CN208918610U - Supercritical CO 2 and coal fired power plant decarburization integrate and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN - Google Patents

Supercritical CO 2 and coal fired power plant decarburization integrate and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN Download PDF

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Publication number
CN208918610U
CN208918610U CN201821141214.0U CN201821141214U CN208918610U CN 208918610 U CN208918610 U CN 208918610U CN 201821141214 U CN201821141214 U CN 201821141214U CN 208918610 U CN208918610 U CN 208918610U
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China
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heater
decarburization
heat
low
steam
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CN201821141214.0U
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许诚
李潇洒
高亚驰
陈锐
徐钢
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North China Electric Power University
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North China Electric Power University
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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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model discloses a kind of supercritical COs for belonging to power station decarburization field of energy-saving technology2With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN.The system mainly includes coal fired power generation subsystem, decarburization subsystem and CO2Circulating generation subsystem.To reduce decarbonization system thermal loss, decarburization coal fired power plant generating efficiency is improved, this system is made that following optimization: (1) with supercritical CO2As heat absorption working medium, the degree of superheat of decarbonizing process waste heat and decarburization steam extraction is successively absorbed according to heat grade, drives CO2Turbine power generation, the unit for offsetting a part reduction due to decarburization steam extraction effectively go out function；(2) second-kind absorption-type heat pump recovery section decarbonizing process waste heat is utilized, and substitutes part decarburization and provides heat with steam extraction for reboiler；(3) CO is utilized2Turbine steam discharge removes preheated air, saves part higher temperatures flue gas and goes heating water supply, reduces steam turbine regenerative steam.

Description

Supercritical CO2With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN
Technical field
The utility model belongs to power station decarburization field of energy-saving technology, in particular to a kind of supercritical CO2It is de- with coal fired power plant Carbon integrates and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN.
Background technique
Currently, the Chinese non-renewable energy based on coal and the secondary energy sources structure based on thermal power generation and have not been changed, CO2Discharge is inevitable, and the following greenhouse effects problem is got worse.To reduce CO2Discharge, decarburization is extensive after burning It is considered relative maturity and the technology with large-scale application potentiality.Meanwhile supercritical CO2Working medium due to chemical property is stable, The features such as density is high and at low cost, has been to be concerned by more and more people.Supercritical CO2Circulation is also because its good working medium is special Property, have many advantages, such as that system is simple, device structure is compact, can be with various heating sources system connected applications.
Chemical absorption method decarbonizing process based on MEA needs to consume amount of heat, while releasing a large amount of low-grade exhaust heats, In general, decarburization unit institute's calorific requirement is supplied by the steam extraction of steam turbine mesolow cylinder communicating pipe, it means that decarbonizing process will The output of reduction system Effective power causes higher efficiency to punish, and brings certain influence to the safety of low pressure (LP) cylinder.In order to Realizing CO2Efficiency punishment is effectively reduced while emission reduction, with supercritical CO2UTILIZATION OF VESIDUAL HEAT IN work as coal-fired decarburization unit Matter constitutes CO2Cycle generating system, offset a part because caused by decarburization steam extraction Effective power reduce；In addition, integrated second class is inhaled Receipts formula heat pump and fume afterheat utilize two kinds of energy saving means, optimize to coal-fired decarburization power plant, this is all decarburization unit waste heat Utilization provide direction.
