CN204806706U - Solar thermal energy generating set - Google Patents
Solar thermal energy generating set Download PDFInfo
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- CN204806706U CN204806706U CN201520382240.2U CN201520382240U CN204806706U CN 204806706 U CN204806706 U CN 204806706U CN 201520382240 U CN201520382240 U CN 201520382240U CN 204806706 U CN204806706 U CN 204806706U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model provides a solar thermal energy generating set, include the solar energy collection unit: be used for solar energy collection to the heat energy that is solar energy transformation working medium, still include: the combustion engine unit: including gas turbine, be used for with the heat energy of working medium turns into kinetic energy drive generator and generates electricity, working medium is the air. The utility model provides a solar thermal energy generating set can utilize the advantage of the spotlight relative altitude of tower -type solar thermal power generation technique more fully.
Description
Technical field
The utility model relates to power field, particularly relates to a kind of solar thermal power plants.
Background technology
Solar energy thermal-power-generating is a kind of clean renewable energy power generation technology.Compared to wind-power electricity generation and photovoltaic generation, it is stable that solar heat power generation system makes electric energy export maintenance by configuration heat accumulation and conventional energy resource combustion-compensating device, improves power generating quality.When current energy worsening shortages, solar energy thermal-power-generating is the most possible new energy technology progressively substituting thermoelectricity, bear basic electric load.
Solar energy thermal-power-generating divides according to the type of skill and comprises slot type, tower, dish-style and linear Fresnel formula four kinds of type of skills.Wherein, tower technology focusing ratio is high, operating temperature is high, and therefore its generating efficiency is higher, and cost decline potentiality are large.Compared with the solar energy thermal-power-generating of other type of skill, the important directions that tower type solar energy thermal power generation will be solar energy thermal-power-generating development.
Conventional tower-type solar thermal power generating system, primarily of part compositions such as heliostat array, high tower, heat dump, heat transfer medium, heat exchanger, hold over system, control system and Turbo-generator Set.In tower-type solar thermal power generating system, heliostat group, centered by high tower, in fan-shaped or circle-shaped distribution, by solar light focusing to the heat dump be positioned on high tower, heats the heat transfer medium (working medium) in heat dump.Power section and the coal fired power plant of conventional tower-type solar thermal power generating system are similar, and high-temperature heat-transfer medium is for heating water generates steam, and steam enters Steam Turbine generating, and exhaust steam in steam turbine uses through condenser condenses Posterior circle.
The main advantage of tower type solar energy thermal power generation technology is that its focusing ratio is high, and usually between 200 ~ 700, therefore its working medium can be heated to more than 1000 DEG C.But under the tower-type solar thermal power generating system configuration of routine, adopt steam turbine power generation, working medium operating temperature is lower.The advantage that focusing ratio height brings also is underutilized.
Utility model content
In view of this, the utility model provides a kind of solar energy thermal-power-generating unit, can utilize the advantage that the focusing ratio of tower type solar energy thermal power generation technology is high more fully.
Based on the kind solar energy thermal-power-generating unit that above-mentioned purpose the utility model provides, comprising, for collecting solar energy, and converting solar energy into the solar energy heating unit of the heat energy of working medium; Described solar energy thermal-power-generating unit also comprises:
For driving generator to carry out the combustion engine unit generated electricity the conversion of heat into kinetic energy of described working medium: described combustion engine unit is connected with described solar energy heating unit, comprises gas turbine;
Described working medium is air.
Optionally, described solar energy thermal-power-generating unit also comprises:
For cool when described air enters described solar energy thermal-power-generating unit under imposing a condition first described air temperature, make described air enter the working medium receiving mechanism of solar electrical energy generation unit time temperature close under working medium receiving mechanism declared working condition receive the rated temperature Temperature of Working control unit of working medium: described temperature control unit is connected with solar energy heating unit.
