CN106918030A - A kind of coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system - Google Patents
A kind of coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system Download PDFInfo
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- CN106918030A CN106918030A CN201710017852.5A CN201710017852A CN106918030A CN 106918030 A CN106918030 A CN 106918030A CN 201710017852 A CN201710017852 A CN 201710017852A CN 106918030 A CN106918030 A CN 106918030A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system, it is characterised in that the system includes：The high-pressure heater of multiple series connection, the low-pressure heater of multiple series connection, the boiler with economizer and water-cooling wall, steam-water separator, coal fired power plant heating device, solar heater, and steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and generator.The present invention is proposed with fused salt as tower type solar collecting system intermediate heat transfer working medium and heats the new Integrated Solution of superheated steam and reheated steam simultaneously, the heat-collecting temperature of solar heat is not improve merely with tower type solar heat collector, takes overheat, two sections of integrated methods of reheating that solar heat can be avoided to introduce the normal operation of the influence of fluctuations steam turbine produced after coal unit.The present invention is more reasonable using the relatively conventional integration mode of aspect in the high temperature of solar heat, while also having significant thermodynamic advantages and economic sexual clorminance.
Description
Technical field
The invention belongs to solar heat complementation coal fired power plant technical field of power generation, and in particular to a kind of coal-saving high temperature is tower
Solar heat complementation coal fired power plant integrated system.
Background technology
From the first time industrial revolution, fossil energy serves as key player in human civilization progress.But from last century 50
Age Europe photochemical pollution, domestic wide range of haze by now, the problem of environmental pollution that fossil energy consumption is brought is
Through badly influencing health of people.Nowadays energy-saving and emission-reduction have become international consensus, and development diversification energy resource structure is that various countries exert
The target of power.Solar energy is gradually taken seriously with its unique advantage, and generally speaking developing solar energy has following advantage：Without greenhouse gas
Body (mainly CO2, NOX) or toxic gas (SO2, particle) and discharge；Increase region/national energy independence；Solar energy is can be again
The raw energy, energetic and cheap.The electric power of China 70% comes from thermal power plant, is restricted by resource and environment,
The work of energy-saving and emission-reduction is more and more important, and many coal consumptions Medium ＆ small size power plant higher faces the destiny closed down.Therefore
The complementary utilization of the energy gradually starts to turn into the important development trend of energy resource system.The solar energy resources of China enriches very much, too
Positive energy assistant coal electricity generation system is gradually paid attention to by everybody.In traditional solar heat complementation coal fired power plant system, the sun
Can according to after the introducing system different from integrated temperature of integrated position on the influence of the operating condition of boiler circuit and steam turbine compared with
Greatly.In traditional solar heat complementation coal fired power plant integrated system, low-temperature heat quantity in being produced using trough type solar heat-collector
Integration mode, this mode can not efficiently, rationally utilize solar energy resources.The present invention proposes a kind of tower type solar and routine
Coal-burning power plant's Integrated Solution, not only can efficiently utilize high-temperature solar, it is also possible to using solar energy heating reheated steam this
One process is used as the Main Means for regulating and controlling reheat steam temperature.The operating condition of steam turbine part does not have because of solar heat
Introduce and change, the safe operation of solar heat complementation coal fired power plant system is also ensure that on the premise of coal-supplying amount is reduced.
The content of the invention
The present invention with solar heat complementation coal fired power plant system as frame of reference, by change system solar energy it is integrated
Position and integration mode, propose with the coal-saving new integrated system of high temperature tower-type solar thermal complementation coal fired power plant system.Should
System uses the intermediate heat transfer working medium with fused salt as tower type solar collecting system, while heating superheated steam with reheated steam
New Integrated Solution, does not improve the heat-collecting temperature of solar heat merely with tower type solar heat collector, and takes overheat, again
Two sections of integrated methods of heat can avoid solar heat from introducing the normal operation of the influence of fluctuations steam turbine produced after coal unit.
While system receives more solar energy, more coal-supplying amounts are saved, improve the optical-electronic conversion efficiency of solar energy.The present invention
It is more reasonable using the relatively conventional integration mode of aspect in the high temperature of solar heat, while also having significant thermodynamic advantages
With economic sexual clorminance.
