A kind of device of the solar thermal utilization that combines with the gas-steam combined circulation
Technical field
The utility model belongs to the solar energy utilization technique field, is specifically related to a kind of device of the solar thermal utilization that combines with the gas-steam combined circulation.
Background technology
Be summarized as follows about solar energy thermal-power-generating and gas-steam combined circulating generation in the prior art.
1, groove type line-focusing solar heat generating system
The groove type line-focusing solar heat generating system is to utilize the groove type line-focusing speculum to reach the solar energy thermal-power-generating form of optically focused requirement, the groove type line-focusing transmitting mirror is many carries out the one dimension tracking to the sun more, its optically focused is than between 40~80, and the temperature of thermal-arrest working medium generally is lower than 400 ℃.System usually by slot light collection heat collector, regenerative apparatus, TRT or/and supplementary energy device (as boiler) etc. form.The groove type line-focusing solar heat generating system generally adopts conduction oil as thermal-arrest working medium at present, the low temperature conduction oil is fed to solar energy heat collection pipe through oil pump, be heated to about 390 ℃, become high temperature heat conductive oil, high temperature heat conductive oil by devices such as steam reheater, superheater, evaporimeter and preheaters, is delivered to the solar energy of collecting in the vapor recycle successively, produces about 370 ℃ superheated steam, enter in the steam turbine and do work, the output electric energy.The present major obstacle of groove type line-focusing solar heat generating system is that thermal-arrest working medium temperature is not high, and the thermal efficiency of power sub-system is on the low side; Subject matter is after system's heat-collecting temperature is higher than 400 ℃, and the vacuum of solar thermal collector is difficult to guarantee, the life-span reduces rapidly, and collecting efficiency also sharply descends.For example, when beam radia intensity be 800W/m
2, the collecting efficiency when temperature is 500 ℃ is 0.5, reduces by 28.6% approximately and temperature is the collecting efficiency of 250 ℃ of 0.7,500 ℃ of ratios when being 250 ℃.The low restriction that reaches conditions such as heat-collecting temperature is low of geometric concentrating ratio because of the groove type line-focusing speculum, make that the power sub-system thermal efficiency in the groove type line-focusing solar heat generating system is on the low side, usually about 35%, therefore, the efficiency of utilization of groove type line-focusing solar is lower.
2, tower-type solar thermal power generating system
Solar thermal central receiver power system is also referred to as centralized solar heat power generation system, and between 200~700, system's maximum operating temperature can reach 1500 ℃ to system's optically focused ratio usually.Tower-type solar thermal power generating system is made up of parts such as heliostat, heat dump, regenerative apparatus, steam generation device and heat-actuated devices usually.For capturing solar radiation to greatest extent, heliostat adopts the double-axis tracking device usually.Solar radiation through the heliostat reflection gathers on the heat dump of cat head, the heat transmission working medium in the heating heat dump; The superheated steam that steam generation device produced is realized the hot merit conversion after entering power sub-system, finishes electric energy output.Tower-type solar thermal power generating system enjoys common people to pay close attention to after the eighties in 20th century, at present, has in the world wide during many demonstration power stations are moving or building.Compare with parabolic slot type solar heat power generation system, the heat-collecting temperature height of tower-type solar thermal power generating system is easily produced high parameter steam, so the corresponding raising of the efficient of heat-actuated device.At present, the major obstacle of tower-type solar thermal power generating system is, when the light and heat collection power of heliostat field increases, be that the collecting efficiency of heliostat field decreased, for example after single tower solar heat power generation system maximized, when the optically focused power of heliostat field is 50MW, its average annual efficient is 0.6, and when optically focused power was 500MW, an efficient was 0.4, and increase along with optically focused power, the trend that field efficient reduces is accelerated, and therefore, the power system capacity difficulty that increases tower type solar energy thermal power generation is bigger.
