CN102787187B - System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat - Google Patents
System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat Download PDFInfo
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- CN102787187B CN102787187B CN2012103179067A CN201210317906A CN102787187B CN 102787187 B CN102787187 B CN 102787187B CN 2012103179067 A CN2012103179067 A CN 2012103179067A CN 201210317906 A CN201210317906 A CN 201210317906A CN 102787187 B CN102787187 B CN 102787187B
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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
-
- 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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- 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
- C21B2400/074—Tower structures for cooling, being confined but not sealed
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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
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
-
- 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
Abstract
The invention discloses a system and a method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat. The system comprises a blast-furnace slag washing subsystem, a precipitation heat exchange subsystem and a low-temperature power generating subsystem, and exhaust steam and high-temperature slag washing water are separated from the slag washing water after slag washing of the blast-furnace slag washing subsystem, and then are delivered into the low-temperature power generating subsystem for generating power by the slag washing water after heat exchange of the heat exchange subsystem. Compared with the prior art, when recycling the blast-furnace slag washing water and the exhaust steam low-temperature waste heat, the system has the advantages that heat in the slag washing subsystem is comprehensively recycled so that the efficiency of the power generating subsystem is improved, cooling towers are dual-purpose, the number of the cooling towers is decreased, field resources are used, the blast-furnace slag washing water and the exhaust steam waste heat resources are recycled, energy is saved, emission is reduced, and fine economic and social benefits are achieved.
Description
Technical field
The present invention relates to a kind of waste heat of coke-oven flue gas recovery and utilization technology field, particularly a kind of blast furnace slag quenching water and weary steam low-temperature afterheat generating system and method.
Technical background
Produce temperature in the blast furnace ironmaking process up to 1450 ℃ of high-temperature molten slags, contain a large amount of residual heat resources.Existing technique mainly adopts the shrend mode to carry out recycling treatment, produce a large amount of weary steam and hot flushing cinder water during furnace slag granulating, heat of slags is discharged in environment via weary steam and hot flushing cinder water, needs a large amount of electric power when the flushing cinder water cycle is cooling simultaneously, causes heat energy, the waste of electric power equal energy source.
Furnace slag granulating technique is very ripe, and " grain slag " of generation has very high activity, not only can be used as the grog of cement, can be used as very much construction industry concrete " additive ".Northeastern University and some scientific research institution once recycled research with quench method and additive method of wind to the blast-furnace slag waste heat, but the final activity that has changed slag due to this method makes slag be difficult to recycling, therefore can't promotion and implementation.
Have at present a small amount of blast furnace slag quenching water waste heat recovery to be mainly used in warming or daily having a bath, more flushing cinder water and weary steam low-temperature residual heat resources are not fully used.Even to blast furnace slag quenching water and waste heat recovery that weary steam is with and utilization, but it is not thorough to exist the recovery of the slag system institute heat content that liquidates, a large amount of bands have surplus heat weary steam by chimney discharged to atmosphere, increase thermal pollution and visual pollution problem that weary steam chimney causes; Simultaneously, blast furnace slag quenching water and weary steam are with a large amount of residual heat resources wastes, and discharging enters atmosphere and pollutes, and produces serious society and environmental problem.
Summary of the invention
The object of the invention is to provide a kind of blast furnace slag quenching water and weary steam low-temperature afterheat generating system and method, not thorough with the recovery that solves the slag system institute heat content that liquidates in prior art, a large amount of bands have surplus heat weary steam by chimney discharged to atmosphere, increase thermal pollution and visual pollution that weary steam chimney causes; Simultaneously, blast furnace slag quenching water and weary steam are with a large amount of residual heat resources wastes, and discharging enters atmosphere and pollutes, and produces serious society and the technical matters of environmental problem.
