CN101788233B - Heating-furnace cogeneration system and method thereof - Google Patents
Heating-furnace cogeneration system and method thereof Download PDFInfo
- Publication number
- CN101788233B CN101788233B CN2010101143447A CN201010114344A CN101788233B CN 101788233 B CN101788233 B CN 101788233B CN 2010101143447 A CN2010101143447 A CN 2010101143447A CN 201010114344 A CN201010114344 A CN 201010114344A CN 101788233 B CN101788233 B CN 101788233B
- Authority
- CN
- China
- Prior art keywords
- oven
- heating
- furnace
- boiler
- superheated steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Air Supply (AREA)
Abstract
The invention relates to a heating-furnace cogeneration system and a method thereof, and belongs to the field of waste energy and heat recovery. The cogeneration system comprises a heating furnace, a heating-furnace waste heat boiler, a heating-furnace air preheater, a heating-furnace heat-pipe coal gas preheater, a heating-furnace tail suction fan, a superheated steam boiler, a turbogenerator set and a chemical water system, wherein the heating-furnace tail is orderly provided with the heating-furnace waste heat boiler, the heating-furnace air preheater, the heating-furnace heat-pipe coal gas preheater and the heating-furnace tail suction fan along the fume flow direction, and used for recovering the fume waste heat of the heating furnace; the heating-furnace waste heat boiler is used for generating electricity; and the chemical water system is used for providing supplementary water for the heating-furnace waste heat boiler and the superheated steam boiler. The invention enables the superheated steam boiler to still ensure the low-load stable operation of the cogeneration system when heating furnace is to be rolled, increases the steam parameter of the heating-furnace waste heat generating equipment by utilizing the superheated steam boiler, and enhances the generating efficiency. The invention maximally recovers the waste heat of the heating furnace, thereby having favorable economic and environmental benefits and high values for application and popularization.
Description
Technical field
The invention belongs to complementary energy heat recovery field, particularly a kind of heating-furnace cogeneration system and method thereof are applicable to Iron And Steel Plant's steel rolling heating furnace cogeneration.
Background technique
Iron and steel enterprise's steel rolling heating furnace directly affects the cost of production of enterprise as the energy consumption rich and influential family.Generally about 30%, energy consumption is high, the using energy source level is low, has caused a large amount of energy wastes as a kind of thermal efficiency of heating plant for general oven.Therefore reclaiming the existing good economic benefits of oven waste heat has certain environmental benefit again.
At present, iron and steel enterprise adopts vaporization cooling walking beam heating furnace more, and general fuel is mixed gas, and fume exhausting type is a natural smoke extraction.Oven preheating section temperature of exhaust fume is generally at 850-900 ℃, and common use is mixed air cooler and reduced temperature of exhaust fume protection air preheater and gas preheating device.Mixing under the situation that air cooler puts into operation oven tail temperature of exhaust fume still more than 400 ℃.Mainly taking the heat recovery mode at present is to utilize oven smoke evacuation in back-end ductwork, carrying out air preheat, gas preheating, perhaps arranges that at back-end ductwork exhaust heat boiler produces steam, the direct generation of electricity.There are some problems in these heat recovery modes in actual moving process: (1) adopts air preheat, gas preheating only to reclaim the partial fume heat, and recovery waste heat is limited in one's ability.(2) adopt the direct generation of electricity of heat recovery steam, because the steam parameter that exhaust heat boiler produced is low, direct generation of electricity efficient is low.(3) because oven is often to be rolled, the steam that causes exhaust heat boiler to produce is discontinuous, and afterheat generating system can not stable operation.
In view of above-mentioned defective, should improve oven heat recovery mode, its key problem is exactly as far as possible efficiently to utilize the waste heat of recovery, the contradiction between solving simultaneously that oven is to be rolled and needing to move continuously with heating-furnace cogeneration system.
