WO2013086895A1 - 太阳能与外源蒸汽互补发电设备 - Google Patents

太阳能与外源蒸汽互补发电设备 Download PDF

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Publication number
WO2013086895A1
WO2013086895A1 PCT/CN2012/083116 CN2012083116W WO2013086895A1 WO 2013086895 A1 WO2013086895 A1 WO 2013086895A1 CN 2012083116 W CN2012083116 W CN 2012083116W WO 2013086895 A1 WO2013086895 A1 WO 2013086895A1
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WO
WIPO (PCT)
Prior art keywords
steam
solar
output end
heat
switching valve
Prior art date
Application number
PCT/CN2012/083116
Other languages
English (en)
French (fr)
Inventor
陈义龙
杨清萍
张岩丰
Original Assignee
武汉凯迪工程技术研究总院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN 201120515674 external-priority patent/CN202326050U/zh
Priority claimed from CN2011104119798A external-priority patent/CN102418679B/zh
Priority to JP2014546290A priority Critical patent/JP5919390B2/ja
Priority to KR1020147016364A priority patent/KR101561978B1/ko
Priority to SI201231159T priority patent/SI2801723T1/en
Priority to DK12858668.2T priority patent/DK2801723T3/en
Priority to AP2014007777A priority patent/AP4020A/en
Priority to RU2015109761/06A priority patent/RU2602708C2/ru
Priority to MX2014006972A priority patent/MX345149B/es
Priority to CA2860836A priority patent/CA2860836A1/en
Application filed by 武汉凯迪工程技术研究总院有限公司 filed Critical 武汉凯迪工程技术研究总院有限公司
Priority to EP12858668.2A priority patent/EP2801723B1/en
Priority to AU2012350645A priority patent/AU2012350645B2/en
Priority to BR112014014312A priority patent/BR112014014312A2/pt
Priority to SG11201403128QA priority patent/SG11201403128QA/en
Priority to LTEP12858668.2T priority patent/LT2801723T/lt
Publication of WO2013086895A1 publication Critical patent/WO2013086895A1/zh
Priority to US14/302,419 priority patent/US9841008B2/en
Priority to ZA2014/05001A priority patent/ZA201405001B/en
Priority to HRP20171933TT priority patent/HRP20171933T1/hr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/068—Devices for producing mechanical power from solar energy with solar energy concentrating means having other power cycles, e.g. Stirling or transcritical, supercritical cycles; combined with other power sources, e.g. wind, gas or nuclear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/003—Devices for producing mechanical power from solar energy having a Rankine cycle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F01D17/04—Arrangement of sensing elements responsive to load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F01D17/06—Arrangement of sensing elements responsive to speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
    • F01D17/085—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure to temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/003—Devices for producing mechanical power from solar energy having a Rankine cycle
    • F03G6/005—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/061—Parabolic linear or trough concentrators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F03G6/067—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • 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
    • 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
    • Y02E10/44—Heat exchange systems
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Definitions

  • the invention relates to a clean energy power generation device, in particular to a solar energy and external steam complementary power generation device. Background technique
  • the object of the present invention is to make full use of the waste heat steam resources generated by large industries, overcome the defects that the known solar thermal power stations are affected by the weather, unstable energy collection, and discontinuity, and provide a solar power and external steam complementary power generation equipment.
  • the solar energy and external steam complementary power generation equipment designed by the present invention comprises a solar steam generating device, an external steam regulator, a steam turbine unit, and a generator associated with the steam turbine unit.
  • the steam output end of the solar steam generating device is connected to the high pressure steam inlet of the steam turbine through a first regulating valve, and the steam output end of the external steam regulator is also connected to the steam turbine unit through the second regulating valve and the second switching valve
  • the high pressure steam inlet is connected.
  • the setting of the external steam regulator is to change the working condition of the external steam, so that the parameter values such as pressure and temperature satisfy the operation requirements of the steam turbine unit.
  • the external steam regulator can be a temperature-reducing pressure reducer or a temperature-increasing booster.
  • the low pressure steam outlet of the steam turbine unit is connected to the input end of the condenser, the output end of the condenser is connected to the input end of the deaerator, and the output end of the deaerator is connected to the input end of the feed water pump for Remove oxygen from circulating water to prevent oxidative corrosion of equipment and piping.
  • the output end of the feed water pump passes through the first on-off valve It is connected to the circulating water input end of the solar steam generating device, thereby constituting a circulation loop of the solar steam generating device.
  • the output end of the feed water pump is also connected to the external source steam return water bypass through the fourth switching valve, thereby forming a circulation loop for the external steam to do work.
  • the solar energy and external steam complementary power generation device further includes a soft water storage tank, wherein the water outlet of the soft water storage tank is connected to the water supply port of the deaerator through a water pump, and the water outlet of the soft water storage tank and the deaerator A third regulating valve and a third switching valve are disposed on the pipeline between the water filling ports, thereby constituting a circulating water reserve and replenishing system of the solar steam generating device.
  • the soft water storage tank is used for storing soft water prepared from a chemical water treatment device, and the soft water removes calcium and magnesium ions therein, thereby effectively preventing fouling inside the device; and the third regulating valve and the third switching valve are used In order to control the supply of soft water and the flow rate, to compensate for the loss of circulating water according to the actual situation.
  • a pressure gauge and a thermometer are disposed on the pipeline at the high pressure steam inlet of the steam turbine unit.
  • the purpose of the pressure gauge and thermometer is to intuitively control the steam pressure and temperature of the input turbine group to meet the operating requirements of the steam turbine.
  • the solar steam generating device comprises a tower top solar boiler and a plurality of matching day mirrors matched thereto, and the collector tube output end of the tower top solar boiler passes the first regulating valve and the high pressure of the steam turbine unit.
  • the steam inlets are connected, and the heat collecting pipe input end of the tower top solar boiler is connected to the output end of the feed water pump through the first switching valve.
  • the heat transfer medium in the tower top solar boiler is water, no other heat exchange equipment is needed, and the water is directly vaporized into high temperature and high pressure steam to work on the steam turbine unit, and the structure is simple and the cost is low.
  • the solar steam generating device comprises a tower top solar boiler and a plurality of matching day mirrors, wherein the heat collecting tube output end of the tower top solar boiler passes through the fifth switching valve and stores heat storage heat.
  • the heat medium inlet of the heat storage heat exchanger is connected to the heat collecting pipe input end of the tower top solar boiler through a hot liquid pump; the steam output end of the heat storage heat exchanger passes through the first regulating valve Connected to the high pressure steam inlet of the steam turbine unit, the circulating water input end of the heat storage heat exchanger is connected to the output end of the feed water pump through a first switching valve.
