CN110630381A - IGCC system with adjustable thermoelectric proportion and operation method thereof - Google Patents
IGCC system with adjustable thermoelectric proportion and operation method thereof Download PDFInfo
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- CN110630381A CN110630381A CN201911040205.1A CN201911040205A CN110630381A CN 110630381 A CN110630381 A CN 110630381A CN 201911040205 A CN201911040205 A CN 201911040205A CN 110630381 A CN110630381 A CN 110630381A
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- flue gas
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- heat boiler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- 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
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Abstract
The invention discloses an Integrated Gasification Combined Cycle (IGCC) system with adjustable thermoelectric proportion and an operation method thereof, and the IGCC system comprises a gas turbine power generation system, a waste heat boiler power generation system and a heat supply system, wherein a flue gas outlet of the gas turbine power generation system is provided with a flue gas adjusting device, the flue gas adjusting device is provided with a flue gas inlet, a first flue gas outlet and a second flue gas outlet, the first flue gas outlet is communicated with the waste heat boiler power generation system, a first flue gas adjusting baffle is arranged in a flue between the first flue gas outlet and the waste heat boiler power generation system, the second flue gas outlet is communicated with the heat supply system, a second flue gas adjusting baffle is arranged in a flue between the second flue gas outlet and the heat supply system, and the flue gas outlets of the heat; the flue gas waste heat of the IGCC system can be distributed and utilized, the thermoelectric proportion can be adjusted by using the flue gas adjusting device, the thermoelectric decoupling of the IGCC system is further realized, and the flexibility of the IGCC system and the friendliness to a power grid are improved.
Description
Technical Field
The invention belongs to the field of clean and green coal power generation, and particularly relates to an Integrated Gasification Combined Cycle (IGCC) system with an adjustable thermoelectric proportion and an operation method thereof.
Background
The IGCC is an integrated gasification combined cycle power generation system, which comprises a coal gasification and purification part and a fuel gas-steam combined cycle power generation part, wherein the main equipment of the first part comprises a gasification furnace, an air separation device and coal gas purification equipment (comprising a sulfur recovery device); the main equipment of the second part comprises a gas turbine power generation system, a waste heat boiler and a steam turbine power generation system; the process of the IGCC comprises the following steps: the coal is gasified into medium and low heat value coal gas, the coal gas is purified to remove pollutants such as sulfide, nitride, dust and the like in the coal gas, the coal gas is changed into clean gas fuel, then the clean gas fuel is sent into a combustion chamber of a gas turbine to be combusted, a gas working medium is heated to drive the gas turbine to do work, the exhaust gas of the gas turbine enters a waste heat boiler to heat water supply, and superheated steam is generated to drive a steam turbine to do work. The IGCC technology combines a clean coal gasification technology with a high-efficiency gas-steam combined cycle power generation system, has high power generation efficiency and excellent environmental protection performance, and is a clean coal power generation technology with development prospect.
In recent years, with the rapid development of clean energy in China, the coal electric installation machine is in excess. In the future, the coal power is gradually changed from a main power supply to a peak shaving power supply so as to adapt to the flexibility of a power grid. When the IGCC power station is designed in a one-to-one mode, all electric quantity is generated by a generator which is coaxial with a gas turbine and a steam turbine; in the one-driving-two mode, electric quantity is generated by a gas turbine generator and a steam turbine generator respectively. 60% of electricity of the IGCC power station is generated by a gas turbine generator, and the gas turbine has no condensed water and cannot generate heat supply heat. Meanwhile, the load regulation capability of the gas turbine is poor, the regulation of the generated energy is poor, the traditional IGCC power station is not favorable for being used as a flexible power supply, and the application of the IGCC technology is limited.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide an IGCC system with an adjustable thermoelectric proportion and an operation method thereof, so that the generated energy and the heat supply of the IGCC unit can be adjusted, and the flexibility of the unit and the friendliness to a power grid are improved.
In order to achieve the purpose, the invention adopts the technical scheme that the Integrated Gasification Combined Cycle (IGCC) system with the adjustable thermoelectric proportion comprises a gas turbine power generation system, a waste heat boiler power generation system and a heat supply system, wherein a flue gas outlet of the gas turbine power generation system is provided with a flue gas adjusting device, the flue gas adjusting device is provided with a flue gas inlet, a first flue gas outlet and a second flue gas outlet, the first flue gas outlet is communicated with the waste heat boiler power generation system, a first flue gas adjusting baffle is arranged in a flue between the first flue gas outlet and the waste heat boiler power generation system, the second flue gas outlet is communicated with the heat supply system, a second flue gas adjusting baffle is arranged in a flue between the second flue gas outlet and the heat supply system, and the flue gas outlets of the heat supply system and the waste.