3, combined cycle generation system of fuel gas-steam
The gas-steam combined EGR is a kind of comprehensive utilization of energy technology that later 1940s begins to grow up, the gas turbine cycle (Brayton) that it is characterized in that having higher average endothermic temperature combines with the steam turbine circulation (Rankine) that has than the harmonic(-)mean exothermic temperature, make the used heat of gas turbine become the heating source that steam turbine circulates, reach and maximize favourable factors and minimize unfavourable ones, the purpose that remedies mutually makes the heat energy utilization level of whole combined cycle all be significantly improved than gas turbine cycle or steam turbine circulation.At present, the entrance flue gas temperature of gas turbine has reached 1430 ℃, and the generating efficiency of large-scale gas-steam combined circulation is about 55%.Be in the consideration to the factors such as heat resisting temperature of material, the space that the generating efficiency of independent gas-steam combined circulation promotes is little.In the gas turbine of combined cycle, large-scale gas turbine particularly, the power consumption of air compressor is bigger, can account for about 60% of power that combustion gas turbine produces approximately.If adopt the intercooled air compressor of multi-stage compression,, also reduced the air themperature that enters the combustion chamber simultaneously though reduced the power consumption of air compressor.If keep the entrance flue gas temperature of identical combustion gas turbine, need to consume more fuel.Take all factors into consideration two kinds of above-mentioned factors, the efficiency change of system is little.
From top analysis as can be seen, the groove type line-focusing mode can produce the middle temperature energy about 400 ℃ at present, if this part energy directly is used for generating electricity, average annual generating efficiency about 10% remains at low levels; Tower-type solar thermal power generating system, though its heat-collecting temperature increases, power plant's capacity is unsuitable excessive; Combined cycle generation system of fuel gas-steam is subjected to the heatproof of combustion gas turbine material, the restriction of aspect such as wear-resisting and corrosion-resistant, and restriction has been received in the lifting of combined cycle generation efficient.
The utility model content
The purpose of this utility model is, proposes a kind of device of the solar thermal utilization that combines with the gas-steam combined circulation.The energy that this system adopts the solar energy light gathering and heat collecting subsystem to produce comes preheating to enter the air and the fuel of combustion chamber, continue as refrigeration subsystem energy is provided through carrying out heat-carrying agent after the heat exchange with air and fuel, the cold that provides of the charge air cooler of the intercooled air compressor of multi-stage compression is provided refrigeration subsystem.
For achieving the above object, the utility model provides following technical scheme.A kind of solar energy heat utilization device that combines with the gas-steam combined circulation, this system comprises solar energy light gathering and heat collecting subsystem, refrigeration subsystem, heat-exchanger rig and gas-steam combined circulation power subsystem; Heat-exchanger rig comprises high-temperature heat exchanger and low temperature heat exchanger; The solar energy light gathering and heat collecting subsystem is converted to heat energy with solar radiation energy, by heat-carrying agent through air and fuel that the heat-exchanger rig preheated fuel gas-the Steam Combined Cycle power sub-system is used, carry out heat-carrying agent after the heat exchange with air and fuel and continue as refrigeration subsystem again behind heat-exchanger rig energy is provided, the cold of absorption refrigeration subsystem output is used for reducing and enters next stage Air Compressor temperature.The cold that provides of the charge air cooler of the intercooled air compressor of multi-stage compression is provided refrigeration subsystem.
In the above-mentioned scheme, described gas-steam combined circulation power subsystem is a TRT, be used for heat energy is converted into electric energy, air and fuel combustion after the heat energy that is provided by the solar energy light gathering and heat collecting subsystem heats are provided, the energy that burning discharges is finally exported with the form of electric energy; Comprise the intercooled air compressor of multi-stage compression, charge air cooler, gas-turbine combustion chamber, combustion gas turbine, gas electricity generator, waste heat boiler, steam turbine, steam-driven generator, condenser and feed pump.
In the aforesaid scheme, the intercooled air compressor of described multi-stage compression is to be no less than 2 grades of intercooled air compressors of compression, is used to improve the pressure of the air that enters gas-turbine combustion chamber.
In the aforesaid scheme, described waste heat boiler is to adopt single pressure, two pressure or multiple pressure form, for steam turbine provides steam.
In the aforesaid scheme, described solar energy light gathering and heat collecting subsystem comprises condenser field and heat dump; The condenser field receives also converges solar radiation energy, and the solar radiation energy that receives is passed to heat-carrying agent in the heat dump, is the heat energy of heat-carrying agent with conversion of solar energy.
In the aforesaid scheme, described solar energy light gathering and heat collecting subsystem also comprises the heat-carrying agent pump, and the heat-carrying agent pump is used to improve the pressure of heat-carrying agent, overcomes the drag losses in the transmission course.
In the aforesaid scheme, the solar radiation energy that the solar energy light gathering and heat collecting subsystem is collected at first is used to improve the air that enters gas-turbine combustion chamber and the temperature of fuel; Through with air and fuel heat exchange after heat-carrying agent, continue as refrigeration subsystem energy be provided.
