CN204357642U - Solar energy and fuel complementary power generation system - Google Patents
Solar energy and fuel complementary power generation system Download PDFInfo
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- CN204357642U CN204357642U CN201420771731.1U CN201420771731U CN204357642U CN 204357642 U CN204357642 U CN 204357642U CN 201420771731 U CN201420771731 U CN 201420771731U CN 204357642 U CN204357642 U CN 204357642U
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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 discloses a kind of solar energy and fuel complementary power generation system, comprise fuel generating systems and solar low-temperature production of steam system, fuel generating systems comprises fueled steam boiler, turbo-generator, vapour condenser and water processor, and solar low-temperature production of steam system comprises heating heat collector and steam generator; Heating heat collector is solar low-temperature heat collector, and heating heat collector is connected with steam generator, and the steam ouput of steam generator connects the admission end of steam pump, and the steam output end of steam pump is connected to fueled steam boiler by safety check; Fueled steam boiler connects turbo-generator, and turbo-generator connects vapour condenser; Water processor is connected with fueled steam boiler.Utilize low-temperature heat collection device to provide thermal source, water is vaporized in a vapor generator become the Low Temperature Steam containing a large amount of latent heat of vaporization, enter fueled steam boiler, then be heated as superheated vapor for generating.Can save the fuel of about 2/3, existing huge economic benefit has again the social benefit shown.
Description
Technical field
The utility model relates to Application of Solar Energy field, particularly relates to a kind of solar low-temperature heat collector that utilizes and obtains heat energy and the complementary power generation system formed of fuel.
Background technique
Existing fuel generating systems mainly contains coal fired power generation, oil-fired power generating and fuel gas generation etc., and fuel generating systems is with the water in fuel heating steam boiler, makes water become steam and is heated as superheated vapor more further, and superheated vapor promotes steam turbine generator generating.Fuel will discharge a large amount of particulate matters and toxic and harmful in combustion, and environmental pollution is too large, affects people healthy; A large amount of carbon emissions, causes climatic change, causes serious natural disaster.
For a change or alleviate this present situation, people attempt with various new energy and fuel complemental power-generation, solar energy is huge and eternal clean energy resource, high-temp solar heat collector and fuel plants in existing slot type etc., especially coal fired thermal power plant combines complementary scheme, such as, the application number of Institute of Engineering Thernophysics, Academia Sinica's application is the patent of " solar energy of steam-injection-type and the thermal power station complementary generating system " of 201010520248.2, propose and utilize solar energy to produce superheated vapor injection steam turbine high-pressure cylinder or intermediate pressure cylinder expansion work, reduce unit gross coal consumption rate, achieve the complementation of solar energy and thermoelectricity, achieve the dilatation consumption reduction of thermal power station, solve the unstable discontinuous problem of solar energy, the application number that North China Electric Power University applies for is the patent application of " solar energy assisted coal fired thermal power plant integrated backheating device " of 200810104285.8, propose and utilize the hydrophobic of feed water preheater in solar energy heating heat regenerative system, return to water heater heat release after becoming steam, solve solar energy thermal-power-generating mode and directly depend on the frequent and problems such as instability of astronomical phenomena, start and stop, these scheme Dou Shi power plant fuel savings, decrease disposal of pollutants.But they all need with focusing mirror, and reflector cost is high, can only utilize again the direct light of the sun, and Solar use efficiency is low, economic benefit is poor and fail large-scale promotion application; Therefore, also need to find more scientific and effective complimentary fashion.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of solar energy and fuel complementary power generation system, utilize cheap solar energy for saving most of fuel in power station, to reduce the cost of electricity-generating of power station and to reduce the disposal of pollutants of power station, increase the ratio of renewable energy sources in primary energy application.
The utility model solves the solar energy and fuel complementary power generation system that its technical problem adopts, comprise fuel generating systems and solar low-temperature production of steam system, described fuel generating systems comprises fueled steam boiler, turbo-generator, vapour condenser and water processor, and described solar low-temperature production of steam system comprises heating heat collector and steam generator; Described heating heat collector is solar low-temperature heat collector, and described heating heat collector is connected with described steam generator, and the steam ouput of described steam generator connects the admission end of steam pump, and the steam output end of steam pump is connected to described fueled steam boiler by safety check; Described fueled steam boiler connects turbo-generator, and described turbo-generator connects described vapour condenser; Described vapour condenser is connected with described steam generator by circulating water pump, the feed-water end of described circulating water pump is provided with mortor operated valve, waterexit end is provided with safety check, described vapour condenser is also connected with described fueled steam boiler, described water processor is connected with described steam generator by raw water service pump, described water processor is also connected with described fueled steam boiler, described steam generator is provided with the first water level controller, described raw water service pump is described steam generator moisturizing under the control of described first water level controller.