Optionally, described working medium receiving mechanism is compressor; Described combustion engine unit comprises the compressor for the air in environment being inputted described solar energy heating unit, the air exported for utilizing solar energy heating unit produces for driving the mechanical energy of described generator and driving the air turbine of compressor, generator; Wherein,
Described compressor is connected with described solar energy heating unit and described air turbine;
Described air turbine is connected with described solar energy heating unit and described generator.
Optionally, described combustion engine unit also comprises: before inputting described solar energy heating unit for the air in described environment, realize the heat exchanger of the heat exchange of air that the waste gas of described air turbine discharge and described compressor are carried;
Described heat exchanger is arranged between described compressor and solar energy heating unit, is connected with compressor and solar energy heating unit.
Optionally, the power of described combustion engine unit is less than 10MW.
Optionally, described solar energy heating unit comprises: for absorbing solar heat, making it possible to utilize the solar heat absorber of described solar heat heating working medium, for solar heat being focused on the heliostat field of described solar heat absorber, high tower; Wherein:
Described solar heat absorber is arranged at described high top of tower;
Described heliostat field to be arranged at below described high tower and around described high tower.
Optionally, the heliostat in described heliostat field is less than setting value apart from the ultimate range of described solar heat absorber.
Optionally, described Temperature of Working control unit comprises for making refrigeration working medium produce the absorption cooling and warming water machine of cold needed for refrigeration, and the cold produced for utilizing absorption cooling and warming water machine is to cooling the air entering working medium receiving mechanism, making the charge air cooler of temperature when described air enters working medium receiving mechanism close to the temperature of the air received under working medium receiving mechanism declared working condition; Wherein:
Described absorption cooling and warming water machine is connected with described charge air cooler;
Described charge air cooler is arranged at the air entrance location place of compressor.
Optionally, described refrigeration working medium is water, described absorption cooling and warming water machine specifically comprises: for the solution pump by sending into generator after the lithium-bromide solution supercharging in absorber, bromize lithium dilute solution is heated for utilizing the heat entrained by the waste gas of combustion engine unit, thus separate out the generator of steam, steam for producing described generator carries out condensation, produce the condenser of liquid water, for carrying out the choke valve of step-down to the liquid water exported from described condenser, for what described choke valve was carried, the evaporimeter of the liquid water evaporation after step-down, and for absorbing the absorber of the steam that evaporimeter produces, wherein:
Described solution pump is connected with absorber and generator;
Described generator is connected with described combustion engine unit;
Described condenser is connected with described generator;
Described choke valve is connected with described condenser;
Described evaporimeter is connected with described choke valve, and it produces cold while producing steam evaporation, makes refrigeration working medium can carry described cold and enters charge air cooler;
Described absorber is connected with evaporimeter, and its steam absorbed mixes with the bromize lithium concentrated solution that generator produces, and bromize lithium dilute solution concentration is reduced.
As can be seen from above, the solar energy thermal-power-generating unit that the utility model provides, adopt air as working medium, substitute Rankine (Rankine) circulation of solar electrical energy generation in prior art with Brayton (Bo Langdeng) circulation, break through temperature limiting.According to thermodynamics general principle, the heat to power output efficiency of therrmodynamic system depends primarily on high/low temperature thermal source.Conventional tower type solar thermo-power station utilizes steam for working medium, and the circulation of its working medium is Rankine circulation.At present, owing to being subject to the restriction of material and technical elements, the highest Temperature of Working of ultra supercritical coal-fired unit is at about 600 DEG C.The utility model substitutes Rankine circulation with Brayton circulation, breaks through temperature limiting, effectively can play the advantage of tower type solar high concentration ratio.
Secondly, the solar energy thermal-power-generating unit of the utility model embodiment adopts the combustion engine unit that power output is less, realizes the distributed utilization of tower type solar thermoelectricity.The reduction of combustion engine unit power output makes photo-thermal power station to build in a modular manner and to run.Modularized design can realize designing fast, installing, and extensibility is strong.Each thermal-arrest tower can be safeguarded respectively, can improve the availability in whole power station.Because the installation scale of modularization tower system list tower is less, the distance of heliostat distance set thermal tower is farthest very near, thus lower to the control overflow of heliostat, the hot spot divergence problem of tower type solar heliostat field can be avoided, make the lifting of Temperature of Working more secure.
