CN201916138U - Cogeneration device driven by solar energy - Google Patents

Cogeneration device driven by solar energy Download PDF

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Publication number
CN201916138U
CN201916138U CN2011200011031U CN201120001103U CN201916138U CN 201916138 U CN201916138 U CN 201916138U CN 2011200011031 U CN2011200011031 U CN 2011200011031U CN 201120001103 U CN201120001103 U CN 201120001103U CN 201916138 U CN201916138 U CN 201916138U
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China
Prior art keywords
condenser
working medium
outlet
solar
evaporator
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Expired - Lifetime
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CN2011200011031U
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Chinese (zh)
Inventor
张小松
宋建忠
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Southeast University
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Southeast University
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Priority to CN2011200011031U priority Critical patent/CN201916138U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Abstract

The utility model discloses a cogeneration device driven by solar energy, which mainly comprises a solar heat collecting device, a steam turbine or an expander, a power generator, a condenser, a gas-liquid separator, a heat regenerator, a condensing evaporator, an evaporator and a working medium pump, wherein an outlet of the solar heat collecting device is connected with the steam turbine or the expander which is connected with an engine; a steam outlet of the steam turbine or the expander is sequentially connected with the condenser and the gas-liquid separator; a liquid outlet of the gas-liquid separator is sequentially connected with the heat regenerator, the condensing evaporator and the working medium pump; a steam outlet of the gas-liquid separator is sequentially connected with the condensing evaporator, the evaporator, the heat regenerator and the working medium pump; and finally, an outlet of the working medium pump is connected with an inlet of the solar heat collecting device to form a cycle. According to the cogeneration device disclosed by the utility model, the utilization rate of the collected solar energy can be greatly improved, the comprehensive efficiency is improved and the area of a heat collector can be effectively reduced.