The object of the invention is achieved through the following technical solutions:
A kind of blast furnace slag quenching water and weary steam low-temperature afterheat generating system comprise blast furnace slag flushing subsystem, precipitation heat exchange subsystem and low-temperature electricity-generating subsystem,
The blast furnace slag flushing subsystem comprises quenching of blast furnace slag prilling granulator and the weary steam introducing device that produces weary steam and high temperature flushing cinder water,
Precipitation heat exchange subsystem further comprises settling tank and heat-exchanger rig, be provided with lack steam thermal amount withdrawer in described heat-exchanger rig, the high temperature flushing cinder water out of quenching of blast furnace slag prilling granulator connects settling tank, the outlet of settling tank connects lack steam thermal amount withdrawer, the weary vapour outlet of quenching of blast furnace slag prilling granulator is connected to described settling tank by heat-exchanger rig, the outlet of lack steam thermal amount withdrawer is connected to described low-temperature electricity-generating subsystem
Described low-temperature electricity-generating subsystem comprises low boiling working fluid low-temperature generation device and refrigerating unit at least, the hot water inlet end of described low boiling working fluid low-temperature generation device is connected with the outlet of lack steam thermal amount withdrawer, the hot water outlet end of described low boiling working fluid low-temperature generation device, cooling water inlet end, cooling water outlet end are connected with refrigerating unit respectively, one outlet of refrigerating unit also connects quenching of blast furnace slag prilling granulator
also comprise following circulation passage, the weary steam that described quenching of blast furnace slag prilling granulator produces carries out forming weary steam condensate after heat exchange through lack steam thermal amount withdrawer and flushing cinder water, then enter settling tank, quenching of blast furnace slag prilling granulator, heat-exchanger rig and settling tank form weary vapour stream circulation passage thus, the high temperature flushing cinder water that described quenching of blast furnace slag prilling granulator produces purifies through settling tank, again through the heat exchange of lack steam thermal amount withdrawer, send into the low boiling working fluid low-temperature generation device and utilize its heat generating, it is sent into refrigerating unit through power generation system backlash pulp water and carries out cooling, cooled flushing cinder water section enters the low boiling working fluid low-temperature generation device as cold water and is used, another part water enters quenching of blast furnace slag prilling granulator and inputs water as it, with this quenching of blast furnace slag prilling granulator, settling tank, lack steam thermal amount withdrawer, the low boiling working fluid low-temperature generation device, refrigerating unit, quenching of blast furnace slag prilling granulator forms the whole recycle passage of flushing cinder water, and low boiling working fluid low-temperature generation device, refrigerating unit form flushing cinder water generating system recycle passage.
Be provided with the water pump that the slag-washing-out pump after purifying is entered lack steam thermal amount withdrawer between the outlet of described settling tank and lack steam thermal amount withdrawer.
A kind of electricity-generating method that utilizes blast furnace slag quenching water and weary steam low-temperature afterheat generating system comprises the following steps:
(1) flushing cinder water with the molten blast furnace slag particle, produces weary steam and high temperature flushing cinder water by quenching of blast furnace slag prilling granulator, and high temperature flushing cinder water purifies through the settling tank precipitation, enters lack steam thermal amount withdrawer through water pump;
(2) the weary steam and the high temperature flushing cinder water that reclaim carry out heat exchange in lack steam thermal amount withdrawer, after exchange, weary steam condensate enters settling tank through pipeline, and the high temperature flushing cinder water that reclaims the lack steam thermal amount enters the low boiling working fluid low-temperature generation device by low boiling working fluid low-temperature generation device hot water inlet;
(3) the low boiling working fluid low-temperature generation device utilizes flushing cinder hydro-thermal amount to generate electricity, and output power send the user to use;