Utility model content
The purpose of this utility model is to provide a kind of supercritical CO in view of the deficiencies of the prior art2With coal fired power plant decarburization collection At and UTILIZATION OF VESIDUAL HEAT IN electricity generation system.The system mainly includes coal fired power generation subsystem, decarburization subsystem and CO2Circulating generation Subsystem, it is characterised in that: the main steam that boiler 2 exports is connect with the steam inlet of high pressure cylinder 3 and intermediate pressure cylinder 4, high pressure cylinder 3, Intermediate pressure cylinder 4, low pressure (LP) cylinder 5,1# generator 6 are sequentially connected in series；5 steam discharge of low pressure (LP) cylinder is connect with 7 entrance of condenser, condenser 7, condensation Water pump 8, low-pressure heater group 9, oxygen-eliminating device 10, feed pump 11, high-pressure heater group 12 are sequentially connected in series；Low-pressure heater group 9 with The connection of the low-pressure pumping steam of intermediate pressure cylinder 4 and low pressure (LP) cylinder 5, oxygen-eliminating device 12 are connect with 4 steam extraction of intermediate pressure cylinder, and high-pressure heater group 14 is in The connection of the high pressure extraction of cylinder pressure 4 and high pressure cylinder 3；4 steam discharge of intermediate pressure cylinder is divided into two-way, all the way with throttle valve 14,1#CO2Heater 24, reboiler 20 is connected, and another way is connected with 5 steam inlet of low pressure (LP) cylinder；13 water side of low-level (stack-gas) economizer and low-pressure heater group 9, High-pressure heater group 12 is in parallel, and 13 fume side of low-level (stack-gas) economizer is in parallel with 1 fume side of air preheater；Low-level (stack-gas) economizer 13 exports Flue gas and 1 exiting flue gas of air preheater converge, and are connected after tail flue gas pretreatment 15 with 16 smoke inlet of absorption tower；It absorbs 16 bottom of tower is sequentially connected in series with rich solution pump 17, poor rich liquid heat exchanger 18, regenerator 19；It is 19 bottom of regenerator and reboiler 20, poor Liquid pump 21, poor rich liquid heat exchanger 18, lean solution cooler 22, absorption tower 16 are sequentially connected in series；20 steam inlet of reboiler is divided into two-way, All the way with 1#CO2Heater 24, throttle valve 14,4 steam drain of intermediate pressure cylinder are connected, and another way and second-kind absorption-type heat pump 23 absorb Device outlet is connected；The outlet of reboiler 20 is divided into two-way, is connected all the way with condenser 7, another way and second-kind absorption-type heat pump 23 Absorber entrance is connected；23 regenerator of second-kind absorption-type heat pump and generator put hot water side entrance and 1#CO2Water-borne formula heat exchange Device 26,2#CO2The heat absorption side outlet of water-borne formula heat exchanger 31 is connected, 23 regenerator of second-kind absorption-type heat pump and generator heat release Water side outlet and 1#CO2Water-borne formula heat exchanger 26,2#CO2The heat absorption side entrance of water-borne formula heat exchanger 31 is connected；19 top of regenerator With 2#CO2Heater 25,1#CO2Water-borne formula heat exchanger 26, CO2The cold side of cooler 27, CO2Separator 28 is successively gone here and there Connection；CO228 bottom water side of separator is connected with regenerator 19, CO228 top of separator and 29 entrance phase of 1# compressor Even；1# compressor 29,3#CO2Heater 30,2#CO2The cold side of water-borne formula heat exchanger 31, interstage cooler 32,2# compressor 33 are sequentially connected in series；2#CO225 heat absorbing side of heater, 3#CO230 heat absorbing side of heater, 1#CO224 heat absorbing side of heater, CO2Thoroughly Flat 34, CO2The CO of air heat exchanger 362Side, CO2Recirculation cooler 37, CO2The series connection forming circuit of compressor 38；CO2Turbine 34 It is connect with 2# generator 35.
The decarburization subsystem is connected by low-level (stack-gas) economizer in bypass flue (13) water side entrance with condensate pump (8) outlet It connects, low-level (stack-gas) economizer (13) water side outlet is connected with high-pressure heater group (12) water side outlet； CO2Air heat exchanger (36) It is connect with air preheater (1), CO2Turbine (34) outlet and CO2The connection of air heat exchanger (36) entrance；Boiler (2) bypasses cigarette Air preheater (1) is connect with tail flue gas pretreatment (15) and low-level (stack-gas) economizer (13) respectively in road, tail flue gas pretreatment (15) it is connected to absorption tower (16).
