CN217462416U - Power generation system - Google Patents
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- CN217462416U CN217462416U CN202221311321.XU CN202221311321U CN217462416U CN 217462416 U CN217462416 U CN 217462416U CN 202221311321 U CN202221311321 U CN 202221311321U CN 217462416 U CN217462416 U CN 217462416U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model relates to a clean energy utilizes technical field, concretely relates to power generation system, power generation system include first power generation unit, second power generation unit and energy storage unit, and first power generation unit is suitable for and utilizes the wind energy to produce the electric energy, and the energy storage unit links to each other with first power generation unit, and the energy storage unit is used for storing the electric energy that first power generation unit produced, and utilizes the electric energy to produce heat energy, and second power generation unit links to each other with the energy storage unit, and second power generation unit utilizes heat energy to produce the electric energy. The utility model discloses a power generation system can improve energy utilization and rate, avoids output extravagant.
Description
Technical Field
The utility model relates to a clean energy utilizes technical field, concretely relates to power generation system.
Background
An independent solar or wind heating system is difficult to utilize solar and wind energy resources all weather due to the constraint of time and regions. The solar energy and the wind energy have strong complementarity in time and region, the wind is small when the illumination is strong in daytime, the wind is large when the illumination is weak at night, the wind energy is enhanced due to large surface temperature difference change, the characteristics of small illumination strong wind in summer and large illumination weak wind in winter also exist, and the time complementarity of the solar energy and the wind energy is the optimal matching of the wind-solar complementary heating system in resource utilization. The system is energy-saving, environment-friendly, renewable, inexhaustible and inexhaustible, and is bound to become a mainstream for replacing other heating systems in the future.
Disclosure of Invention
The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:
the related art provides a household combined cooling heating and power system for realizing the combination of natural gas and solar energy, but the combined system in the related art has the problems of excessive capacity and energy waste.
The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent. Therefore, the embodiment of the utility model provides a power generation system improves energy utilization and rates, avoids output extravagant.
The utility model discloses an embodiment power generation system includes: a first power generation unit adapted to generate electrical energy from wind energy; the energy storage unit is connected with the first power generation unit and is used for storing electric energy generated by the first power generation unit and generating heat energy by using the electric energy; and the second power generation unit is connected with the energy storage unit and generates electric energy by utilizing the heat energy.
The embodiment of the utility model provides a power generation system can improve energy utilization and rate, avoids output extravagant.
In some embodiments, the first power generation unit includes a wind power generator, a rectifier and an inverter connected in sequence, the wind power generator generates electric power by using wind energy, the rectifier is connected to the wind power generator at one end thereof to convert the electric power of the wind power generator into direct current, and the inverter is connected to the rectifier at one end thereof to convert the direct current into alternating current.
In some embodiments, the power generation system further comprises a light energy component adapted to generate thermal energy using light energy, and the light energy component is connected to the energy storage unit to provide the thermal energy to the energy storage unit.
In some embodiments, the light energy assembly includes a light energy heat collector, the energy storage unit includes a first heat exchanger, a first heat storage tank and a second heat storage tank, the first heat exchanger has a first passage and a second passage which are independent of each other and can exchange heat, one end of the first passage communicates with an inlet of the light energy heat collector, one end of the first passage communicates with an outlet of the light energy heat collector, one end of the second passage communicates with the first heat storage tank, and the other end of the second passage communicates with the second heat storage tank.
In some embodiments, the energy storage unit further comprises a first heater, the first power generation unit is connected with the first heater to provide electric energy, an inlet of the first heater is communicated with the second heat storage tank, and an outlet of the first heater is communicated with the first heat storage tank.