  • the heat transfer medium in the tower top solar boiler is made of high temperature heat transfer oil, etc., and may be heavy oil, paraffin, molten salt, or other known liquid heat conductive mixture, such as a heating temperature of a mixture of biphenyl and diphenyl ether. Up to 400 ° C.
  • the high-temperature heat-conducting medium that absorbs solar energy transfers heat to the water through the heat storage heat exchanger, and the water is vaporized into high-temperature and high-pressure steam to work on the steam turbine unit, and the operation is stable, safe and reliable.
  • the solar steam generating device includes a plurality of solar vacuum heat collecting tubes with better collecting and collecting effects, and a matching parabolic reflector, the output end of the solar vacuum collecting tube passes through A regulating valve is connected to the high pressure steam inlet of the steam turbine unit, and the input end of the solar vacuum heat collecting tube is connected to the output end of the feed water pump through the first switching valve.
  • the heat conduction medium in the solar vacuum heat collecting tube is water, and no other heat exchange equipment is needed, and the water is directly vaporized into high temperature and high pressure steam to work on the steam turbine unit, and the structure is simple and the cost is low.
  • the solar steam generating device comprises a plurality of solar vacuum heat collecting tubes with better collecting and collecting heat effects and a matching parabolic reflector, wherein the output end of the solar vacuum heat collecting tube passes through the fifth switch.
  • the valve is connected to the heat medium inlet of the heat storage heat exchanger, and the heat medium outlet of the heat storage heat exchanger is connected to the input end of the solar vacuum heat collecting tube through a hot liquid pump; the steam output end of the heat storage heat exchanger passes
  • the first regulating valve is connected to the high pressure steam inlet of the steam turbine unit, and the circulating water input end of the heat storage heat exchanger is connected to the output end of the feed water pump through the first switching valve.
  • the heat transfer medium in the solar vacuum heat collecting tube is made of high temperature heat transfer oil, etc., and may be heavy oil, paraffin, molten salt, or other known liquid heat conductive mixture, such as a heating temperature of a mixture of biphenyl and diphenyl ether. Up to 400 ° C.
  • the high-temperature heat-conducting medium that absorbs solar energy transfers heat to the water through the heat storage heat exchanger, and the water is vaporized into high-temperature and high-pressure steam to work on the steam turbine unit, and the operation is stable, safe and reliable.
  • the working principle of the present invention is briefly described as follows: When the daytime sunshine is sufficient, the second on-off valve and the fourth on-off valve are closed, and the first on-off valve is opened, and the solar steam generating device is in operation state, and the high temperature generated by the solar steam generating device After the high pressure steam is adjusted by the first regulating valve to reach the rated pressure and temperature of the steam turbine unit, it enters the steam turbine to work and drives the generator to generate electricity; the steam after the work is cooled by the condenser into normal pressure low temperature water, and then removed by the deaerator. The oxygen is then sent to the solar steam generating device through the feed water pump and the first switching valve to continue the circulation.
  • the third on-off valve is opened, the soft water in the soft water storage tank is sucked into the deaerator by the make-up water pump, and the third regulating valve is used to control the replenishment amount of the circulating water.
  • the first switch valve When the night comes or rainy weather, the first switch valve is closed, and the first regulating valve is at the zero position, and the second switching valve and the fourth switching valve are opened, and the external steam is turned on, which is generated from the modern industry.
  • the waste heat steam from the zone is combined with the external steam regulator and the second regulating valve to reach the rated pressure and temperature of the steam turbine unit, and then the second switching valve enters the steam turbine to perform work to drive the generator to generate electricity;
  • the steam is cooled by the condenser into a normal-pressure low-temperature water, and then the oxygen is removed by the deaerator, and then sent to the external steam backwater bypass by the feed water pump and the fourth switching valve to complete the circulation of the external steam work.
  • the advantages of the present invention are:
  • the steam thermal power of the designed power plant comes from both clean, clean, renewable solar energy and waste heat steam as a by-product of the modern industry. Compared with traditional fossil energy power generation, it does not emit S0 2 and C0 2 polluted atmosphere, but also fully collects and utilizes waste heat resources, and also stabilizes the influence of weather on solar energy fluctuations.
  • the steam turbine generator set can run stably 24 hours a day, day or night, no matter whether it is sunny or cloudy.
  • Embodiment 1 is a schematic structural view of a solar power and external steam complementary power generation device according to Embodiment 1. Among them: The tower top solar boiler matched with the fixed-day mirror directly supplies steam for the steam turbine unit.
  • Embodiment 2 is a schematic structural view of a solar power and external steam complementary power generation device according to Embodiment 2. Among them: The tower top solar boiler matched with the fixed-day mirror indirectly supplies steam to the steam turbine unit through heat exchange.
  • Embodiment 3 is a schematic structural view of a solar power and external steam complementary power generation device according to Embodiment 3. Among them: The solar vacuum heat collecting tube matched with the trough parabolic mirror directly supplies steam for the steam turbine unit.
  • Embodiment 4 is a schematic structural view of a solar power and external steam complementary power generation device according to Embodiment 4. Among them: The solar vacuum heat collecting tube matched with the trough parabolic mirror indirectly supplies steam to the steam turbine unit through heat exchange. detailed description
  • the solar energy and external steam complementary power generation equipment shown in FIG. 1 is mainly composed of a solar steam generating device, an external steam regulator 15, a steam turbine unit 2, a generator associated with the steam turbine unit 2, a condenser 5, and a deaerator. 6.
  • the feed pump 7, soft water storage tank 9 and make-up water pump 8 are combined through pipelines and valves.
  • the valve includes first to fifth on-off valves 16, 19, 21, 23, 17 for controlling the on and off of the pipeline; and first to third regulators 18, 20, 22 for regulating the flow rate of the pipeline.
  • the solar steam generating device has a tower top solar boiler 13 and a plurality of fixed-day reflecting mirrors 14 matched thereto, and the day-closing mirror 14 can track the sun during the day so that the sunlight is always concentrated on the heat collecting tubes of the solar boiler 13.
  • the heat collecting pipe output end of the tower top solar boiler 13 is connected to the high pressure steam inlet 3 of the steam turbine unit 2 through the fifth switching valve 17 and the first regulating valve 18, and the steam output end of the external steam regulator 15 passes through the second regulating valve 20 and
  • the second switching valve 19 is also connected to the high pressure steam inlet 3 of the steam turbine unit 2, and a pressure gauge P and a thermometer T are installed on the pipeline at the high pressure steam inlet 3 of the steam turbine unit 2 to visually display the pressure and temperature parameters of the steam.