(4) the flushing cinder water after the generating is flowed out by the hot water outlet of low boiling working fluid low-temperature generation device, entering refrigerating unit carries out cooling, through cooled flushing cinder water as the power generation system water coolant, cold water inlet by the low boiling working fluid low-temperature generation device enters condenser, and it is again cooling that condensation working medium enters refrigerating unit by the outflow of low boiling working fluid low-temperature generation device cooling water outlet;
(5) the flushing cinder water in refrigerating unit is except entering low boiling working fluid low-temperature generation device cold water inlet part, and other is all again sent into quenching of blast furnace slag prilling granulator and recycles
Compared with prior art, the present invention has following beneficial effect:
1, a kind of blast furnace slag quenching water of the present invention and weary steam low-temperature afterheat generating system and the method comprehensive recovery of slag system institute heat content that liquidates, namely increased weary steam heat recovery, reduce thermal pollution and visual pollution that weary steam chimney causes, improved simultaneously power generation system efficient;
2, a kind of blast furnace slag quenching water of the present invention and weary steam low-temperature afterheat generating system and method are to utilize the refrigerating function of refrigerating unit self that the condensation of generating set working medium is provided, reduce the refrigerating unit load, improve the quality of blast furnace granulated slag, reduce refrigerating unit quantity, place resource by " tower is dual-purpose ";
3, a kind of blast furnace slag quenching water of the present invention and weary steam low-temperature afterheat generating system and method have reclaimed blast furnace slag quenching water and weary steam waste heat resource, and save energy reduces discharging, produces good economic and social benefit.
Description of drawings
Fig. 1 is the process flow sheet of a kind of blast furnace slag quenching water of the present invention of the present invention and weary steam low-temperature afterheat generating system and method.
Embodiment
Below in conjunction with accompanying drawing, describe the present invention in detail.
see also Fig. 1, a kind of blast furnace slag quenching water and weary steam low-temperature afterheat generating system, comprise the blast furnace slag flushing subsystem, precipitation heat exchange subsystem and low-temperature electricity-generating subsystem, the blast furnace slag flushing subsystem comprises quenching of the blast furnace slag prilling granulator 11 of weary steam introducing device 1 and high temperature flushing cinder water, precipitation heat exchange subsystem further comprises settling tank 21 and heat-exchanger rig 2, be provided with lack steam thermal amount withdrawer 22 in heat-exchanger rig 2, the high temperature flushing cinder water out of quenching of blast furnace slag prilling granulator 11 connects settling tank 21, the outlet of settling tank 21 connects lack steam thermal amount withdrawer 22, the weary steam of quenching of blast furnace slag prilling granulator 11 enters in heat-exchanger rig 2 by steam introducing device 1, weary steam in heat-exchanger rig 2 with 22 heat exchange of lack steam thermal amount withdrawer, become water of condensation to enter settling tank 21 after weary steam heat-exchanging, the outlet of lack steam thermal amount withdrawer 22 is connected to described low-temperature electricity-generating subsystem.
in this example, the low-temperature electricity-generating subsystem comprises low boiling working fluid low-temperature generation device 31 and refrigerating unit 32, adopt low boiling working fluid low-temperature electricity-generating principle to utilize the generating of flushing cinder heat that water is with, the hot water inlet end of described low boiling working fluid low-temperature generation device 31 is connected with the outlet of lack steam thermal amount withdrawer 22, the hot water outlet end of described low boiling working fluid low-temperature generation device 31, the cooling water inlet end, the cooling water outlet end is connected with refrigerating unit 32 respectively, one outlet of refrigerating unit 32 also connects quenching of blast furnace slag prilling granulator 11, refrigerating unit 32 is cooling tower, flushing cinder water after both can cooling generating, provide required water coolant for low boiling working fluid low-temperature generation device 31 again, realized the dual-purpose effect of a tower.