In some embodiments, the second power generation unit includes a steam turbine component, a heat exchange component, a heat supply component and a power generator, the heat exchange component has a first pipeline and a second pipeline that are independent of each other and can exchange heat mutually, first pipeline one end with first heat storage tank links to each other, the other end of first pipeline with second heat storage tank intercommunication, the one end of second pipeline with steam turbine component one end intercommunication, the other end of steam turbine with heat supply component one end links to each other, the other end of heat supply component with the other end intercommunication of second pipeline, the power generator utilizes the mechanical energy that steam turbine component produced produces the electric energy.
In some embodiments, the steam turbine assembly includes a first steam turbine, a second steam turbine and a third steam turbine which are connected in sequence, the heat supply assembly includes a first heat supply component, the energy storage unit includes a second heat exchanger, the second heat exchanger has a third channel and a fourth channel which are independent of each other and can exchange heat, one end of the third channel is communicated with the first heat storage tank, and the other end of the third channel is communicated with the second heat storage tank,
the one end of second pipeline with the import intercommunication of first turbine, the export of first turbine with the import intercommunication of fourth passageway, the export of fourth passageway with the import intercommunication of second turbine, the export of third turbine with first heat supply part links to each other, the other end of second pipeline with the export intercommunication of first heat supply part.
In some embodiments, the heat supply assembly further comprises a second heat supply component, the first heat supply component has a fifth channel and a sixth channel which are independent of each other and can exchange heat, one end of the fifth channel is communicated with the third turbine, the other end of the fifth channel is communicated with the second pipeline, the sixth channel is communicated with the outlet of the heat supply pipeline,
the second heat supply component is provided with a seventh channel and an eighth channel which are independent from each other and can exchange heat, one end of the seventh channel is communicated with an outlet of the second steam turbine, the other end of the seventh channel is communicated with the second pipeline, and the eighth channel is communicated with an inlet of the heat supply pipeline.
In some embodiments, the second power generation unit further includes a deaerator, one end of the deaerator is connected to the second pipe, and the other end of the deaerator is communicated with the fifth channel and the seventh channel.
In some embodiments, the second power generation unit further comprises a butterfly valve, one end of the butterfly valve being connected to the outlet of the second turbine and the other end of the butterfly valve being connected to the inlet of the third turbine.
Drawings
Fig. 1 is a schematic diagram of a power generation system according to an embodiment of the present invention.
Reference numerals:
a first power generating unit 10, a wind power generator 101, a rectifier 102, an inverter 103,
an energy storage unit 20, a first heat exchanger 201, a first heat storage tank 202, a second heat storage tank 203, a first pump 204, a first stop valve 205, a first regulating valve 206, a second stop valve 207, a first heater 208, a third stop valve 209, a second regulating valve 210, a fourth stop valve 211, a second heat exchanger 212, a second pump 213,
a second power generation unit 30, a first turbine 301, a second turbine 302, a third turbine 303, a heat exchange assembly 304, a heat supply assembly 305, a first heat supply component 3051, a second heat supply component 3052, a power generator 306, a fifth stop valve 307, a deaerator 308, a butterfly valve 309, a third pump 310, a fourth pump 311, a second heater 312, a third heater 313,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent. Therefore, the embodiment of the utility model provides a power generation system improves energy utilization and rates, avoids output extravagant.
Referring to fig. 1, the power generation system of the embodiment of the present invention includes a first power generation unit 10, an energy storage unit 20 and a second power generation unit 30, the first power generation unit 10 is suitable for generating electric energy by using wind energy, the energy storage unit 20 is connected to the first power generation unit 10, the energy storage unit 20 is used for storing the electric energy generated by the first power generation unit 10, and generates heat energy by using the electric energy, the second power generation unit 30 is connected to the energy storage unit 20, and the second power generation unit 30 generates electric energy by using the heat energy.
Specifically, as shown in fig. 1, the first power generating unit 10 is adapted to generate electric energy from wind energy, the energy storage unit 20 is connected to one end of the first power generating unit 10 to convert the electric energy of the first power generating unit 10 into thermal energy for storage, the electric energy generated by the first power generating unit 10 is adapted to be transmitted to a user end to provide power, and when the electric energy generated by the first power generating unit 10 is greater than the power required by the user end, the energy storage unit 20 is adapted to convert the surplus electric energy of the first power generating unit 10 into thermal energy for storage.