20 steam inlet of reboiler of the coal fired power generation subsystem is divided into two-way, respectively with 1#CO224 heat release of heater Side outlet, the outlet of 23 absorber of second-kind absorption-type heat pump are connected, 1#CO2Heater 24 by throttle valve 14 and intermediate pressure cylinder 4 and Low pressure (LP) cylinder 5 connects；23 generator of second-kind absorption-type heat pump respectively with 1#CO2Water-borne formula heat exchanger 26 and 2#CO2Water-borne formula heat exchange Device 31 connects, and 23 absorber of second-kind absorption-type heat pump is connect with reboiler 20 and condenser 7.
The CO2Circulating generation subsystem includes 2#CO2Heater 25,3#CO2Heater 30,1#CO2Heater 24, CO2 Turbine 34 and 2# generator 36；CO2Turbine 24 and CO2Air heat exchanger 36, CO2Recirculation cooler 37, CO2Compressor 36 and 2# CO2Heater 25 is sequentially connected.
The utility model has the following beneficial effects:
1. with supercritical CO2As heat absorption working medium, MEA decarbonization system waste heat is successively absorbed according to heat grade and decarburization is used The latent heat of vaporization of steam extraction drives CO2Turbine power generation, the unit for offsetting a part reduction due to decarburization steam extraction effectively go out function.
2. integrated second-kind absorption-type heat pump absorbs CO2MEA decarbonization system waste heat after working medium of absorbing heat utilization, substitution portion Decarburization is divided to provide heat with vapour for reboiler.
3. utilizing CO2Turbine steam discharge removes preheated air, saves high-temperature flue gas waste heat and goes heating water supply, reduces steam turbine and return Hot steam extraction.
Detailed description of the invention
Fig. 1 is integrated supercritical CO2Coal-fired decarburization and heat utilization power generating system with heat pump.
In figure: 1- air preheater；2- boiler；3- high pressure cylinder；4- intermediate pressure cylinder；5- low pressure (LP) cylinder；6-1# generator；7- condensing Device；8- condensate pump；9- low-pressure heater group；10- oxygen-eliminating device；11- feed pump；12- high-pressure heater group；13- low temperature saves coal Device；14- throttle valve；15- tail flue gas processing unit；The absorption tower 16-；17- rich solution pump；18- poor rich liquid heat exchanger；19- regeneration Tower；20- reboiler；21- lean pump；22- lean solution cooler；23- second-kind absorption-type heat pump；24-1#CO2Heater；25-2# CO2Heater；26-1#CO2Water-borne formula heat exchanger；27-CO2Cooler；28-CO2Separator；29-1# compressor；30-3# CO2Heater； 31-2#CO2Water-borne formula heat exchanger；32- interstage cooler；33-2# compressor；34-CO2Turbine；35-2# power generation Machine；36-CO2Air heat exchanger；37-CO2Recirculation cooler；38-CO2Compressor.
Specific embodiment
The utility model provides a kind of supercritical CO2With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN. The utility model is further explained with reference to the accompanying drawing.