Further, described solar low-temperature production of steam system also comprises heat storage box and heat-exchanging loop, described heat storage box is arranged between described heating heat collector and steam generator, described heat storage box and described heating heat collector form the first circulation loop by heat-conducting medium, and described heat storage box is connected with described steam generator by described heat-exchanging loop.
Further, described solar low-temperature production of steam system also comprises heat pump, described heat pump is arranged between described heat storage box and described steam generator, described heat pump comprises condenser, flow controller, compressor and vaporizer, one end of condenser is connected to after one end serial connection compressor of described vaporizer, be connected to the other end of described vaporizer after the other end serial connection flow controller of described condenser, described heat pump and heat-exchanging loop acting in conjunction provide heat energy for described steam generator.
Further, described heat-exchanging loop comprises the first recycle pump and heat exchanger; The condenser of described heat exchanger and heat pump is arranged in steam generator, and the vaporizer of described heat pump is arranged in heat storage box; Described heat storage box is connected to the one end of the heat exchanger be arranged in described steam generator through described first recycle pump, and the other end of described heat exchanger gets back to heat storage box; The power line of the compressor of described first recycle pump and heat pump is all connected to power-supply controller of electric.
Further, described heat-exchanging loop comprises heat pipe, and described heat pipe comprises evaporator section and condensating section, and the condensating section of described heat pipe and the condenser of heat pump are arranged in steam generator, and the evaporator section of described heat pipe and the vaporizer of heat pump are arranged in heat storage box.
Further, described heat-exchanging loop comprises heat pipe, the second recycle pump and heat exchange box, the condensating section of described heat pipe is arranged in steam generator, the evaporator section of described heat pipe and the condenser of heat pump are arranged in heat exchange box, the vaporizer of described heat pump is arranged in heat storage box, the second circulation loop is formed by heat-conducting medium between described heat exchange box and described heat storage box, described second recycle pump is serially connected in the upper loop of described second circulation loop, and the power supply of the compressor of described second recycle pump and described heat pump is all connected to power-supply controller of electric.
Further, described solar low-temperature production of steam system also comprises preheating heat collector, and described preheating heat collector is solar low-temperature heat collector, and described preheating heat collector is used for the feedwater of steam generator described in preheating.
Further, described solar low-temperature production of steam system also comprises hot water pump and water tank, described vapour condenser is connected with described water tank by circulating water pump, described water processor is connected with described water tank by raw water service pump, described preheating heat collector and described water tank form the 3rd circulation loop by heat-conducting medium, described water tank passes through hot water pump) be connected with described steam generator, described water tank is provided with the second water level controller.
Further, the heat-conducting medium of the second circulation loop that described heat exchange box and described heat storage box are formed is air, and described second recycle pump is air pump.
Further, setting temperature >=100 DEG C of described steam generator.
The beneficial effects of the utility model are: utilize the low-temperature heat collection device of Cheap highly effective to provide thermal source, after water being vaporized in a vapor generator become the Low Temperature Steam containing a large amount of latent heat of vaporization, enter fueled steam boiler, then are heated as superheated vapor for generating.Each gram of water becomes the heat that superheated vapor needs about card more than 800, the latent heat of vaporization of water is every gram 540 card, and solar energy provides the heat energy of card more than 600 to every gram of water vapor, accounts for 2/3 of steam energy consumption, the twice of the heat energy that the heat energy that solar energy provides provides for fuel, effectively saving coal; Utilize the power generation system of solar low-temperature heat collector and fueled steam boiler complementation, the fuel of about 2/3 can be saved, and only have 1/3 of burning coal with the cost of solar low-temperature heat collector acquisition heat energy, this had both greatly reduced the cost of production of enterprise, additionally reduce disposal of pollutants, create double effects, existing huge economic benefit has again the social benefit shown.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first mode of execution of the present utility model;
Fig. 2 is the structural representation of the second mode of execution of the present utility model;
Fig. 3 is the schematic diagram of the second mode of execution of heat-exchanging loop of the present utility model;
Fig. 4 is the schematic diagram of the third mode of execution of heat-exchanging loop of the present utility model;
Shown in figure: heating heat collector 1, heat storage box 2, first recycle pump 3, heat exchanger 4, condenser 5, steam generator 6, power-supply controller of electric 7, flow controller 8, compressor 9, vaporizer 10, steam pump 11, safety check 12, fueled steam boiler 13, turbo-generator 14, vapour condenser 15, circulating water pump 16, raw water service pump 17, water processor 18, preheating heat collector 19, hot water pump 20, water tank 21, first water level controller 22, heat pipe 23, second recycle pump 24, heat exchange box 25, second water level controller 26.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
In Fig. 1 and Fig. 2, the left-hand component of dotted line is existing fuel generating systems, and right-hand component is the solar low-temperature production of steam system with fuel generating systems complementation.Fuel generating systems is mainly coal fired power generation, oil-fired power generating or gas power generation system.