The second power generation unit 30 is connected to the energy storage unit 20 to generate electric energy and heat energy by using the heat energy of the energy storage unit 20, and the heat energy of the second power generation unit 30 is suitable for heating the hot water in the heat supply pipeline 50 to improve the utilization rate of energy.
The utility model discloses a power generation system, the produced electric energy of first power generation unit 10 is suitable for and transmits to the user side in order to provide the power supply, when the produced electric energy of first power generation unit 10 is greater than the required power supply of user side, energy storage unit 20 is suitable for and turns into the heat energy storage with the unnecessary electric quantity of first power generation unit 10, when the power supply of first power generation unit 10 is not enough to satisfy user side power supply demand, second power generation unit 30 utilizes the heat energy of energy storage unit 20 to produce electric energy and heat energy, in order to satisfy user side power supply demand, the heat energy of second power generation unit 30 can also be with the hot water heating in the heat supply pipeline 50, in order to avoid the energy extravagant, improve energy utilization, avoid output extravagant.
In some embodiments, the first power generation unit 10 includes a wind power generator 101, a rectifier 102 and an inverter 103 connected in sequence, the wind power generator 101 generates power using wind energy, the rectifier 102 is connected to the wind power generator 101 at one end thereof to convert the power of the wind power generator 101 into direct current, and the inverter 103 is connected to the rectifier 102 at one end thereof to convert the direct current into alternating current.
Specifically, as shown in fig. 1, the wind power generator 101 is adapted to generate alternating current from wind energy, one end of the rectifier 102 is connected to the wind power generator 101 to convert the alternating current into direct current, and the input end of the inverter 103 is connected to the other end of the rectifier 102 to convert the direct current into alternating current with amplitude, frequency and phase meeting the use requirements, so that the stability and safety of the power generation system are improved.
In some embodiments, the power generation system further comprises a light energy component 40, the light energy component 40 is adapted to generate thermal energy by using light energy, and the light energy component 40 is connected to the energy storage unit 20 to provide the thermal energy to the energy storage unit 20.
Specifically, as shown in fig. 1, the optical energy element 40 is adapted to generate thermal energy by using optical energy, and the optical energy element 40 is connected to the energy storage element to provide the thermal energy to the energy storage unit 20.
Optionally, when the illumination is sufficient, the light energy component 40 is adapted to convert light energy into heat energy, and then the light energy component 40 is connected to the energy storage unit 20 to provide heat energy to the energy storage unit 20. The energy storage unit 20 is adapted to store thermal energy, or the energy storage unit 20 provides thermal energy to the second power generation unit 30 to generate power from the second power generation unit 30, when the power demand of the user terminal is too large, the first power generation unit 10 and the second power generation unit 30 simultaneously supply power to the user terminal to meet the power demand of the user terminal, alternatively, the second power generation unit 30 may also generate heat to heat the heating pipeline 50, when the power generation system is down to supply heat, the energy storage unit 20 is adapted to convert the electric energy of the first power generation unit 10 into thermal energy, and the heat generated by the optical energy assembly 40 is stored by the energy storage unit 20, further, the energy storage of the energy storage unit 20 is increased, the energy storage unit 20 provides the stored heat energy to the second power generation unit 30, so that the second power generation unit 30 generates more heat energy, the second power generation unit 30 generates more heat energy to increase the heat energy provided to the heat supply pipeline 50, and further the heat energy is increased to meet the requirement of the heat energy.
The utility model discloses power generation system, through setting up light energy component 40, through light energy component 40 and first power generation unit 10, second power generation unit 30 and energy storage unit 20's cooperation, be convenient for adjust different electric quantity demands and different heat demands to satisfy different electric quantity and different heat demands.
