CN102966495B - Tower type solar energy-steam combustion gas combined cycle power generation system - Google Patents
Tower type solar energy-steam combustion gas combined cycle power generation system Download PDFInfo
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- CN102966495B CN102966495B CN201210446129.6A CN201210446129A CN102966495B CN 102966495 B CN102966495 B CN 102966495B CN 201210446129 A CN201210446129 A CN 201210446129A CN 102966495 B CN102966495 B CN 102966495B
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- 238000010248 power generation Methods 0.000 title claims abstract description 35
- 239000000567 combustion gas Substances 0.000 title abstract 6
- 239000006096 absorbing agent Substances 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 28
- 239000003546 flue gas Substances 0.000 claims description 28
- 229920006395 saturated elastomer Polymers 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 23
- 239000002918 waste heat Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000006392 deoxygenation reaction Methods 0.000 claims description 11
- 239000003245 coal Substances 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 7
- 239000003517 fume Substances 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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]
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to a tower type solar energy-steam combustion gas combined cycle power generation system, which comprises a solar energy heat absorber, a combustion gas turbine, a residual heat boiler and a steam turbine. The residual heat boiler is connected with the combustion gas turbine; the solar energy heat absorber is connected with a superheater unit of the residual heat boiler; a fume outlet of the combustion gas turbine is communicated with a main flue of a fire hole section of the residual heat boiler; a bypass pipeline is arranged on the main flue; a fume distributing device is arranged on the bypass pipeline; when solar energy reaches a preset value, the fume distributing device closes the bypass pipeline; and when the solar energy does not reach the preset value, the fume distributing device opens the bypass pipeline. By using the tower type solar energy-steam combustion gas combined cycle power generation system, through arranging the bypass pipeline on the main flue and the fume distributing device, the flexible regulation of a superheated steam temperature is realized; the defect that the power generation by using pure solar energy is unstable is overcome; the power generation efficiency and the power generation quality are improved; the consumption of a fuel can be effectively decreased; and the purposes of energy saving and emission reduction are achieved.
Description
Invention field
The present invention relates generally to solar thermal applications field, be specifically related to a kind of tower type solar-steam-gas cycle power generation system.
Background technique
Solar heat power generation system utilizes heliostat to reflex on receiving plane by sunlight, then by heat-transfer working medium as water, air, liquid metal or melt salt etc. and solar radiant energy changed into the heat energy that receiving plane exports.Simple solar heat power generation system is higher owing to investing with cost of electricity-generating, Economy cannot generate electricity with conventional energy resource and be equal to mutually, and exist discontinuous with problems such as instability, therefore solar energy and conventional power plant mixed power generation technology become the focus of field of new energy utilization research.
Solar energy and conventional power plant mixed power generation mode roughly can be divided three classes, and this is by different determined from its integrated conventional power plant type, and the first kind is that Application of Solar Energy arrives in Rankine cycle (steam turbine) system; Equations of The Second Kind be Application of Solar Energy in brayton cycle (gas turbine) system, utilize solar energy to heat the high-pressure air of blower outlet; 3rd class is in Gas-steam Combined Cycle by Application of Solar Energy, the i.e. solar association circulatory system (Integrated Solar Combined Cycle, ISCC), utilize the high temperature waste hot exhaust of gas turbine as heat source, the saturated vapour that solar heat power generation system produces is heated further, become the superheated vapor of High Temperature High Pressure, enter turbine LP rotors generating, improve generating efficiency and efficiency of energy utilization.Solar energy-gas-vapo(u)r associating hybrid power system can overcome the shortcoming of simple solar electrical energy generation instability, improve generating efficiency and generating quality, avoid the infringement that steam turbine frequent start-stop brings equipment, also can reduce fuel consumption, reach the object of energy-saving and emission-reduction.