As shown in Figure 1, the system includes coal fired power generation subsystem, decarburization subsystem and CO2Circulating generation subsystem；Figure In, boiler 2 export main steam connect with the steam inlet of high pressure cylinder 3 and intermediate pressure cylinder 4, high pressure cylinder 3, intermediate pressure cylinder 4, low pressure (LP) cylinder 5, 1# generator 6 is sequentially connected in series；5 steam discharge of low pressure (LP) cylinder is connect with 7 entrance of condenser, condenser 7, condensate pump 8, low-pressure heater group 9, oxygen-eliminating device 10, feed pump 11, high-pressure heater group 12 are sequentially connected in series；Low-pressure heater group 9 and intermediate pressure cylinder 4 and low pressure (LP) cylinder 5 Low-pressure pumping steam connection, oxygen-eliminating device 12 are connect with 4 steam extraction of intermediate pressure cylinder, the high pressure of high-pressure heater group 14 and intermediate pressure cylinder 4 and high pressure cylinder 3 Steam extraction connection；4 steam discharge of intermediate pressure cylinder is divided into two-way, all the way with throttle valve 14,1#CO2Heater 24, reboiler 20 are connected, another way It is connected with 5 steam inlet of low pressure (LP) cylinder；13 water side of low-level (stack-gas) economizer is in parallel with low-pressure heater group 9, high-pressure heater group 12, low temperature 13 fume side of economizer is in parallel with 1 fume side of air preheater；13 exiting flue gas of low-level (stack-gas) economizer and air preheater 1 export cigarette Gas converges, and is connected after tail flue gas pretreatment 15 with 16 smoke inlet of absorption tower；It is 16 bottom of absorption tower and rich solution pump 17, rich or poor Liquid heat exchanger 18, regenerator 19 are sequentially connected in series；19 bottom of regenerator and reboiler 20, lean pump 21, poor rich liquid heat exchanger 18, Lean solution cooler 22, absorption tower 16 are sequentially connected in series；20 steam inlet of reboiler is divided into two-way, all the way with 1#CO2Heater 24, Throttle valve 14,4 steam drain of intermediate pressure cylinder are connected, and another way is connected with the outlet of 23 absorber of second-kind absorption-type heat pump；Reboiler 20 Outlet is divided into two-way, is connected all the way with condenser 7, another way is connected with 23 absorber entrance of second-kind absorption-type heat pump；Second 23 regenerator of class absorption heat pump and generator put hot water side entrance and 1#CO226, No. 2 heat pump heat supply devices 31 of water-borne formula heat exchanger Heat absorption side outlet be connected, 23 regenerator of second-kind absorption-type heat pump and generator put hot water side outlet and 1#CO2Water-borne formula is changed Hot device 26,2#CO2The heat absorption side entrance of water-borne formula heat exchanger 31 is connected；19 top of regenerator and 2#CO2Heater 25,1#CO2Water Matchmaker's formula heat exchanger 26, CO2The cold side of cooler 27, CO2Separator 28 is sequentially connected in series；CO228 bottom water of separator Side is connected with regenerator 19, CO228 top of separator is connected with 29 entrance of 1# compressor；1# compressor 29,3#CO2Heating Device 30,2#CO2The cold side of water-borne formula heat exchanger 31, interstage cooler 32,2# compressor 33 are sequentially connected in series；2#CO2Heater 25 heat absorbing sides, 3#CO230 heat absorbing side of heater, 1#CO224 heat absorbing side of heater, CO2Turbine 34, CO2Air heat exchanger 36 CO2Side, CO2Recirculation cooler 37, CO2The series connection forming circuit of compressor 38；CO2Turbine 34 is connect with 2# generator 35.
The supercritical CO2It is integrated with coal fired power plant decarburization and the working principle of the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN includes fire coal Power generation, decarburization and CO2Circulating generation: the coal fired power generation is by including high pressure cylinder 3, intermediate pressure cylinder 4, low pressure (LP) cylinder 5 and 1# generator 6 What the steam turbine power generating of composition was served as, wherein 20 steam inlet of reboiler is divided into two-way, respectively with 1#CO2Heater 24 Heat release side outlet, the outlet of 23 absorber of second-kind absorption-type heat pump are connected, i.e. 20 heat of reboiler is provided by two parts: a part It is that intermediate pressure cylinder 4 steam discharge in part is depressured through throttle valve 14,1#CO2Heater 24 is put after being cooled to saturated vapor into reboiler 20 Heat；Another part is that 23 generator of second-kind absorption-type heat pump absorbs 1#CO2Water-borne formula heat exchanger 26 and 2#CO2Water-borne formula heat exchange 31 heat of device, hydrophobic in 23 absorber evaporation section reboiler 20 of second-kind absorption-type heat pump, generation saturated vapor enters to boil again 20 heat release of device；The outlet of reboiler 20 is also classified into two-way, enters condenser 7 all the way, another way enters second-kind absorption-type heat pump 23 absorbers absorb high temperature heat and generate steam.