Summary of the invention
The object of the present invention is to provide heating-furnace cogeneration system and method thereof; At first through configuration to the superheated steam boiler combustion system; Make superheated steam boiler under oven situation to be rolled, still can guarantee the stable operation of afterheat generating system low-load, solved and produced discontinuous when oven is to be rolled and problem that afterheat generating system that cause can't move continuously; Next utilizes superheated steam boiler to improve heating-furnace cogeneration equipment steam parameter, has improved generating efficiency; Last the present invention has carried out reclaiming to greatest extent to the oven waste heat, and good economic benefits and environmental benefit are arranged, and has application and promotional value preferably.Maximum possible reclaims waste heat of flue gas of heating furnace; Improve residual heat generating efficiency as far as possible; Contradiction between solving that oven is to be rolled and needing to move continuously with heating-furnace cogeneration system.
System of the present invention comprises oven, oven exhaust heat boiler, oven air preheater, oven hot tube gas preheating device, oven tail suction fan, superheated steam boiler, Turbo-generator Set, chemical water system etc.The present invention arranges oven exhaust heat boiler, oven air preheater, oven hot tube gas preheating device, oven tail suction fan at the oven afterbody along flue gas flow direction successively, fully reclaims waste heat of flue gas of heating furnace.The entering Turbo-generator Set was generated electricity after the saturated vapour entering superheated steam boiler that the oven exhaust heat boiler produces further improved temperature.The chemical water system is mainly the oven exhaust heat boiler and superheated steam boiler provides supplementing water.
Chemical water of the present invention system handles former water, reduces hardness of water and salinity, for oven exhaust heat boiler and superheated steam boiler provide chemistry filled water.
The technology of cogeneration of the present invention comprises the carbonated drink circulation process of waste heat of flue gas of heating furnace recovery process and Turbo-generator Set; Concrete technology is following:
The waste heat of flue gas of heating furnace recovery process: 1000 ℃-850 ℃ of oven preheating section temperature of exhaust fume (looking feeding temperature situation difference to some extent), behind oven exhaust heat boiler recovery heat generation saturated vapour, temperature of exhaust fume is 650 ℃-550 ℃.Behind the flue gas process oven air preheater preheated air, temperature of exhaust fume is 300 ℃-250 ℃.Behind the flue gas process oven gas preheating device preheating gas, temperature of exhaust fume is reduced to 150 ℃.Flue gas of heating furnace enters the oven chimney through oven tail suction fan at last, finally enters atmosphere.In the present invention, original air cooler of mixing needn't move.
The carbonated drink circulation process of Turbo-generator Set: the saturated vapour that the oven exhaust heat boiler produces is sent into the superheater influent header of superheated steam boiler, and saturated vapour is sent into Turbo-generator Set behind the Turbo-generator Set nominal parameter and generated electricity through overheated reaching.The water of condensation that Turbo-generator Set produces is sent into low-pressure heater through condensate pump; The thermal source of low-pressure heater is provided by the saturated vapour that oven water beam vaporization cooling drum produces; Heated water of condensation is sent into high-pressure heater by feed water pump after getting into the higher-pressure deaerator deoxygenation.High-pressure feed water sends into superheated steam boiler respectively and the oven exhaust heat boiler carries out the carbonated drink circulation.The hydrophobic of low-pressure heater delivered to the low pressure oxygen-eliminating device by drainage pump after flowing into lower water box, get into oven water beam vaporization cooling recirculation system.The oven water beam vaporization cooling institute saturated vapour that produces is no longer directly supplied plant area's pipe network, changes by the adjusting of the Turbo-generator Set supply of drawing gas.
Main innovate point of the present invention is:
(1) utilizes the adjusting of superheated steam boiler steam output, the contradiction between solving that oven is to be rolled and needing to move continuously with heating-furnace cogeneration system.
(2) improve the power generation system steam parameter through superheated steam boiler, improve the generating efficiency of heat recovery steam.