Current solar energy-gas-vapo(u)r associating hybrid power system many by solar parabolic through power generation system and fuel gas-steam power generation system integrated, its systemic circulation process is: enter steam generator after the conduction oil absorb solar heat in groove type heat collector (general heat-absorbing medium is conduction oil), feedwater road after preheating enters steam generator and conduction oil heat exchange produces micro-superheated vapor, the steam that solar thermal collector produces instead of the steam that in Some gases-Steam Combined Cycle, exhaust heat boiler produces, enter steam turbine, another road enters in the exhaust heat boiler utilizing gas turbine smoke exhaust heat continues heating, different with conventional boiler, combustion process is there is not in exhaust heat boiler, do not burn relevant equipment yet, in essence, it is the heat exchanger of a combustion gas-water/steam, it coordinates with gas turbine, the exhaust of gas turbine enters exhaust heat boiler, water in heating heating surface, water heat absorption becomes the steam of High Temperature High Pressure.The superheated vapor that two-way feedwater generates enters the generating of steam turbine drive electrical generators, completes solar energy-steam-gas cycle.Due to the heat-carrying working medium of trough system---conduction oil needs periodic replacement, and trough reflectors required precision is high, manufacture difficulty large, and thus its operation expense is high; And feedwater and conduction oil need carry out heat exchange through steam generator, add equipment investment cost and operation maintenance difficulty, therefore solar energy-gas-vapo(u)r associating the hybrid power system developing various ways is needed, to break through the development obstacles of the solar combined power generating system caused due to self deficiency of groove type solar system.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, there is provided a kind of by tower-type solar thermal power generating system and the integrated tower type solar-steam-gas cycle power generation system of fuel gas-steam power generation system, this system successfully solve solar energy can producing level different time superheated vapor climate control issues, overcome the shortcoming of simple solar electrical energy generation instability, improve generating efficiency and generating quality, and effectively can reduce fuel consumption, reach the object of energy-saving and emission-reduction.
The present invention solves the problems of the technologies described above adopted technological scheme:
A kind of tower type solar-steam-gas cycle power generation system, comprise solar heat absorber, gas turbine, exhaust heat boiler and steam turbine, described exhaust heat boiler is connected with gas turbine, described exhaust heat boiler, steam turbine, solar heat absorber forms a circulation loop, described solar heat absorber is connected with waste-heat boiler superheater, connecting tube between it enters the passage of waste-heat boiler superheater for saturated vapour that solar heat absorber produces, the smoke outlet of described gas turbine is communicated with the fire door section main flue channel of described exhaust heat boiler, described main flue channel arranges bypass line, described bypass duct is arranged a smoke distributing equipment, when solar energy reaches the value preset, described smoke distributing equipment closes bypass duct, when solar energy does not reach the value preset, described smoke distributing equipment opens bypass duct,
Flue gas flows through high-pressure superheater, high pressure evaporator, low-pressure superheater, low pressure evaporator, high-pressure economizer, low-pressure coal saver and water heater after entering described exhaust heat boiler successively, and the air outlet of described bypass duct is connected between described high-pressure superheater and high pressure evaporator; Condense into water from described steam turbine steam discharge out to flow through described water heater Hou Fen tri-tunnel get back to described steam turbine after described exhaust heat boiler, the first via flows through described low-pressure coal saver, low pressure evaporator and low-pressure superheater successively, second tunnel flows through described high-pressure economizer, high pressure evaporator and high-pressure superheater successively, and the 3rd tunnel flows through described solar heat absorber and high-pressure superheater successively.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, described bypass duct one end is connected to exhaust heat boiler main flue channel, and the other end is connected between waste-heat boiler superheater and vaporizer.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, described smoke distributing equipment can be gas baffle.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, also comprise a control gear, regulate gas baffle aperture by described control gear, and then regulate the flue gas sendout entering main flue channel and bypass duct.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, smoke distributing equipment closes bypass duct, described main flue channel is unique passage that flue gas enters exhaust heat boiler, flue gas flows through each heating surface of exhaust heat boiler successively by main flue channel, and the saturated vapour that tower type solar heat absorber produces is introduced directly into waste-heat boiler superheater, replace the saturated vapour that part of waste heat boiler produces, produce superheated vapor with high-temperature flue gas heat exchange.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, smoke distributing equipment opens bypass duct, described main flue channel and bypass duct thereof are the passage that flue gas enters exhaust heat boiler, main flue channel flue gas flows through each heating surface of exhaust heat boiler successively, and bypass duct flue gas enters after exhaust heat boiler mixes with the main flue channel flue gas after superheater heat exchange and flows to next stage.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, described solar heat absorber is connected with an oxygen-eliminating device, and the feedwater after described oxygen-eliminating device deoxygenation enters described solar heat absorber by a solar heat absorber feed water pump.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler low pressure stage by a low pressure feed water pump.