The technical solution adopted by the present invention is：
A kind of coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system, including multiple hyperbaric heatings connected
Device, the low-pressure heater of multiple series connection, the boiler with economizer and water-cooling wall, steam-water separator, coal fired power plant receives hot charging
Put, solar heater, and steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and generator.
Wherein, the annexation of all parts and technological process are as follows in system：One-level high-pressure heater giving out
Water is heated to saturated-vapor state in being introduced into boiler through economizer and water wall surface, steams saturation in steam-water separator
Vapour is divided into two parts.A part of saturated vapor flows through low temperature superheater successively according to original coal fired power plant heating surface arrangement
(low mistake), segmentation screen superheater (segmentation screen), Late reworking (shielding afterwards) and high temperature superheater (exceeding).Due to using saving
Coal type pattern, exceeding outlet steam temperature can decrease.Another part saturated vapor is introduced into solar heater and high temperature
Fused salt heat exchanging, then mixes this part superheated steam with outlet vapor is exceeded, and maintains main steam (high pressure cylinder enters vapour) temperature not
Become (566 DEG C), be subsequently passed in high pressure cylinder (HP) and be expanded to generator acting.Steam turbine high-pressure cylinder steam discharge need to be introduced in boiler
Carry out reheating, steam discharge will pass sequentially through boiler internal low-temperature reheater (low again) and high temperature reheater (high again).Due to using section
Coal type pattern is saved, outlet steam temperature again high can decrease.Reheated steam is introduced into another solar heater to be changed with fused salt
Heat, maintains reheated steam (intermediate pressure cylinder enters vapour) temperature-resistant (566 DEG C), is subsequently passed in intermediate pressure cylinder (IP) and is expanded to generator and does
Work(, this part reheated steam into intermediate pressure cylinder continues as generator acting according to coal fired power plant boiler circuit flow, flows successively
Through low pressure (LP) cylinder (LP), series connection low-pressure heater 5,6,7,8, oxygen-eliminating device 4 and series connection high-pressure heater 1,2,3 so that complete
Into whole circulation.
Further, the coal fired power plant heating device include low mistake, panel superheater, shield afterwards and exceed equipment, and it is low again and
Equipment, oxygen-eliminating device again high.
Further, the solar heater includes heliostat, tower receiver and multiple high-temperature molten salt slot type heat exchangers.
Further, the number of the high-temperature molten salt slot type heat exchanger is 2, and one is used to for saturated vapor to be heated to overheat
Steam condition, and mix to maintain high pressure cylinder throttle (steam) temperature constant with the superheated steam for exceeding outlet.Another is used for height again
Outlet is heated to rated temperature less than the reheated steam of rated temperature.
Further, retaining board device of flue is also carried as auxiliary for heating the high-temperature molten salt slot type heat exchanger of reheated steam
Means, it is to avoid the problem of baffle plate method failure of adjustment.Traditional damper method regulates and controls reheated steam temperature with segmentation damper method
The advantage of degree is simple structure, easy to operate, is used by many large-sized station boilers.But have the disadvantage the time lag of steam temperature regulation too
Greatly, the aperture of baffle plate turns to non-linear relation with steam temperature change, and aperture effective range is narrower.Gas baffle is in 40%~60% aperture
With good regulation performance, flue gas share has good steam temperature regulation performance 30%~70%.But if flue gas share
Less than 25% or higher than 75%, baffle plate will not have adjustment effect, and the regulating measure of reheater steam temperature will fail, and no longer can guarantee that
The specified steam temperature of reheater.
Beneficial effects of the present invention are：, using compared with solar energy heating feedwater/condensate scheme, the present invention was adopted with the past
Use solar energy heating high-temperature steam, due to the change without regenerative steam amount, do not interfere with whole steam turbine it is through-flow in steam
Flow, pressure, temperature and institute's amount of work.Without in order to ensure unit safety operation, calculating check being carried out to regenerative steams at different levels.