(3) the oven temperature of exhaust fume is reduced to 150 ℃, the oven heat recovery level that reaches capacity.
Good effect of the present invention is following:
(1) it is overheated that the oven exhaust heat boiler mixes the back with superheated steam boiler institute producing steam, guarantees the stable operation of power generation system.To be rolled in the oven generation, under the situation that oven exhaust heat boiler steam producing amount descends.Superheated steam boiler produces a part of steam as replenishing, and has guaranteed the stable of the required steam of power generation system.Solve the to be rolled and heating-furnace cogeneration system of oven like this and needed the contradiction between the operation continuously.
(2) saturated vapour of oven exhaust heat boiler generation improves steam parameter through superheated steam boiler, improves residual heat generating efficiency.The saturated vapour that the oven exhaust heat boiler produces mixes at the superheater influent header of superheated steam boiler with the saturated vapour that superheated steam boiler is produced; Deliver to and carry out overheatedly in the superheated steam boiler, reach and get into power generation system after the unit requirement parameter and generate electricity.
(3) superheated steam boiler adopts movable flame central burner system, guarantees superheated steam boiler stable operation under low-load.The superheated steam boiler flame kernel can move up and down with working conditions change.When oven normally moves, move on the flame kernel, the steam output of boiler descends; When oven was to be rolled, flame kernel moves down boiler capacity to be increased.Guaranteed the stable operation of Turbo-generator Set.
(4) cascade utilization waste heat of flue gas of heating furnace requires to arrange exhaust heat boiler, air preheater, gas preheating device successively that temperature of exhaust fume is reduced to 150 ℃, and heat recovery is reached capacity according to different temperature.
(5) replace original low-pressure heater is drawn gas with oven vaporization cooling step rate institute producing steam, further efficiently utilize the oven waste heat to improve generating efficiency.
Major technique advantage of the present invention: (1) utilizes superheated steam boiler, has guaranteed the stable operation of afterheat generating system.(2) through superheated steam boiler, improved the parameter of heat recovery steam, improved generating efficiency.In addition, the present invention does not carry out big change to oven, does not influence the original performance of oven, and investment is short return period, instant effect.
The present invention has carried out important improvement to existing heating-furnace cogeneration technology, has good application and promotional value.
Description of drawings
Fig. 1 is an oven heat-recovering generating plant system schematic of the present invention.Wherein, oven 1, oven exhaust heat boiler 2, oven air preheater 3, oven gas preheating device 4, oven tail suction fan 5, oven blower 6, Turbo-generator Set 7, condensate pump 8, low-pressure heater 9, higher-pressure deaerator 10, feed water pump 11, high-pressure heater 12, superheated steam boiler 13, low level drain tank 14, drainage pump 15, low pressure oxygen-eliminating device 16, vaporization are cooled off drum 17, water beam coolant circulation pump 18, are mixed air cooler 19, oven chimney 20.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
System of the present invention comprises oven 1, oven exhaust heat boiler 2, oven air preheater 3, oven hot tube gas preheating device 4, oven tail suction fan 5, superheated steam boiler 13, Turbo-generator Set 7, chemical water system etc.The present invention arranges oven exhaust heat boiler 2, oven air preheater 3, oven hot tube gas preheating device 4, oven tail suction fan 5 at oven 1 afterbody along flue gas flow direction successively, fully reclaims waste heat of flue gas of heating furnace.Entering Turbo-generator Set 7 was generated electricity after the saturated vapour that oven exhaust heat boiler 2 produces got into superheated steam boiler 13 further raising temperature.The chemical water system is mainly the oven exhaust heat boiler and superheated steam boiler provides supplementing water.