In the aforesaid scheme, described raising enters the temperature of the air and the fuel of gas-turbine combustion chamber, be the final stage exit at the intercooled air compressor of multi-stage compression, heat that the solar energy light gathering and heat collecting subsystem is provided by high-temperature heat exchanger and air and fuel carry out heat exchange.
In the aforesaid scheme, the heat-carrying agent after described process and air and the fuel heat exchange continues as refrigeration subsystem energy is provided; Be in low temperature heat exchanger, heat-carrying agent and refrigeration subsystem to be carried out heat exchange, for refrigeration subsystem provides energy.
In the aforesaid scheme, also comprise an accumulation of heat subsystem, the accumulation of heat subsystem is used to store solar energy light gathering and heat collecting subsystem energy more than needed, and continues to provide energy to heat-exchanger rig when the solar radiant energy quantity not sufficient.
In the aforesaid scheme, described refrigeration subsystem is used to the charge air cooler of the intercooled air compressor of multi-stage compression that cold is provided, to reduce the air themperature at air compressor inlets at different levels place.
The utlity model has following beneficial effect:
1, the energy heat exchange in the high and low temperature heat exchanger respectively that produces of the utility model solar energy light gathering and heat collecting subsystem is used to heat the air that enters the combustion chamber, fuel and for refrigeration subsystem provides energy, has embodied the cascade utilization principle of energy.
2, the energy of the utility model solar energy light gathering and heat collecting subsystem generation adds at the entry of combustion chamber place, through the synergy of gas turbine and Steam Power Equipment, has improved the heat utilization ratio that the solar energy light gathering and heat collecting subsystem produces.
3, the energy preheating that produces of the utility model solar energy light gathering and heat collecting subsystem enter the air and the fuel of combustion chamber, thereby saved the Fuel Consumption of gas turbine, improved the generating efficiency of combined cycle.
4, the utility model utilizes the energy-producing high temperature section of solar energy light gathering and heat collecting subsystem to heat air and the fuel that enters the combustion chamber, and simultaneously refrigeration subsystem utilizes energy that the energy-producing low-temperature zone of solar energy light gathering and heat collecting subsystem provided to provide cold for the charge air cooler of air compressor.Utilize the utility model can solve power consumption and the two problem that can not take into account of outlet air temperature of air compressor.
5, the heat-carrying agent in the utility model solar energy light gathering and heat collecting subsystem can be selected conduction oil, high-temperature molten salt or high-temperature phase-change medium, makes system form more reasonable.
In sum, solar thermal utilization mode of the present utility model, not only cascade utilization the heat energy that provides of solar energy light gathering and heat collecting subsystem, solved the low problem of solar energy utilization ratio; Solved the low problem of the intercooled air compressor outlet air temperature of multi-stage compression simultaneously, on the basis of the air themperature that guarantees to enter the combustion chamber, reduced the power consumption of air compressor, thereby improved the generating efficiency of gas-steam combined circulation, reached energy saving purposes.
Description of drawings
Fig. 1 is the solar energy heat utilization device principle schematic that combines with the gas-steam combined circulation that the utility model proposed;
Fig. 2 is the schematic flow sheet according to the solar energy heat utilization device that combines with the gas-steam combined circulation of second embodiment of the utility model;
Fig. 3 is the schematic flow sheet according to the solar energy heat utilization device that combines with the gas-steam combined circulation of the 3rd embodiment of the utility model.
Be labeled as among the figure: 1-air first order compressor, 2-charge air cooler, 3-air high stage compressor, the 4-high-temperature heat exchanger, 5-solar energy light gathering and heat collecting subsystem (solar energy mirror field solar energy light gathering and heat collecting subsystem), 6-heat-carrying agent pump, the 7-gas-turbine combustion chamber, 8-fuel gas generation device, 9-waste heat boiler, the 10-steam electric power generator, 11-absorption type refrigerating unit, 12-cryogenic heat exchanger, 13-groove type line-focusing Jing Chang, the 14-sun, 15-storage heater (accumulation of heat subsystem), 16-A valve, the 17-B valve, the 18-C valve, 19-D valve, 20-cooling tower, the 21-A water pump, the 22-B water pump, 23-combustion gas turbine, 24-gas electricity generator, the 25-steam turbine, the 26-steam-driven generator, 27-condenser, the tower heliostat of 28-field.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, and, the utility model is further described with reference to accompanying drawing below in conjunction with specific embodiment.