In some embodiments, the light energy assembly 40 includes a light energy heat collector 401, the energy storage unit 20 includes a first heat exchanger 201, a first heat storage tank 202 and a second heat storage tank 203, the first heat exchanger 201 has a first channel and a second channel which are independent of each other and can exchange heat, one end of the first channel is communicated with an inlet of the light energy heat collector 401, one end of the first channel is communicated with an outlet of the light energy heat collector 401, one end of the second channel is communicated with the first heat storage tank 202, and the other end of the second channel is communicated with the second heat storage tank 203.
Specifically, as shown in fig. 1, one end of a first channel is communicated with an inlet of a light energy heat collector 401, one end of the first channel is communicated with an outlet of the light energy heat collector 401, the light energy heat collector 401 is suitable for flowing heat conduction oil in the first channel, one end of a second channel is communicated with an outlet of a second heat storage tank 203, the other end of the second channel is communicated with an inlet of a first heat storage tank 202, and the second channel, the first heat storage tank 202 and the second heat storage tank 203 are suitable for flowing a heat storage medium, for example, the heat storage medium may be molten salt. Molten salt in the second heat storage tank 203 can flow into the second channel, the heat conduction oil in the first channel heats the molten salt in the second channel in a heat transfer mode, namely the temperature of the molten salt in the first heat storage tank 202 is higher than that of the molten salt in the second heat storage tank 203, and the heated molten salt flows into the first heat storage tank 202 to be stored so as to complete energy storage.
Optionally, the light energy module 40 further comprises a first tank 402 and a circulation pump 403, one end of the first tank 402 is connected to one end of the circulation pump 403, the other end of the first tank 402 is connected to one end of the light energy concentrator 401, and the other end of the circulation pump 403 is connected to the other end of the light energy concentrator 401. For example, the first tank 402, the circulation pump 403 and the light energy concentrator 401 are adapted to circulate thermal oil therebetween.
Optionally, the energy storage unit 20 further includes a first stop valve 205, a first regulating valve 206, and a second stop valve 207, wherein one end of the first stop valve 205 is connected to one end of the first regulating valve 206, the other end of the first stop valve 205 is connected to an outlet of the second heat storage tank 203, the other end of the first regulating valve 206 is connected to one end of a second passage, the other end of the second passage is connected to the second stop valve 207, and the other end of the second stop valve 207 is connected to an inlet of the first heat storage tank 202.
The utility model discloses power generation system, through setting up light energy heat collector 401, light energy heat collector 401 is suitable for and heats heat energy with light energy conversion, and first heat exchanger 201 is suitable for and utilizes heat energy to heat the fused salt, and the fused salt after the heating is suitable for to store in first heat storage jar 202 in order to accomplish the energy storage, improves the utilization ratio of the energy, still avoids the waste of the energy with unnecessary energy storage, further improves the utilization ratio of the energy.
In some embodiments, the energy storage unit 20 further includes a first heater 208, the first power generation unit 10 is connected to the first heater 208 to provide electric energy, an inlet of the first heater 208 is communicated with the second heat storage tank 203, and an outlet of the first heater 208 is communicated with the first heat storage tank 202.
Specifically, as shown in fig. 1, the first power generation unit 10 is connected to a first heater 208 to provide electric energy of the first power generation unit 10 to the first heater 208, an inlet of the first heater 208 is connected to an outlet of the second heat storage tank 203, an outlet of the first heater 208 is connected to an inlet of the first heat storage tank 202, the first heater 208 is adapted to heat molten salt flowing into the first heater 208 from the second heat storage tank 203, and the heated molten salt is adapted to flow into the first heat storage tank 202 to complete energy storage.
Optionally, the energy storage unit 20 further includes a third cut-off valve 209, a second regulating valve 210, and a fourth cut-off valve 211, wherein one end of the third cut-off valve 209 is connected to an outlet of the second heat storage tank 203, the other end of the third cut-off valve 209 is connected to one end of the first heater 208, the other end of the first heater 208 is connected to one end of the fourth cut-off valve 211, and the other end of the fourth cut-off valve 211 is connected to the first heat storage tank 202.
