CN200996731Y - Solar generater and heat-energy generater - Google Patents

Solar generater and heat-energy generater Download PDF

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Publication number
CN200996731Y
CN200996731Y CNU2006201310152U CN200620131015U CN200996731Y CN 200996731 Y CN200996731 Y CN 200996731Y CN U2006201310152 U CNU2006201310152 U CN U2006201310152U CN 200620131015 U CN200620131015 U CN 200620131015U CN 200996731 Y CN200996731 Y CN 200996731Y
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China
Prior art keywords
fluid
power generator
thermal power
pipeline
expansion
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Expired - Fee Related
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CNU2006201310152U
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Chinese (zh)
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王海
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王海
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Priority to CNU2006201310152U priority Critical patent/CN200996731Y/en
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Publication of CN200996731Y publication Critical patent/CN200996731Y/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
    • Y02E10/44Heat exchange systems

Abstract

A solar-powered device includes a solar energy collector [3] and a thermal generator [1], with the solar energy collector [3] outlet connecting the thermal generator [1] inlet by pipeline, being characterized in that the device also includes a tank [9] and a pump [7], the thermal generator [1] fluid outlet is connected tothe tank [9] inlet by pipeline, the outlet of the tank [9] is connected to the pump [7] inlet by the pipeline, the pump [7] outlet is connected to the solar energy collector [3] inlet by pipeline, so that the tank [9], the pump [7], the solar energy collector [3] and the thermal energy generator [1] form a work loop altogether, the outlets of the thermal energy generator [1] and the pump [7] are connected toi a one-way valve [12] and a one-way valve [6] respectively in the loop, and the fluid working medium is refrigerant.