  • the low pressure steam outlet 4 of the steam turbine unit 2 is connected to the input of the condenser 5, and the output of the condenser 5 is connected to the input of the deaerator 6.
  • the water outlet of the soft water storage tank 9 is connected to the water supply port of the deaerator 6 through the make-up water pump 8, third
  • the regulating valve 22 and the third switching valve 21 are disposed on the pipeline between the water outlet of the soft water storage tank 9 and the water supply port of the deaerator 6, for controlling the opening and closing and the amount of water supply of the water supply pipeline.
  • the output end of the deaerator 6 is connected to the input end of the feed water pump 7, and the output end of the feed water pump 7 is connected to the input end of the heat collecting pipe of the tower top solar boiler 13 through the first on-off valve 16 to constitute a circulation loop of the solar steam generating device.
  • the output end of the feed water pump 7 is also connected to the external steam return water bypass 11 through the fourth switching valve 23 to constitute a circulation loop for the external steam to perform work.
  • Embodiment 1 The working process of Embodiment 1 is as follows: When the sun is sufficient during the day, the second on-off valve 19 and the fourth on-off valve 23 are closed, the first on-off valve 16, the third on-off valve 21 and the fifth on-off valve 17 are opened, and the system is in solar energy Gathering power operation status. At this time, the day mirror 14 tracks the sunlight, and collects the sunlight heat energy on the heat collecting tube of the tower top solar boiler 13, so that the circulating water therein is heated to form high temperature and high pressure steam. The high-temperature and high-pressure steam is output from the heat collecting pipe of the tower top solar boiler 13 and is adjusted to the rated pressure and temperature by the first regulating valve 18, and then sent to the steam turbine unit 2 for power generation.
  • the steam after the work is cooled by the condenser 5 to a normal-pressure low-temperature water of about 40 ° C, and is sent to the deaerator 6 to remove the dissolved oxygen in the water, and then sent back to the heat collecting tube of the tower top solar boiler 13 by the feed water pump 7.
  • the surface water or well water collected separately is initially purified, and then the calcium and magnesium ions are removed from the chemical water treatment workshop and sent to the soft water storage tank 9 for use.
  • the soft water is sucked by the make-up water pump 8, and the flow rate is controlled by the third regulator valve 22, and is sent to the deaerator 6 to compensate for the amount of water loss.
  • the first on-off valve 16, the third on-off valve 21 and the fifth on-off valve 17 are closed, and the first regulating valve 18 and the third regulating valve 22 are in the zero position, and the second switching valve 19 is opened.
  • the four-switch valve 23 is in an external steam generating operation state.
  • the waste heat steam sent from the outside enters the external steam regulator 15, and is desuperheated, decompressed, or warmed and boosted according to the actual working condition of the waste heat steam, and then refined by the second regulating valve 20 to the rated value. After the pressure and temperature, it is sent to the steam turbine unit 2 for power generation.
  • the steam after work is cooled by the condenser 5 to a normal-pressure low-temperature water of about 40 ° C, and is sent to the deaerator 6 to remove the dissolved oxygen in the water, and then returned to the waste heat by the feed water pump 7 via the external steam backwater bypass 11
  • the steam source or sent to the softened water tank for storage and reuse.
  • the solar energy and external steam complementary power generation equipment shown in FIG. 2 is mainly composed of a solar steam generating device, an external steam regulator 15, a steam turbine unit 2, a generator associated with the steam turbine unit 2, a condenser 5, and a deaerator. 6.
  • the feed pump 7, soft water storage tank 9 and make-up water pump 8 are combined through pipelines and valves.
  • the valve includes first to fifth on-off valves 16, 19, 21, 23, 17 for controlling the on and off of the pipeline; first to third regulator valves 18, 20, 22 for
  • the solar steam generating device has a tower top solar boiler 13 and a plurality of matching daytime mirrors 14 that can track the sun during the day to concentrate the sunlight on the heat collecting tubes of the solar boiler 13.
  • the heat collecting tube output end of the tower top solar boiler 13 is connected to the heat medium inlet of the heat storage heat exchanger 12 through the fifth switching valve 17, and the heat medium outlet of the heat storage heat exchanger 12 passes through the hot liquid pump 10 and the tower top solar boiler 13
  • the heat collecting tube is connected to the input end, and the heat medium is mixed with biphenyl and diphenyl ether, and is filled in the heat storage heat exchanger 12 provided with the heat insulating layer, and the heat absorption temperature can reach about 40 CTC, which is sufficient for heat exchange to generate high temperature. High pressure steam.
  • the steam output end of the heat storage heat exchanger 12 is connected to the high pressure steam inlet 3 of the steam turbine unit 2 via a first regulating valve 18, and the steam output end of the external steam regulator 15 is also passed through the second regulating valve 20 and the second switching valve 19 It is connected to the high pressure steam inlet 3 of the steam turbine unit 2, and a pressure gauge P and a thermometer T are installed on the pipeline at the high pressure steam inlet 3 of the steam turbine unit 2 to visually display the pressure and temperature parameters of the steam.
  • the low pressure steam outlet 4 of the steam turbine 2 is connected to the input of the condenser 5, and the output of the condenser 5 is connected to the input of the deaerator 6.
  • the water outlet of the soft water storage tank 9 is connected to the water supply port of the deaerator 6 through the makeup water pump 8, and the third regulating valve 22 and the third switching valve 21 are disposed at the water outlet of the soft water storage tank 9 and the water supply port of the deaerator 6. In the pipeline, it is used to control the opening and closing and the amount of water replenishment of the water supply pipeline.
  • the output end of the deaerator 6 is connected to the input end of the feed water pump 7, and the output end of the feed water pump 7 is connected to the circulating water input end of the heat storage heat exchanger 12 through the first on-off valve 16 to constitute a circulation circuit of the solar steam generating device. .
  • the output of the feed water pump 7 is also connected to the external steam return bypass 11 through the fourth on-off valve 23 to form a circulation loop for the external steam to perform work.
  • Embodiment 2 The working process of Embodiment 2 is as follows: When the sun is sufficient during the day, the second on-off valve 19 and the fourth on-off valve 23 are closed, and the first on-off valve 16, the third on-off valve 21 and the fifth on-off valve 17 are turned on, and the system is in the solar energy Gathering power operation status.