Referring to accompanying drawing 1, oven heat-recovering generating plant system schematic of the present invention.The waste heat of flue gas of heating furnace recovery process: 1000 ℃-850 ℃ of oven 1 preheating section temperature of exhaust fume (looking feeding temperature situation difference to some extent), behind oven exhaust heat boiler 2 recovery heats generation saturated vapours, temperature of exhaust fume is about 650 ℃-550 ℃.Behind flue gas process oven air preheater 3 preheated airs, temperature of exhaust fume is about 300 ℃-250 ℃.Behind flue gas process oven gas preheating device 4 preheating gas, temperature of exhaust fume is reduced to about 150 ℃.Flue gas of heating furnace enters oven chimney 20 through oven tail suction fan 5 at last, finally enters atmosphere.In the present invention, original air cooler 19 of mixing needn't move.The carbonated drink circulation process of Turbo-generator Set: the saturated vapour that oven exhaust heat boiler 2 produces is sent into the superheater influent header of superheated steam boiler 13, and saturated vapour is sent into Turbo-generator Set 7 behind the Turbo-generator Set nominal parameter and generated electricity through overheated reaching.The water of condensation that Turbo-generator Set 7 produces is sent into low-pressure heater 9 through condensate pump 8; The thermal source of low-pressure heater 9 is provided by the saturated vapour that oven water beam vaporization cooling drum 17 produces; Heated water of condensation is sent into high-pressure heater 12 by feed water pump 11 after getting into higher-pressure deaerator 10 deoxygenations.High-pressure feed water is sent into superheated steam boiler 13 respectively and is carried out the carbonated drink circulation with oven exhaust heat boiler 2.The hydrophobic of low-pressure heater 9 delivered to low pressure oxygen-eliminating device 16 by drainage pump 15 after flowing into lower water box 14, get into oven water beam vaporization cooling recirculation system.The oven water beam vaporization cooling institute saturated vapour that produces is no longer directly supplied plant area's pipe network, changes by the adjusting of Turbo-generator Set 7 supply of drawing gas.
The present invention can the flexible adaptation oven various operating conditionss, and do not influence original production status of oven.Improve the Operational Limits of oven exhaust heat boiler, improved residual heat generating efficiency.In sum, the present invention has good economic benefits, has good application and promotional value.
Claims (3)
1. a heating-furnace cogeneration system comprises oven, oven exhaust heat boiler, oven air preheater, oven hot tube gas preheating device, oven tail suction fan, superheated steam boiler, Turbo-generator Set, chemical water system; It is characterized in that, arrange oven exhaust heat boiler (2), oven air preheater (3), oven hot tube gas preheating device (4), oven tail suction fan (5) successively along flue gas flow direction, reclaim waste heat of flue gas of heating furnace at oven (1) afterbody; The entering Turbo-generator Set was generated electricity after the saturated vapour entering superheated steam boiler that the oven exhaust heat boiler produces further improved temperature; The chemical water system is that oven exhaust heat boiler and superheated steam boiler provide supplementing water.
2. system according to claim 1 is characterized in that, described chemical water system handles former water, reduces hardness of water and salinity.