Optionally, the energy storage unit 20 further includes a first pump 204, one end of the first pump 204 is connected to an outlet of the second thermal storage tank 203, the other end of the first pump 204 is connected to a first cut-off valve 205 and a third cut-off valve 209, when the first cut-off valve 205, the first regulating valve 206, the second cut-off valve 207, the third cut-off valve 209, the second regulating valve 210 and the fourth cut-off valve 211 are all in an open state, the first pump 204 is adapted to pump molten salt in the second thermal storage tank 203 into the first thermal storage tank 202 through the second passage and the first heater 208, and the molten salt is heated in the second passage and the first heater 208, and the heated molten salt is adapted to be stored in the first thermal storage tank 202.
The utility model discloses power generation system, through setting up first heater 208, first heater 208 is suitable for the fused salt heating with energy storage unit 20 with the electric energy transformation of first power generation unit 10 heat energy storage, improves the utilization ratio of the energy, has avoided the energy extravagant.
In some embodiments, the second power generation unit 30 includes a steam turbine assembly, a heat exchange assembly 304, a heat supply assembly 305, and a power generator 306, the heat exchange assembly 304 has a first pipeline and a second pipeline that are independent of each other and can exchange heat with each other, one end of the first pipeline is connected to the first heat storage tank 202, the other end of the first pipeline is communicated to the second heat storage tank 203, one end of the second pipeline is communicated to one end of the steam turbine assembly, the other end of the steam turbine assembly is connected to one end of the heat supply assembly 305, the other end of the heat supply assembly 305 is connected to the other end of the second pipeline, and the power generator 306 generates electric energy by using mechanical energy generated by the steam turbine assembly.
Specifically, as shown in fig. 1, one end of a first pipe is connected to an outlet of a first heat storage tank 202, the other end of the first pipe is communicated with an inlet of a second heat storage tank 203, one end of a second pipe is communicated with an inlet of a steam turbine assembly, an outlet of the steam turbine assembly is communicated with one end of a heat supply assembly 305, and the other end of the heat supply assembly 305 is adapted to be communicated with the other end of the second pipe.
The generator 306 is disposed coaxially with the turbine assembly such that the generator 306 generates electrical energy from the mechanical energy generated by the turbine assembly.
The utility model discloses power generation system, through setting up heat exchange assembly 304, heat exchange assembly 304 is suitable for providing the heat of energy storage unit 20 to second power generation unit 30, and still to heat supply assembly 305 with the heating with heat supply pipeline 50 heating, the utilization ratio of the energy has been improved to the heat supply assembly 301 subassembly when satisfying the electricity generation.
Optionally, heat exchange assembly 304 includes a preheater, an evaporator, and a superheater. The preheater is internally provided with a ninth channel and a tenth channel which are independent of each other and can exchange heat, the evaporator is internally provided with an eleventh channel and a twelfth channel which are independent of each other and can exchange heat, the superheater is provided with a thirteenth channel and a fourteenth channel which are independent of each other and can exchange heat, one end of the ninth channel is communicated with an inlet of the second heat storage tank 203, the other end of the ninth channel is communicated with one end of the eleventh channel, the other end of the eleventh channel is communicated with one end of the thirteenth channel, the other end of the thirteenth channel is connected with an outlet of the first heat storage tank 202, one end of the tenth channel is connected with a heat supply group, the other end of the tenth channel is connected with one end of the twelfth channel, the other end of the twelfth channel is communicated with one end of the fourteenth channel, and the other end of the fourteenth channel is communicated with an inlet of the gas turbine, the fused salt of first heat storage jar 202 gets into the pre-heater in proper order, evaporimeter and over heater, the ninth passageway promptly, the fused salt temperature of eleventh passageway and thirteenth passageway reduces gradually, thereby the pre-heater, evaporimeter and over heater are with the tenth passageway, the fluid of twelfth passageway and fourteenth passageway divides the temperature grade that the fluid is different then the heating intensifies, the fluidic temperature in the twelfth passageway is greater than the fluidic temperature in the tenth passageway, the fluidic temperature in the twelfth passageway is less than the fluidic temperature in the fourteenth passageway, thereby avoid the fluidic rapid heating up to influence heat exchange assemblies 304's stability and security, through the intensification step by step of fluid still improved energy utilization.
