CN105275515A - Coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and coupled power generation method thereof - Google Patents

Coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and coupled power generation method thereof Download PDF

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CN105275515A
CN105275515A CN201510659621.5A CN201510659621A CN105275515A CN 105275515 A CN105275515 A CN 105275515A CN 201510659621 A CN201510659621 A CN 201510659621A CN 105275515 A CN105275515 A CN 105275515A
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coke
dry
quenching
waste heat
heat
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CN105275515B (en
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张玉柱
王子兵
胡长庆
邢红伟
王乙竹
于勇
王新东
杨潇潇
赵申
王超
常建
黄博
秦万扩
辛世界
齐立军
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North China University of Science and Technology
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North China University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The invention relates to a coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and a coupled power generation method thereof. The system comprises a dry-quenching waste-heat recycling device and the dry-quenching waste-heat recycling device comprises a dry-quenching furnace and a dry-quenching waste-heat boiler which are communicated with each other. A dry-quenching secondary superheater, a dry-quenching primary superheater, a first evaporator, a second evaporator, a coke oven flue-gas waste-heat superheater and a dry-quenching economizer are sequentially arranged in the dry-quenching waste-heat boiler. A coke oven flue-gas waste-heat recycling device comprises a coke oven. A coke oven flue-gas main channel is connected to the coke oven and sequentially connected with a coke oven flue-gas waste-heat economizer, a coke oven flue-gas waste-heat evaporator, a coke oven flue-gas draught fan and a coke oven flue-gas chimney. A steam turbine generator unit, the dry-quenching waste-heat recycling device and the coke oven flue-gas waste-heat recycling device form a loop through a condensing unit. According to the coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and the coupled power generation method, coupled power generation is achieved in the manner that coking flue exhaust fume waste heat enters dry-quenching waste-heat power generation circulation in a coupled manner, and the purposes of efficient utilization of secondary energy and energy saving and emission reduction are achieved.

Description

Waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system and coupled electricity-generation method thereof
Technical field
The present invention relates to a kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system and coupled electricity-generation method thereof, belong to cogeneration field.
Background technique
Along with the fast development of national economy, the production capacity of China's coking industry also experienced by the process increased fast, and according to related data display, 2012, China had the capacity coke oven 299 of more than 500,000 tons, and coke aggregated capacity is up to 40,821 ten thousand tons.In the coking equipment generally adopted in China and technique, the useless flue-gas temperature that coke oven produces is generally between 220 DEG C-260 DEG C, producing sensible heat contained by ton coke coke oven exhaust gas is 19426KJ/ ton (coke), and the recyclable sensible heat contained by the coke oven exhaust gas of annual China coking industry is up to 7.93 × 10 12kJ, is equivalent to 271.4 ten thousand tons of mark calorific value of coal, if this partial heat all reclaims, can reduces discharging CO 2about 678.5 ten thousand tons, SO 2about 4.47810 ten thousand tons, NO xabout 1.56 ten thousand tons, about 27,717 ten thousand tons, dust.
Because the temperature of coke oven exhaust gas is lower, this portion of energy is not well utilized, and according to related data introduction, the utilization ratio of this partial heat energy is less than 3%, and huge energy is discharged in air in vain, causes the serious waste of secondary energy.At present, some coal chemical enterprise prepares to utilize organic working medium circulation to carry out recovery generating to this part of waste heat, and organic working medium circulating generation has following shortcoming:
(1) conversion efficiency of thermoelectric is low.
At present, organic working medium circulating technology also in developing stage, the design of heat to power output equipment,
Manufacturing technology is not all also very perfect, and conversion efficiency of thermoelectric is low only has about 8%.
(2) counter investment is higher.
According to measuring and calculating, for coke oven exhaust gas afterheat generating system, the theoretical pay off period of the organic working medium circulatory system is 5-6, and for enterprise, pay off period is long, more difficult acceptance.