The gas turbine power generation system comprises a gasification furnace, a gas cooler, a gas purifier and a gas turbine generator set, wherein the gasification furnace, the gas cooler, the gas purifier and the gas turbine generator set are sequentially communicated along the medium flow direction, and a gas outlet of the purifier is communicated with a gas inlet of a gas turbine combustion chamber of the gas turbine generator set.
The waste heat boiler power generation system comprises a waste heat boiler and a steam turbine generator set, and a smoke outlet of the waste heat boiler is communicated with a chimney.
The steam turbine in the steam turbine generator set is a straight condensing unit, a condensing unit or a backpressure unit.
The heat supply system comprises a hot water boiler and a heating station, a flue gas inlet of the hot water boiler is communicated with a second flue gas outlet, and a flue gas outlet of the hot water boiler is communicated with a chimney; the hot water outlet of the hot water boiler is communicated with the heating power station.
The flue gas adjusting device adopts a three-way structure, and along the flue gas flow direction, the flue gas adjusting device divides the main flue into two flues, the two flues are respectively communicated with the waste heat boiler and the hot water boiler, and baffle valves are arranged in the two flues.
The baffle valve is made of heat-resistant alloy.
The controller of the baffle valve is connected with the output end of the DCS in the factory, the controller of the baffle valve adopts an electric controller or a pneumatic controller, the two baffle valves are controlled in an interlocking mode, and when one opening is increased, the other opening is reduced.
According to the operation method of the IGCC system with the adjustable thermoelectric proportion, the flue gas of the gas turbine is distributed to the waste heat boiler power generation system and the heat supply system, the flue gas adjusting device adjusts the amount of the flue gas entering the waste heat boiler power generation system to be 0-100% of the total flue gas amount, and the thermoelectric ratio range of the IGCC system is 0-60%;
adjusting the steam flow of a waste heat boiler power generation system to enable the operation load of the waste heat boiler power generation system to be 0-100% of the rated load;
the water supply flow of the heat supply system is adjusted, so that the running load of the heat supply system is 0-100% of the rated load.
During the heating peak period, the amount of the flue gas introduced into the waste heat boiler power generation system is adjusted to 0; the amount of the smoke introduced into the heat supply system is adjusted to 100 percent; stopping the power generation system of the waste heat boiler; adjusting the water supply flow of the heat supply system to make the operation load of the heat supply system 100% of the rated load;
in the non-heating period, the amount of the flue gas introduced into the waste heat boiler power generation system is adjusted to 100 percent; the smoke introduced into the heat supply system is adjusted to 0; meanwhile, the steam flow of the waste heat boiler power generation system is adjusted to ensure that the running load of the waste heat boiler power generation system is 100% of the rated load; shutting down the heating system;
in the initial stage and the final stage of heating, along with the increase of heating load, the proportion of flue gas entering the waste heat boiler and the hot water boiler is adjusted by utilizing the flue gas adjusting device, the steam flow of a waste heat boiler power generation system and the water feeding flow of a hot water boiler heat supply system are adjusted, and then the load ratios of the waste heat boiler and the hot water boiler are controlled, so that the thermoelectric ratio of the whole system is adjusted.
Compared with the prior art, the invention has at least the following beneficial effects:
the system and the method can distribute and utilize the waste heat of the flue gas of the IGCC system, one part is used for power generation, the other part is used for heat supply, and the proportion of the two parts can be adjusted by using the flue gas adjusting device, so that the thermoelectric decoupling of the IGCC system can be realized, the flexibility of the IGCC system and the friendliness to a power grid are improved, the IGCC system can be used as a standby heat source point of a heat network, and the applicability and the application range of the IGCC system are improved.
Furthermore, the flue gas adjusting device can realize continuous adjustment of the amount of flue gas introduced into the waste heat boiler power generation system and the heat supply system by arranging the baffle valve in the flue, and the baffle valve is made of heat-resistant alloy, so that the waste heat boiler power generation system and the heat supply system can stably work at the working condition of 400 ℃ for a long time, and higher strength and good sealing performance are kept.
Furthermore, the two baffle valves have an interlocking function, and when the opening degree of one baffle valve is increased, the opening degree of the other baffle valve is reduced, so that the smoke can be enabled to completely enter a waste heat boiler power generation system and/or a heat supply system.
The invention adopts the flue gas adjusting device to change the flue gas volume of the gas turbine entering the waste heat boiler power generation system and the heat supply system, so as to adjust the electric power and heat supply output of the gas turbine, and simultaneously, the flue gas volume is matched to adjust the water supply volume of the waste heat boiler power generation system and the heat supply system, so that the thermoelectric ratio of the whole system can be effectively adjusted, and the flexibility of the IGCC system is improved.