Description

A kind of combined supply apparatus of Driven by Solar Energy
Technical field
The utility model relates to a kind of combined supply apparatus of Driven by Solar Energy.
Background technique
Solar energy is as a kind of important energy source in the renewable and clean energy resource, and is inexhaustible, and its development and use are subjected to increasing attention.Conventional utilization for solar energy mainly concentrates in domestic hot-water's the application, and more and more at present attentions are put in solar electrical energy generation and the compound utilization.Comprise photothermal power generation and photovoltaic generation for solar electrical energy generation, the two respectively has certain application market.Utilize solar thermal collector to collect solar energy in the solar light-heat power-generation and be used for Heating Cyclic working medium---conduction oil.Conduction oil has the advantages that thermal capacity is big, the capacity of heat transmission is strong, boiling point is high, and with the water comparison of routine, working pressure is relatively low, has good practicability.In middle low-temperature solar energy power field, organic working medium can obtain high pressure owing to have lower boiling characteristic under middle cryogenic conditions, thereby utilizes steam turbine or decompressor etc. to carry out energy output, changes into electric energy then.(be lower than 300 ℃) in the low temperature range in heat source temperature is in, comparing with the water vapour Rankine cycle of routine has high energy utilization rate.In existing technology or device, the heat energy ratio that transforms into mechanical energy in the solar energy is limited, wherein having greatly, energy is directly externally distributed and utilization not yet in effect by condenser, environment is caused certain thermo-pollution, if and hot part heat is used for the thermal source of hot water, can realize the cascade utilization of heat energy; Most system is single electric energy output simultaneously, and whole efficient is not high.
The model utility content
The model utility purpose: the purpose of this utility model is to provide a kind of can efficiently utilize solar energy, with the solar energy of collecting be used to the generate electricity combined supply apparatus of Driven by Solar Energy that cold is provided simultaneously.
Technological scheme: the combined supply apparatus of a kind of Driven by Solar Energy described in the utility model, mainly by solar heat collector, steam turbine or decompressor, generator, condenser, gas-liquid separator, regenerator, condenser/evaporator, vaporizer and working medium pump are formed, the outlet of described solar heat collector is connected with described steam turbine or decompressor, described steam turbine or decompressor are connected with described motor, the steam (vapor) outlet of described steam turbine or decompressor and described condenser, gas-liquid separator connects successively, the liquid outlet of described gas-liquid separator successively with described regenerator, condenser/evaporator is connected with working medium pump, the steam (vapor) outlet of described gas-liquid separator successively with condenser/evaporator, vaporizer, regenerator is connected with working medium pump, last described working medium delivery side of pump is connected with the import of described solar heat collector, constitutes a circulation.
A kind of preferred version of the present utility model is: described solar heat collector is linked in sequence successively by Heat-transfer Oil Pump, solar thermal collector and heat exchanger and constitutes a circulation means, described heat exchanger import be connected with described working medium pump, the outlet of described heat exchanger is connected with described steam turbine or decompressor.Control is provided with the first throttle valve between described regenerator and the described condenser/evaporator for convenience; Be provided with second throttle valve between described condenser/evaporator and the described vaporizer.In solar heat collector, the carrier that adopts conduction oil to be used for heat as cycle fluid carries out heat exchange with the low boiling mixed working fluid that the solar energy that absorbs is transported to heat exchanger and another circulation, mixed working fluid becomes pressurized gas after absorbing heat, pushing turbine or decompressor acting drive generator output electric energy.The mixed working fluid of pressure of mediating after the expansion becomes gas-liquid mixture through condenser, and the liquid part is successively through being pressed and delivered to heat exchanger by working medium pump after regenerator, throttle valve and the condenser/evaporator.Gas part working medium then is cooled through condenser/evaporator earlier, then through throttle valve decompression cooling, the working medium that at this time is in the low-temp low-pressure state enters vaporizer and is used to produce certain cold, final this part working medium is mixed with another part working medium before working medium pump after heating up through regenerator, enter working medium pump together, form whole circulation.
Another kind of scheme of the present utility model is: described solar heat collector directly is solar thermal collector, the import of described solar thermal collector is connected with described working medium pump, the outlet of described solar thermal collector is connected with described steam turbine or decompressor, directly mixed working fluid is fed heat collector absorption solar energy and circulates.
In order further to utilize heat, the cooling medium in the described condenser is a water, the thermal source of heat of condensation as hot water can be used.
The utility model compared with prior art, its beneficial effect is: 1, the utility model device can significantly promote collected solar energy utilization rate, and overall efficiency gets a promotion, and can effectively reduce heat collector area; 2, adopt lower boiling mixed working fluid as cycle fluid, utilize the mixed working fluid phase transition process to have the temperature glide phenomenon, can improve the heat exchange effect so that the heat transfer temperature difference in the endothermic process and between thermal source effectively reduces; 3, the condenser in the device is used to cool off the working medium that expands and export, and this part heat can be used to obtain hot water under certain condition when adopting water as heat exchanging fluid.
Description of drawings
Fig. 1 is the utility model embodiment 1 an apparatus structure schematic representation.
Fig. 2 is the utility model embodiment 2 an apparatus structure schematic representation.
Embodiment
Below in conjunction with accompanying drawing, by a most preferred embodiment, technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
Embodiment 1: as shown in Figure 1, a kind of combined supply apparatus of Driven by Solar Energy mainly is made up of solar heat collector, steam turbine or decompressor 4, generator 5, condenser 6, gas-liquid separator 7, regenerator 8, first throttle valve 9, condenser/evaporator 10, second throttle valve 12, vaporizer 13 and working medium pump 11.Described solar heat collector is linked in sequence successively by Heat-transfer Oil Pump 1, solar thermal collector 2 and heat exchanger 3 and constitutes a circulation means.The outlet of described heat exchanger 3 is connected with described steam turbine or decompressor 4, described steam turbine or decompressor 4 are connected with described motor 5, the steam (vapor) outlet of described steam turbine or decompressor 4 and described condenser 6, gas-liquid separator 7 connects successively, the liquid outlet of described gas-liquid separator 7 successively with described regenerator 8, first throttle valve 9, condenser/evaporator 10 is connected with working medium pump 11, the steam (vapor) outlet of described gas-liquid separator 7 successively with condenser/evaporator 10, second throttle valve 12, vaporizer 13, regenerator 8 is connected with working medium pump 11, the outlet of last described working medium pump 11 is connected with the import of described heat exchanger 3, constitutes a circulation.
Adopt conduction oil as circulatory mediator in the solar heat collector, conduction oil enters heat collector 2 then earlier through Heat-transfer Oil Pump 1 in this circulation, is connected to heat exchanger 3 through pipeline and carries out heat exchange, returns the inlet of Heat-transfer Oil Pump 1 after the heat exchange.In another circulation, mixed working fluid after heating, forms high temperature and high pressure gas in heat exchanger, enters into the acting of expanding of steam turbine or decompressor 4, drives generator 5, and the condenser 6 of flowing through then is cooled into gas-liquid mixture arrival gas-liquid separator 7.The liquid part of mixed working fluid is connected with regenerator 8, throttle valve 9 and condenser/evaporator 10 successively through pipeline, finally is connected to working medium pump 11, through getting back to heat exchanger 3 after the pressurization.Gas part working medium then is cooled through condenser/evaporator 10 earlier, form the liquid of low temperature then by throttle valve 12 throttlings cooling, pass through vaporizer 13 and regenerator 8 then successively, mix with another part working medium before the inlet of working medium pump 11 through piping at last, enter working medium pump 11 at last together, thereby form whole circulation.When condenser 6, can be used the thermal source of heat of condensation as hot water during as cooling medium with water.
Embodiment: 2: as shown in Figure 2, a kind of combined supply apparatus of Driven by Solar Energy mainly is made up of solar thermal collector 2, steam turbine or decompressor 4, generator 5, condenser 6, gas-liquid separator 7, regenerator 8, first throttle valve 9, condenser/evaporator 10, second throttle valve 12, vaporizer 13 and working medium pump 11.The outlet of described solar thermal collector 2 is connected with described steam turbine or decompressor 4, described steam turbine or decompressor 4 are connected with described motor 5, the steam (vapor) outlet of described steam turbine or decompressor 4 and described condenser 6, gas-liquid separator 7 connects successively, the liquid outlet of described gas-liquid separator 7 successively with described regenerator 8, first throttle valve 9, condenser/evaporator 10 is connected with working medium pump 11, the steam (vapor) outlet of described gas-liquid separator 7 successively with condenser/evaporator 10, second throttle valve 12, vaporizer 13, regenerator 8 is connected with working medium pump 11, the outlet of last described working medium pump 11 is connected with the import of solar thermal collector 2, constitutes a circulation.
Adopt mixed working fluid as circulatory mediator, mixed working fluid after heating, forms high temperature and high pressure gas in solar thermal collector 2, enter into the acting of expanding of steam turbine or decompressor 4, drive generator 5, the condenser 6 of flowing through then is cooled into gas-liquid mixture and arrives gas-liquid separator 7.The liquid part of mixed working fluid is connected with regenerator 8, throttle valve 9 and condenser/evaporator 10 successively through pipeline, finally is connected to working medium pump 11, through getting back to solar thermal collector 2 after the pressurization.Gas part working medium then is cooled through condenser/evaporator 10 earlier, form the liquid of low temperature then by throttle valve 12 throttlings cooling, pass through vaporizer 13 and regenerator 8 then successively, mix with another part working medium before the inlet of working medium pump 11 through piping at last, enter working medium pump 11 at last together, thereby form whole circulation.When condenser 6, can be used the thermal source of heat of condensation as hot water during as cooling medium with water.
As mentioned above, although represented and explained the utility model that with reference to specific preferred embodiment it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make various variations in the form and details to it.