Embodiment 1 of the present utility model.The solar energy heat utilization device that combines with the gas-steam combined circulation that the utility model proposed comprises solar energy light gathering and heat collecting subsystem, refrigeration subsystem, heat-exchanger rig and gas-steam combined circulation power subsystem; Heat-exchanger rig comprises high-temperature heat exchanger and low temperature heat exchanger.The solar energy light gathering and heat collecting subsystem is used for receiving and converging solar radiation energy, and the solar radiation energy that receives is converted into the heat energy of heat-carrying agent; The accumulation of heat subsystem not only is used to store the energy more than needed of solar energy light gathering and heat collecting subsystem output, and continues to provide heat energy to heat-exchanger rig when solar radiation is not enough; The energy of solar energy light gathering and heat collecting subsystem output is the final stage outlet air of the air compressor of the multistage cooling of heating in high-temperature heat-exchanging at first, and the heat-carrying agent that carries out after the heat exchange with the final stage outlet air provides energy for refrigeration subsystem in cryogenic heat exchanger; Refrigeration subsystem provides cold for the charge air cooler of the intercooled air compressor of multi-stage compression; Air and fuel enter the combustion chamber after by solar energy heating jointly, and the high-temperature flue gas after the burning is exported electric energy after the utilization of gas and steam turbine combined cycle power sub-system.
The solar energy light gathering and heat collecting subsystem mainly comprises condenser field, heat dump and heat-carrying agent pump.The condenser field receives also converges solar radiation energy, and the solar radiation energy that receives is passed to heat-carrying agent in the heat dump, is the heat energy of heat-carrying agent with conversion of solar energy.The heat-carrying agent pump is used to improve the pressure of heat-carrying agent, to overcome the drag losses of pipeline and heat transmission equipment.The accumulation of heat subsystem is used to store the energy of the high temperature heat-carrying agent more than needed of solar energy light gathering and heat collecting subsystem output, and when solar energy was not enough, the accumulation of heat subsystem can continue to provide energy for heat-exchanger rig.The solar energy that the solar energy light gathering and heat collecting subsystem is collected at first is used to improve the air that enters gas-turbine combustion chamber and the temperature of fuel; Through with air and fuel heat exchange after heat-carrying agent, continue as the refrigeration subsystem body energy be provided.Refrigeration subsystem provides cold for the charge air cooler of the intercooled air compressor of multi-stage compression, to reduce the air themperature at place, suction port of compressor at different levels.Gas-steam combined circulation power subsystem is a TRT, be used for heat energy is converted into electric energy, mainly comprise capital equipments such as the intercooled air compressor of multi-stage compression, charge air cooler, combustion chamber, combustion gas turbine, generator, waste heat boiler, steam turbine, condenser and feed pump.Gas turbine adopts the intercooled air compressor of multi-stage compression (more than or equal to 2 grades), is used to improve the pressure of the air that enters the combustion chamber.Waste heat boiler can adopt single pressure, two pressure or multiple pressure form according to the delivery temperature of gas turbine, for steam turbine provides steam.The final stage outlet air of energy that the solar energy light gathering and heat collecting subsystem is collected in high-temperature heat exchanger and the intercooled air compressor of multi-stage compression carries out heat exchange.Heat-carrying agent and refrigeration subsystem are carried out heat exchange in low temperature heat exchanger, for refrigeration subsystem provides energy.
As shown in Figure 1, the solar energy heat utilization device that combines with the gas-steam combined circulation that the utility model proposed specifically comprises air first order compressor 1, charge air cooler 2, air final stage compressor 3, high-temperature heat exchanger 4, solar energy mirror field 5 (being the solar energy light gathering and heat collecting subsystem), heat-carrying agent pump 6, gas-turbine combustion chamber 7, fuel gas generation device 8, waste heat boiler 9, steam electric power generator 10, absorption type refrigerating unit 11 (being refrigeration subsystem), cryogenic heat exchanger 12 and accumulation of heat subsystem (being storage heater).Wherein, air enters intercooler 2 after 1 compression of first order compressor, fuel is heated in high-temperature heat-exchanging 4 together with the air of final stage air compressor 3 outlets, heated air and fuel enter gas-turbine combustion chamber 7 jointly, high-temperature flue gas after the burning enters fuel gas generation device 8, exports a part of electric energy.The high-temperature exhaust air of gas turbine enters waste heat boiler 9, produces the steam under the relevant pressure, and steam enters steam electric power generator 10, the output electric energy.For absorption type refrigerating unit 11 provides energy, absorption type refrigerating unit provides cold for charge air cooler 2 to the heat-carrying agent of the solar energy mirror field 5 after high-temperature heat-exchanging 4 heat exchange in cryogenic heat exchanger 12.The heat-carrying agent that flows out from cryogenic heat exchanger 12 is sent the solar energy mirror field back to through heat-carrying agent pump 6, finishes the whole circulation process.