As shown in Figure 1, solar energy and fuel complementary power generation system, comprise fuel generating systems and solar low-temperature production of steam system, described fuel generating systems comprises fueled steam boiler 13, turbo-generator 14, vapour condenser 15 and water processor 18, and described solar low-temperature production of steam system comprises heating heat collector 1 and steam generator 6; Described heating heat collector 1 is solar low-temperature heat collector, described heating heat collector 1 is connected with described steam generator 6, the steam ouput of described steam generator 6 connects the admission end of steam pump 11, and the steam output end of steam pump 11 is connected to described fueled steam boiler 13 by safety check 12; Described fueled steam boiler 13 connects turbo-generator 14, and described turbo-generator 14 connects described vapour condenser 15; Described vapour condenser 15 is connected with described steam generator 6 by circulating water pump 16, the feed-water end of described circulating water pump 16 is provided with mortor operated valve, waterexit end is provided with safety check, described vapour condenser 15 is also connected with described fueled steam boiler 13, described water processor 18 is connected with described steam generator 6 by raw water service pump 17, described water processor 18 is also connected with described fueled steam boiler 13, described steam generator 6 is provided with the first water level controller 22, described raw water service pump 17 is the moisturizing of described steam generator 6 under the control of described first water level controller 22.
The working principle of solar energy of the present utility model and fuel complementary power generation system:
Heating heat collector 1 is solar low-temperature heat collector, described heating heat collector 1 utilizes the solar energy of absorption by heat-conducting medium for steam generator 6 provides heat energy, water is vaporized the Low Temperature Steam become containing a large amount of latent heat of vaporization in steam generator 6, by steam pump 11 and safety check 12, Low Temperature Steam is injected fueled steam boiler 13, superheated vapor is heated as further with fuel, superheated vapor becomes exhaust steam after entering steam turbine generator 14 acting generating, exhaust steam forms water of condensation after vapour condenser 15 condensation, part water of condensation is delivered to steam generator 6 through circulating water pump 16 and is recycled, remaining part water of condensation is sent to described fueled steam boiler 13 and recycles, water processor 18 is the original equipment of power plant, the effect of described water processor 18 is filtered at the feedwater of solar energy and fuel complementary power generation system, the process such as purification, a water part after water processor 18 processes passes through raw water service pump 17 under the control of water level controller 22, to steam generator 6 moisturizing, water after water processor 18 processes also is transported to fueled steam boiler 13 for fueled steam boiler 13 moisturizing.Utilize the heating heat collector 1 of Cheap highly effective to absorb and can provide thermal source very much, after water being vaporized in steam generator 6 become the Low Temperature Steam containing a large amount of latent heat of vaporization, enter fueled steam boiler 13, then be heated as superheated vapor for generating.Each gram of water becomes the heat that superheated vapor needs about card more than 800, the latent heat of vaporization of water is every gram 540 card, and solar energy provides the heat energy of card more than 600 to every gram of water vapor, accounts for 2/3 of steam energy consumption, the twice of the heat energy that the heat energy that solar energy provides provides for fuel, effectively saving coal; Utilize the power generation system of solar low-temperature heat collector and fueled steam boiler complementation, the fuel of about 2/3 can be saved, and only have 1/3 of burning coal with the cost of solar low-temperature heat collector acquisition heat energy, this had both greatly reduced the cost of production of enterprise, additionally reduce disposal of pollutants, create double effects, existing huge economic benefit has again the social benefit shown.