According to the tower type solar described in present pre-ferred embodiments-steam-gas cycle power generation system, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler high pressure section by a high pressure water pump.
The invention has the beneficial effects as follows:
(1) tower type solar-steam-gas cycle system both can overcome the shortcoming of simple solar electrical energy generation instability, improve generating efficiency and generating quality, eliminate huge energy storage apparatus investment, avoid the infringement that steam turbine frequent start-stop brings equipment, also can reduce amount of consumed gas, reach the object of energy-saving and emission-reduction;
(2) the saturated vapour amount owing to entering superheater when can utilize without solar energy is less than the saturated vapour amount of superheater when solar energy can utilize, if the exhaust gas volumn flowing through hot device in two kinds of situations is identical, overtemperature of superheated vapor when then may cause can utilizing without solar energy, and the gas baffle of bypass flue can by part smoke evacuation branch to superheater after, vaporizer is entered after mixing with the main flue channel flue gas after superheater heat exchange, thus reach the object preventing overtemperature of superheated vapor, solve solar energy can producing level different time superheated vapor climate control issues;
(3) by regulating gas baffle aperture can distribute the flue gas flow of main flue channel and bypass, the free adjusting of superheat steam temperature is realized.
Accompanying drawing explanation
Fig. 1 is a kind of shown in specific embodiment of the invention structural representation of tower type solar-steam-gas cycle system;
Fig. 2 is the workflow diagram of tower type solar a kind of shown in the specific embodiment of the invention-steam-gas cycle system exhaust heat boiler when solar energy can utilize;
Fig. 3 is the workflow diagram of tower type solar a kind of shown in the specific embodiment of the invention-steam-gas cycle system exhaust heat boiler when solar energy can not utilize.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described further.The present embodiment is implemented under premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
See Fig. 1, for tower type solar-steam-gas cycle system schematic, tower type solar provided by the invention-steam-gas cycle system comprises tower type solar heat collecting field 1, solar heat absorber 2, gas turbine 3, generator 4, exhaust heat boiler 5 and steam turbine 6, exhaust heat boiler 5, steam turbine 6, solar heat absorber 2 forms circulation loop, exhaust heat boiler 5 is connected with gas turbine 3, solar heat absorber 2 is connected with waste-heat boiler superheater, connecting tube between it enters the passage of waste-heat boiler superheater for saturated vapour that solar heat absorber 2 produces, the smoke outlet of gas turbine 3 is communicated with the fire door section main flue channel 7 of exhaust heat boiler 5, main flue channel 7 also arranges bypass duct 8, bypass duct 8 is arranged smoke distributing equipment 9, bypass smoke distributing equipment 9 can be gas baffle, when solar energy reaches the value preset, smoke distributing equipment 9 closes bypass duct 8, when solar energy does not reach the value preset, smoke distributing equipment 9 opens bypass duct 8.Bypass duct 8 also comprises a control gear (not shown), regulates gas baffle aperture by control gear, and then regulates the flue gas sendout entering main flue channel 7 and bypass duct 8.
System also comprises cooling water subtense angle 10, condensate pump 11, gland heater 12, oxygen-eliminating device 13, low pressure feed water pump 14, high pressure water pump 15, solar heat absorber feed water pump 16 and valve 17, wherein cooling water subtense angle 10 comprises cooling tower 101, circulating water pump 102 and vapour condenser 103, cooling tower 101, circulating water pump 102 and vapour condenser 103 form primary Ioops, steam turbine 6 is by the vapour condenser 103 in cooling water subtense angle 10, after be connected to exhaust heat boiler 5 through condensate pump 11 and gland heater 12, be connected with oxygen-eliminating device 13 again, feedwater after oxygen-eliminating device 13 deoxygenation enters solar heat absorber 2 by valve 17 and solar heat absorber feed water pump 16, feedwater after oxygen-eliminating device 13 deoxygenation also enters exhaust heat boiler 5 low pressure stage by low pressure feed water pump 14, feedwater after oxygen-eliminating device 13 deoxygenation also enters exhaust heat boiler 5 high pressure section by high pressure water pump 15.Wherein solar heat absorber 2, solar heat absorber feed water pump 16, valve 17 are composed in series tower type solar vapour system, with the parallel running of former fuel gas-steam system.