Wherein, the weary steam that quenching of blast furnace slag prilling granulator 11 produces is through heat-exchanger rig 2, carry out forming weary steam condensate after heat exchange with the flushing cinder water in lack steam thermal amount withdrawer 22, then enter settling tank 21, quenching of blast furnace slag prilling granulator 11, heat-exchanger rig 2 and settling tank 21 form weary vapour stream circulation passage thus.
in addition, the high temperature flushing cinder water that quenching of blast furnace slag prilling granulator 11 produces purifies through settling tank 21, again through the heat exchange of lack steam thermal amount withdrawer 22, send into low boiling working fluid low-temperature generation device 31 and utilize its heat generating, it is sent into refrigerating unit 32 through power generation system backlash pulp water and carries out cooling, cooled flushing cinder water can partly enter low boiling working fluid low-temperature generation device 31 as cold water and be used, another part water enters quenching of blast furnace slag prilling granulator 11 as its input water, with this quenching of blast furnace slag prilling granulator 11, settling tank 21, lack steam thermal amount withdrawer 22, low boiling working fluid low-temperature generation device 31, refrigerating unit 32, quenching of blast furnace slag prilling granulator 11 forms the whole recycle passage of flushing cinder water, and low boiling working fluid low-temperature generation device 31, refrigerating unit 32 forms flushing cinder water generating system recycle passage.
A large amount of butterfly valves 4 and water pump 5 have been adopted in system, be mainly reflected in, lack steam thermal amount withdrawer 22 and low boiling working fluid low-temperature generation device 31 junctions, refrigerating unit 32 are respectively equipped with butterfly valve 4 with quenching of blast furnace slag prilling granulator 11 junctions, be provided with the water pump 5 that the slag-washing-out pump after purifying is entered lack steam thermal amount withdrawer 22 between the outlet of described settling tank 21 and lack steam thermal amount withdrawer 22, described refrigerating unit 32 also is provided with quenching of blast furnace slag prilling granulator 11 junctions the water pump 5 that the slag-washing-out pump in refrigerating unit 32 is entered quenching of blast furnace slag prilling granulator 11.
With reference to accompanying drawing 1, further implementation method of the present invention is described.
This example comprises the following steps:
(1) flushing cinder water with the molten blast furnace slag particle, produces weary steam and high temperature flushing cinder water by quenching of blast furnace slag prilling granulator 11, and high temperature flushing cinder water purifies through settling tank 21 precipitations, enters lack steam thermal amount withdrawer 22 through water pump 5;
(2) the weary steam and the high temperature flushing cinder water that reclaim carry out heat exchange in lack steam thermal amount withdrawer 22, after exchange, weary steam condensate enters settling tank 21 through pipeline, and the high temperature flushing cinder water that reclaims the lack steam thermal amount enters low boiling working fluid low-temperature generation device 31 by low boiling working fluid low-temperature generation device 31 hot water inlets;
(3) low boiling working fluid low-temperature generation device 31 utilizes flushing cinder hydro-thermal amount to generate electricity, and output power send the user to use;
(4) the flushing cinder water after the generating is flowed out by the hot water outlet of low boiling working fluid low-temperature generation device 31, entering refrigerating unit 32 carries out cooling, can be used as the power generation system water coolant through cooled flushing cinder water, cold water inlet by low boiling working fluid low-temperature generation device 31 enters condenser, and it is again cooling that condensation working medium enters refrigerating unit 32 by the 31 cooling water outlets outflows of low boiling working fluid low-temperature generation device;
(5) the flushing cinder water in refrigerating unit 32 is except entering low boiling working fluid low-temperature generation device 31 cold water inlet parts, and other is all again sent into quenching of blast furnace slag prilling granulator 11 and recycles.
Comprehensive the above structure of the present invention and implementation method are as can be known, the liquidate comprehensive recovery of slag system institute heat content of a kind of blast furnace slag quenching water of the present invention and weary steam low-temperature afterheat generating system and method, namely increased weary steam heat recovery, reduce thermal pollution and visual pollution that weary steam chimney causes, improved simultaneously power generation system efficient; Simultaneously, utilize the refrigerating function of refrigerating unit self that the condensation of generating set working medium is provided, reduce the refrigerating unit load, improve the quality of blast furnace granulated slag, reduce refrigerating unit quantity, place resource by " tower is dual-purpose "; And having reclaimed blast furnace slag quenching water and weary steam waste heat resource, save energy reduces discharging, produces good economic and social benefit.