As shown in Figure 1, as further improvement of the utility model, described solar low-temperature production of steam system also comprises heat storage box 2 and heat-exchanging loop, described heat storage box 2 is arranged between described heating heat collector 1 and steam generator 6, described heat storage box 2 forms the first circulation loop with described heating heat collector 1 by heat-conducting medium, this heat-conducting medium can be air, and can be also conduction oil etc., described heat storage box 2 be connected with described steam generator 6 by described heat-exchanging loop.Heating heat collector 1 links heat storage box 2, a circulation loop is formed by heat-conducting medium between heating heat collector 1 and heat storage box 2, this circulation loop can be natural circulation, and also can add pump and form pump circulation, heat storage box 2 is connected to steam generator 6 through heat-exchanging loop.Heating heat collector 1 utilizes the heat-conducting medium of solar energy heating first circulation loop absorbed, the heat-conducting medium of the first circulation loop by thermal energy transfer to heat storage box 2 and by thermal energy storage in heat storage box 2, heat energy in heat storage box 2 passes to steam generator 6 by heat-exchanging loop, makes water is vaporized into as the Low Temperature Steam containing a large amount of latent heat of vaporization in steam generator 6.
As shown in Figure 1, as further improvement of the utility model, described solar low-temperature production of steam system also comprises heat pump, described heat pump is arranged between described heat storage box 2 and described steam generator 6, described heat pump comprises condenser 5, flow controller 8, compressor 9 and vaporizer 10, one end of condenser 5 is connected to after one end serial connection compressor 9 of described vaporizer 10, be connected to the other end of described vaporizer 10 after the other end serial connection flow controller 8 of described condenser 5, described heat pump and heat-exchanging loop acting in conjunction provide heat energy for described steam generator 6.Described condenser 5, flow controller 8, vaporizer 10 and compressor 9 circulation loop in series, when solar illumination is strong time, the solar energy that heating heat collector 1 absorbs is steam generator 6 heat supply by heat-exchanging loop, when solar energy is not enough, connecting the power supply of the compressor 9 of heat pump, is steam generator 6 heat supply by heat pump, keep the temperature inside steam generator 6, maintain steam output, this both made full use of solar energy, can ensure system stable operation again.
As shown in Figure 1, the first mode of execution of heat-exchanging loop: described heat-exchanging loop comprises the first recycle pump 3 and heat exchanger 4; The condenser 5 of described heat exchanger 4 and heat pump is arranged in steam generator 6, and the vaporizer 10 of described heat pump is arranged in heat storage box 2; Described heat storage box 2 is connected to the one end of the heat exchanger 4 be arranged in described steam generator 6 through described first recycle pump 3, and the other end of described heat exchanger 4 gets back to heat storage box 2; Described first recycle pump 3 is all connected to power-supply controller of electric 7 with the power line of the compressor 9 of heat pump.The one end being arranged on the vaporizer 10 inside heat storage box 2 is connected to compressor 9, and the other end of compressor 9 is connected to the one end of the condenser 5 being arranged on inside steam generator 6, and the other end of condenser 5 gets back to the other end of vaporizer 10 through flow controller 8; Heat storage box 2 is connected to the heat exchanger 4 be arranged on inside steam generator 6 through the first recycle pump 3, the other end of heat exchanger 4 gets back to heat storage box 2 through pipeline; First recycle pump 3 is all connected to power-supply controller of electric 7 with the power line of heat pump compressor 9; Heat-exchanging loop is in parallel with heat pump provides heat energy for steam generator 6, when solar illumination is strong time, the solar energy that heating heat collector 1 absorbs is steam generator 6 heat supply by the first recycle pump 3, when solar energy is not enough, power-supply controller of electric 7 action, cuts off the power supply of recycle pump 3, connect the power supply of compressor 9, be steam generator 6 heat supply by heat pump, keep the temperature inside steam generator 6, maintain steam output.