In the present embodiment, exhaust heat boiler 5 is described for two pressure exhaust heat boiler, native system flow process is: the vapour condenser 103 of steam turbine 6 steam discharge in cooling water subtense angle 10 is condensed into water, condensed water enters after gland heater 12 preheating through condensate pump 11 and enters oxygen-eliminating device 13, after oxygen-eliminating device 13 deoxygenation give moisture three tunnel, the first via enters exhaust heat boiler 5 low pressure stage by low pressure feed water pump 14, second tunnel enters exhaust heat boiler 5 high pressure section by high pressure water pump 15, two-way feedwater carries out heat exchange with the high-temperature smoke discharging of gas turbine 3 in exhaust heat boiler 5, produces saturated vapour; When solar energy reaches the value preset, 3rd tunnel enters solar heat absorber 2 by solar heat absorber feed water pump 16, tower type solar heat collecting field 1 by solar focusing to heat absorber 2 solar energy, heating device of working medium wherein, produce saturated vapour and enter exhaust heat boiler 5 superheat section, the saturated vapour produced with exhaust heat boiler 5 together overheated generation superheated vapor enters steam turbine 6, and drive electrical generators 4 generates electricity.
See Fig. 2 and Fig. 3, for the workflow diagram of exhaust heat boiler 5, the heating surface of exhaust heat boiler 5 is made up of 51-57, and wherein 51 is water heater, and 52 is low-pressure coal saver, 53 is high-pressure economizer, 54 is low pressure evaporator, and 55 is low-pressure superheater, and 56 is high pressure evaporator, 57 is high-pressure superheater, and above-mentioned heating surface is flow through in gas turbine smoke evacuation in a direction indicated by the arrow.One end of bypass duct 8 is connected to exhaust heat boiler main flue channel 7, and the other end is connected between exhaust heat boiler high-pressure superheater 57 and high pressure evaporator 56.When solar energy reaches the value preset, solar combined power generating can be utilized, as shown in Figure 2, bypass gas baffle is placed in closed position, main flue channel 7 enters unique passage of exhaust heat boiler 5 for flue gas, flue gas flows through each heating surface of exhaust heat boiler 5 successively by main flue channel 7, and the saturated vapour that solar heat absorber 2 produces enters waste-heat boiler superheater by the connecting tube between solar heat absorber 2 and waste-heat boiler superheater.First water of condensation enters water heater 51 and carries out preheating, after oxygen-eliminating device 13 deoxygenation, one tunnel enters low-pressure coal saver 52 through low pressure feed water pump 14, and a road enters high-pressure economizer 53 through high pressure water pump 15, and a road enters solar heat absorber 2 through solar heat absorber feed water pump 16.
First via feedwater absorption heat in low-pressure coal saver 52 is warmed up to and enters drum a little less than the saturation temperature under drum pressure, enter after the water of drum mixes with the saturation water in drum, enter low pressure evaporator 54 along the falling tube below drum to absorb heat and start to steam, part water is normally only had to become vapour, so in low pressure evaporator 54 flowing be steam water interface, steam water interface leaves low pressure evaporator 54 and enters top drum and be separated, water fall water space in drum enter falling tube continue heat absorption steam, the low-pressure saturated steam produced enters low-pressure superheater 55 from drum top, absorbing heat makes low-pressure saturated steam become low-pressure superheated steam,
Enter after drum mixes with the saturation water in drum after second tunnel feedwater absorbs heat intensification high-pressure economizer 53 in, enter high pressure evaporator 56 along falling tube to absorb heat and start to steam, the high-pressure saturated steam of generation enters high-pressure superheater 57 from drum top and produces high pressure superheated steam;
3rd tunnel feedwater absorbs solar radiation energy in solar heat absorber 2, and produce saturated vapour and enter high-pressure superheater 57, this saturated vapour and exhaust heat boiler 5 evaporator section produce saturated vapour equitemperature, pressure.