  • the day-to-day mirror 14 tracks the sunlight, and collects the sunlight heat energy on the heat collecting tube of the tower top solar boiler 13, so that the heat medium biphenyl and diphenyl ether mixture absorbs heat and heats up, and the high temperature biphenyl around 40 CTC And the diphenyl ether mixture enters the heat storage heat exchanger 12 through the fifth switching valve 17, and exchanges heat with the circulating water in the other line in the heat storage heat exchanger 12, and the mixed liquid of biphenyl and diphenyl ether The temperature is gradually reduced, and has been reduced to about 245 ° C from the heat storage heat exchanger 12, and then returned to the heat collecting tube of the tower top solar boiler 13 by the hot liquid pump 10 to start the next round of absorption of solar energy.
  • the circulating water in the heat storage heat exchanger 12 exchanges heat with the high temperature biphenyl and diphenyl ether mixture to form high temperature and high pressure steam.
  • the high-temperature high-pressure steam is output from the heat storage heat exchanger 12, and is adjusted to a rated pressure and temperature by the first regulating valve 18, and then sent to the steam turbine unit 2 for power generation.
  • the steam after the work is cooled by the condenser 5 to a normal-pressure low-temperature water of about 40 ° C, and is sent to the deaerator 6 to remove the dissolved oxygen in the water, and then sent back by the feed water pump 7.
  • the heat exchange is performed in the heat storage heat exchanger 12 to reform the high temperature and high pressure steam.
  • the surface water or well water collected separately is initially purified, and then the calcium and magnesium ions are removed from the chemical water treatment workshop and sent to the soft water storage tank 9 for use.
  • the soft water is sucked by the makeup water pump 8, and the flow rate is controlled by the third regulator valve 22, and is sent to the deaerator 6 to compensate for the amount of water loss.
  • the first on-off valve 16, the third on-off valve 21 and the fifth on-off valve 17 are closed, and the first regulating valve 18 and the third regulating valve 22 are in the zero position, and the second switching valve 19 is opened.
  • the four-switch valve 23 is in an external steam generating operation state.
  • the waste heat steam sent from the outside enters the external steam external source steam regulator 15, and is desuperheated, decompressed, or warmed and boosted according to the actual working condition of the waste heat steam, and then refined and adjusted by the second regulating valve 20. After the rated pressure and temperature, it is sent to the steam turbine unit 2 for power generation.
  • the steam after work is cooled by the condenser 5 to a normal-pressure low-temperature water of about 40 ° C, and is sent to the deaerator 6 to remove the dissolved oxygen in the water, and then returned to the waste heat by the feed water pump 7 via the external steam backwater bypass 11
  • the steam source or sent to the softened water tank for storage and reuse.
  • the solar and external steam complementary power generation equipment shown in Fig. 3 has the same structure as the solar energy and external steam complementary power generation equipment shown in Fig. 1, except that its solar steam generating device is slightly changed, and it is composed of several sets of solar vacuum polymerization.