Claims (6)

1. the combined supply apparatus of a Driven by Solar Energy, it is characterized in that: mainly by solar heat collector, steam turbine or decompressor (4), generator (5), condenser (6), gas-liquid separator (7), regenerator (8), condenser/evaporator (10), vaporizer (13) and working medium pump (11) are formed, the outlet of described solar heat collector is connected with described steam turbine or decompressor (4), described steam turbine or decompressor (4) are connected with described motor (5), the steam (vapor) outlet of described steam turbine or decompressor (4) and described condenser (6), gas-liquid separator (7) connects successively, the liquid outlet of described gas-liquid separator (7) successively with described regenerator (8), condenser/evaporator (10) is connected with working medium pump (11), the steam (vapor) outlet of described gas-liquid separator (7) successively with condenser/evaporator (10), vaporizer (13), regenerator (8) is connected with working medium pump (11), the outlet of last described working medium pump (11) is connected with the import of described solar heat collector, constitutes a circulation.
2. the combined supply apparatus of Driven by Solar Energy according to claim 1, it is characterized in that: described solar heat collector is linked in sequence successively by Heat-transfer Oil Pump (1), solar thermal collector (2) and heat exchanger (3) and constitutes a circulation means, the import of (3) of described heat exchanger is connected with described working medium pump (11), and the outlet of described heat exchanger (3) is connected with described steam turbine or decompressor (4).
3. the combined supply apparatus of Driven by Solar Energy according to claim 1, it is characterized in that: described solar heat collector is solar thermal collector (2), the import of described solar thermal collector (2) is connected with described working medium pump (11), and the outlet of described solar thermal collector (2) is connected with described steam turbine or decompressor (4).
4. the combined supply apparatus of Driven by Solar Energy according to claim 1 is characterized in that: be provided with first throttle valve (9) between described regenerator (8) and the described condenser/evaporator (10).
5. the combined supply apparatus of Driven by Solar Energy according to claim 1 is characterized in that: be provided with second throttle valve (12) between described condenser/evaporator (10) and the described vaporizer (13).
6. the combined supply apparatus of Driven by Solar Energy according to claim 1, it is characterized in that: the cooling medium in the described condenser (6) is a water.
CN2011200011031U 2011-01-05 2011-01-05 Cogeneration device driven by solar energy Expired - Lifetime CN201916138U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094772A (en) * 2011-01-05 2011-06-15 东南大学 Solar energy-driven cogeneration device
CN106593797A (en) * 2016-10-20 2017-04-26 兰州理工大学 Automobile waste heat recycling thermodynamic cycle system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094772A (en) * 2011-01-05 2011-06-15 东南大学 Solar energy-driven cogeneration device
CN102094772B (en) * 2011-01-05 2013-02-13 东南大学 Solar energy-driven cogeneration device
CN106593797A (en) * 2016-10-20 2017-04-26 兰州理工大学 Automobile waste heat recycling thermodynamic cycle system

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Granted publication date: 20110803

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