The solar energy thermal-power-generating unit of the utility model embodiment by the temperature of Temperature of Working control unit when the lower reduction working medium that imposes a condition enters solar energy thermal-power-generating unit, thus can improve the operating efficiency of air receiver mechanism.In a particular embodiment, described Temperature of Working control unit utilizes the waste heat of combustion engine unit institute waste air to freeze, and improves energy utilization rate.
Accompanying drawing explanation
Fig. 1 is the solar energy thermal-power-generating set structure schematic diagram of the utility model embodiment.
Detailed description of the invention
In order to provide effective implementation, the utility model provides following embodiment, is described the utility model embodiment below in conjunction with Figure of description.
First the utility model provides a kind of solar energy thermal-power-generating unit, and structure as shown in Figure 1, comprises, solar energy heating unit 101: for collecting solar energy, and converts solar energy into the heat energy of working medium; Also comprise:
Combustion engine unit 102: comprise gas-turbine, for driving generator to generate electricity the conversion of heat into kinetic energy of described working medium;
Described working medium is air.
In prior art, conventional tower type solar thermo-power station adopts Rankine circulation as its dynamical system, and working medium is steam.According to thermodynamics general principle, the heat to power output efficiency of therrmodynamic system depends primarily on high/low temperature thermal source.At present, owing to being subject to the restriction of material and technical elements, adopt steam as the highest Temperature of Working of the combustion engine unit of working medium at about 600 DEG C.The utility model adopts air as working medium, Brayton circulation is formed between combustion engine unit 102 and solar energy heating unit 101, because air can be heated to higher temperature compared with steam in combustion engine unit, therefore the temperature of working medium can increase substantially by solar electrical energy generation unit provided by the utility model, thus the high concentration ratio advantage of tower technology solar electrical energy generation unit can be brought into play more fully.
In a particular embodiment, described air comprises the air in general environment.
In the utility model specific embodiment, still with reference to Fig. 1, described solar energy thermal-power-generating unit also comprises:
Temperature of Working control unit 103: for first impose a condition the described air of lower cooling enter described solar energy thermal-power-generating unit time temperature, temperature when making described air enter the working medium receiving mechanism of solar electrical energy generation unit is close to the Temperature of Working under air receiver mechanism declared working condition.
The working medium that solar energy thermal-power-generating unit of the present utility model adopts is air, and air can obtain from environment, enters in environment after usage by waste gas, forms circulation; Described working medium receiving mechanism, carries out compressing the mechanism waiting process to air when the air should be in environment enters solar energy thermal-power-generating unit.Due in most of the cases, the air receiver mechanism of solar power system is compressor, and when entering the too high temperature of air of compressor, remarkable impact can be caused to the operating efficiency of the air receiver mechanism of such as compressor and so on, for single-shaft gas turbine, environment temperature is compressor inlet temperature, and when temperature is reduced to-20 DEG C from 15 DEG C, system output work and efficiency increase by 25% ~ 35% and about 6% ~ 10% respectively; When compressor inlet temperature is elevated to 40 DEG C by 15 DEG C, system output work and efficiency reduce by 17% ~ 23% and about 5% ~ 8% respectively.Gas-turbine inlet gas cooling is the most effective, reliable, safe, simple improved efficiency measure.
In the utility model specific embodiment, described first imposes a condition can be time conditions, such as, and annual March to October; Described first condition can also be temperature conditions, and such as, temperature is more than or equal to 15 DEG C.