3. a method that adopts the said system of claim 1 to carry out cogeneration is characterized in that, the technology of cogeneration comprises the carbonated drink circulation process of waste heat of flue gas of heating furnace recovery process and Turbo-generator Set;
The waste heat of flue gas of heating furnace recovery process: 1000 ℃-850 ℃ of oven (1) preheating section temperature of exhaust fume, behind oven exhaust heat boiler (2) recovery heat generation saturated vapour, temperature of exhaust fume is 650 ℃-550 ℃; Behind flue gas process oven air preheater (3) preheated air, temperature of exhaust fume is 300 ℃-250 ℃; Behind flue gas process oven gas preheating device (4) preheating gas, temperature of exhaust fume is reduced to 150 ℃; Flue gas of heating furnace passes through oven tail suction fan (5) at last and enters oven chimney (20), finally enters atmosphere;
The carbonated drink circulation process of Turbo-generator Set: the saturated vapour that oven exhaust heat boiler (2) produces is sent into the superheater influent header of superheated steam boiler (13), and saturated vapour is sent into Turbo-generator Set (7) behind the Turbo-generator Set nominal parameter and generated electricity through overheated reaching; The water of condensation that Turbo-generator Set (7) produces is sent into low-pressure heater (9) through condensate pump (8); The thermal source of low-pressure heater (9) is provided by the saturated vapour that oven water beam vaporization cooling drum (17) produces; Heated water of condensation is sent into high-pressure heater (12) by feed water pump (11) after getting into higher-pressure deaerator (10) deoxygenation; High-pressure feed water is sent into superheated steam boiler (13) and oven exhaust heat boiler (2) respectively carry out the carbonated drink circulation; The hydrophobic of low-pressure heater (9) delivered to low pressure oxygen-eliminating device (16) by drainage pump (15) after flowing into lower water box (14), get into oven water beam vaporization cooling recirculation system; The oven water beam vaporization cooling institute saturated vapour that produces is no longer directly supplied plant area's pipe network, changes by the adjusting of the Turbo-generator Set supply of drawing gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101143447A CN101788233B (en) | 2010-02-25 | 2010-02-25 | Heating-furnace cogeneration system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101143447A CN101788233B (en) | 2010-02-25 | 2010-02-25 | Heating-furnace cogeneration system and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101788233A CN101788233A (en) | 2010-07-28 |
| CN101788233B true CN101788233B (en) | 2012-07-25 |
Family
ID=42531547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101143447A Active CN101788233B (en) | 2010-02-25 | 2010-02-25 | Heating-furnace cogeneration system and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101788233B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968307B (en) * | 2010-11-04 | 2013-04-24 | 吴春平 | Thermal energy utilization system of reverberatory furnace |
| CN102345982A (en) * | 2011-01-10 | 2012-02-08 | 沈阳东大工业炉有限公司 | Heating furnace waste heat recovery generating device |
| CN102121405A (en) * | 2011-02-28 | 2011-07-13 | 无锡三达环保科技有限公司 | Low-grade smoke organic rankine cycle waste heat generating system of heating furnace in steel rolling plate plant |
| CN102168590A (en) * | 2011-03-15 | 2011-08-31 | 中国电力工程顾问集团西南电力设计院 | Gas turbine generating system using flue gas waste heat organic hydrocarbon mixture |
| CN103291390A (en) * | 2013-06-20 | 2013-09-11 | 华效资源有限公司 | Heating furnace flue gas and steam waste heat recycling and power generating system and power generating method |
| CN103471408B (en) * | 2013-09-06 | 2015-08-05 | 鞍钢股份有限公司 | Heating furnace high-temperature flue gas waste heat utilization system and method |
| CN103743251B (en) * | 2014-01-02 | 2016-05-18 | 莱芜钢铁集团有限公司 | The short flow process of a kind of energy-conserving and environment-protective compact is smelted casting production system |
| CN105331379A (en) * | 2015-11-13 | 2016-02-17 | 北京神雾环境能源科技集团股份有限公司 | Power generation system and power generation method |
| CN106765036A (en) * | 2016-12-07 | 2017-05-31 | 北京京诚科林环保科技有限公司 | condensed water circulation heating device |
| CN106979695A (en) * | 2017-04-07 | 2017-07-25 | 首钢总公司 | A kind of waste heat recovery system of heating furnace |