  • the heat pipe 13' is composed of a grooved parabolic mirror 14' matched thereto, and the output end of the solar vacuum heat collecting pipe 13' is connected to the high pressure steam inlet 3 of the steam turbine unit 2 through the fifth switching valve 17 and the first regulating valve 18, solar vacuum
  • the input end of the heat collecting tube 13' is connected to the output of the feed water pump 7 via a first switching valve 16.
  • the working processes of the two types of solar energy and the external steam complementary power generation equipment are basically the same, and will not be described here.
  • the solar energy and external steam complementary power generation equipment shown in Fig. 4 has the same structure as the solar energy and external steam complementary power generation equipment shown in Fig. 2, except that its solar steam generating device is slightly changed, and it is composed of several sets of solar vacuum polymerization.
  • the heat pipe 13' is composed of a grooved parabolic mirror 14' matched thereto, and the output end of the solar vacuum heat collecting pipe 13' is connected to the heat medium inlet of the heat storage heat exchanger 12 through the fifth switching valve 17, and the heat storage heat exchanger 12 The heat medium outlet is connected to the input end of the solar vacuum heat collecting tube 13' through the hydrothermal pump 10.
  • the steam output end of the heat storage heat exchanger 12 is connected to the high pressure steam inlet 3 of the steam turbine unit 2 via a first regulating valve 18, and the circulating water input end of the heat storage heat exchanger 12 passes through the output of the first switching valve 16 and the feed water pump 7. Connected to the end.
  • the working processes of these two types of solar energy and external steam complementary power generation equipment are also basically the same, and will not be repeated here.

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Abstract

一种太阳能与外源蒸汽互补发电设备，包括太阳能蒸汽发生装置、外源蒸汽调节器（15）、汽轮机组（2）和发电机（1）。太阳能蒸汽发生装置的蒸汽输出端通过第一调节阀（18）与汽轮机组（2）的高压蒸汽入口（3）相连，外源蒸汽调节器（15）的蒸汽输出端通过第二调节阀（20）和第二开关阀（19）也与汽轮机组（2）的高压蒸汽入口（3）相连。汽轮机组（2）的低压蒸汽出口（4）依次通过冷凝器（5）、除氧器（6）、给水泵（7）、第一开关阀（16）与太阳能蒸汽发生装置的循环水输入端相连。给水泵（7）的输出端还通过第四开关阀（23）与外源蒸汽回水旁路（11）相连。

Description

太阳能与外源蒸汽互补发电设备 技术领域
本发明涉及清洁能源发电设备， 具体地指一种太阳能与外源蒸汽互补发电设备。 背景技术
目前， 随着煤、 石油、 天然气等传统化石能源储量的日益减少， 寻找可再生的清洁 能源已成为社会普遍关注的焦点。 另一方面， 由于使用化石能源带来的环境污染直接威 胁人类的生存和发展， 因此重视和发展可再生的清洁能源、减少 S02和 C02排放已成为各 国政府的共识。 太阳能具有分布广泛、 储量无限、 收集利用清洁、 so2和 C02零排放等优 点， 但由于其能量较为分散、 受天气影响较大、 能量汇集不稳定不连续等问题， 长期以 来太阳能聚热发电的大规模开发利用受到了很大的限制。 现代大工业生产中， 会有相当 多的副产物废热蒸汽， 这些废热蒸汽的利用率极低。 如何将这些废热蒸汽与太阳能聚热 发电结合起来， 一直是本领域科研人员亟待解决的难题。 发明内容
本发明的目的就是要充分利用大工业产生的废热蒸汽资源， 克服已知太阳能热电站 受天气影响较大、 能量汇集不稳定、 不连续的缺陷， 提供一种太阳能与外源蒸汽互补发 电设备。
为实现上述目的， 本发明所设计的太阳能与外源蒸汽互补发电设备， 包括太阳能蒸 汽发生装置、 外源蒸汽调节器、 汽轮机组、 以及与汽轮机组联动的发电机。 所述太阳能 蒸汽发生装置的蒸汽输出端通过第一调节阀与汽轮机组的高压蒸汽入口相连， 所述外源 蒸汽调节器的蒸汽输出端通过第二调节阀和第二开关阀也与汽轮机组的高压蒸汽入口相 连。 所述外源蒸汽调节器的设置是为了改变外源蒸汽的工况， 使其压力、 温度等参数值 满足汽轮机组的运行要求。 根据不同的蒸汽工况， 外源蒸汽调节器可以是减温减压器， 也可以是升温升压器。 所述汽轮机组的低压蒸汽出口与冷凝器的输入端相连， 所述冷凝 器的输出端与除氧器的输入端相连， 所述除氧器的输出端与给水泵的输入端相连， 用以 脱除循环水中的氧气， 防止设备及管路氧化腐蚀。 所述给水泵的输出端通过第一开关阀 与太阳能蒸汽发生装置的循环水输入端相连，由此构成太阳能蒸汽发生装置的循环回路。 所述给水泵的输出端还通过第四开关阀与外源蒸汽回水旁路相连， 由此构成外源蒸汽做 功的循环回路。