Above disclosed be only several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's protection domain.
Claims (3)
1. a blast furnace slag quenching water and weary steam low-temperature afterheat generating system, is characterized in that, comprises blast furnace slag flushing subsystem, precipitation heat exchange subsystem and low-temperature electricity-generating subsystem,
The blast furnace slag flushing subsystem comprises quenching of blast furnace slag prilling granulator and the weary steam introducing device that produces weary steam and high temperature flushing cinder water,
Precipitation heat exchange subsystem further comprises settling tank and heat-exchanger rig, be provided with lack steam thermal amount withdrawer in described heat-exchanger rig, the high temperature flushing cinder water out of quenching of blast furnace slag prilling granulator connects settling tank, the outlet of settling tank connects lack steam thermal amount withdrawer, the weary vapour outlet of quenching of blast furnace slag prilling granulator is connected to described settling tank by heat-exchanger rig, the outlet of lack steam thermal amount withdrawer is connected to described low-temperature electricity-generating subsystem
Described low-temperature electricity-generating subsystem comprises low boiling working fluid low-temperature generation device and refrigerating unit at least, the hot water inlet end of described low boiling working fluid low-temperature generation device is connected with the outlet of lack steam thermal amount withdrawer, the hot water outlet end of described low boiling working fluid low-temperature generation device, cooling water inlet end, cooling water outlet end are connected with refrigerating unit respectively, one outlet of refrigerating unit also connects quenching of blast furnace slag prilling granulator
also comprise following circulation passage, the weary steam that described quenching of blast furnace slag prilling granulator produces carries out forming weary steam condensate after heat exchange through lack steam thermal amount withdrawer and flushing cinder water, then enter settling tank, quenching of blast furnace slag prilling granulator, heat-exchanger rig and settling tank form weary vapour stream circulation passage thus, the high temperature flushing cinder water that described quenching of blast furnace slag prilling granulator produces purifies through settling tank, again through the heat exchange of lack steam thermal amount withdrawer, send into the low boiling working fluid low-temperature generation device and utilize its heat generating, it is sent into refrigerating unit through power generation system backlash pulp water and carries out cooling, cooled flushing cinder water section enters the low boiling working fluid low-temperature generation device as cold water and is used, another part water enters quenching of blast furnace slag prilling granulator and inputs water as it, with this quenching of blast furnace slag prilling granulator, settling tank, lack steam thermal amount withdrawer, the low boiling working fluid low-temperature generation device, refrigerating unit, quenching of blast furnace slag prilling granulator forms the whole recycle passage of flushing cinder water, and low boiling working fluid low-temperature generation device, refrigerating unit form flushing cinder water generating system recycle passage.
2. a kind of blast furnace slag quenching water as claimed in claim 1 and weary steam low-temperature afterheat generating system, is characterized in that, is provided with the water pump that the slag-washing-out pump after purifying is entered lack steam thermal amount withdrawer between the outlet of described settling tank and described lack steam thermal amount withdrawer.
3. an electricity-generating method that utilizes a kind of blast furnace slag quenching water claimed in claim 1 and weary steam low-temperature afterheat generating system, is characterized in that, comprises the following steps:
(1) flushing cinder water with the molten blast furnace slag particle, produces weary steam and high temperature flushing cinder water by quenching of blast furnace slag prilling granulator, and high temperature flushing cinder water purifies through the settling tank precipitation, enters lack steam thermal amount withdrawer through water pump;
(2) the weary steam and the high temperature flushing cinder water that reclaim carry out heat exchange in lack steam thermal amount withdrawer, after exchange, weary steam condensate enters settling tank through pipeline, and the high temperature flushing cinder water that reclaims the lack steam thermal amount enters the low boiling working fluid low-temperature generation device by low boiling working fluid low-temperature generation device hot water inlet;
(3) the low boiling working fluid low-temperature generation device utilizes flushing cinder hydro-thermal amount to generate electricity, and output power send the user to use;
(4) the flushing cinder water after the generating is flowed out by the hot water outlet of low boiling working fluid low-temperature generation device, entering refrigerating unit carries out cooling, through cooled flushing cinder water as the power generation system water coolant, cold water inlet by the low boiling working fluid low-temperature generation device enters condenser, and it is again cooling that condensation working medium enters refrigerating unit by the outflow of low boiling working fluid low-temperature generation device cooling water outlet;
(5) the flushing cinder water in refrigerating unit is except entering low boiling working fluid low-temperature generation device cold water inlet part, and other is all again sent into quenching of blast furnace slag prilling granulator and recycles.