Embodiment 2 of the present utility model.Fig. 2 is the schematic flow sheet of the solar energy heat utilization device that combines with the gas-steam combined circulation of second embodiment of the utility model.In Fig. 2, solar radiation is 13 gatherings through groove type line-focusing mirror field, transfer out heat energy through heat-carrying agent.Air enters into charge air cooler 2 after 1 compression of first order air compressor, the air and the fuel that come out from high stage compressor 3 are heated high-temperature heat-exchanging 4, heated air and fuel enter into combustion chamber 7 jointly, high-temperature flue gas after the burning enters into combustion gas turbine 23, output electric energy behind gas electricity generator 24; Combustion gas turbine 23 and gas electricity generator 24 constitute fuel gas generation device 8.Combustion turbine exhaustion enters waste heat boiler 9, and after heat exchange, the steam that waste heat boiler 9 produces enters into steam turbine 25, output electric energy behind steam-driven generator 26; Steam turbine 25 and steam-driven generator constitute steam electric power generator 10; Steam condenses in condenser 21, and condensate water enters the heat that waste heat boiler 9 absorbs combustion turbine exhaustion behind B water pump 22.Heat-carrying agent behind high-temperature heat-exchanging 4 enters into cryogenic heat exchanger 12, and cryogenic heat exchanger 12 provides energy for absorption type refrigerating unit 11, and refrigerating plant 11 provides cold for charge air cooler 2.When solar radiation energy is abundant, remove a part of air and fuel that high-temperature heat-exchanging 4 heating enter combustion chamber 7 that enters from the heat-carrying agent of field, groove type line-focusing border output, the heat-carrying agent of part more than needed enters into storage heater 15, and A valve 16, B valve 17, C valve 18 and D valve 19 are opened at this moment; When not having solar radiation, B valve 17 and C valve 18 are closed, and storage heater output heat-carrying agent is in the high and low temperature heat exchanger, and the system of continuing as provides energy.Cooling tower 20 and A water pump 21 provide cooling water for absorption type refrigerating unit 11.
Embodiment 3 of the present utility model.Fig. 3 is the schematic flow sheet according to the solar energy heat utilization device that combines with the gas-steam combined circulation of the 3rd embodiment of the utility model.In Fig. 3, the radiation of the sun 14 is 28 gatherings through tower heliostat field, transfer out heat energy through heat-carrying agent.Air enters into charge air cooler 2 after 1 compression of first order air compressor, the air and the fuel that come out from high stage compressor 3 are heated high-temperature heat-exchanging 4, heated air and fuel enter into combustion chamber 7 jointly, high-temperature flue gas after the burning enters into combustion gas turbine 23, output electric energy behind gas electricity generator 24.Combustion turbine exhaustion enters waste heat boiler 9, and after heat exchange, the steam that waste heat boiler 9 produces enters into steam turbine 25, output electric energy behind steam-driven generator 26; Steam condenses in condenser 21, and condensate water enters the heat that waste heat boiler 9 absorbs combustion turbine exhaustion behind B water pump 22.Heat-carrying agent behind high-temperature heat-exchanging 4 enters into cryogenic heat exchanger 12, and cryogenic heat exchanger 12 provides energy for absorption type refrigerating unit 11, and refrigerating plant 11 provides cold for charge air cooler 2.When solar radiation energy is abundant, remove a part of air and fuel that high-temperature heat-exchanging 4 heating enter combustion chamber 7 that enters from the heat-carrying agent of field, groove type line-focusing border output, the heat-carrying agent of part more than needed enters into storage heater 15, and A valve 16, B valve 17, C valve 18 and D valve 19 are opened at this moment; When not having solar radiation, B valve 17 and C valve 18 are closed, and storage heater output heat-carrying agent is in the high and low temperature heat exchanger, and the system of continuing as provides energy.Cooling tower 20 and A water pump 21 provide cooling water for absorption type refrigerating unit 11.