进一步地， 上述太阳能与外源蒸汽互补发电设备还包括软水储罐， 所述软水储罐的 出水口通过补水泵与除氧器的补水口相连， 所述软水储罐的出水口与除氧器的补水口之 间的管路上设置有第三调节阀和第三开关阀， 由此构成太阳能蒸汽发生装置的循环水储 备与补充系统。 所述软水储罐用于储备来自化学水处理装置制备好的软水， 这种软水脱 除了其中的钙、 镁离子， 可有效防止设备内部结垢； 所述第三调节阀和第三开关阀用于 控制软水的供给及流量大小， 以根据实际情况补充循环水的损失。
更进一步地， 所述汽轮机组的高压蒸汽入口处管路上设置有压力计和温度计。 设置 压力计和温度计的目的是为了直观控制输入汽轮机组的蒸汽压力及温度， 满足汽轮机组 的运行要求。
作为优选方案之一， 所述太阳能蒸汽发生装置包括一个塔顶太阳能锅炉和若干个与 其匹配的定日反射镜， 所述塔顶太阳能锅炉的聚热管输出端通过第一调节阀与汽轮机组 的高压蒸汽入口相连， 所述塔顶太阳能锅炉的聚热管输入端通过第一开关阀与给水泵的 输出端相连。 此时， 塔顶太阳能锅炉内的导热介质为水， 无需其他换热设备， 水直接汽 化成高温高压蒸汽后对汽轮机组做功， 其结构简单、 成本低廉。
作为优选方案之二， 所述太阳能蒸汽发生装置包括一个塔顶太阳能锅炉和若干个与 其匹配的定日反射镜， 所述塔顶太阳能锅炉的聚热管输出端通过第五开关阀与蓄热换热 器的热介质进口相连， 所述蓄热换热器的热介质出口通过热液泵与塔顶太阳能锅炉的聚 热管输入端相连； 所述蓄热换热器的蒸汽输出端通过第一调节阀与汽轮机组的高压蒸汽 入口相连， 所述蓄热换热器的循环水输入端通过第一开关阀与给水泵的输出端相连。 此 时， 塔顶太阳能锅炉内的导热介质采用高温导热油等， 可以是重油、 石腊、 熔融盐、 或 其它已知的液态导热混合物， 如用联苯和联苯醚混合液的加热温度可达 400°C。 吸收了 太阳能的高温导热介质再通过蓄热换热器将热量传递给水， 水被汽化成高温高压蒸汽后 对汽轮机组做功， 其运行稳定， 安全可靠。
作为优选方案之三， 所述太阳能蒸汽发生装置包括若干组聚光集热效果更好的太阳 能真空聚热管和与其匹配的槽型抛物面反射镜， 所述太阳能真空聚热管的输出端通过第 一调节阀与汽轮机组的高压蒸汽入口相连， 所述太阳能真空聚热管的输入端通过第一开 关阀与给水泵的输出端相连。 此时， 太阳能真空聚热管内的导热介质为水， 无需其他换 热设备， 水直接汽化成高温高压蒸汽后对汽轮机组做功， 其结构简单、 成本低廉。
作为优选方案之四， 所述太阳能蒸汽发生装置包括若干组聚光集热效果更好的太阳 能真空聚热管和与其匹配的槽型抛物面反射镜， 所述太阳能真空聚热管的输出端通过第 五开关阀与蓄热换热器的热介质进口相连， 所述蓄热换热器的热介质出口通过热液泵与 太阳能真空聚热管的输入端相连； 所述蓄热换热器的蒸汽输出端通过第一调节阀与汽轮 机组的高压蒸汽入口相连， 所述蓄热换热器的循环水输入端通过第一开关阀与给水泵的 输出端相连。 此时， 太阳能真空聚热管内的导热介质采用高温导热油等， 可以是重油、 石腊、 熔融盐、 或其它已知的液态导热混合物， 如用联苯和联苯醚混合液的加热温度可 达 400°C。 吸收了太阳能的高温导热介质再通过蓄热换热器将热量传递给水， 水被汽化 成高温高压蒸汽后对汽轮机组做功， 其运行稳定， 安全可靠。
本发明的工作原理简述如下： 在白天日照充分时， 关闭第二开关阀和第四开关阀， 开启第一开关阀门， 此时太阳能蒸汽发生装置处于运行状态， 太阳能蒸汽发生装置所产 生的高温高压蒸汽经过第一调节阀调整达到汽轮机组额定的压力和温度后， 进入汽轮机 组做功， 驱动发电机发电； 做功后的蒸汽经过冷凝器冷却成常压低温水， 然后经过除氧 器脱除其中的氧份，再经过给水泵、第一开关阀输送到太阳能蒸汽发生装置中继续循环。 当需要补充循环水时， 开启第三开关阀， 通过补水泵将软水储罐中的软水抽吸到除氧器 中， 而第三调节阀用于控制循环水的补入量。
当夜晚来临或阴雨天气时， 关闭第一开关阀门， 并使第一调节阀处于零位， 开启第 二开关阀和第四开关阀， 此时外源蒸汽处于导通状态， 从现代大工业产生区输送而来的 废热蒸汽通过外源蒸汽调节器和第二调节阀的共同作用， 达到汽轮机组额定的压力和温 度后， 由第二开关阀进入汽轮机组做功， 驱动发电机发电； 做功后的蒸汽经过冷凝器冷 却成常压低温水， 然后经过除氧器脱除其中的氧份， 再经过给水泵、 第四开关阀输送到 外源蒸汽回水旁路， 完成外源蒸汽做功的循环。
本发明的优点在于： 所设计发电设备的蒸汽热动力既来自于干净、 清洁、 可再生的 太阳能， 又来自于现代大工业的副产物废热蒸汽。 与传统的化石能源发电相比， 既不排 放 S02和 C02污染大气，又充分收集利用了废热资源，还平抑了天气对太阳能的波动影响， 使汽轮发电机组无论白天黑夜、 无论晴天阴天均可二十四小时全天侯稳定运转发电。 附图说明
图 1为实施例 1所述太阳能与外源蒸汽互补发电设备的结构示意图。 其中： 与定日 反射镜相匹配的塔顶太阳能锅炉直接提供用于汽轮机组的蒸汽。
图 2为实施例 2所述太阳能与外源蒸汽互补发电设备的结构示意图。 其中： 与定日 反射镜相匹配的塔顶太阳能锅炉通过换热间接为汽轮机组提供蒸汽。
图 3为实施例 3所述太阳能与外源蒸汽互补发电设备的结构示意图。 其中： 与槽型 抛物面反射镜相匹配的太阳能真空聚热管直接提供用于汽轮机组的蒸汽。
图 4为实施例 4所述太阳能与外源蒸汽互补发电设备的结构示意图。 其中： 与槽型 抛物面反射镜相匹配的太阳能真空聚热管通过换热间接为汽轮机组提供蒸汽。 具体实施方式
以下结合附图和具体实施例对本发明作进一步的详细描述。
实施例 1:
如图 1所示的太阳能与外源蒸汽互补发电设备， 主要由太阳能蒸汽发生装置、 外源 蒸汽调节器 15、 汽轮机组 2、 与汽轮机组 2联动的发电机 1、 冷凝器 5、 除氧器 6、 给水 泵 7、 软水储罐 9和补水泵 8等装置通过管路和阀门组合而成。 阀门包括第一至第五开 关阀 16、 19、 21、 23、 17， 用以控制管路的通断； 第一至第三调节阀 18、 20、 22, 用以 调节管路的流量。
所述太阳能蒸汽发生装置具有一个塔顶太阳能锅炉 13 和若干个与其匹配的定日反 射镜 14， 定日反射镜 14可在白天跟踪太阳， 使阳光始终聚射到太阳能锅炉 13的聚热管 上。塔顶太阳能锅炉 13的聚热管输出端通过第五开关阀 17和第一调节阀 18与汽轮机组 2的高压蒸汽入口 3相连， 外源蒸汽调节器 15的蒸汽输出端通过第二调节阀 20和第二 开关阀 19也与汽轮机组 2的高压蒸汽入口 3相连， 且在汽轮机组 2的高压蒸汽入口 3 处管路上安装有压力计 P和温度计 T， 用以直观显示蒸汽的压力和温度参数。
汽轮机组 2的低压蒸汽出口 4与冷凝器 5的输入端相连， 冷凝器 5的输出端与除氧 器 6的输入端相连。 软水储罐 9的出水口通过补水泵 8与除氧器 6的补水口相连， 第三 调节阀 22和第三开关阀 21设置在软水储罐 9的出水口与除氧器 6的补水口之间的管路 上， 用以控制补水管路的开闭和补水量的多少。 除氧器 6的输出端与给水泵 7的输入端 相连，给水泵 7的输出端通过第一开关阀 16与塔顶太阳能锅炉 13的聚热管输入端相连， 构成太阳能蒸汽发生装置的循环回路。给水泵 7的输出端还通过第四开关阀 23与外源蒸 汽回水旁路 11相连， 构成外源蒸汽做功的循环回路。
实施例 1的工作过程是这样的： 白天阳光充足时，关闭第二开关阀 19和第四开关阀 23， 开启第一开关阀 16、 第三开关阀 21和第五开关阀 17， 系统处于太阳能聚热发电运 行状态。 此时， 定日反射镜 14跟踪阳光， 并将阳光热能聚集到塔顶太阳能锅炉 13的聚 热管上， 使其中的循环水受热形成高温高压蒸汽。 高温高压蒸汽从塔顶太阳能锅炉 13 的聚热管中输出， 通过第一调节阀 18 调整到额定的压力和温度后， 输送到汽轮机组 2 中做功发电。做功后的蒸汽经冷凝器 5冷却成 40°C左右的常压低温水， 输往除氧器 6中 脱除水中溶解的氧气，再由给水泵 7送回到塔顶太阳能锅炉 13的聚热管中，开始下一轮 循环。 与此同时， 另行采集的地表水或井水初步净化后， 再经过化学水处理车间脱除其 中的钙、 镁离子， 输送至软水储罐 9备用。 需要补水时， 软水由补水泵 8抽吸， 并通过 第三调节阀 22控制流量， 送入除氧器 6中补充水损失量。