Drawings
FIG. 1 is a schematic diagram of an IGCC system according to the present invention.
In the attached drawing, 1-a gasification furnace, 2-a gas cooler, 3-a gas purifier, 4-a gas turbine combustion chamber, 5-a gas turbine compressor, 6-a gas turbine, 7-a gas turbine generator, 8-a flue gas adjusting device, 9-a waste heat boiler, 10-a steam turbine, 11-a steam turbine generator, 12-a hot water boiler, 13-a thermal station and 14-a chimney.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an IGCC system with adjustable thermoelectric proportion comprises a gasification furnace 1, a gas cooler 2, a gas purifier 3, a gas turbine combustion chamber 4, a gas turbine compressor 5, a gas turbine 6, a gas turbine generator 7, a flue gas adjusting device 8, a waste heat boiler 9, a steam turbine 10, a steam turbine generator 11, a hot water boiler 12, a thermal station 13 and a chimney 14.
The outlet of the gasification furnace 1 is connected with the gas inlet of the gas cooler 2, the gas outlet of the gas cooler 2 is connected with the gas inlet of the gas purifier 3, the gas outlet of the gas purifier 3 is connected with the gas inlet of the gas turbine generator set, and the flue gas outlet of the gas turbine generator set is connected with the flue gas adjusting device 8; the flue gas adjusting device 8 is provided with a first flue gas outlet and a second flue gas outlet, and the first flue gas outlet is connected with a waste heat boiler generator set; the second flue gas outlet is connected with a heat supply system; the smoke outlets of the waste heat boiler and the heat supply system are both connected with a chimney 14.
The first flue gas outlet is connected with a flue gas inlet of the waste heat boiler; the second flue gas outlet is connected with a flue gas inlet of the hot water boiler;
the gas turbine power plant includes a gas turbine combustor 4, a gas turbine compressor 5, a gas turbine 6, and a gas turbine generator 7.
The flue gas adjusting device 8 adopts a three-way structure, and along the flow direction of flue gas, the flue gas adjusting device 8 divides the main flue into two flues which are respectively communicated with the waste heat boiler 9 and the hot water boiler 12, and baffle valves are arranged in the two flues; and flue gas flow sensors are arranged on the two flue ducts and are connected with the input end of the plant DCS.
The flue gas quantity entering the waste heat boiler 9 and the hot water boiler 12 is adjusted and controlled by the flue gas adjusting device 8, and further the heat proportion for generating electricity and supplying heat is adjusted.
An electrically controlled baffle valve is arranged in the flue gas adjusting device 8, flue gas of the gas turbine can be distributed to the waste heat boiler 9 and the hot water boiler 12, and the amount of the flue gas entering the waste heat boiler 9 is 0-100% of the total amount of the flue gas.
The waste heat boiler 9 can adjust the steam flow, the operation load is 0-100% of the rated load, and the power generation amount of the steam turbine generator 11 is 0-100% of the rated power generation amount.
The steam turbine 10 adopts a straight condensing unit, a condensing unit or a back pressure unit, and when the steam turbine 10 is the back pressure unit, the heat supply amount under different working conditions can be increased.
The hot water boiler 12 adjusts the water supply flow rate, and the operation load is 0-100% of the rated load.
The thermoelectric ratio of the system is 0-60%.
The invention relates to an operation method of an IGCC system with adjustable thermoelectric proportion, which comprises the following steps:
distributing the flue gas of the gas turbine to a waste heat boiler power generation system and a heat supply system, and adjusting the amount of the flue gas entering the waste heat boiler power generation system to be 0-100% of the total amount of the flue gas by using a flue gas adjusting device 8, so that the thermoelectric ratio of the IGCC system is 0-60%;
adjusting the steam flow of a waste heat boiler power generation system to enable the operation load of the waste heat boiler power generation system to be 0-100% of the rated load;
the water supply flow of the heat supply system is adjusted, so that the running load of the heat supply system is 0-100% of the rated load.