The utility model is also tested the experimental data of above-mentioned second embodiment and the 3rd embodiment respectively.For second embodiment, the major parameter in the system is as shown in table 1, and its thermal performance is as shown in table 3.The heat-carrying agent of two embodiment can be selected according to actual conditions.For the 3rd embodiment, the major parameter in the system is as shown in table 2, and its thermal performance is as shown in table 3.
Device that the utility model proposes is suitable for the system integration of solar energy and gas-steam combined circulation, and wherein the heat-carrying agent in the solar energy light gathering and heat collecting subsystem can adopt conduction oil, high-temperature molten salt or high-temperature phase-change medium etc.The solar energy heat utilization device that combines with the gas-steam combined circulation that the utility model proposes, for improving the energy-producing utilization rate in solar energy mirror place, solve power consumption and the two problem that can not take into account of outlet air temperature of air compressor, the Fuel Consumption aspect that reduces the gas-steam combined circulation has unrivaled superiority.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above is only specifically given an example for of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Table 1 embodiment 2 system flow parameter lists
The logistics sequence number |
Temperature (℃) |
Pressure (bar) |
The logistics sequence number |
Temperature (℃) |
Pressure (bar) |
S1 |
390 |
3.00 |
S13 |
32 |
1.60 |
S2 |
272 |
2.30 |
S14 |
180 |
2.00 |
S3 |
185 |
1.50 |
S15 |
165 |
1.50 |
S4 |
150 |
5.00 |
S16 |
7 |
2.00 |
S5 |
25 |
1.00 |
S17 |
12 |
1.50 |
S6 |
370 |
20.00 |
S18 |
1327 |
20.00 |
S7 |
370 |
20.00 |
S19 |
560 |
1.30 |
S8 |
188 |
20.70 |
S20 |
120 |
1.05 |
S9 |
25 |
4.31 |
S21 |
510 |
83.80 |
S10 |
210 |
4.81 |
S22 |
33 |
0.05 |
S11 |
25 |
1.00 |
S23 |
105 |
85.00 |
S12 |
37 |
2.50 |
|
|
|
Table 2 embodiment 3 system flow parameter lists
The logistics sequence number |
Temperature (℃) |
Pressure (bar) |
The logistics sequence number |
Temperature (℃) |
Pressure (bar) |
S1 |
550 |
3.00 |
S13 |
32 |
1.60 |
S2 |
298 |
2.30 |
S14 |
180 |
2.00 |
S3 |
185 |
1.50 |
S15 |
165 |
1.50 |
S4 |
150 |
5.00 |
S16 |
7 |
2.00 |
S5 |
25 |
1.00 |
S17 |
12 |
1.50 |
S6 |
500 |
20.00 |
S18 |
1327 |
20.00 |
S7 |
500 |
20.00 |
S19 |
560 |
1.30 |
S8 |
188 |
20.70 |
S20 |
120 |
1.05 |
S9 |
25 |
4.31 |
S21 |
510 |
83.80 |
S10 |
210 |
4.81 |
S22 |
33 |
0.0 |
S11 |
25 |
1.00 |
S23 |
105 |
85.00 |
S12 |
37 |
2.50 |
|
|
|
Table 3 system thermal performance table
Project |
The simple association circulation that does not have solar energy to utilize |
Embodiment 2 |
Embodiment 3 |
DNI(W/m
2)
|
0 |
800 |
800 |
Slot type mirror field optics efficient (%) |
0 |
80 |
0 |
Tower mirror field optics efficient (%) |
0 |
0 |
75 |
Heat dump efficient (%) |
0 |
90 |
80 |
Slot type mirror scene is amassed (ten thousand m
2)
|
0 |
17.7 |
0 |
Tower mirror scene is amassed (ten thousand m
2)
|
0 |
0 |
29.8 |
Combustion turbine power (MW) |
233 |
233 |
233 |
Gas turbine power generation efficient (%) |
37.3 |
37.3 |
37.3 |
The gas turbine inlet air temperature (℃) |
1327 |
1327 |
1327 |
The combustion turbine exhaustion temperature (℃) |
560 |
560 |
560 |
The waste heat boiler form |
The single pressure |
The single pressure |
The single pressure |
Steam turbine power (MW) |
115 |
115 |
115 |
Steam turbine generating efficiency (%) |
38.9 |
38.9 |
38.9 |
Steam turbine exhaust steam pressure (bar) |
0.005 |
0.005 |
0.005 |
The total generating efficiency of system (%) |
57 |
61.5 |
69.5 |