In addition, the present invention uses supercritical once-through boiler, there is no drum, heat storage capacity is small, therefore, under the interference of same degree, steam
The change of stripping temperature can become apparent from compared to dum boiler, and the present invention can well control the temperature of main steam and reheated steam
Degree.
Brief description of the drawings
Fig. 1 is coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system solar heat part flow of the invention
Schematic diagram.
Fig. 2 is coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system coal fired power plant part flow of the invention
Schematic diagram.
In figure：1- one-level high-pressure heaters；Bis- grades of high-pressure heaters of 2-；3- three-level high-pressure heaters；4- oxygen-eliminating devices；5- mono-
Level low-pressure heater；Bis- grades of low-pressure heaters of 6-；7- three-level low-pressure heaters；8- level Four low-pressure heaters；HP is that steam turbine is high
Cylinder pressure；IP is Steam Turbine Through IP Admission；LP is turbine low pressure cylinder；G is generator.
Specific embodiment
The present invention proposes a kind of performance based on traditional solar heat complementation coal fired power plant system by changing system flow
More excellent system integration scheme, below by the drawings and specific embodiments, the present invention will be further described.Coal unit is selected
660MW supercritical thermal power units are taken as frame of reference.
System flow chart is as depicted in figs. 1 and 2：The feedwater of one-level high-pressure heater (1) outlet introduces boiler Zhong Jing and saves coal
The heating surface such as device and water-cooling wall is heated to saturated-vapor state, is divided into two parts in steam-water separator exit afterwards.One
Saturated vapor is divided to flow through low mistake, panel superheater successively according to original coal fired power plant heating surface arrangement, shield afterwards and exceed.It is another
Fractional saturation steam be introduced into #1 solar heaters with high-temperature molten salt heat exchange, then by this part superheated steam with exceed outlet
Steam, maintains main steam temperature constant (566 DEG C) to be subsequently passed expansion work in high pressure cylinder (HP).Steam turbine high-pressure cylinder is arranged
Vapour is introduced to carry out reheating in boiler, and high pressure cylinder steam discharge will pass sequentially through the low mistake of boiler internal with height again.Exceed the reheating of outlet
Steam introduces #2 solar heaters and is exchanged heat with high-temperature molten salt, and reheat steam temperature is heated into 566 DEG C, is subsequently passed intermediate pressure cylinder
(IP) generator acting is expanded in, this part reheated steam into intermediate pressure cylinder continues according to coal fired power plant boiler circuit flow
For generator does work, the high pressure of low pressure (LP) cylinder (LP), the low-pressure heater 5,6,7,8, oxygen-eliminating device 4 of series connection and series connection is flowed through successively
Heater 1,2,3, so as to complete whole circulation.By the reheated steam after solar energy heating and former coal fired power plant system reheated steam
Thermal parameter (temperature, pressure, flow etc.) is identical, therefore after being had no effect on through the reheated steam after solar energy heating
Thermodynamic cycle.From the foregoing, the introducing of solar energy reduces the coal-supplying amount of coal fired power plant, boiler passes to the heat of steam (water)
Amount is reduced so that superheated steam and reheated steam can not reach rated temperature, influences the safe operation of coal unit.The present invention
Superheated steam and reheated steam are heated to rated temperature using solar energy, compensate for being steamed caused by because reducing coal-supplying amount
The influence that vapour caloric receptivity is not enough.
In tower type solar collecting system, low-temperature molten salt is introduced into tower type solar receiver through pump for liquid salts and receives the sun
Energy heat, two parts is divided into through the high-temperature molten salt after solar energy heating and separately flows into #1 solar heaters and #2 solar energy heatings
Device heats superheated steam and reheated steam.Two parts low-temperature molten salt after heat exchange collects to again flow into circulation is constituted in pump for liquid salts.
In tower type solar collecting system this process of reheated steam as regulation and control reheated steam is heated by the use of #2 solar heaters
The Main Means of temperature, damper method is used as auxiliary adjustment means, it is to avoid conventional segmentation damper method regulation and control reheating is steamed
Problem during stripping temperature when flue gas share less than 25% or higher than 75% baffle plate method failure of adjustment.
With reference to example, the present invention is further described.