During the heating peak period, the amount of the flue gas introduced into the waste heat boiler power generation system is adjusted to 0; the amount of the smoke introduced into the heat supply system is adjusted to 100 percent; stopping the power generation system of the waste heat boiler; adjusting the water supply flow of the heat supply system to make the operation load of the heat supply system 100% of the rated load;
in the non-heating period, the amount of the flue gas introduced into the waste heat boiler power generation system is adjusted to 100 percent; the smoke introduced into the heat supply system is adjusted to 0; meanwhile, the steam flow of the waste heat boiler power generation system is adjusted to ensure that the running load of the waste heat boiler power generation system is 100% of the rated load; stopping the heating system;
at the initial stage and the final stage of heating, along with the increase of heating load, the proportion of flue gas entering the waste heat boiler and the hot water boiler is adjusted by the flue gas adjusting device 8, the steam flow of a waste heat boiler power generation system and the water feeding flow of a hot water boiler heat supply system are adjusted, the load ratios of the waste heat boiler and the hot water boiler are further controlled, and therefore the thermoelectric ratio of the whole system is adjusted. The system of the invention has the following working procedures:
raw coal is pretreated into dry coal powder and then enters a gasification furnace, the coal powder is gasified to generate crude coal gas, and the crude coal gas is cooled by a coal gas cooler 2 and purified by a coal gas purifier 3 to become fuel gas of a gas turbine; the fuel gas enters a combustion chamber 4 of the gas turbine, the fuel gas is mixed with oxygen compressed by a compressor 5 of the gas turbine and is combusted, works in a turbine 6 of the gas turbine, is converted into mechanical energy, and is finally converted into electric energy in a generator 7 of the gas turbine; the combustion products after doing work become flue gas; the flue gas is distributed into two parts by a flue gas adjusting device 8 and respectively enters a waste heat boiler 9 and a hot water boiler 12; the waste heat boiler 9 absorbs the waste heat of the flue gas to generate high-temperature steam for power generation, and the hot water boiler 12 absorbs the waste heat of the flue gas to generate hot water for heat supply.
The flue gas adjusting device 8 adopts a three-way structure, the flue gas adjusting device 8 divides the main flue into two flues along the flow direction of flue gas, and the flue gas is divided into two branches and enters the waste heat boiler 9 and the hot water boiler 12 respectively; the flue gas adjusting baffles are respectively arranged at the inlets of the two branch flues, and the opening range of each flue gas adjusting baffle is 0-100%; the flue gas adjusting baffle is electrically or pneumatically controlled. The two flapper valves have an interlocking function, one opening increasing while the other opening decreasing. By adjusting the opening of the two baffles, the flue gas resistance of the two branch flues can be adjusted, thereby adjusting the flow proportion of the flue gas entering the two branch flues. The flue gas adjusting device 8 has the characteristics of quick start and remote control, and the baffle plate of the flue gas adjusting device is made of high-strength alloy steel and can still keep higher strength and sealing property at 400 ℃.
In the heating period, the damper door on the flue leading to the waste heat boiler 9 is closed by the smoke adjusting device, the damper door on the flue leading to the hot water boiler 12 is opened, and the smoke of the gas turbine enters the hot water boiler 12 to generate hot water for heating. In the non-heating period, the damper door on the flue leading to the waste heat boiler 9 is opened by the flue gas adjusting device, the damper door on the flue leading to the hot water boiler 12 is closed, and the flue gas of the gas turbine enters the waste heat boiler 9 to generate steam for power generation.
Claims (10)
1. The utility model provides a thermoelectricity proportion adjustable IGCC system, its characterized in that, includes gas turbine power generation system, exhaust-heat boiler power generation system and heating system, and gas turbine power generation system's exhanst gas outlet sets up flue gas adjusting device (8), and flue gas adjusting device (8) are provided with flue gas inlet, first exhanst gas outlet and second exhanst gas outlet, first exhanst gas outlet intercommunication exhaust-heat boiler power generation system is provided with first flue gas adjusting baffle in the flue between first exhanst gas outlet and the exhaust-heat boiler power generation system, second exhanst gas outlet intercommunication heating system is provided with second flue gas adjusting baffle in the flue between second exhanst gas outlet and the heating system, and chimney (14) are all connected to heating system and exhaust-heat boiler power generation system's exhanst.
2. An IGCC system with adjustable thermoelectric proportion according to claim 1, characterized in that the gas turbine power generation system comprises a gasification furnace (1), a gas cooler (2), a gas purifier (3) and a gas turbine generator set, wherein the gasification furnace (1), the gas cooler (2), the gas purifier (3) and the gas turbine generator set are communicated in sequence along the medium flow direction, and the gas outlet of the purifier (3) is communicated with the gas inlet of a gas turbine combustion chamber (4) of the gas turbine generator set.
3. An IGCC system with adjustable thermoelectric proportion according to claim 1, characterized in that the waste heat boiler power generation system comprises a waste heat boiler (9) and a steam turbine generator set, and the flue gas outlet of the waste heat boiler (9) is communicated with a chimney (14).