| CN114526612A (en) * | 2022-03-21 | 2022-05-24 | 江苏道和环保科技有限公司 | CSP heating furnace flue gas recirculation waste heat recovery system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2528938Y2 (en) * | 1991-12-13 | 1997-03-12 | 株式会社トーホー | Rod mill |
| CN101344360A (en) * | 2008-08-20 | 2009-01-14 | 首钢总公司 | CO2 circulating and coal gas compensation combustion type power generation method by sintered waste heat |
| CN101344359A (en) * | 2008-08-20 | 2009-01-14 | 首钢总公司 | Sintered ring cold exhaust heat stepped recovery power generation system and technique |
| CN101545726A (en) * | 2009-05-15 | 2009-09-30 | 首钢总公司 | Sintering waste heat and pure burning blast-furnace gas combined generating system |
| CN101509729B (en) * | 2009-01-15 | 2010-08-25 | 江苏东能环保能源科技有限公司 | Sintered power generation by waste heat system with by-product gas afterburning |
-
2010
- 2010-02-25 CN CN2010101143447A patent/CN101788233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2528938Y2 (en) * | 1991-12-13 | 1997-03-12 | 株式会社トーホー | Rod mill |
| CN101344360A (en) * | 2008-08-20 | 2009-01-14 | 首钢总公司 | CO2 circulating and coal gas compensation combustion type power generation method by sintered waste heat |
| CN101344359A (en) * | 2008-08-20 | 2009-01-14 | 首钢总公司 | Sintered ring cold exhaust heat stepped recovery power generation system and technique |
| CN101509729B (en) * | 2009-01-15 | 2010-08-25 | 江苏东能环保能源科技有限公司 | Sintered power generation by waste heat system with by-product gas afterburning |
| CN101545726A (en) * | 2009-05-15 | 2009-09-30 | 首钢总公司 | Sintering waste heat and pure burning blast-furnace gas combined generating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101788233A (en) | 2010-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101788233B (en) | Heating-furnace cogeneration system and method thereof | |
| EP3064841B1 (en) | Gas steam combined cycle central heating device | |
| CN102012167B (en) | System and method for power generating by jointly recovering waste heat of flue gas of sintering machine and exhaust gas of cooling machine | |
| CN203050805U (en) | Power generating equipment | |
| CN101344360B (en) | CO2 circulating and coal gas compensation combustion type power generation method by sintered waste heat | |
| CN103133067A (en) | Steel-mill residual blast-furnace gas and residual saturated steam comprehensive utilization power generation system | |
| CN101858231A (en) | Energy supply system mainly through gas and steam combined cycle cogeneration | |
| CN101178017A (en) | Method for recycling and regenerating steel plant residual heat boiler saturated steam | |
| CN105157010A (en) | Coal-fired power generation system based on bypass flue at tail part of boiler | |
| CN1671993A (en) | Waste heat steam generator | |
| CN104500158B (en) | A kind of low concentration coal-bed gas or gas electricity system | |
| CN102109279A (en) | Process method for high-temperature afterheat comprehensive utilization of industrial furnace | |
| CN106322357A (en) | Thermal power generation system based on boiler tail bypass flue | |
| CN102345982A (en) | Heating furnace waste heat recovery generating device | |
| CN103225007B (en) | Power generation system and method by blast furnace hot-blast stove flue gas waste heat | |
| CN203298623U (en) | Cement clinker grate cold machine exhaust gas waste heat recycling and matching waste heat power generation system | |
| CN102589305B (en) | Sintering waste heat generating system | |
| CN101706215B (en) | Method and device for double-source power cogeneration with sintering waste heat | |
| CN107975787B (en) | A kind of multiple coupled electricity generation system and electricity-generating method | |
| CN105387729A (en) | Material cooling waste heat power generation system | |
| CN102536361A (en) | Comprehensive utilizing system for firing waste heat and saturated vapor | |
| CN202470789U (en) | Sintering waste heat and saturated steam comprehensive utilization system | |
| CN108731004B (en) | Circulating cooling device of water-cooled grate and waste incineration power generation device | |
| CN104061030B (en) | Garbage incinerating power plant low-temperature flue gas waste heat power generation system | |
| CN203452860U (en) | Electrical power generating system comprehensively utilizing waste heat of smoke of ferroalloy submerged arc furnace and casting process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee before: Capital Iron & Steel General Company |