Dry quenching is for coke wet quenching, cryogenic inert gas to be blasted in stove by the dry air feeder putting out furnace bottom by circulating fan carry out heat exchange with red Jiao, inert gas is heated to high temperature (850 ~ 980 DEG C), entered dry coke quenching residual heat boiler carried out heat exchange by dry stove high temperature inert gas out of putting out, produce the water vapor of certain pressure, water vapor enters steam turbine and carries out heat to power output and drawing generator generating.Cryogenic inert gas in dry coke quenching residual heat boiler after heat release again to be blasted in stove by the dry air feeder putting out furnace bottom by circulating fan and carries out heat exchange with red Jiao, and namely inert gas recycles.
The advantage of dry quenching generation technology is that technology maturity, stability are high, and conversion efficiency of thermoelectric to circulate high 5%-10% than organic working medium.Fig. 1 is certain coke-oven plant's dry quenching power generation system schematic diagram, and as can be seen from the figure, dry quenching temperature of exhaust fume is 178.5 DEG C, and the exhaust heat boiler thermal efficiency is also on the low side, and due to high-temperature gas expansion, circulating fan power consumption is also higher., it can also be seen that from figure, between each heating surface cold and heat source, heat transfer temperature difference is all comparatively large meanwhile, so dry quenching cogeneration technology  loses larger.
By above discussion, invent the coke oven flue gas recovery technology that a kind of conversion efficiency of thermoelectric is high, technology maturation is reliable, system investments is low, and by circulation coupling technique, improving the dry coke quenching residual heat boiler thermal efficiency, reducing the technology of dry quenching circulating fan power consumption is very have realistic meaning simultaneously.
Summary of the invention
In order to overcome the deficiency that above prior art exists, the invention provides a kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system and coupled electricity-generation method thereof, coking chimney meatus transmitting smoke waste heat is coupled into the coupled electricity-generation of dry quenching cogeneration circulation, thus reaches the object of efficiency utilization secondary energy and energy-saving and emission-reduction.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
A kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, comprising:
Dry quenching waste heat recovering device, dry quenching waste heat recovering device comprises be interconnected dry and puts out stove and dry coke quenching residual heat boiler, and dry coke quenching residual heat boiler inside comprises the dry quenching secondary superheater, cork dry quenching disposable superheater, the first vaporizer, the second vaporizer, waste heat of coke-oven flue gas superheater and the dry quenching economizer that set gradually;
Smoke waste heat recycling device for coke oven, smoke waste heat recycling device for coke oven comprises coke oven, coke oven is connected with coke oven flue gas main flue channel, the connection of coke oven flue gas main flue channel sets gradually waste heat of coke-oven flue gas economizer, waste heat of coke-oven flue gas vaporizer, coke oven flue gas induced draught fan and coke oven flue gas chimney;
Turbo-generator Set comprises steam turbine and generator;
Condensation device comprises vapour condenser and condensate pump;
Turbo-generator Set forms loop by condensation device and dry quenching waste heat recovering device and smoke waste heat recycling device for coke oven.
As preferably, above-mentioned waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, also include oxygen-eliminating device, and oxygen-eliminating device has low pressure steam mouth, high pressure steam mouth, the condensation mouth of a river and the deoxygenation mouth of a river; Wherein high pressure steam mouth is communicated with the dry quenching economizer of dry coke quenching residual heat boiler through dry coke quenching residual heat boiler feed water pump, low pressure steam mouth connects after waste heat of coke-oven flue gas economizer through waste heat of coke oven feed water pump and is connected with the waste heat of coke-oven flue gas superheater of dry coke quenching residual heat boiler through waste heat of coke-oven flue gas vaporizer, the condensation mouth of a river connects bleeder heater, bleeder heater also connects condensate pump, and the deoxygenation mouth of a river is communicated with Turbo-generator Set through the waste heat of coke-oven flue gas superheater of dry coke quenching residual heat boiler.
As preferably, above-mentioned waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, be connected with desuperheater between dry quenching secondary superheater and cork dry quenching disposable superheater.
As preferably, above-mentioned waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, be provided with dry quenching drum in dry coke quenching residual heat boiler, dry quenching drum connects cork dry quenching disposable superheater, the first vaporizer, the second vaporizer and dry quenching economizer simultaneously.
As preferably, above-mentioned waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, the first vaporizer is naked tubular evaparator, and the second vaporizer is tubular evaparator.
A kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation method, using the external low-temperature heat source of waste heat of coke-oven flue gas as dry coke quenching residual heat boiler, utilize and dryly put out warm waste heat in red Jiao of stove and the low-pressure saturated steam obtained is heated to coalitenessity furnace exhaust carry out double heating, and generate electricity with the shared Turbo-generator Set of high temperature and high pressure steam that dry coke quenching residual heat boiler produces, the high-temperature steam that dry coke quenching residual heat boiler produces enters the acting of steamer owner vapour, the cryogenic overheating steam that in waste heat of coke-oven flue gas and dry quenching, warm waste heat produces jointly enters steam turbine filling and does work, the cogeneration circulation that two efficiency are different and separate is coupled as a main hot repair vapour formula power generation cycle.
The present invention has following technical advantage:
1) used heat of coking flue is changed into high-quality electric energy by the present invention, achieves the higher value application of secondary energy, decreases the waste of secondary energy.
2) utilize circulation coupling technique by the upgrading of low product heat energy, low product heat energy power-generating cycle efficiency is improved, low product heat energy power-generating cycle efficiency improves about 13%.
3) utilize low product steam to absorb heat and reduce dry coke quenching residual heat boiler temperature of exhaust fume, improve the heat recovery rate of dry quenching inert gas, inert gas heat recovery rate improves about 5%.
4) reduce the import temperature difference of dry quenching economizer, the loss of dry quenching economizer reduces about 21%.
5) low product heat energy and high product heat energy share a set of electricity generating device, and eliminate thermoelectricity conversion and the condensing equipment of low product heat energy power-generating, system significantly simplifies, and investment significantly reduces.
6) low product heat energy and high product heat energy share a set of electricity generating device, simplify system management efforts.
7) low product heat energy and high product heat energy share a set of electricity generating device, drastically reduce the area floor space.
8) because dry coke quenching residual heat boiler temperature of exhaust fume reduces, circulating fan power consumption reduces, and reduced rate is about 20%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
In figure: 1--is dry puts out stove; 2--dry quenching secondary superheater; 3--cork dry quenching disposable superheater; 4--first vaporizer; 5--desuperheater; 6--second vaporizer; 7--dry quenching drum; 8--waste heat of coke-oven flue gas superheater; 9--dry quenching economizer; 10--steam turbine; 11--generator; 12--vapour condenser; 13--condensate pump; 14--bleeder heater; 15--oxygen-eliminating device; 16--waste heat of coke oven feed water pump; 17--dry coke quenching residual heat boiler feed water pump; 18--coke oven flue gas chimney; 19--coke oven flue gas induced draught fan; 20--waste heat of coke-oven flue gas vaporizer; 21--waste heat of coke-oven flue gas drum; 22--waste heat of coke-oven flue gas economizer; 23--coke oven flue gas main flue channel; 24--coke oven; 25-dry quenching circulating fan.
Embodiment
Understand for the ease of those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
See Fig. 1, a kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system, comprise dry quenching waste heat recovering device, smoke waste heat recycling device for coke oven, Turbo-generator Set and condensation device; Wherein dry quenching waste heat recovering device
Comprise be interconnected dry and put out stove 1 and dry coke quenching residual heat boiler; Dry coke quenching residual heat boiler inside comprises the dry quenching secondary superheater 2, cork dry quenching disposable superheater 3, first vaporizer 4, second vaporizer 6, waste heat of coke-oven flue gas superheater 8 and the dry quenching economizer 9 that set gradually, dry coke quenching residual heat boiler inside is also provided with dry quenching drum 7, and dry quenching drum 7 connects cork dry quenching disposable superheater 3, first vaporizer 4, second vaporizer 6 and dry quenching economizer 9 simultaneously; Smoke waste heat recycling device for coke oven comprises coke oven 24, coke oven 24 is connected with coke oven flue gas main flue channel 23, coke oven flue gas main flue channel 23 connection sets gradually waste heat of coke-oven flue gas economizer 22, waste heat of coke-oven flue gas vaporizer 20, coke oven flue gas induced draught fan 19 and coke oven flue gas chimney 18; Turbo-generator Set comprises steam turbine 10 and generator 11; Condensation device comprises vapour condenser 12 and condensate pump 13; Turbo-generator Set forms loop by condensation device and dry quenching waste heat recovering device and smoke waste heat recycling device for coke oven.