晚上或阴雨天气时， 关闭第一开关阀 16、 第三开关阀 21和第五开关阀 17， 并使第 一调节阀 18和第三调节阀 22处于零位， 开启第二开关阀 19和第四开关阀 23， 系统处 于外源蒸汽发电运行状态。 此时， 从外界输送而来的废热蒸汽进入外源蒸汽调节器 15， 根据废热蒸汽的实际工况对其减温减压或升温升压，再由第二调节阀 20细化调整到额定 的压力和温度后， 输送到汽轮机组 2中做功发电。 做功后的蒸汽经冷凝器 5冷却成 40°C 左右的常压低温水， 输往除氧器 6中脱除水中溶解的氧气， 再由给水泵 7经外源蒸汽回 水旁路 11返回废热蒸汽源头， 或输往软化水罐储存回用。
实施例 2:
如图 2所示的太阳能与外源蒸汽互补发电设备， 主要由太阳能蒸汽发生装置、 外源 蒸汽调节器 15、 汽轮机组 2、 与汽轮机组 2联动的发电机 1、 冷凝器 5、 除氧器 6、 给水 泵 7、 软水储罐 9和补水泵 8等装置通过管路和阀门组合而成。 阀门包括第一至第五开 关阀 16、 19、 21、 23、 17， 用以控制管路的通断； 第一至第三调节阀 18、 20、 22, 用以 所述太阳能蒸汽发生装置具有一个塔顶太阳能锅炉 13 和若干个与其匹配的定日反 射镜 14， 定日反射镜 14可在白天跟踪太阳， 使阳光始终聚射到太阳能锅炉 13的聚热管 上。塔顶太阳能锅炉 13的聚热管输出端通过第五开关阀 17与蓄热换热器 12的热介质进 口相连，蓄热换热器 12的热介质出口通过热液泵 10与塔顶太阳能锅炉 13的聚热管输入 端相连， 热介质采用联苯和联苯醚混合液， 充满在设有保温层的蓄热换热器 12中， 其吸 热升温可达到 40CTC左右， 足以用来热交换产生高温高压蒸汽。 蓄热换热器 12的蒸汽输 出端通过第一调节阀 18与汽轮机组 2的高压蒸汽入口 3相连， 外源蒸汽调节器 15的蒸 汽输出端通过第二调节阀 20和第二开关阀 19也与汽轮机组 2的高压蒸汽入口 3相连， 且在汽轮机组 2的高压蒸汽入口 3处管路上安装有压力计 P和温度计 T， 用以直观显示 蒸汽的压力和温度参数。
汽轮机组 2的低压蒸汽出口 4与冷凝器 5的输入端相连， 冷凝器 5的输出端与除氧 器 6的输入端相连。 软水储罐 9的出水口通过补水泵 8与除氧器 6的补水口相连， 第三 调节阀 22和第三开关阀 21设置在软水储罐 9的出水口与除氧器 6的补水口之间的管路 上， 用以控制补水管路的开闭和补水量的多少。 除氧器 6的输出端与给水泵 7的输入端 相连， 给水泵 7的输出端通过第一开关阀 16与蓄热换热器 12的循环水输入端相连， 构 成太阳能蒸汽发生装置的循环回路。给水泵 7的输出端还通过第四开关阀 23与外源蒸汽 回水旁路 11相连， 构成外源蒸汽做功的循环回路。
实施例 2的工作过程是这样的： 白天阳光充足时，关闭第二开关阀 19和第四开关阀 23， 开启第一开关阀 16、 第三开关阀 21和第五开关阀 17， 系统处于太阳能聚热发电运 行状态。 此时， 定日反射镜 14跟踪阳光， 并将阳光热能聚集到塔顶太阳能锅炉 13的聚 热管上，使其中的热介质联苯和联苯醚混合液吸热升温， 40CTC左右的高温联苯和联苯醚 混合液通过第五开关阀 17进入蓄热换热器 12中，与蓄热换热器 12中另一管路内的循环 水发生热交换，联苯和联苯醚混合液的温度逐步降低，从蓄热换热器 12出来时已降低到 245°C左右，再在热液泵 10的驱动下重新送回到塔顶太阳能锅炉 13的聚热管中，开始下 一轮吸收太阳能的循环。 而蓄热换热器 12 中的循环水与高温联苯和联苯醚混合液换热 后， 形成高温高压蒸汽。 高温高压蒸汽从蓄热换热器 12中输出， 通过第一调节阀 18调 整到额定的压力和温度后， 输送到汽轮机组 2中做功发电。 做功后的蒸汽经冷凝器 5冷 却成 40°C左右的常压低温水， 输往除氧器 6中脱除水中溶解的氧气， 再由给水泵 7送回 到蓄热换热器 12中进行换热， 重新形成高温高压蒸汽。与此同时， 另行采集的地表水或 井水初步净化后， 再经过化学水处理车间脱除其中的钙、 镁离子， 输送至软水储罐 9备 用。 需要补水时， 软水由补水泵 8抽吸， 并通过第三调节阀 22控制流量， 送入除氧器 6 中补充水损失量。
晚上或阴雨天气时， 关闭第一开关阀 16、 第三开关阀 21和第五开关阀 17， 并使第 一调节阀 18和第三调节阀 22处于零位， 开启第二开关阀 19和第四开关阀 23， 系统处 于外源蒸汽发电运行状态。 此时， 从外界输送而来的废热蒸汽进入外源蒸汽外源蒸汽调 节器 15， 根据废热蒸汽的实际工况对其减温减压或升温升压， 再由第二调节阀 20细化 调整到额定的压力和温度后， 输送到汽轮机组 2中做功发电。 做功后的蒸汽经冷凝器 5 冷却成 40°C左右的常压低温水， 输往除氧器 6中脱除水中溶解的氧气， 再由给水泵 7经 外源蒸汽回水旁路 11返回废热蒸汽源头， 或输往软化水罐储存回用。
实施例 3:
如图 3所示的太阳能与外源蒸汽互补发电设备， 其结构与图 1所示太阳能与外源蒸 汽互补发电设备基本相同， 只是其太阳能蒸汽发生装置稍有改变， 它由若干组太阳能真 空聚热管 13 ' 和与其匹配的槽型抛物面反射镜 14' 组成， 太阳能真空聚热管 13 ' 的输 出端通过第五开关阀 17和第一调节阀 18与汽轮机组 2的高压蒸汽入口 3相连， 太阳能 真空聚热管 13 ' 的输入端通过第一开关阀 16与给水泵 7的输出端相连。 这两种太阳能 与外源蒸汽互补发电设备的工作过程基本一致， 于此不再赘述。
实施例 4:
如图 4所示的太阳能与外源蒸汽互补发电设备， 其结构与图 2所示太阳能与外源蒸 汽互补发电设备基本相同， 只是其太阳能蒸汽发生装置稍有改变， 它由若干组太阳能真 空聚热管 13 ' 和与其匹配的槽型抛物面反射镜 14' 组成， 太阳能真空聚热管 13 ' 的输 出端通过第五开关阀 17与蓄热换热器 12的热介质进口相连，蓄热换热器 12的热介质出 口通过热液泵 10与太阳能真空聚热管 13 ' 的输入端相连。 蓄热换热器 12的蒸汽输出端 通过第一调节阀 18与汽轮机组 2的高压蒸汽入口 3相连， 蓄热换热器 12的循环水输入 端通过第一开关阀 16与给水泵 7的输出端相连。这两种太阳能与外源蒸汽互补发电设备 的工作过程也基本一致， 于此不再复述。

Claims

权利要求书
1、一种太阳能与外源蒸汽互补发电设备， 包括太阳能蒸汽发生装置、外源蒸汽调节 器 （15) 、 汽轮机组 （2) 、 以及与汽轮机组 （2) 联动的发电机 （1 ) ， 其特征在于： 所 述太阳能蒸汽发生装置的蒸汽输出端通过第一调节阀（18)与汽轮机组（2)的高压蒸汽 入口 （3)相连， 所述外源蒸汽调节器（15) 的蒸汽输出端通过第二调节阀 （20)和第二 开关阀 （19)也与汽轮机组 （2) 的高压蒸汽入口 （3)相连； 所述汽轮机组 （2) 的低压 蒸汽出口 （4) 与冷凝器 （5) 的输入端相连， 所述冷凝器 （5) 的输出端与除氧器 （6) 的输入端相连， 所述除氧器（6)的输出端与给水泵（7)的输入端相连， 所述给水泵（7) 的输出端通过第一开关阀 （16) 与太阳能蒸汽发生装置的循环水输入端相连， 所述给水 泵 （7) 的输出端还通过第四开关阀 （23) 与外源蒸汽回水旁路 （11 ) 相连。
2、根据权利要求 1所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 它还包括 软水储罐 （9) ， 所述软水储罐 （9) 的出水口通过补水泵 （8) 与除氧器 （6) 的补水口 相连， 所述软水储罐 （9) 的出水口与除氧器 （6) 的补水口之间的管路上设置有第三调 节阀 （22) 和第三开关阀 （21 ) 。