System primary condition：The present invention is using a 660MW supercritical thermal power unit as frame of reference, the main ginseng of unit
Number is as shown in table 1.In order to accurately weigh influence of the introducing of solar energy under different operating modes to unit coal conservation and performance, definition
Two parameters：
In formula, ηseIt is photoelectric transformation efficiency；PSIt is solar energy power output (W)；It is total solar energy irradiation energy
(kJ/h)；PZIt is complementary system power output (W)；It is the total thermic load of boiler (kJ/h)；ηrefIt is the former coal-fired electricity of frame of reference
The efficiency of factory；B is net coal consumption rate (g/kWh)；mscIt is the Coal-fired capacity (kg) for being transformed into mark coal；E is the electric energy of power plant's output
(kWh)。
Table 2 changes to extract the system major parameter after 11% steam flow；Table 3 is each design point parameter in new system；
Table 4 is the annual thermodynamic property of new system.In the design of solar energy mirror scale, an optimal solar energy mirror is considered as
Scene is accumulated.Because when solar energy mirror scene is accumulated to be increased, new system can be using more solar energy so as to save more coals
Amount.But with the increase of solar energy input quantity, the optical-electronic conversion efficiency of solar energy is not to increase always, but is being reached
Begun to decline after to a certain value.New system optimal design point parameter is as shown in table 5.
The major parameter of the benchmark coal fired power plant of table 1
Table 2 extracts the system major parameter change after 11% steam flow
Each design point parameter in the new system of table 3
The annual thermodynamic property of the new system of table 4
The new system optimal design point parameter of table 5
As shown in table 3, table 4, complementary system compares original system, and coal consumption reduces 7.7g/kWh, and full factory's efficiency improves 1.07%,
Maximum instantaneous photoelectric transformation efficiency up to 23.16%, year photoelectric transformation efficiency be 15.36%.And under optimal design point, table 5
It is shown, year photoelectric transformation efficiency bring up to 16.97%.For existing single solar energy thermal-power-generating technology, the present invention is coal-saving
High temperature tower-type solar thermal complementation coal fired power plant integrated system is more cost-effective, therefore with certain economic sexual clorminance.
The present invention is described in detail above, it is clear that as long as essentially without disengaging inventive point of the invention and effect
Really, will be readily apparent to persons skilled in the art deformation, also be all contained within protection scope of the present invention.
Claims (5)
1. a kind of coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system, it is characterised in that the system includes：It is many
The high-pressure heater of individual series connection, the low-pressure heater of multiple series connection, the boiler with economizer and water-cooling wall, steam-water separation
Device, coal fired power plant heating device, solar heater, and steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and
Generator；
Wherein, the annexation of all parts and technological process are as follows in system：The feedwater out of one-level high-pressure heater is drawn
Enter and be heated to saturated-vapor state through economizer and water wall surface in boiler, by saturated vapor point in steam-water separator
It is two parts；A part of saturated vapor flows through low temperature superheater, segmentation successively according to original coal fired power plant heating surface arrangement
Screen superheater, Late reworking and high temperature superheater；Another part saturated vapor is introduced into solar heater and high temperature melting
Salt exchanges heat, and then mixes this part superheated steam with outlet vapor is exceeded, and maintains high pressure cylinder throttle (steam) temperature constant, is subsequently passed
Generator acting is expanded in high pressure cylinder；Steam turbine high-pressure cylinder steam discharge is introduced to carry out reheating in boiler, and steam discharge will be passed sequentially through
Boiler internal low-temperature reheater and high temperature reheater；Reheated steam is introduced into another solar heater and fused salt heat exchanging, is maintained
Intermediate pressure cylinder throttle (steam) temperature is constant, is subsequently passed in intermediate pressure cylinder and is expanded to generator acting acting；Into the reheated steam of intermediate pressure cylinder
Generator acting acting is continued as according to coal fired power plant boiler circuit flow, low pressure (LP) cylinder is flowed through successively, the low-pressure heater of series connection,
Oxygen-eliminating device and the high-pressure heater of series connection are so as to complete whole circulation.
2. coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system according to claim 1, its feature exists
Include low mistake, panel superheater in, the coal fired power plant heating device, shield afterwards and exceed equipment, and it is low again with equipment, deoxygenation again high
Device.
3. coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system according to claim 1, its feature exists
In the solar heater includes heliostat, tower receiver and multiple high-temperature molten salt slot type heat exchangers.
4. coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system according to claim 3, its feature exists
In, the number of the high-temperature molten salt slot type heat exchanger is 2, and one is used to for saturated vapor to be heated to superheated steam state, and
Mix with the superheated steam for exceeding outlet to maintain high pressure cylinder throttle (steam) temperature constant, another is used to export height less than specified again
The reheated steam of temperature is heated to rated temperature.
5. coal-saving high temperature tower-type solar thermal complementation coal fired power plant integrated system according to claim 4, its feature exists
In：High-temperature molten salt slot type heat exchanger for heating reheated steam also carries retaining board device of flue as supplementary means.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442984A (en) * | 2018-03-06 | 2018-08-24 | 西安热工研究院有限公司 | A kind of micro- thermal process again of steam turbine and implementation system |
| CN108518324A (en) * | 2018-03-20 | 2018-09-11 | 华北电力大学 | A kind of tower type solar photo-thermal coupling coal generating system with accumulation of energy |
| CN109185085A (en) * | 2018-08-21 | 2019-01-11 | 中国华能集团清洁能源技术研究院有限公司 | A kind of double reheat formula solar energy and coal fired power plant complementary power generation system and operation method |
| CN110332516A (en) * | 2019-07-08 | 2019-10-15 | 华北电力大学 | Based on tower type solar assistant coal electricity generation system and its steam temperature control method |
| CN110762508A (en) * | 2019-10-31 | 2020-02-07 | 中船九江锅炉有限公司 | Secondary high-voltage direct-current boiler and drainage system using same |
| CN111241711A (en) * | 2020-02-19 | 2020-06-05 | 西安交通大学 | Photoelectric conversion efficiency optimization control method for light-coal complementary system variable working condition |
| CN115288961A (en) * | 2022-08-17 | 2022-11-04 | 西安热工研究院有限公司 | Double-tank heat storage type light-coal complementary steam turbine system and power generation system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442984A (en) * | 2018-03-06 | 2018-08-24 | 西安热工研究院有限公司 | A kind of micro- thermal process again of steam turbine and implementation system |
| CN108518324A (en) * | 2018-03-20 | 2018-09-11 | 华北电力大学 | A kind of tower type solar photo-thermal coupling coal generating system with accumulation of energy |
| CN109185085A (en) * | 2018-08-21 | 2019-01-11 | 中国华能集团清洁能源技术研究院有限公司 | A kind of double reheat formula solar energy and coal fired power plant complementary power generation system and operation method |
| CN109185085B (en) * | 2018-08-21 | 2020-05-26 | 中国华能集团清洁能源技术研究院有限公司 | Secondary reheating type solar energy and coal-fired power plant complementary power generation system and operation method |
| CN110332516A (en) * | 2019-07-08 | 2019-10-15 | 华北电力大学 | Based on tower type solar assistant coal electricity generation system and its steam temperature control method |
| CN110762508A (en) * | 2019-10-31 | 2020-02-07 | 中船九江锅炉有限公司 | Secondary high-voltage direct-current boiler and drainage system using same |
| CN110762508B (en) * | 2019-10-31 | 2021-10-08 | 中船九江锅炉有限公司 | Secondary high-voltage direct-current boiler and drainage system using same |
| CN111241711A (en) * | 2020-02-19 | 2020-06-05 | 西安交通大学 | Photoelectric conversion efficiency optimization control method for light-coal complementary system variable working condition |
| CN115288961A (en) * | 2022-08-17 | 2022-11-04 | 西安热工研究院有限公司 | Double-tank heat storage type light-coal complementary steam turbine system and power generation system |
| CN115288961B (en) * | 2022-08-17 | 2024-08-20 | 西安热工研究院有限公司 | Double-tank heat-storage type light-coal complementary steam turbine system and power generation system |
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