 2009-09-04 | Blast furnace slag processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101047837A CN101649364B (en) | 2009-09-04 | 2009-09-04 | Blast furnace slag processing device |
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| CN101649364A true CN101649364A (en) | 2010-02-17 |
| CN101649364B CN101649364B (en) | 2011-08-10 |
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| CN2009101047837A Active CN101649364B (en) | 2009-09-04 | 2009-09-04 | Blast furnace slag processing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920136A (en) * | 2010-07-20 | 2010-12-22 | 南京钢铁股份有限公司 | Method and system for treating blast-furnace flushing slag water |
| CN102230037A (en) * | 2011-06-13 | 2011-11-02 | 武汉钢铁(集团)公司 | Method for controlling sand content of water body of blast furnace INBA circulating system and flow-limiting device thereof |
| CN102321773A (en) * | 2011-09-13 | 2012-01-18 | 上海盛合新能源科技有限公司 | Blast furnace slag quenching water low temperature heat electric energy transformation system |
| CN102424868A (en) * | 2012-01-12 | 2012-04-25 | 安徽工业大学 | Blast furnace smelting slag water quenching waste steam waste heat recovery system |
| CN102925609A (en) * | 2011-08-12 | 2013-02-13 | 同方节能工程技术有限公司 | Waste heat blast dehumidification system for blast furnace, and its dehumidification method |
| CN103801549A (en) * | 2014-01-26 | 2014-05-21 | 湖北兴发化工集团股份有限公司 | Method and device for water quenching of yellow phosphorus furnace slag |
| CN103937916A (en) * | 2014-05-15 | 2014-07-23 | 天津冶金集团轧三钢铁有限公司 | Slag pelletizing system |
| CN106381354A (en) * | 2016-12-05 | 2017-02-08 | 中冶赛迪工程技术股份有限公司 | Treatment system and method utilizing biochemically treated tail water of coking wastewater for slag flushing water replenishing |
| CN107528524A (en) * | 2017-08-03 | 2017-12-29 | 武汉钢铁有限公司 | The regulator control system and regulation and control method of INBA rotary drum rotating speeds |
| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
| CN109081616A (en) * | 2018-09-19 | 2018-12-25 | 山东国铭球墨铸管科技有限公司 | A kind of blast furnace melts the deep process of slag |
| CN112577324A (en) * | 2020-11-24 | 2021-03-30 | 湖南省东安湘江焊材有限公司 | Slag discharging device for flux smelting |
| WO2021057365A1 (en) * | 2019-09-25 | 2021-04-01 | 山东奇士登润滑科技有限公司 | Comprehensive system for blast furnace slag removal and transport and slag bath toxic water vapor pollution treatment |
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1177063C (en) * | 2001-05-01 | 2004-11-24 | 中冶赛迪工程技术股份有限公司 | Blast furnace slag treating system |
| LU91088B1 (en) * | 2004-07-14 | 2006-01-16 | Wurth Paul Sa | Method and device for granulating a melt |
| CN100343394C (en) * | 2004-11-05 | 2007-10-17 | 马鞍山钢铁股份有限公司 | Blast furnace cinder water quenching processing unit |
| CN200996021Y (en) * | 2006-12-28 | 2007-12-26 | 中冶南方工程技术有限公司 | Environmental-protecting blast-furnace cinder treating system |
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2009
- 2009-09-04 CN CN2009101047837A patent/CN101649364B/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920136A (en) * | 2010-07-20 | 2010-12-22 | 南京钢铁股份有限公司 | Method and system for treating blast-furnace flushing slag water |
| CN101920136B (en) * | 2010-07-20 | 2012-06-20 | 南京钢铁股份有限公司 | Method and system for treating blast-furnace flushing slag water |
| CN102230037A (en) * | 2011-06-13 | 2011-11-02 | 武汉钢铁(集团)公司 | Method for controlling sand content of water body of blast furnace INBA circulating system and flow-limiting device thereof |
| CN102925609A (en) * | 2011-08-12 | 2013-02-13 | 同方节能工程技术有限公司 | Waste heat blast dehumidification system for blast furnace, and its dehumidification method |
| CN102321773A (en) * | 2011-09-13 | 2012-01-18 | 上海盛合新能源科技有限公司 | Blast furnace slag quenching water low temperature heat electric energy transformation system |
| CN102424868A (en) * | 2012-01-12 | 2012-04-25 | 安徽工业大学 | Blast furnace smelting slag water quenching waste steam waste heat recovery system |
| CN103801549A (en) * | 2014-01-26 | 2014-05-21 | 湖北兴发化工集团股份有限公司 | Method and device for water quenching of yellow phosphorus furnace slag |
| CN103801549B (en) * | 2014-01-26 | 2015-11-18 | 湖北兴发化工集团股份有限公司 | A kind of method and apparatus of shrend yellow phosphorus furnace slag |
| CN103937916A (en) * | 2014-05-15 | 2014-07-23 | 天津冶金集团轧三钢铁有限公司 | Slag pelletizing system |
| CN103937916B (en) * | 2014-05-15 | 2015-12-30 | 天津冶金集团轧三钢铁有限公司 | Slag granulating system |
| CN106381354A (en) * | 2016-12-05 | 2017-02-08 | 中冶赛迪工程技术股份有限公司 | Treatment system and method utilizing biochemically treated tail water of coking wastewater for slag flushing water replenishing |
| CN106381354B (en) * | 2016-12-05 | 2018-12-11 | 中冶赛迪工程技术股份有限公司 | A kind of coking wastewater biochemical tail water is used for the processing system and method for flushing cinder moisturizing |
| CN107528524A (en) * | 2017-08-03 | 2017-12-29 | 武汉钢铁有限公司 | The regulator control system and regulation and control method of INBA rotary drum rotating speeds |
| CN107528524B (en) * | 2017-08-03 | 2020-05-05 | 武汉钢铁有限公司 | System and method for regulating and controlling rotating speed of INBA rotary drum |
| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
| CN109081616A (en) * | 2018-09-19 | 2018-12-25 | 山东国铭球墨铸管科技有限公司 | A kind of blast furnace melts the deep process of slag |
| WO2021057365A1 (en) * | 2019-09-25 | 2021-04-01 | 山东奇士登润滑科技有限公司 | Comprehensive system for blast furnace slag removal and transport and slag bath toxic water vapor pollution treatment |
| CN112577324A (en) * | 2020-11-24 | 2021-03-30 | 湖南省东安湘江焊材有限公司 | Slag discharging device for flux smelting |
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
| WO2023168939A1 (en) * | 2022-03-10 | 2023-09-14 | 中冶赛迪工程技术股份有限公司 | Environmentally-friendly ironmaking slag treatment system |
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| CN101649364B (en) | 2011-08-10 |
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