In the utility model specific embodiment, still with reference to Fig. 1, described working medium receiving mechanism is compressor 1021, and described combustion engine unit 102 comprises compressor 1021, air turbine 1022, generator 1023; Wherein,
Compressor 1021: be connected with described solar energy heating unit 101, for inputting described solar energy heating unit 101 by the air in environment;
Air turbine 1022: be connected with described solar energy heating unit 101, the air exported for utilizing solar energy heating unit produces the mechanical energy for driving described generator 1023.
In the above-described embodiments, air is after compressor 1021 adherence pressure, and first enter solar energy heating unit 101 and be heated to be high temperature air, high temperature air enters air turbine 1022 subsequently and does work, and makes air turbine 1022 drive generator 1023 to export electric energy.
In the utility model specific embodiment, described combustion engine unit 102 also comprises:
Heat exchanger 1024: be arranged between described compressor 1021 and solar energy heating unit 101, be connected with compressor 1021, heat exchanger 1024 and solar energy heating unit 101, before inputting described solar energy heating unit 101 for the air in described environment, realize the heat exchange of air that the waste gas of described air turbine 1022 discharge and described compressor 1021 are carried.
Air, after compressor 1021 adherence pressure, first enters heat exchanger 1024, absorbs the waste heat in the flue gas of air turbine 1022 outlet.Pass into solar energy heating unit 101 through the preliminary air heated up, air themperature is promoted further.High temperature air enters air turbine 1022 subsequently and does work, and its exhaust enters heat exchanger 1024 and carries out heat exchange with compressor 1021 exiting flue gas.
In some embodiments of the utility model, the power of described combustion engine unit 102 is less than 10MW.
In the utility model specific embodiment, described combustion engine unit 102 is little combustion engine device or miniature combustion engine device.Because combustion engine unit adopts little combustion engine device or miniature combustion engine device, its power output is little, thus can reduce the scale of whole solar energy thermal-power-generating unit, realizes the distributed utilization of tower type solar thermoelectricity.The reduction of unit scale can make the solar energy heating unit of solar energy thermal-power-generating unit avoid hot spot divergence problem, and can build in a modular manner and run, namely in different modules, respectively arrange a solar energy heating unit, power station realizes the output of more electric energy by arranging multiple module.Modularized design can realize designing fast, installing, and extensibility is strong.Each thermal-arrest tower can be safeguarded respectively, can improve the availability in whole power station.Because the installation scale of the single high tower of modularization tower system is less, the distance of heliostat distance high tower is farthest very near, thus lower to the control overflow of heliostat, the hot spot divergence problem of tower type solar heliostat field can be avoided, make the lifting of Temperature of Working more secure.
In some embodiments of the utility model, described solar energy heating unit 101 comprises: solar heat absorber 1011, heliostat field 1012 and high tower 1013; Wherein:
Solar heat absorber 1011: be arranged at described high tower 1013 top, for absorbing solar heat and heating described working medium;
Heliostat field 1012: to be arranged at below described high tower and around described high tower 1013, for focusing on described solar heat absorber 1011 by solar heat.
Wherein, solar heat absorber 1011 is take air as the heat dump of working medium, is positioned on described high tower 1013, receives the sunshine converged from heliostat field 1012.
In some embodiments of the utility model, described heliostat field 1012 is less than setting value apart from the ultimate range of described solar heat absorber 1011.
Described heliostat field 1012 is in heliostat field 1012 apart from the ultimate range of described solar heat absorber 1011, the distance between distance solar heat absorber 1011 heliostat farthest and solar heat absorber 1011.
The heliostat field distribution area of conventional tower type solar energy thermal power generation unit of the prior art is very large, extensive single tower tower type solar thermo-power station of a 100MW, and heliostat distance high tower farthest may more than 1 kilometer.Remote optically focused can cause hot spot to disperse seriously, and difficulty focusing, thus has very high requirement to the precision of heliostat.If solar power tower cannot accurately focus on, still there is restriction in the temperature raising of working medium.And the combustion engine unit power output of the solar energy thermal-power-generating unit of the utility model embodiment is no more than 10MW, thus the distribution area of heliostat field 1012 is without the need to doing very large, in a particular embodiment, the heliostat in heliostat field 1012 and solar heat absorber distance value can be made to be in a less scope, when avoiding optically focused hot spot disperse, the problem of difficulty focusing.