In the present embodiment, also include oxygen-eliminating device 15, oxygen-eliminating device 15 has low pressure steam mouth, high pressure steam mouth, the condensation mouth of a river and the deoxygenation mouth of a river; Wherein high pressure steam mouth is communicated with the dry quenching economizer 9 of dry coke quenching residual heat boiler through dry coke quenching residual heat boiler feed water pump 17, low pressure steam mouth connects after waste heat of coke-oven flue gas economizer 22 through waste heat of coke oven feed water pump 16 and is connected with the waste heat of coke-oven flue gas superheater 8 of dry coke quenching residual heat boiler through waste heat of coke-oven flue gas vaporizer 20, the condensation mouth of a river connects bleeder heater 14, bleeder heater 14 also connects condensate pump 13, and the deoxygenation mouth of a river is communicated with Turbo-generator Set through the waste heat of coke-oven flue gas superheater 8 of dry coke quenching residual heat boiler.
In the present embodiment, between dry quenching secondary superheater 2 and cork dry quenching disposable superheater 3, be connected with desuperheater 5.
In the present embodiment, the first vaporizer 4 is naked tubular evaparator, and the second vaporizer 6 is tubular evaparator.
A kind of waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation method, using the external low-temperature heat source of waste heat of coke-oven flue gas as dry coke quenching residual heat boiler, utilize and dryly put out warm waste heat in red Jiao of stove 1 and the low-pressure saturated steam obtained is heated to coalitenessity furnace exhaust carry out double heating, and generate electricity with the shared Turbo-generator Set of high temperature and high pressure steam that dry coke quenching residual heat boiler produces, the high-temperature steam that dry coke quenching residual heat boiler produces enters the acting of steamer owner vapour, the cryogenic overheating steam that in waste heat of coke-oven flue gas and dry quenching, warm waste heat produces jointly enters steam turbine filling and does work, the cogeneration circulation that two efficiency are different and separate is coupled as a main hot repair vapour formula power generation cycle.
Specific works flow process of the present invention is as follows:
1) dry quenching inert gas workflow
Inert gas dry put out in stove 1 to absorb after red burnt sensible heat produces high temperature inert gas enter dry coke quenching residual heat boiler, in dry coke quenching residual heat boiler, high temperature inert gas is successively at dry quenching secondary superheater 2, cork dry quenching disposable superheater 3, first vaporizer 4, second vaporizer 6, waste heat of coke-oven flue gas superheater 8, to high pressure acting working medium heat release cooling in dry quenching economizer 9, the dry coke quenching residual heat boiler smoke evacuation that formation temperature is lower, dry coke quenching residual heat boiler smoke evacuation reenters the dry stove 1 that puts out and absorbs heat under dry quenching circulating fan 25 acts on, enter next dry quenching heat recovery process.
2) coke oven flue gas flow process
The coke oven flue gas that coke oven 24 production process produces is through coke oven flue gas main flue channel 23, enter waste heat of coke-oven flue gas economizer 22, waste heat of coke-oven flue gas vaporizer 20 successively to the heat release of low pressure acting working medium, form the coke oven flue gas smoke evacuation of about 110 DEG C, and enter air through coke oven flue gas chimney 18 under the effect of coke oven flue gas induced draught fan 19.
3) dry quenching cogeneration circulation and major cycle carbonated drink flow process
Oxygen-removing water is after dry coke quenching residual heat boiler feed water pump 17 pressurizes, absorb heat from dry quenching inert gas successively through heating surfaces such as dry quenching economizer 9, second vaporizer 6, first vaporizer 4, cork dry quenching disposable superheater 3, dry quenching secondary superheaters 2, the final main steam forming High Temperature High Pressure.Described in main steam enters--steam turbine 10 does work and drawing generator 11 generates electricity.Main steam after acting forms exhaust steam, and enters described vapour condenser 12 and condense into water of condensation.Water of condensation enters the heating that bleeder heater 14 accepts to draw gas under the effect of institute's condensate pump 13, and then enter oxygen-eliminating device 15 deoxygenation, oxygen-removing water enters dry coke quenching residual heat boiler again, carries out next power cycle.