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| CN2012103179067A CN102787187B (en) | 2012-08-31 | 2012-08-31 | System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat |
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| CN2012103179067A CN102787187B (en) | 2012-08-31 | 2012-08-31 | System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913071A (en) * | 2013-01-08 | 2014-07-09 | 魏新委 | Metallurgical slag flue gas treatment process |
| CN104250669A (en) * | 2013-06-28 | 2014-12-31 | 北京亿玮坤节能科技有限公司 | Blast furnace slag flushing steam waste heat recycling method and system |
| CN103740871B (en) * | 2014-01-13 | 2016-04-06 | 洛阳隆华传热节能股份有限公司 | A kind of recovery system of flushing cinder water and steam and method |
| CN103981306B (en) * | 2014-05-25 | 2016-06-29 | 北京首钢国际工程技术有限公司 | The waste heat recycle method of blast furnace slag water quenching granulation and device |
| CN106498102A (en) * | 2015-09-06 | 2017-03-15 | 姜学仕 | Boiler steam/water circulating method residues processing technique |
| CN105714005B (en) * | 2016-02-24 | 2019-01-29 | 武汉理工大学 | A kind of system and technique based on metallurgy high furnace slag and fume afterheat thermo-electric generation |
| CN105783535A (en) * | 2016-03-17 | 2016-07-20 | 上海齐耀科技集团有限公司 | Waste heat recovery system and method for slag flushing steam of blast furnace |
| CN107906971B (en) * | 2017-12-07 | 2023-09-08 | 无锡三达环保科技有限公司 | High, medium and low waste heat recycling system for solidification heat of blast furnace ore slag |
| CN108253808A (en) * | 2018-02-26 | 2018-07-06 | 西王金属科技有限公司 | Blast furnace slag flushing waste heat and sintering flue gas waste heat comprehensive utilization system and method |
| CN108774655B (en) * | 2018-08-21 | 2023-08-04 | 北京京诚科林环保科技有限公司 | Exhaust steam emission reduction device and exhaust steam emission reduction method for blast furnace water slag granulation tower |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550461A (en) * | 2009-04-13 | 2009-10-07 | 杭州锅炉集团股份有限公司 | Recovery method of blast furnace slag water residual heat and method thereof |
| CN102392085A (en) * | 2011-11-21 | 2012-03-28 | 济南钢铁股份有限公司 | Blast furnace slag waste heat recycling system |
-
2012
- 2012-08-31 CN CN2012103179067A patent/CN102787187B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550461A (en) * | 2009-04-13 | 2009-10-07 | 杭州锅炉集团股份有限公司 | Recovery method of blast furnace slag water residual heat and method thereof |
| CN102392085A (en) * | 2011-11-21 | 2012-03-28 | 济南钢铁股份有限公司 | Blast furnace slag waste heat recycling system |
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| CP03 | Change of name, title or address |
Address after: 201999 Baoshan District, G Road, Lane No. 550, No. 7, business building, floor 2, level 3, level Patentee after: SHANGHAI BAOSTEEL ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 201999, room 1813, 3245 Mudanjiang Road, Shanghai, Baoshan District Patentee before: Shanghai Baosteel Energy Tech Co., Ltd. |