As shown in Figure 3, the second mode of execution of heat-exchanging loop: described heat-exchanging loop comprises heat pipe 23, described heat pipe 23 comprises evaporator section and condensating section, the condensating section of described heat pipe 23 and the condenser 5 of heat pump are arranged in steam generator 6, and the evaporator section of described heat pipe 23 and the vaporizer 10 of heat pump are arranged in heat storage box 2.Adopt heat pipe 23 that heat storage box 2 is connected to steam generator 6, the evaporator section of heat pipe 23 is arranged in heat storage box 2, and the condensating section of heat pipe 23 is arranged in steam generator 6; The one end being arranged on the vaporizer 10 inside heat storage box 2 is connected to compressor 9, and the other end of compressor 9 is connected to the one end of the condenser 5 being arranged on inside steam generator 6, and the other end of condenser 5 gets back to the other end of vaporizer 10 through flow controller 8; Adopt this mode of execution, can sketch as heat pump is in parallel with heat pipe 23, adopt heat pipe 23 in parallel with heat pump for steam generator 6 provides heat energy, when solar illumination is strong time, the solar energy that heating heat collector 1 absorbs is steam generator 6 heat supply by heat pipe 23, when solar energy is not enough, is steam generator 6 heat supply by heat pump, keep the temperature inside steam generator 6, maintain steam output.Adopt heat pipe heat exchanging, its heat-transfer effect is better, and not power consumption.
As shown in Figure 4, the third mode of execution of heat-exchanging loop: described heat-exchanging loop comprises heat pipe 23, second recycle pump 24 and heat exchange box 25, the condensating section of described heat pipe 23 is arranged in steam generator 6, the evaporator section of described heat pipe 23 and the condenser 5 of heat pump are arranged in heat exchange box 25, the vaporizer 10 of described heat pump is arranged in heat storage box 2, the second circulation loop is formed by heat-conducting medium between described heat exchange box 25 and described heat storage box 2, this heat-conducting medium can be air, also can be conduction oil etc., described second recycle pump 24 is serially connected in the upper loop of described second circulation loop, described second recycle pump 24 is all connected to power-supply controller of electric 7 with the power supply of the compressor 9 of described heat pump.Adopt this mode of execution, can sketch as heat pump is connected as steam generator 6 heat supply with heat pipe 23, namely a heat exchange box 25 is set between heat pump and heat pipe 23, the condenser 5 of heat pump and the vaporizing end of heat pipe arrange all in heat exchange box 25, and heat pump and heat pipe 23 carry out exchange heat in heat exchange box 25; A circulation loop is set between heat exchange box 25 and heat storage box 2, in the upper loop of this circulation loop, is connected in series the second recycle pump 24, second recycle pump 24 is all connected to power-supply controller of electric 7 with the power supply of compressor 9.Described " upper loop " refers to that section that heat-conducting medium is carried from heat storage box 2 to heat exchange box 25.When solar illumination is strong, when namely the temperature of the heat-conducting medium of heat exchange box 25 li is higher than setting temperature, power-supply controller of electric 7 cuts off the power supply of heat pump compressor 9, connects the power supply of the second recycle pump 24, and the heat energy of heat-conducting medium passes to steam generator 6 through heat pipe 23; Otherwise, when solar illumination is weak, when the temperature of the heat-conducting medium namely inside heat exchange box 25 is lower than setting temperature, the heat-conducting medium temperature of heat exchange box 25 li is on the low side, power-supply controller of electric 7 cuts off the power supply of the second recycle pump 24, connect the power supply of compressor 9, heat pump is utilized to promote the temperature of the heat-conducting medium inside heat exchange box 25, the temperature of the heat-conducting medium inside heat exchange box 25 is made to remain setting value, system works is stablized, do not change with the change of solar illumination, and the solar charging of weak period is divided utilized.As preferred embodiment, the heat-conducting medium of the second circulation loop that described heat exchange box 25 is formed with described heat storage box 2 is air, and described second recycle pump 24 is air pump.Heat-conducting medium between described heat exchange box 25 and heat storage box 2 is air, makes heat-conducting medium with air, can reduce installation cost, and meanwhile, gas-liquid heat exchange, can make the heat exchange efficiency of heat pipe 23 higher.
As shown in Figure 2, as further improvement of the utility model, described solar low-temperature production of steam system also comprises preheating heat collector 19, and described preheating heat collector 19 is solar low-temperature heat collector, and described preheating heat collector 19 is for the feedwater of steam generator described in preheating 6.The feed-water preheating of steam generator 6 is first given by preheating heat collector 19.