In some embodiments, the steam turbine assembly includes a first steam turbine 301, a second steam turbine 302 and a third steam turbine 303 connected in sequence, the heat supply assembly 305 includes a first heat supply component 3051, the energy storage unit 20 includes a second heat exchanger 212, the second heat exchanger 212 has a third channel and a fourth channel which are independent of each other and can exchange heat, one end of the third channel is communicated with the first heat storage tank 202, the other end of the third channel is communicated with the second heat storage tank 203,
one end of the second pipeline is communicated with an inlet of the first steam turbine 301, an outlet of the first steam turbine 301 is communicated with an inlet of the fourth channel, an outlet of the fourth channel is communicated with an inlet of the second steam turbine 302, an outlet of the third steam turbine 303 is connected with the first heat supply component 3051, and the other end of the second pipeline is communicated with an outlet of the first heat supply component 3051.
Specifically, as shown in fig. 1, the heat storage unit further includes a second pump 213, one end of the second pump 213 is communicated with an outlet of the first heat storage tank 202, the other end of the second pump 213 is communicated with the first pipeline and the third channel, the third pump 310 is adapted to pump the molten salt of the first heat storage tank 202 into the second heat storage tank 203 through the third channel and the first pipeline, and the molten salt in the third channel and the first pipeline heats the fluid in the second pipeline through heat transfer to complete the purpose that the energy storage unit 20 provides heat for the second power generation unit 30, so that the second power generation unit 30 generates power by using the heated fluid.
An inlet of the first turbine 301 is connected to one end of the second pipe to allow the heated fluid to enter the first turbine, the first turbine 301 is adapted to convert thermal, kinetic and potential energy of the fluid into mechanical energy, an outlet of the first turbine 301 is communicated with one end of a fourth passage, the other end of the fourth passage is communicated with an inlet of the second turbine 302, the second turbine 302 is adapted to convert the thermal, kinetic and potential energy of the fluid into mechanical energy, an outlet of the second turbine 302 is connected to an outlet of the third turbine 303, the third turbine 303 is adapted to convert the thermal, kinetic and potential energy of the fluid into mechanical energy, and the generator 306 generates electric energy using the mechanical energy of the first turbine 301, the second turbine 302 and the third turbine 303.
The utility model discloses power generation system, through setting up second heater 312, second heater 312 is suitable for and heats the fluid that flows into second turbine 302 with first turbine 301 export, avoids crossing the normal electricity generation that influences second turbine 302 because of fluid temperature is low, and to the formation reutilization of the energy, has improved energy utilization and has rateed, has still improved power generation system's stability.
In some embodiments, the heat supply assembly 305 further includes a second heat supply component 3052, the first heat supply component 3051 has a fifth path and a sixth path which are independent of each other and can perform heat exchange, one end of the fifth path is communicated with the third turbine 303, the other end of the fifth path is communicated with the second pipeline, the sixth path is communicated with the outlet of the heat supply pipeline 50,
the second heat supply component 3052 has a seventh channel and an eighth channel which are independent of each other and can exchange heat, one end of the seventh channel is communicated with the outlet of the second turbine 302, the other end of the seventh channel is communicated with the second pipeline, and the eighth channel is communicated with the inlet of the heat supply pipeline 50.