3、根据权利要求 2所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 所述汽轮 机组 （2) 的高压蒸汽入口 （3) 处管路上设置有压力计 （P) 和温度计 （T) 。
4、 根据权利要求 1或 2或 3所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 所述太阳能蒸汽发生装置包括一个塔顶太阳能锅炉 （13) 和若干个与其匹配的定日反射 镜 （14) ， 所述塔顶太阳能锅炉 （13) 的聚热管输出端通过第一调节阀 （18) 与汽轮机 组 （2) 的高压蒸汽入口 （3) 相连， 所述塔顶太阳能锅炉 （13) 的聚热管输入端通过第 一开关阀 （16) 与给水泵 （7) 的输出端相连。
5、 根据权利要求 1或 2或 3所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 所述太阳能蒸汽发生装置包括一个塔顶太阳能锅炉 （13) 和若干个与其匹配的定日反射 镜 （14) ， 所述塔顶太阳能锅炉 （13) 的聚热管输出端通过第五开关阀 （17) 与蓄热换 热器 （12) 的热介质进口相连， 所述蓄热换热器 （12) 的热介质出口通过热液泵 （10) 与塔顶太阳能锅炉 （13) 的聚热管输入端相连； 所述蓄热换热器 （12) 的蒸汽输出端通 过第一调节阀 （18)与汽轮机组 （2) 的高压蒸汽入口 （3)相连， 所述蓄热换热器（12) 的循环水输入端通过第一开关阀 （16) 与给水泵 （7) 的输出端相连。
6、 根据权利要求 1或 2或 3所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 所述太阳能蒸汽发生装置包括若干组太阳能真空聚热管 （13 ' ) 和与其匹配的槽型抛物 面反射镜 （14' ) ， 所述太阳能真空聚热管 （13 ' ) 的输出端通过第一调节阀 （18) 与 汽轮机组 （2) 的高压蒸汽入口 （3) 相连， 所述太阳能真空聚热管 （13 ' ) 的输入端通 过第一开关阀 （16) 与给水泵 （7) 的输出端相连。
7、 根据权利要求 1或 2或 3所述的太阳能与外源蒸汽互补发电设备， 其特征在于： 所述太阳能蒸汽发生装置包括若干组太阳能真空聚热管 （13 ' ) 和与其匹配的槽型抛物 面反射镜 （14' ) ， 所述太阳能真空聚热管 （13 ' ) 的输出端通过第五开关阀 （17) 与 蓄热换热器 （12) 的热介质进口相连， 所述蓄热换热器 （12) 的热介质出口通过热液泵
( 10) 与太阳能真空聚热管 （13 ' ) 的输入端相连； 所述蓄热换热器 （12) 的蒸汽输出 端通过第一调节阀 （18) 与汽轮机组 （2) 的高压蒸汽入口 （3) 相连， 所述蓄热换热器 ( 12) 的循环水输入端通过第一开关阀 （16) 与给水泵 （7) 的输出端相连。
PCT/CN2012/083116 2011-12-12 2012-10-18 太阳能与外源蒸汽互补发电设备 WO2013086895A1 (zh)

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DK12858668.2T DK2801723T3 (en) 2011-12-12 2012-10-18 APPARATUS FOR COMBINED SOLAR ENERGY AND VAPOR GENERATION FROM AN EXTERNAL SOURCE
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RU2015109761/06A RU2602708C2 (ru) 2011-12-12 2012-10-18 Устройство генерации солнечной энергии и внешний паровой источник дополнительной электроэнергии
MX2014006972A MX345149B (es) 2011-12-12 2012-10-18 Aparato de generación de energía, por energía solar y vapor de fuente externa complementario.
CA2860836A CA2860836A1 (en) 2011-12-12 2012-10-18 Solar energy and external source steam complementary power generation apparatus
JP2014546290A JP5919390B2 (ja) 2011-12-12 2012-10-18 太陽エネルギおよび外部蒸気ハイブリッド型発電装置
KR1020147016364A KR101561978B1 (ko) 2011-12-12 2012-10-18 태양 에너지와 외부 스팀의 상보적 발전 장치
AU2012350645A AU2012350645B2 (en) 2011-12-12 2012-10-18 Solar energy and external source steam complementary power generation apparatus
BR112014014312A BR112014014312A2 (pt) 2011-12-12 2012-10-18 aparelho de geração de energia complementar de energia solar e de vapor proveniente de uma fonte externa
US14/302,419 US9841008B2 (en) 2011-12-12 2014-06-11 Solar and steam hybrid power generation system
ZA2014/05001A ZA201405001B (en) 2011-12-12 2014-07-09 Solar energy and external source steam complementary power generation apparatus
HRP20171933TT HRP20171933T1 (hr) 2011-12-12 2017-12-13 Dopunski uređaj za generiranje električne energije na solarnu energiju i paru iz vanjskog izvora

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JP2015501904A (ja) 2015-01-19
BR112014014312A2 (pt) 2017-06-13
AP4020A (en) 2017-01-29
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CA2860836A1 (en) 2013-06-20
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RU2015109761A (ru) 2016-10-10
KR20140079874A (ko) 2014-06-27
SI2801723T1 (en) 2018-04-30
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AP2014007777A0 (en) 2014-07-31
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US20140290246A1 (en) 2014-10-02

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