As shown in Figure 2, as further improvement of the utility model, described solar low-temperature production of steam system also comprises hot water pump 20 and water tank 21, described vapour condenser 15 is connected with described water tank 21 by circulating water pump 16, described water processor 18 is connected with described water tank 21 by raw water service pump 17, described preheating heat collector 19 forms the 3rd circulation loop with described water tank 21 by heat-conducting medium, this heat-conducting medium can be air, also can be conduction oil etc., described water tank 21 is connected with described steam generator 6 by hot water pump 20, described water tank 21 is provided with the second water level controller 26.Preheating heat collector 19 links water tank 21, the 3rd circulation loop is formed by heat-conducting medium between preheating heat collector 19 and water tank 21, this the 3rd circulation loop can be natural circulation, also can add pump and form pump circulation, water tank 21 is connected to steam generator 6 through hot water pump 20, preheating heat collector 19 by heat-conducting medium after the preheating cold water in water tank 21, by hot water pump 20 for steam generator 6 provides hot water, as preferred embodiment, hot water can be shower type on heat exchanger 4, so that fully heat exchange, heating heat collector 1 utilizes the solar energy absorbed to provide heat energy for steam generator 6, steam generator 6 interior heat is made to water is vaporized into as the Low Temperature Steam containing a large amount of latent heat of vaporization, by steam pump 11 and safety check 12, Low Temperature Steam is injected fueled steam boiler 13, superheated vapor is heated as further with fuel, superheated vapor becomes exhaust steam after entering steam turbine generator 14 acting generating, exhaust steam forms water of condensation after vapour condenser 15 condensation, part water of condensation is delivered to water tank 21 Inner eycle through circulating water pump 16 and is utilized, remaining part water of condensation is sent to described fueled steam boiler 13 and recycles, water processor 18 is the original equipment of power plant, the effect of described water processor 18 is filtered at the feedwater of solar energy and fuel complementary power generation system, the process such as purification, a water part after water processor 18 processes passes through raw water service pump 17 under the control of the second water level controller 26, to water tank 21 moisturizing, water after water processor 18 processes also is transported to fueled steam boiler 13 for fueled steam boiler 13 moisturizing.
If the temperature of steam generator 6 is set as lower than 100 DEG C, water in steam generator 6 also can be vaporized, but now, water is vaporized under negative pressure state, steam pump 11 should extract that also will pressurize will many power consumptions, and the more low more power consumption of temperature, the setting temperature of steam generator 6 is suitably lower, as more than 90 DEG C are also passable.As preferred embodiment, setting temperature >=100 DEG C of described steam generator 6; The temperature of steam generator 6 be set as >=100 DEG C, be to make water vaporize under atmospheric pressure state, like this, steam pump 11 just only need pressurize and need not extract, thus reduces power consumption.
Preheating heat collector 19 above in each mode of execution and heating heat collector 1 are solar low-temperature heat collector, and solar low-temperature heat collector comprises flat plate collector and vacuum tube collector; Flat plate collector comprises core metal sheet flat plate collector, all-glass vacuum flat plate collector, black porcelain plate solar collector etc.; Vacuum tube collector comprises glass vacuum pipe heat collector, vacuum tube copper pipe heat collector and vacuum-tube heat-pipe heat collector.
Embodiment
For coal-burning power plant, at near power station, solar low-temperature heat collector is installed, such as, vacuum tube collector or flat plate collector, solar low-temperature heat collector is using square metre as unit, and the generated energy of coal-burning power plant is using kilowatt as unit, square metre number of solar low-temperature heat collector is about 1.2 times of kilowatt number of coal-burning power plant, and preheating heat collector 19 is 1:5 with the ratio of square metre number of heating heat collector 1.