In some embodiments of the utility model, described Temperature of Working control unit 103 comprises absorption cooling and warming water machine and charge air cooler 1037: wherein:
Absorption cooling and warming water machine: be connected with described charge air cooler, produces the cold needed for freezing for making refrigeration working medium;
Charge air cooler 1037: the air entrance location place being arranged at compressor 1021, the cold produced for utilizing absorption cooling and warming water machine cools by the air entering working medium receiving mechanism, and temperature when making described air enter working medium receiving mechanism reduces and close to the temperature of the air received under working medium receiving mechanism declared working condition.In the utility model specific embodiment, charge air cooler 1037 is arranged at the air entrance location place of compressor 1021, or the effective cooling parts of charge air cooler 1037 are arranged on the air entrance location place of compressor 1021;
Described refrigeration working medium is water; Described absorption cooling and warming water machine specifically comprises: generator 1031, condenser 1032, solution pump 1033, absorber 1034, choke valve 1035, evaporimeter 1036.
Solution pump 1033: be connected with absorber 1034 and generator 1031, for sending after the lithium-bromide solution supercharging in absorber 1034 into generator 1031.
Generator 1031: be connected with described combustion engine unit 102, for utilizing the heat in the waste gas of combustion engine unit 102, heating bromize lithium dilute solution, thus separate out steam.After steam is separated out, the lithium-bromide solution concentration absolute altitude in generator 1031, sends absorber 1034 back to by corresponding valve and pipeline.In a particular embodiment, as shown in Figure 1, generator 1031 is connected with the heat exchanger 1024 of combustion engine unit 102, thus the heat in the waste gas utilizing heat exchanger 1024 to discharge further; The air discharged due to the air turbine 1022 in combustion engine unit 102 is after heat exchanger 1024 heat exchange, still there is certain waste heat, so the air of discharge enters Temperature of Working control unit 103 further, Temperature of Working control unit 103 utilizes the waste heat of combustion engine unit 102 waste airs, can cooling source be produced, thus improve the utilization rate of solar heat further; In a particular embodiment, combustion engine unit 102 waste airs can directly be discharged in surrounding environment, because emission is air, can not cause environmental pollution;
Condenser 1032: be connected with described generator 1031, carries out condensation for the steam produced described generator 1031, produces liquid water.Concrete, condenser 1032 inside is provided with heat-transfer pipe, pass into cooling water in heat-transfer pipe, the steam that described generator 1031 produces flows through from heat-transfer pipe outside, and the high-pressure steam condensation that generator 1031 produces by the condensed water in heat-transfer pipe forms highly pressurised liquid water;
Choke valve 1035: be connected with described condenser 1032, for through this choke valve 1035 highly pressurised liquid water carry out step-down;
Evaporimeter 1036: be connected with described choke valve 1035, for choke valve 1035 is carried, the evaporation of liquid water after step-down, produce steam, produce cold while evaporation, make refrigeration working medium can carry described cold and enter charge air cooler 1037;
Absorber 1034: be connected with evaporimeter 1036, for collecting the steam that evaporimeter 1036 produces.In specific embodiment, absorber 1034 is also connected with generator 1031, for receiving the bromize lithium concentrated solution that generator produces, after concentrated solution mixes with steam, produces bromize lithium dilute solution;
In above-described embodiment, Temperature of Working control unit 103 is an Absorption Cooling System, and the cold of production is used for the intake air of cooling press mechanism of qi 1021, improves exerting oneself and efficiency of combustion engine unit 102.
In other embodiment of the utility model, Temperature of Working control unit 103 can be the independent cooling mechanism of any type not relying on combustion engine unit 102 waste airs.