See Fig. 3, evening or cloudy day can utilize without solar energy, when solar energy does not reach the value preset, throttle down 17, bypass gas baffle is placed in enable possition, now, main flue channel 7 and bypass duct 8 thereof are the passage that flue gas enters exhaust heat boiler 5, flue gas is divided into two-way thus, one road flue gas flows through each heating surface of exhaust heat boiler by main flue channel 7, and another road flue gas is then entered after exhaust heat boiler 5 mixes with the main flue channel flue gas after high-pressure superheater 57 heat exchange by bypass duct 8 and flows to high pressure evaporator 56.Because the saturated vapour amount entering high-pressure superheater 57 when can utilize without solar energy is less than the saturated vapour amount entering high-pressure superheater 57 when solar energy can utilize, if the exhaust gas volumn flowing through high-pressure superheater 57 in two kinds of situations is identical, overtemperature of superheated vapor when solar energy then may be caused not reach setting value, therefore after partial fume can be branched to high-pressure superheater 57 by the design of bypass duct 8, enter high-pressure evaporation 56 again after mixing with the flue gas after high-pressure superheater 57 heat exchange, thus reach the object preventing overtemperature of superheated vapor.
6F level GTCC power plant and tower type solar system is now selected to carry out combined cycle generation, under the condition not changing existing exhaust heat boiler basic structure and Gas Turbine Output, steam turbine 6 rated power 37.68MW, gas turbine 3 rated power 73.64MW, exhaust heat boiler 5 high pressure steam flow 111t/h, solar energy-gas-vapo(u)r cogeneration number of days was by 200 days, 8 hours every days calculated, when the saturated vapour amount that solar heat absorber 2 is introduced accounts for 50% of the saturated vapour amount that former gas-steam combined cycle system produces, than former gas-steam combined cycle system, year increases generated energy 2206.4 ten thousand kilowatt hour, be equivalent to year about feast-brand mark coal 7700t, reducing emission of carbon dioxide 22890.79t, reducing emission of sulfur dioxide 246.41t, reduce discharging oxynitrides 57.76t.As can be seen here, when dropping into fuel and being certain, can significantly increase power station generated energy, reach the object of energy-saving and emission-reduction, meet low-carbon environment-friendly requirement.
Be only a specific embodiment of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection domain of the application.
Claims (9)
1. tower type solar-steam-gas cycle power generation system, it is characterized in that, comprise solar heat absorber, gas turbine, exhaust heat boiler and steam turbine, described exhaust heat boiler is connected with gas turbine, described exhaust heat boiler, steam turbine, solar heat absorber forms a circulation loop, described solar heat absorber is connected with waste-heat boiler superheater, connecting tube between it enters the passage of waste-heat boiler superheater for saturated vapour that solar heat absorber produces, the smoke outlet of described gas turbine is communicated with the fire door section main flue channel of described exhaust heat boiler, described main flue channel arranges bypass line, described bypass duct is arranged a smoke distributing equipment, when solar energy reaches the value preset, described smoke distributing equipment closes bypass duct, when solar energy does not reach the value preset, described smoke distributing equipment opens bypass duct,
Flue gas flows through high-pressure superheater, high pressure evaporator, low-pressure superheater, low pressure evaporator, high-pressure economizer, low-pressure coal saver and water heater after entering described exhaust heat boiler successively, and the air outlet of described bypass duct is connected between described high-pressure superheater and high pressure evaporator; Condense into water from described steam turbine steam discharge out to flow through described water heater Hou Fen tri-tunnel get back to described steam turbine after described exhaust heat boiler, the first via flows through described low-pressure coal saver, low pressure evaporator and low-pressure superheater successively, second tunnel flows through described high-pressure economizer, high pressure evaporator and high-pressure superheater successively, and the 3rd tunnel flows through described solar heat absorber and high-pressure superheater successively.
2. according to the tower type solar shown in claim 1-steam-gas cycle power generation system, it is characterized in that, described bypass duct one end is connected to exhaust heat boiler main flue channel, and the other end is connected between waste-heat boiler superheater and vaporizer.
3. according to the tower type solar shown in claim 1-steam-gas cycle power generation system, it is characterized in that, described smoke distributing equipment can be gas baffle.
4. according to the tower type solar shown in claim 3-steam-gas cycle power generation system, it is characterized in that, also comprise a control gear, regulate gas baffle aperture by described control gear, and then regulate the flue gas sendout entering main flue channel and bypass duct.
5. according to the tower type solar shown in claim 1-steam-gas cycle power generation system, it is characterized in that, smoke distributing equipment closes bypass duct, described main flue channel is unique passage that flue gas enters exhaust heat boiler, flue gas flows through each heating surface of exhaust heat boiler successively by main flue channel, and the saturated vapour that solar heat absorber produces enters waste-heat boiler superheater by the connecting tube between solar heat absorber and waste-heat boiler superheater.