As shown in Figure 2 and Figure 4, wherein, heat-exchanging loop as shown in Figure 4, solar energy and fuel complementary power generation system, comprise fuel generating systems and solar low-temperature production of steam system, described fuel generating systems comprises fueled steam boiler 13, turbo-generator 14, vapour condenser 15 and water processor 18, described solar low-temperature production of steam system comprises heating heat collector 1, heat storage box 2, first recycle pump 3, heat exchanger 4, condenser 5, steam generator 6, power-supply controller of electric 7, flow controller 8, compressor 9, vaporizer 10, steam pump 11, safety check 12, circulating water pump 16, raw water service pump 17, preheating heat collector 19, hot water pump 20, water tank 21, water level controller 22, heat pipe 23, second recycle pump 24, heat exchange box 25, described heat pump comprises condenser 5, flow controller 8, vaporizer 10 and compressor 9, their circulation loops in series, namely be connected to one end of condenser 5 after one end of described vaporizer 10 is connected in series compressor 9, after the other end serial connection flow controller 8 of described condenser 5, be connected to the other end of described vaporizer 10, be disposed with heat storage box 2, heat exchange box 25 between described heating heat collector 1 and steam generator 6, namely described heat storage box 2 is arranged between described heating heat collector 1 and heat exchange box 25, and described heat exchange box 25 is arranged between described heat storage box 2 and steam generator 6, described heat storage box 2 forms the first circulation loop with described heating heat collector 1 by heat-conducting medium, and this heat-conducting medium can be air, also can be conduction oil etc., as shown in Figure 4, the mode adopting heat pump to connect with heat pipe 23 is steam generator 6 heat supply, the condensating section of described heat pipe 23 is arranged in steam generator 6, the evaporator section of described heat pipe 23 and the condenser 5 of heat pump are arranged in heat exchange box 25, the vaporizer 10 of described heat pump is arranged in heat storage box 2, the second circulation loop is formed by heat-conducting medium between described heat exchange box 25 and described heat storage box 2, this heat-conducting medium can be air, also can be conduction oil etc., described second recycle pump 24 is serially connected in the upper loop of described second circulation loop, described second recycle pump 24 is all connected to power-supply controller of electric 7 with the power supply of the compressor 9 of described heat pump, described preheating heat collector 19 forms the 3rd circulation loop with described water tank 21 by heat-conducting medium, this heat-conducting medium can be air, also can be conduction oil etc., described water tank 21 be connected with described steam generator 6 by hot water pump 20, described water tank 21 is provided with the second water level controller 26, described steam generator 6 is provided with the first water level controller 22, the steam ouput of described steam generator 6 connects the admission end of steam pump 11, and the steam output end of steam pump 11 is connected to described fueled steam boiler 13 by safety check 12, described fueled steam boiler 13 connects turbo-generator 14, and described turbo-generator 14 connects described vapour condenser 15, described vapour condenser 15 is connected with described water tank 21 with by circulating water pump 16 by circulating water pump 16, the feed-water end of described circulating water pump 16 is provided with mortor operated valve, waterexit end is provided with safety check, described vapour condenser 15 is also connected with described fueled steam boiler 13, described water processor 18 is connected with described water tank 21 by raw water service pump 17, described water processor 18 is also connected with described fueled steam boiler 13, and described raw water service pump 17 is water tank 21 moisturizing under the control of described second water level controller 26.
Claims (11)
1. solar energy and fuel complementary power generation system, it is characterized in that: comprise fuel generating systems and solar low-temperature production of steam system, described fuel generating systems comprises fueled steam boiler (13), turbo-generator (14), vapour condenser (15) and water processor (18), and described solar low-temperature production of steam system comprises heating heat collector (1) and steam generator (6), described heating heat collector (1) is solar low-temperature heat collector, described heating heat collector (1) is connected with described steam generator (6), the steam ouput of described steam generator (6) connects the admission end of steam pump (11), and the steam output end of steam pump (11) is connected to described fueled steam boiler (13) by safety check (12), described fueled steam boiler (13) connects turbo-generator (14), and described turbo-generator (14) connects described vapour condenser (15), described vapour condenser (15) is connected with described steam generator (6) by circulating water pump (16), the feed-water end of described circulating water pump (16) is provided with mortor operated valve, waterexit end is provided with safety check, described vapour condenser (15) is also connected with described fueled steam boiler (13), described water processor (18) is connected with described steam generator (6) by raw water service pump (17), described water processor (18) is also connected with described fueled steam boiler (13), described steam generator (6) is provided with the first water level controller (22), described raw water service pump (17) is described steam generator (6) moisturizing under the control of described first water level controller (22).
2. solar energy as claimed in claim 1 and fuel complementary power generation system, it is characterized in that: described solar low-temperature production of steam system also comprises heat storage box (2) and heat-exchanging loop, described heat storage box (2) is arranged between described heating heat collector (1) and steam generator (6), described heat storage box (2) and described heating heat collector (1) form the first circulation loop by heat-conducting medium, and described heat storage box (2) is connected with described steam generator (6) by described heat-exchanging loop.
3. solar energy as claimed in claim 2 and fuel complementary power generation system, it is characterized in that: described solar low-temperature production of steam system also comprises heat pump, described heat pump is arranged between described heat storage box (2) and described steam generator (6), described heat pump comprises condenser (5), flow controller (8), compressor (9) and vaporizer (10), one end of condenser (5) is connected to behind one end serial connection compressor (9) of described vaporizer (10), the other end of described vaporizer (10) is connected to after the other end serial connection flow controller (8) of described condenser (5), described heat pump and heat-exchanging loop acting in conjunction are that described steam generator (6) provides heat energy.