Specifically, as shown in fig. 1, one end of the fifth channel is communicated with the outlet of the third steam turbine 303, one end of the sixth channel is communicated with the outlet of the heat supply pipeline 50, and the fifth channel fluid is suitable for heating the hot water of the sixth channel through heat transfer, that is, the second power generation unit 30 heats the hot water in the heat supply pipeline 50 for the first time. One end of the seventh passage is communicated with the outlet of the second turbine 302, one end of the eighth passage is communicated with the inlet of the heat supply pipeline 50, the other end of the eighth passage is communicated with the other end of the sixth passage, and the fluid of the seventh passage is suitable for heating the hot water in the eighth passage through heat transfer, namely, the second power generation unit 30 heats the hot water in the heat supply pipeline 50 for the second time.
The utility model discloses power generation system, fifth passageway fluid are suitable for the hot water to the sixth passageway through the heat transfer and heat, and second power generation unit 30 heats the hot water in heat supply pipeline 50 for the first time promptly, and the fluid of seventh passageway is suitable for the hot water heating in the eighth passageway through the heat transfer, and second power generation unit 30 heats the hot water in heat supply pipeline 50 for the second time promptly. Through the secondary heating to the water supply pipeline, realized the cascaded utilization to steam turbine component waste heat, improved the energy utilization ratio of second power generation unit 30, avoid the energy extravagant.
Optionally, the second power generation unit 30 further includes a fifth stop valve 307, one end of the fifth stop valve 307 is connected to the outlet of the second turbine 302, and the other end of the fifth stop valve 307 is communicated with the seventh passage.
Optionally, the second power generation unit 30 further includes a deaerator 308, an outlet of the deaerator 308 is connected to the second pipeline, and an inlet of the deaerator 308 is communicated with the fifth channel and the seventh channel, or the deaerator 308 is provided with a first inlet and a second inlet, the first inlet is communicated with the fifth channel, and the second inlet is communicated with the seventh channel. The deaerator 308 is suitable for deaerating the fluid flowing into the deaerator 308 from the fifth channel, and the deaerator 308 is suitable for deaerating the fluid flowing into the deaerator 308 from the seventh channel, so that the oxygen is prevented from oxidizing and corroding the pipeline of the second power generation unit 30, and the running stability and safety of the second power generation unit 30 are improved.
Optionally, the second power generation unit 30 further comprises a butterfly valve 309, one end of the butterfly valve 309 is connected to the outlet of the second turbine 302, the other end of the butterfly valve 309 is connected to the inlet of the third turbine 303, the butterfly valve 309 is adapted to regulate the flow rate of the fluid entering the third turbine 303 from the second turbine 302, so as to avoid unstable operation of the third turbine 303 due to too much or too little flow rate of the fluid, and avoid energy waste due to too much flow rate of the fluid entering the third turbine 303.
Optionally, the second power generation unit 30 further includes a third pump 310, a fourth pump 311, a second heater 312, and a third heater 313. One end of the second heater 312 is communicated with the second pipeline, the other end of the second heater 312 is communicated with the third pump 310, the other end of the third pump 310 is communicated with an outlet of the deaerator 308, one end of the fourth pump 311 is communicated with the fifth channel, the other end of the fourth pump 311 is communicated with one end of the third heater 313, and the other end of the third heater 313 is communicated with the first inlet. For example, the second heater 312 is a high-pressure heater, and the third heater 313 is a low-pressure heater, for example, the heat sources of the second heater 312 and the third heater 313 are waste heat from the turbine assembly, so that the utilization rate of energy is further improved, and energy waste is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A power generation system, comprising:
a first power generation unit adapted to generate electrical energy from wind energy;
the energy storage unit is connected with the first power generation unit and is used for storing electric energy generated by the first power generation unit and generating heat energy by using the electric energy;
and the second power generation unit is connected with the energy storage unit and generates electric energy by utilizing the heat energy.