In some embodiments of the utility model, under imposing a condition second, Temperature of Working control unit 103 is closed, and the waste heat in combustion engine unit 102 waste airs can be collected for heating etc.
In a particular embodiment, under summer condition, the air themperature of compressor 1021 entrance is higher, in order to reduce compressor 1021 entrance air themperature, improve the exerting oneself and efficiency of miniature combustion engine system, first the air entering solar energy thermal-power-generating unit cools through charge air cooler 1037, and cooling low-temperature receiver is Temperature of Working control unit 103.Lowly can reach about 10 DEG C through the cooled air themperature of charge air cooler 1037, enter compressor 1021 adherence pressure, the compression ratio of compressor 1021 pairs of air depends on the parameter such as device type, power output of combustion engine unit 102.Air after boosting enters the hot-air heat exchange of heat exchanger 1024 and air turbine 1022 air exit.Hot-air after preliminary intensification enters solar heat absorber 1011, temperature is risen to about 900 DEG C further, then enters air turbine 1022 and do work, and drives generator 1023 to generate electricity and exports electric energy.The hot-air of the air exit of air turbine 1022 enters heat exchanger 1024 and lowers the temperature as middle warm air, enters Temperature of Working control unit 103 and freezes.
As can be seen from above, the solar energy thermal-power-generating unit that the utility model provides, adopts air as working medium, substitutes the Rankine circulation of solar electrical energy generation in prior art with Brayton circulation, break through temperature limiting, too much can not increase cost because of the change of working medium simultaneously.According to thermodynamics general principle, the heat to power output efficiency of therrmodynamic system depends primarily on high/low temperature thermal source.Conventional tower type solar thermo-power station utilizes steam for working medium, and the circulation of its working medium is Rankine circulation.At present, owing to being subject to the restriction of material and technical elements, the highest Temperature of Working of ultra supercritical coal-fired unit is at about 600 DEG C.The utility model substitutes Rankine circulation with Brayton circulation, breaks through temperature limiting, effectively can play the advantage of tower type solar high concentration ratio.
Secondly, the solar energy thermal-power-generating unit of the utility model embodiment adopts the combustion engine unit that power output is less, realizes the distributed utilization of tower type solar thermoelectricity.The reduction of combustion engine unit power output makes photo-thermal power station to build in a modular manner and to run.Modularized design can realize designing fast, installing, and extensibility is strong.Each thermal-arrest tower can be safeguarded respectively, can improve the availability in whole power station.Because the installation scale of modularization tower system list tower is less, the distance of heliostat distance set thermal tower is farthest very near, thus lower to the control overflow of heliostat, the hot spot divergence problem of tower type solar heliostat field can be avoided, make the lifting of Temperature of Working more secure.
The solar energy thermal-power-generating unit of the utility model embodiment by the temperature of Temperature of Working control unit when the lower reduction working medium that imposes a condition enters solar energy thermal-power-generating unit, thus can improve the operating efficiency of air receiver mechanism.In a particular embodiment, described Temperature of Working control unit utilizes the waste heat of combustion engine unit institute waste air to freeze, and improves energy utilization rate.
Should be appreciated that multiple embodiments described by this description are only for instruction and explanation of the utility model, and be not used in restriction the utility model.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (9)
1. a solar energy thermal-power-generating unit, comprises, and for collecting solar energy, and converts solar energy into the solar energy heating unit of the heat energy of working medium; It is characterized in that, also comprise:
For driving generator to carry out the combustion engine unit generated electricity the conversion of heat into kinetic energy of described working medium: described combustion engine unit is connected with described solar energy heating unit, comprises gas turbine;
Described working medium is air.
2. solar energy thermal-power-generating unit according to claim 1, is characterized in that, also comprise:
For cool when described air enters described solar energy thermal-power-generating unit under imposing a condition first described air temperature, make described air enter the working medium receiving mechanism of solar electrical energy generation unit time temperature close under working medium receiving mechanism declared working condition receive the rated temperature Temperature of Working control unit of working medium: described temperature control unit is connected with solar energy heating unit.