6. according to the tower type solar shown in claim 1-steam-gas cycle power generation system, it is characterized in that, smoke distributing equipment opens bypass duct, described main flue channel and bypass duct thereof are the passage that flue gas enters exhaust heat boiler, main flue channel flue gas flows through each heating surface of exhaust heat boiler successively, and bypass duct flue gas enters after exhaust heat boiler mixes with the main flue channel flue gas after superheater heat exchange and enters next stage.
7. according to the tower type solar shown in claim 1-steam-gas cycle power generation system, it is characterized in that, described solar heat absorber is connected with an oxygen-eliminating device, and the feedwater after described oxygen-eliminating device deoxygenation enters described solar heat absorber by a solar heat absorber feed water pump.
8. according to the tower type solar shown in claim 7-steam-gas cycle power generation system, it is characterized in that, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler low pressure stage by a low pressure feed water pump.
9. according to the tower type solar shown in claim 7-steam-gas cycle power generation system, it is characterized in that, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler high pressure section by a high pressure water pump.
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| CN201210446129.6A CN102966495B (en) | 2012-11-09 | 2012-11-09 | Tower type solar energy-steam combustion gas combined cycle power generation system |
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| CN103471070A (en) * | 2013-08-30 | 2013-12-25 | 江苏太湖锅炉股份有限公司 | Horizontal dual-temperature and dual-pressure waste heat boiler structure |
| CN104819020B (en) * | 2015-05-13 | 2016-04-20 | 华北电力大学 | A kind of tower type solar assistant coal hybrid power system |
| CN108953083B (en) * | 2018-06-26 | 2019-12-17 | 华北电力大学 | Distributed power generation system and method based on trough type solar gas combined cycle |
| CN112983646A (en) * | 2019-12-17 | 2021-06-18 | 中国船舶重工集团公司第七一一研究所 | Electricity-oil-vapour trigeminy distributed energy system based on natural gas |
| CN112879161B (en) * | 2021-01-29 | 2022-08-09 | 华北电力大学 | Temperature control heating type solar and gas combined cycle power generation system and method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053049A (en) * | 1958-04-28 | 1962-09-11 | Combustion Eng | Power plant installation |
| DE3107659A1 (en) * | 1981-02-28 | 1982-09-23 | Didier Engineering Gmbh, 4300 Essen | Method of utilising the sensible coke heat in dry coke quenching |
| DE4126037A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | GAS AND STEAM TURBINE POWER PLANT WITH A SOLAR HEATED STEAM GENERATOR |
| DE4126038A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas and steam turbine plant with solar heated steam generator - has additional combustion chamber in exhaust gas line from gas turbine |
| CN101539123A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院工程热物理研究所 | Groove-tower combined two-stage heat-storage solar-heat power generation system |
| CN102439304A (en) * | 2008-10-11 | 2012-05-02 | 德累斯顿科技大学 | Solar combined cycle hybrid power plant |
| CN202914258U (en) * | 2012-11-09 | 2013-05-01 | 青海中控太阳能发电有限公司 | Tower-type solar energy auxiliary thermal power generating system integrating gas and steam |
-
2012
- 2012-11-09 CN CN201210446129.6A patent/CN102966495B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053049A (en) * | 1958-04-28 | 1962-09-11 | Combustion Eng | Power plant installation |
| DE3107659A1 (en) * | 1981-02-28 | 1982-09-23 | Didier Engineering Gmbh, 4300 Essen | Method of utilising the sensible coke heat in dry coke quenching |
| DE4126037A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | GAS AND STEAM TURBINE POWER PLANT WITH A SOLAR HEATED STEAM GENERATOR |
| DE4126038A1 (en) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas and steam turbine plant with solar heated steam generator - has additional combustion chamber in exhaust gas line from gas turbine |
| CN101539123A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院工程热物理研究所 | Groove-tower combined two-stage heat-storage solar-heat power generation system |
| CN102439304A (en) * | 2008-10-11 | 2012-05-02 | 德累斯顿科技大学 | Solar combined cycle hybrid power plant |
| CN202914258U (en) * | 2012-11-09 | 2013-05-01 | 青海中控太阳能发电有限公司 | Tower-type solar energy auxiliary thermal power generating system integrating gas and steam |
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