4) waste heat of coke-oven flue gas power generation cycle and coupling cycle carbonated drink flow process
Oxygen-removing water pressurizes through waste heat of coke oven feed water pump 16 and enters waste heat of coke-oven flue gas economizer 22 successively, in waste heat of coke-oven flue gas vaporizer 20, state the coke oven flue gas of 24 production processes generations from coke oven and absorb heat, low pressure acting working medium becomes low-pressure saturated steam by liquid water, after low-pressure saturated steam leaves waste heat of coke-oven flue gas vaporizer 20, be coupled into dry coke quenching residual heat boiler, warm waste heat in dry quenching inert gas is absorbed in waste heat of coke-oven flue gas superheater 8, low-pressure saturated steam forms low-pressure superheated steam, low-pressure superheated steam enters steam turbine 10 acting and drawing generator 11 generates electricity together with main vapour.Filling after acting forms exhaust steam together with main vapour, and enters vapour condenser 12 and condense into water of condensation.Water of condensation enters the heating that bleeder heater 14 accepts to draw gas under the effect of condensate pump 13, and then enter oxygen-eliminating device 15 deoxygenation, oxygen-removing water pressurizes through waste heat of coke oven feed water pump 16 again, carries out next power cycle.
Above-described embodiment is only not intended to limit for illustration of technological scheme of the present invention; although by embodiment to invention has been detailed description; affiliated art should modify or carry out portion of techniques feature equivalent replacement with reference to concrete mode of the present invention; but under the spirit not departing from technical solution of the present invention, above-mentioned change or equivalent replacement should belong in the technological scheme scope of request of the present invention protection.

Claims (6)

1. waste heat of coke-oven flue gas and a dry quenching waste heat coupled electricity-generation system, is characterized in that, comprising:
Dry quenching waste heat recovering device, dry quenching waste heat recovering device comprises be interconnected dry and puts out stove (1) and dry coke quenching residual heat boiler, and dry coke quenching residual heat boiler inside comprises the dry quenching secondary superheater (2), cork dry quenching disposable superheater (3), the first vaporizer (4), the second vaporizer (6), waste heat of coke-oven flue gas superheater (8) and the dry quenching economizer (9) that set gradually;
Smoke waste heat recycling device for coke oven, smoke waste heat recycling device for coke oven comprises coke oven (24), coke oven (24) is connected with coke oven flue gas main flue channel (23), coke oven flue gas main flue channel (23) connection sets gradually waste heat of coke-oven flue gas economizer (22), waste heat of coke-oven flue gas vaporizer (20), coke oven flue gas induced draught fan (19) and coke oven flue gas chimney (18);
Turbo-generator Set comprises steam turbine (10) and generator (11);
Condensation device comprises vapour condenser (12) and condensate pump (13);
Turbo-generator Set forms loop by condensation device and dry quenching waste heat recovering device and smoke waste heat recycling device for coke oven.
2. waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system according to claim 1, is characterized in that: also include oxygen-eliminating device (15), and oxygen-eliminating device (15) has low pressure steam mouth, high pressure steam mouth, the condensation mouth of a river and the deoxygenation mouth of a river, wherein high pressure steam mouth is communicated with the dry quenching economizer (9) of dry coke quenching residual heat boiler through dry coke quenching residual heat boiler feed water pump (17), low pressure steam mouth connects waste heat of coke-oven flue gas economizer (22) through waste heat of coke oven feed water pump (16) and is connected with the waste heat of coke-oven flue gas superheater (8) of dry coke quenching residual heat boiler by waste heat of coke-oven flue gas vaporizer (20), the condensation mouth of a river connects bleeder heater (14), bleeder heater (14) also connects condensate pump (13), the deoxygenation mouth of a river is communicated with Turbo-generator Set through the waste heat of coke-oven flue gas superheater (8) of dry coke quenching residual heat boiler.
3. waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system according to claim 1, is characterized in that: be connected with desuperheater (5) between dry quenching secondary superheater (2) and cork dry quenching disposable superheater (3).
4. waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system according to claim 1, it is characterized in that: be provided with dry quenching drum (7) in dry coke quenching residual heat boiler, dry quenching drum (7) connects cork dry quenching disposable superheater (3), the first vaporizer (4), the second vaporizer (6) and dry quenching economizer (9) simultaneously.
5. waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation system according to any one of Claims 1-4, it is characterized in that: the first vaporizer is naked tubular evaparator, the second vaporizer is tubular evaparator.
6. a waste heat of coke-oven flue gas and dry quenching waste heat coupled electricity-generation method, it is characterized in that: using the external low-temperature heat source of waste heat of coke-oven flue gas as dry coke quenching residual heat boiler, utilize and dryly put out warm waste heat in red Jiao of stove and the low-pressure saturated steam obtained is heated to coalitenessity furnace exhaust carry out double heating, and generate electricity with the shared Turbo-generator Set of high temperature and high pressure steam that dry coke quenching residual heat boiler produces, the high-temperature steam that dry coke quenching residual heat boiler produces enters the acting of steamer owner vapour, the cryogenic overheating steam that in waste heat of coke-oven flue gas and dry quenching, warm waste heat produces jointly enters steam turbine filling and does work, the cogeneration circulation that two efficiency are different and separate is coupled as a main hot repair vapour formula power generation cycle.
CN201510659621.5A 2015-10-14 2015-10-14 Coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and coupled power generation method thereof Expired - Fee Related CN105275515B (en)

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CN106642042A (en) * 2017-01-23 2017-05-10 中冶焦耐(大连)工程技术有限公司 Intermediate reheat power generation process and system for coke dry quenching boiler
CN106989611A (en) * 2017-05-18 2017-07-28 中冶华天南京工程技术有限公司 A kind of coke-stove gas and dry coke quenching residual heat integrative electricity generation system
CN107014218A (en) * 2017-05-18 2017-08-04 中冶华天南京工程技术有限公司 Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization
CN107013269A (en) * 2017-05-18 2017-08-04 中冶华天南京工程技术有限公司 The heat power generating system recycled based on coke-oven plant's residual heat resources
CN107514914A (en) * 2017-08-23 2017-12-26 萍乡市华星化工设备填料有限公司 New Type Coke Oven flue gas waste heat recovery apparatus
CN109281713A (en) * 2018-11-19 2019-01-29 广东工业大学 A kind of coke oven steam electric power generator
CN110207081A (en) * 2018-12-18 2019-09-06 西安华江环保科技股份有限公司 A kind of subcritical superhigh temperature reheat boiler therrmodynamic system of dry coke quenching
CN111139090A (en) * 2019-12-27 2020-05-12 中冶焦耐(大连)工程技术有限公司 Ultralow-load operation method of dry quenching system

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CN106642042A (en) * 2017-01-23 2017-05-10 中冶焦耐(大连)工程技术有限公司 Intermediate reheat power generation process and system for coke dry quenching boiler
CN106989611A (en) * 2017-05-18 2017-07-28 中冶华天南京工程技术有限公司 A kind of coke-stove gas and dry coke quenching residual heat integrative electricity generation system
CN107014218A (en) * 2017-05-18 2017-08-04 中冶华天南京工程技术有限公司 Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization
CN107013269A (en) * 2017-05-18 2017-08-04 中冶华天南京工程技术有限公司 The heat power generating system recycled based on coke-oven plant's residual heat resources
CN107014218B (en) * 2017-05-18 2023-10-31 中冶华天南京工程技术有限公司 Thermal power generation system based on waste heat and complementary energy integrated utilization of coking plant
CN106989611B (en) * 2017-05-18 2023-11-24 中冶华天南京工程技术有限公司 Coke oven gas and dry quenching waste heat comprehensive power generation system
CN107514914A (en) * 2017-08-23 2017-12-26 萍乡市华星化工设备填料有限公司 New Type Coke Oven flue gas waste heat recovery apparatus
CN109281713A (en) * 2018-11-19 2019-01-29 广东工业大学 A kind of coke oven steam electric power generator
CN110207081A (en) * 2018-12-18 2019-09-06 西安华江环保科技股份有限公司 A kind of subcritical superhigh temperature reheat boiler therrmodynamic system of dry coke quenching
CN111139090A (en) * 2019-12-27 2020-05-12 中冶焦耐(大连)工程技术有限公司 Ultralow-load operation method of dry quenching system

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