4. An IGCC system with adjustable proportion of heat and electricity according to claim 3, characterized in that the steam turbine (10) in the steam turbine generator set is a straight condensing unit, an extraction condensing unit or a back pressure unit.
5. An IGCC system with adjustable proportion of heat and electricity according to claim 1, characterized in that the heat supply system comprises a hot water boiler (12) and a heat station (13), the flue gas inlet of the hot water boiler (12) is communicated with the second flue gas outlet, and the flue gas outlet of the hot water boiler (12) is communicated with a chimney (14); the hot water outlet of the hot water boiler (12) is communicated with the heat station (13).
6. An IGCC system with adjustable thermoelectric proportion according to claim 1, characterized in that the flue gas adjusting device (8) adopts a three-way structure, along the flow direction of the flue gas, the flue gas adjusting device (8) divides the main flue into two flues, the two flues are respectively communicated with the waste heat boiler (9) and the hot water boiler (12), and baffle valves are arranged in the two flues.
7. The IGCC system with adjustable thermoelectric proportion of claim 6, wherein the baffle valve is made of a heat resistant alloy.
8. The IGCC system with adjustable thermoelectric proportion as claimed in claim 6, wherein the controller of the baffle valve is connected with the output end of the plant area DCS, the controller of the baffle valve adopts an electric controller or a pneumatic controller, two baffle valves are interlocked and controlled, and when one opening is increased, the other opening is decreased.
9. The operation method of the IGCC system with the adjustable thermoelectric proportion as claimed in claim 1 is characterized in that the flue gas of the gas turbine is distributed to the waste heat boiler power generation system and the heat supply system, the flue gas adjusting device (8) adjusts the amount of the flue gas entering the waste heat boiler power generation system to be 0-100% of the total flue gas amount, and the thermoelectric ratio range of the IGCC system is 0-60%;
adjusting the steam flow of a waste heat boiler power generation system to enable the operation load of the waste heat boiler power generation system to be 0-100% of the rated load;
the water supply flow of the heat supply system is adjusted, so that the running load of the heat supply system is 0-100% of the rated load.
10. The method for operating an IGCC system with adjustable thermoelectric proportion as claimed in claim 9, wherein during the peak heating period, the amount of flue gas introduced into the waste heat boiler power generation system is adjusted to 0; the amount of the smoke introduced into the heat supply system is adjusted to 100 percent; stopping the power generation system of the waste heat boiler; adjusting the water supply flow of the heat supply system to make the operation load of the heat supply system 100% of the rated load;
in the non-heating period, the amount of the flue gas introduced into the waste heat boiler power generation system is adjusted to 100 percent; the smoke introduced into the heat supply system is adjusted to 0; meanwhile, the steam flow of the waste heat boiler power generation system is adjusted to ensure that the running load of the waste heat boiler power generation system is 100% of the rated load; shutting down the heating system;
at the initial stage and the final stage of heating, along with the increase of heating load, the proportion of flue gas entering the waste heat boiler and the hot water boiler is adjusted by the flue gas adjusting device (8), the steam flow of a waste heat boiler power generation system and the water feeding flow of a hot water boiler heat supply system are adjusted, the load factors of the waste heat boiler and the hot water boiler are further controlled, and therefore the thermoelectric ratio of the whole system is adjusted.
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| CN201911040205.1A CN110630381A (en) | 2019-10-29 | 2019-10-29 | IGCC system with adjustable thermoelectric proportion and operation method thereof |
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| CN206016977U (en) * | 2016-08-17 | 2017-03-15 | 华电电力科学研究院 | A kind of coal gasification distributed energy resource system |
| CN207647562U (en) * | 2017-11-02 | 2018-07-24 | 江苏金通灵流体机械科技股份有限公司 | A kind of cold and hot, electric, steam co-feeding system |
| CN210714852U (en) * | 2019-10-29 | 2020-06-09 | 中国华能集团有限公司 | IGCC system with adjustable thermoelectric proportion |
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2019
- 2019-10-29 CN CN201911040205.1A patent/CN110630381A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112215A (en) * | 1995-10-16 | 1997-04-28 | Toshiba Corp | Gas turbine power plant and method of operating thereof |
| DE10155508A1 (en) * | 2000-11-28 | 2002-08-29 | Man Turbomasch Ag Ghh Borsig | Generating electrical energy involves heating natural gas at high pressure and heating branch flow from water-steam circuit by heating surface of waste heat boiler |
| CN104989530A (en) * | 2015-07-15 | 2015-10-21 | 中国电力工程顾问集团华东电力设计院有限公司 | Heat supplying system of heat-conducting oil in combined heat and power generation of gas-steam combined cycle and heat supplying method |
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