The decarbonizing process is that air initially enters CO2Air heat exchanger 36 is by CO234 steam discharge of turbine heating, then through sky Enter boiler 2 after air preheater 1；13 water side entrance of low-level (stack-gas) economizer is connected with the outlet of condensate pump 8 in bypass flue, low Warm 13 water side outlet of economizer is connected with 12 water side outlet of high-pressure heater group, the smoke evacuation of low-level (stack-gas) economizer 13 and air preheater 1 smoke evacuation enters tail flue gas pretreatment 15 and is dusted, after desulphurization and denitration, cooling treatment after converging, carry out into absorption tower 16 Decarbonizing process.
The CO2Circulating generation is CO2Cycle fluid sequentially enters 2#CO2Heater 25,3#CO2Heater 30,1#CO2 Heater 24, subsequently into CO2Turbine 34 does work, and driving 2# generator 35 generates electricity；CO234 steam discharge of turbine initially enters CO2It is empty Gas heat exchanger 36 heats air, then through CO2Recirculation cooler 37, CO22#CO is returned to after the cooling compression of compressor 382Heater 25 Heat absorption side entrance.

Claims (4)

1. a kind of supercritical CO2With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN, which mainly includes coal-fired hair Electronic system, decarburization subsystem and CO2Circulating generation subsystem, it is characterised in that: the main steam and high pressure cylinder of boiler (2) outlet (3) and the steam inlet of intermediate pressure cylinder (4) connects, and high pressure cylinder (3), intermediate pressure cylinder (4), low pressure (LP) cylinder (5), 1# generator (6) are successively gone here and there Connection；Low pressure (LP) cylinder (5) steam discharge is connect with condenser (7) entrance, and condenser (7), low-pressure heater group (9), removes condensate pump (8) Oxygen device (10), feed pump (11), high-pressure heater group (12) are sequentially connected in series；Low-pressure heater group (9) and steam turbine intermediate pressure cylinder (4) and the connection of the low-pressure pumping steam of low pressure (LP) cylinder (5), oxygen-eliminating device (10) connect with intermediate pressure cylinder (4) steam extraction, high-pressure heater group (12) and The connection of the high pressure extraction of intermediate pressure cylinder (4) and high pressure cylinder (3)；Intermediate pressure cylinder (4) steam discharge is divided into two-way, all the way with throttle valve (14), 1# CO2Heater (24), reboiler (20) are connected, and another way is connected with low pressure (LP) cylinder (5) steam inlet；Low-level (stack-gas) economizer (13) water side It is in parallel with low-pressure heater group (9), high-pressure heater group (12), low-level (stack-gas) economizer (13) fume side and air preheater (1) cigarette Gas side is in parallel；Low-level (stack-gas) economizer (13) exiting flue gas and air preheater (1) exiting flue gas converge, and pre-process through tail flue gas (15) it is connected afterwards with absorption tower (16) smoke inlet；Absorption tower (16) bottom and rich solution pump (17), poor rich liquid heat exchanger (18), again Raw tower (19) are sequentially connected in series；Regenerator (19) bottom and reboiler (20), lean pump (21), poor rich liquid heat exchanger (18), lean solution Cooler (22), absorption tower (16) are sequentially connected in series；Reboiler (20) steam inlet is divided into two-way, all the way with 1#CO2Heater (24), throttle valve (14), intermediate pressure cylinder (4) steam drain are connected, and another way exports phase with second-kind absorption-type heat pump (23) absorber Even；Reboiler (20) outlet is divided into two-way, is connected all the way with condenser (7), and another way and second-kind absorption-type heat pump (23) are inhaled Device entrance is received to be connected；Second-kind absorption-type heat pump (23) regenerator and generator put hot water side entrance and 1#CO2Water-borne formula heat exchange Device (26), 2#CO2The heat absorption side outlet of water-borne formula heat exchanger (31) is connected, second-kind absorption-type heat pump (23) regenerator and hair Raw device puts hot water side outlet and 1#CO2Water-borne formula heat exchanger (26), 2#CO2The heat absorption side entrance of water-borne formula heat exchanger (31) is connected； Regenerator (19) top and 2#CO2Heater (25), 1#CO2Water-borne formula heat exchanger (26), CO2The cold side of cooler (27), CO2Separator (28) is sequentially connected in series；CO2Separator (28) bottom water side is connected with regenerator (19), CO2Separator (28) top is connected with 1# compressor (29) entrance；1# compressor (29), 3#CO2Heater (30), 2#CO2Water-borne formula heat exchanger (31), the cold side of interstage cooler (32), 2# compressor (33) are sequentially connected in series；2#CO2Heater (25) heat absorbing side, 3#CO2Add Hot device (30) heat absorbing side, 1#CO2Heater (24) heat absorbing side, CO2Turbine (34), CO2Air heat exchanger (36) CO2Side, CO2It follows Ring cooler (37), CO2Compressor (38) series connection forming circuit；CO2Turbine (34) is connect with 2# generator (35).