3. solar energy thermal-power-generating unit according to claim 2, is characterized in that, described working medium receiving mechanism is compressor; Described combustion engine unit comprises the compressor for the air in environment being inputted described solar energy heating unit, the air exported for utilizing solar energy heating unit produces for driving the mechanical energy of described generator and driving the air turbine of compressor, generator; Wherein,
Described compressor is connected with described solar energy heating unit and described air turbine;
Described air turbine is connected with described solar energy heating unit and described generator.
4. solar energy thermal-power-generating unit according to claim 3, it is characterized in that, described combustion engine unit also comprises: before inputting described solar energy heating unit for the air in described environment, realize the heat exchanger of the heat exchange of air that the waste gas of described air turbine discharge and described compressor are carried;
Described heat exchanger is arranged between described compressor and solar energy heating unit, is connected with compressor and solar energy heating unit.
5. solar energy thermal-power-generating unit according to claim 1, is characterized in that, the power of described combustion engine unit is less than 10MW.
6. solar energy thermal-power-generating unit according to claim 2, it is characterized in that, described solar energy heating unit comprises: for absorbing solar heat, making it possible to utilize the solar heat absorber of described solar heat heating working medium, for solar heat being focused on the heliostat field of described solar heat absorber, high tower; Wherein:
Described solar heat absorber is arranged at described high top of tower;
Described heliostat field to be arranged at below described high tower and around described high tower.
7. solar energy thermal-power-generating unit according to claim 6, is characterized in that, the heliostat in described heliostat field is less than setting value apart from the ultimate range of described solar heat absorber.
8. solar energy thermal-power-generating unit according to claim 2, it is characterized in that, described Temperature of Working control unit comprises for making refrigeration working medium produce the absorption cooling and warming water machine of cold needed for refrigeration, and the cold produced for utilizing absorption cooling and warming water machine is to cooling the air entering working medium receiving mechanism, making the charge air cooler of temperature when described air enters working medium receiving mechanism close to the temperature of the air received under working medium receiving mechanism declared working condition; Wherein:
Described absorption cooling and warming water machine is connected with described charge air cooler;
Described charge air cooler is arranged at the air entrance location place of compressor.
9. solar energy thermal-power-generating unit according to claim 8, is characterized in that, described refrigeration working medium is water, described absorption cooling and warming water machine specifically comprises: for the solution pump by sending into generator after the lithium-bromide solution supercharging in absorber, bromize lithium dilute solution is heated for utilizing the heat entrained by the waste gas of combustion engine unit, thus separate out the generator of steam, steam for producing described generator carries out condensation, produce the condenser of liquid water, for carrying out the choke valve of step-down to the liquid water exported from described condenser, for what described choke valve was carried, the evaporimeter of the liquid water evaporation after step-down, and for absorbing the absorber of the steam that evaporimeter produces, wherein:
Described solution pump is connected with absorber and generator;
Described generator is connected with described combustion engine unit;
Described condenser is connected with described generator;
Described choke valve is connected with described condenser;
Described evaporimeter is connected with described choke valve, and it produces cold while producing steam evaporation, makes refrigeration working medium can carry described cold and enters charge air cooler;
Described absorber is connected with evaporimeter, and its steam absorbed mixes with the bromize lithium concentrated solution that generator produces, and bromize lithium dilute solution concentration is reduced.
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| CN201520382240.2U CN204806706U (en) | 2015-06-05 | 2015-06-05 | Solar thermal energy generating set |
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| CN201520382240.2U CN204806706U (en) | 2015-06-05 | 2015-06-05 | Solar thermal energy generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288435A (en) * | 2015-06-05 | 2017-01-04 | 中国电力工程顾问集团有限公司 | A kind of solar energy thermal-power-generating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288435A (en) * | 2015-06-05 | 2017-01-04 | 中国电力工程顾问集团有限公司 | A kind of solar energy thermal-power-generating unit |
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