2. The power generation system according to claim 1, wherein the first power generation unit comprises a wind power generator, a rectifier and an inverter connected in sequence, the wind power generator generates power from wind energy, the rectifier is connected to the wind power generator at one end thereof to convert the power of the wind power generator into direct current, and the inverter is connected to the rectifier at one end thereof to convert the direct current into alternating current.
3. The power generation system of claim 2, further comprising a light energy assembly adapted to generate thermal energy from light energy, the light energy assembly being coupled to the energy storage unit to provide the thermal energy to the energy storage unit.
4. The power generation system according to claim 3, wherein the light energy assembly comprises a light energy heat collector, the energy storage unit comprises a first heat exchanger, a first heat storage tank and a second heat storage tank, the first heat exchanger is provided with a first channel and a second channel which are independent of each other and can exchange heat, one end of the first channel is communicated with an inlet of the light energy heat collector, one end of the first channel is communicated with an outlet of the light energy heat collector, one end of the second channel is communicated with the first heat storage tank, and the other end of the second channel is communicated with the second heat storage tank.
5. The power generation system of claim 4, wherein the energy storage unit further comprises a first heater, the first power generation unit is connected to the first heater to provide electrical energy, an inlet of the first heater is in communication with the second thermal storage tank, and an outlet of the first heater is in communication with the first thermal storage tank.
6. The power generation system according to claim 4 or 5, wherein the second power generation unit includes a steam turbine assembly, a heat exchange assembly, a heat supply assembly, and a power generator, the heat exchange assembly has a first pipeline and a second pipeline which are independent of each other and can exchange heat with each other, one end of the first pipeline is communicated with the first heat storage tank, the other end of the first pipeline is connected with the second heat storage tank, one end of the second pipeline is communicated with one end of the steam turbine assembly, the other end of the steam turbine assembly is connected with one end of the heat supply assembly, the other end of the heat supply assembly is connected with the other end of the second pipeline, and the power generator generates electric energy by using mechanical energy generated by the steam turbine assembly.
7. The power generation system according to claim 6, wherein the steam turbine assembly comprises a first steam turbine, a second steam turbine and a third steam turbine which are connected in sequence, the heat supply assembly comprises a first heat supply component, the energy storage unit comprises a second heat exchanger, the second heat exchanger is provided with a third channel and a fourth channel which are independent from each other and can exchange heat, one end of the third channel is communicated with the first heat storage tank, and the other end of the third channel is communicated with the second heat storage tank,
the one end of second pipeline with the import intercommunication of first turbine, the export of first turbine with the import intercommunication of fourth passageway, the export of fourth passageway with the import intercommunication of second turbine, the export of third turbine with the one end of first heat supply part links to each other, the other end of second pipeline with the other end intercommunication of first heat supply part.
8. The power generation system of claim 7, wherein the heat supply assembly further comprises a second heat supply component, the first heat supply component has a fifth channel and a sixth channel which are independent of each other and can perform heat exchange, one end of the fifth channel is communicated with the third turbine, the other end of the fifth channel is communicated with the second pipeline, and the sixth channel is communicated with an outlet of the heat supply pipeline,
the second heat supply component is provided with a seventh channel and an eighth channel which are independent from each other and can exchange heat, one end of the seventh channel is communicated with an outlet of the second steam turbine, the other end of the seventh channel is communicated with the second pipeline, and the eighth channel is communicated with an inlet of the heat supply pipeline.
9. The power generation system of claim 8, wherein the second power generation unit further comprises a deaerator, one end of the deaerator is connected to the second pipe, and the other end of the deaerator is communicated with the fifth channel and the seventh channel.
10. The power generation system of claim 8, wherein the second power generation unit further comprises a butterfly valve, one end of the butterfly valve being connected to the outlet of the second turbine and the other end of the butterfly valve being connected to the inlet of the third turbine.
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| CN202221311321.XU CN217462416U (en) | 2022-05-27 | 2022-05-27 | Power generation system |
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| CN202221311321.XU CN217462416U (en) | 2022-05-27 | 2022-05-27 | Power generation system |
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