2. supercritical CO according to claim 12With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN, feature It is, the decarburization subsystem is connected by low-level (stack-gas) economizer in bypass flue (13) water side entrance with condensate pump (8) outlet, Low-level (stack-gas) economizer (13) water side outlet is connected with high-pressure heater group (12) water side outlet；CO2Air heat exchanger (36) and sky Air preheater (1) connection, CO2Turbine (34) outlet and CO2The connection of air heat exchanger (36) entrance；In boiler (2) bypass flue Air preheater (1) is connect with tail flue gas pretreatment (15) and low-level (stack-gas) economizer (13) respectively, and tail flue gas pre-processes (15) It is connected to absorption tower (16).
3. supercritical CO according to claim 12With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN, feature Be, reboiler (20) steam inlet of the coal fired power generation subsystem is divided into two-way, respectively with 1#CO2Heater (24) heat release Side outlet, the outlet of second-kind absorption-type heat pump (23) absorber are connected, 1#CO2Heater (24) passes through throttle valve (14) and middle pressure Cylinder (4) is connected with low pressure (LP) cylinder (5) communicating pipe steam extraction；Second-kind absorption-type heat pump (23) generator respectively with 1#CO2Water-borne formula is changed Hot device (26) and 2#CO2The connection of water-borne formula heat exchanger (31), second-kind absorption-type heat pump (23) absorber and reboiler (20) and Condenser (7) connection.
4. supercritical CO according to claim 12With coal fired power plant decarburization is integrated and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN, feature It is, the CO2Circulating generation subsystem includes 2#CO2Heater (25), 3#CO2Heater (30), 1#CO2Heater (24), CO2Turbine (34) and 2# generator (35)；CO2Turbine (34) and CO2Air heat exchanger (36), CO2Recirculation cooler (37), CO2 Compressor (38) and 2#CO2Heater (25) is sequentially connected.
CN201821141214.0U 2018-07-18 2018-07-18 Supercritical CO 2 and coal fired power plant decarburization integrate and the electricity generation system of UTILIZATION OF VESIDUAL HEAT IN Withdrawn - After Issue CN208918610U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868933A (en) * 2018-07-18 2018-11-23 华北电力大学 Integrated supercritical CO2Coal-fired decarburization and heat utilization power generating system with heat pump
CN112595147A (en) * 2020-11-11 2021-04-02 中盐华能储能科技有限公司 Compressed air energy storage system compression side heat exchanger arrangement structure and heat exchange method
CN108868933B (en) * 2018-07-18 2023-09-22 华北电力大学 Coal-fired decarburization and waste heat utilization power generation system integrating supercritical CO ₂ and heat pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868933A (en) * 2018-07-18 2018-11-23 华北电力大学 Integrated supercritical CO2Coal-fired decarburization and heat utilization power generating system with heat pump
CN108868933B (en) * 2018-07-18 2023-09-22 华北电力大学 Coal-fired decarburization and waste heat utilization power generation system integrating supercritical CO ₂ and heat pump
CN112595147A (en) * 2020-11-11 2021-04-02 中盐华能储能科技有限公司 Compressed air energy storage system compression side heat exchanger arrangement structure and heat exchange method

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