4. solar energy as claimed in claim 3 and fuel complementary power generation system, is characterized in that: described heat-exchanging loop comprises the first recycle pump (3) and heat exchanger (4); The condenser (5) of described heat exchanger (4) and heat pump is arranged in steam generator (6), and the vaporizer (10) of described heat pump is arranged in heat storage box (2); Described heat storage box (2) is connected to the one end of the heat exchanger (4) be arranged in described steam generator (6) through described first recycle pump (3), and the other end of described heat exchanger (4) gets back to heat storage box (2); Described first recycle pump (3) is all connected to power-supply controller of electric (7) with the power line of the compressor (9) of heat pump.
5. solar energy as claimed in claim 3 and fuel complementary power generation system, it is characterized in that: described heat-exchanging loop comprises heat pipe (23), described heat pipe (23) comprises evaporator section and condensating section, the condensating section of described heat pipe (23) and the condenser (5) of heat pump are arranged in steam generator (6), and the evaporator section of described heat pipe (23) and the vaporizer (10) of heat pump are arranged in heat storage box (2).
6. solar energy as claimed in claim 3 and fuel complementary power generation system, it is characterized in that: described heat-exchanging loop comprises heat pipe (23), second recycle pump (24) and heat exchange box (25), the condensating section of described heat pipe (23) is arranged in steam generator (6), the evaporator section of described heat pipe (23) and the condenser (5) of heat pump are arranged in heat exchange box (25), the vaporizer (10) of described heat pump is arranged in heat storage box (2), the second circulation loop is formed by heat-conducting medium between described heat exchange box (25) and described heat storage box (2), described second recycle pump (24) is serially connected in the upper loop of described second circulation loop, described second recycle pump (24) is all connected to power-supply controller of electric (7) with the power supply of the compressor (9) of described heat pump.
7. the solar energy any one of claim 1 to 6 as described in claim and fuel complementary power generation system, it is characterized in that: described solar low-temperature production of steam system also comprises preheating heat collector (19), described preheating heat collector (19) is solar low-temperature heat collector, and described preheating heat collector (19) is for the feedwater of steam generator described in preheating (6).
8. solar energy as claimed in claim 7 and fuel complementary power generation system, it is characterized in that: described solar low-temperature production of steam system also comprises hot water pump (20) and water tank (21), described vapour condenser (15) is connected with described water tank (21) by circulating water pump (16), described water processor (18) is connected with described water tank (21) by raw water service pump (17), described preheating heat collector (19) and described water tank (21) form the 3rd circulation loop by heat-conducting medium, described water tank (21) is by hot water pump (20)) be connected with described steam generator (6), described water tank (21) is provided with the second water level controller (26).
9. solar energy as claimed in claim 6 and fuel complementary power generation system, it is characterized in that: the heat-conducting medium of the second circulation loop that described heat exchange box (25) and described heat storage box (2) are formed is air, and described second recycle pump (24) is air pump.
10. the solar energy any one of claim 1 to 6,8 or 9 as described in claim and fuel complementary power generation system, is characterized in that: setting temperature >=100 DEG C of described steam generator (6).
11. solar energy as claimed in claim 7 and fuel complementary power generation systems, is characterized in that: setting temperature >=100 DEG C of described steam generator (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771731.1U CN204357642U (en) | 2014-12-09 | 2014-12-09 | Solar energy and fuel complementary power generation system |
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| CN201420771731.1U CN204357642U (en) | 2014-12-09 | 2014-12-09 | Solar energy and fuel complementary power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373310A (en) * | 2014-12-09 | 2015-02-25 | 攀枝花学院 | Solar energy and fuel complementary power generation system |
| CN105465869A (en) * | 2015-12-23 | 2016-04-06 | 安徽建筑大学 | Multi-heat-source coupling heating supply system |
-
2014
- 2014-12-09 CN CN201420771731.1U patent/CN204357642U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373310A (en) * | 2014-12-09 | 2015-02-25 | 攀枝花学院 | Solar energy and fuel complementary power generation system |
| CN104373310B (en) * | 2014-12-09 | 2017-04-05 | 攀枝花学院 | Solar energy and fuel complementary power generation system |
| CN105465869A (en) * | 2015-12-23 | 2016-04-06 | 安徽建筑大学 | Multi-heat-source coupling heating supply system |
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