Description

Utilize the device and the thermal power generator of solar electrical energy generation
Technical field
The utility model relates to a kind of solar energy that utilizes and changes heat energy into, again heat energy is changed into electric energy method, install and be used for the thermal power generator of this method.
Background technology
Solar energy is a kind of inexhaustible energy, and it also has the advantage of cleaning, environmental protection, so the utilization of solar energy is the focus that people tap a new source of energy and study always.Solar electrical energy generation is the important directions that solar energy utilizes, at present, device of solar generating mainly contains two kinds of modes, a kind of is to utilize photoelectric effect to change solar energy into electric energy, as the disclosed a kind of device of solar generating of the patent documentation of China Patent No. 200420015924.0, it changes solar energy into electric energy by silion cell exactly, for improving effect, it also is provided with a sunshine orientation automatic tracking, maximally utilises solar power generation.Because be subjected to the restriction of photoelectric technology at present, the conversion efficiency of photoelectricity is low, solar energy utilization ratio is the highest can only to be reached about 15%, so its shortcoming is that solar energy utilization ratio is low, costs an arm and a leg.Another kind of mode is that solar energy is changed into heat energy, again heat energy is changed into kinetic energy, is converted into electric energy by kinetic energy then.It as China Patent No. 02208516.5 the disclosed a kind of device of solar generating of patent documentation, it is to pass through beam condensing unit, large-area solar light focusing is heated the generation water vapour to the water in the water tank after together, water vapour promotes the steam turbine rotation, drive generator again and rotate generating, water vapour is directly sent into by water pump from the steam turbine back of coming out that to return water tank after cooling tower cools off recycling.Because the energy of unit are sunray is limited, the huge beam condensing unit collected light of essential employing, otherwise the water vapour of required pressure when being difficult to obtain to satisfy steam engine work, must cause the cost of increasing input, make complex structure, practicality is not strong, and simultaneously because the water vapour condensation will discharge a large amount of heats, so solar energy utilization ratio is low.
The utility model content
The purpose of this utility model provides a kind of utilization practical, that solar energy utilization ratio is high, simple in structure too can positive device and the thermal power generator that generates electricity.
By the device that utilizes solar electrical energy generation that the utility model proposes, it comprises solar thermal collector, thermal power generator, fluid reservoir and pump, the solar thermal collector fluid outlet has pipeline to communicate with thermal power generator fluid inlet end, the thermal power generator fluid outlet has pipeline to communicate with the entrance point of fluid reservoir, the port of export of fluid reservoir has pipeline to communicate with the entrance point of pump, the delivery side of pump end has pipeline to communicate with the fluid inlet end of solar thermal collector, make fluid reservoir, pump, solar thermal collector and thermal power generator are formed the work loop jointly, the thermal power generator in described loop, delivery side of pump is serially connected with check valve respectively: the fluid working medium in the loop is a cold-producing medium.The utility model utilizes the refrigerant heats characteristics of vaporization rapidly, with the evaporimeter of solar thermal collector as cold-producing medium, utilize solar energy that cold-producing medium is heated, make the gas of its vaporization and acquisition HTHP, promoting the thermal power generator rotation again generates electricity, become the low-temp low-pressure state after most of thermal power transfer become electric energy, carry out condensation, liquefaction then, send in the fluid reservoir again and recycle.Because refrigerants vaporize is rapid, it is fast to absorb heat, and the heat that discharges during condensation is few, and enthalpy drop is few, therefore, and solar energy utilization ratio height.
In order to make the gaseous refrigerant that flows out by thermal power generator can condensation liquefaction before entering fluid reservoir, make things convenient for fluid reservoir to collect, said apparatus also comprises a condenser, the entrance point of condenser communicates with the outlet of thermal power generator by pipeline, and the port of export of condenser has pipeline to communicate with the entrance point of fluid reservoir.
Owing to can producing heat in power generation process, thermal power generator heats up, for guaranteeing the operate as normal of thermal power generator, it also comprises a cooling branch road, it comprises a heat exchanger that carries out heat exchange with thermal power generator, the heat exchanger inlet and outlet end has pipeline to communicate with pump discharge end, solar thermal collector fluid inlet end respectively, is serially connected with check valve respectively on the fluid turnover pipe of heat exchanger.Can cool off thermal power generator from pumping the low-temperature working medium that comes like this, thereby in branch road, have check valve to guarantee the stability of flow direction.
By a kind of thermal power generator that the utility model proposes, it is the expansion wheel generator, it comprises stator, rotor, turning cylinder, shell and expansion impeller, on shell, establish medium import and outlet, stator is fixed on the shell, doing in relative rotation with stator, rotor is fixed on the turning cylinder, turning cylinder is rotatably connected on the shell, on turning cylinder, be fixed with the expansion impeller, fluid intake place at the expansion impeller is provided with nozzle ring, the peripheral side of this nozzle ring is provided with several guide vanes, makes fluid enter in the expansion impeller along the normal direction of expansion impeller blade.Because the guide functions of guide vane on the nozzle ring is arranged, make high temperature and high pressure gas rush at the blade of expansion impeller along the normal direction of blade, will greatly improve the efficient of expansion wheel generator.
For guaranteeing and improve the efficient of thermal power generator, above-mentioned expansion wheel generator is provided with end cap in the expansion impeller blade outside, and rubbing surface of end cover cooperates with the turbo blade surface of revolution, and the center of end cap is provided with fluid issuing.Owing to the sealing and the further guide effect of end cap fluid medium are arranged, will guarantee and improve the efficient of expansion wheel generator.
For further improving the efficient and the reliability of thermal power generator, described expansion wheel generator is two expansion turbo dynamos.Such two expansion wheel that axially relatively and circumferentially thrust is identical promote the turning cylinders rotation, have not only further improved the efficient of generator, and because of balance the axial force of expansion wheel, so improved the reliability of generator.
The utility model advantage is to adopt cold-producing medium as fluid working medium, the absorption heat is fast, and the heat that discharges during condensation is few, and enthalpy drop is few, solar energy utilization ratio can reach 40~60%, solar energy utilization ratio improves greatly than the solar cell that adopts the silicon plate, and the electricity-generating method of employing is simple, and device therefor is few, simultaneously because of the present utility model pair of expansion turbo dynamo adopts unique nozzle and water conservancy diversion end cap, can improve generating efficiency, practical, application prospect is extensive.
Description of drawings
Fig. 1 utilizes the apparatus system schematic diagram of solar electrical energy generation for the utility model.
Fig. 2 is the two turbogenerator structural representations of the utility model.
Fig. 3 is a turbine front view of the present utility model.
Fig. 4 is that the W-W of Fig. 3 is to cutaway view.
Fig. 5 is the cutaway view of nozzle ring of the present utility model.
Fig. 6 is that the m-n of Fig. 5 is to cutaway view.
Among the figure, 1, thermal power generator, 2, control valve, 3, solar thermal collector, 4, check valve, 5, control valve, 6, check valve, 7, pump, 8, control valve, 9, fluid reservoir, 10, stop valve, 11, condenser, 12, check valve, 13, check valve, 14, control valve, 15, heat exchanger, 16, bearing block, 17, bearing, 18, the axle envelope, 19, seal, 20, heat-insulating room, 21, outlet, 22, the outlet lining, 23, collet, 24, working chamber, 25, expanding chamber, 26, screw, 27, import, 28, the circular passage, 29, nozzle ring, 30, shell, 31, stator, 32, rotor, 33, turning cylinder, 34, key, 35, coolant outlet, 36, key, 37, end cap, 38, through hole, 39, the cooling inlet, 40, turbine, 41, blade, 42, guide vane, A-F, pipeline.
The specific embodiment
The utility model utilizes device of solar generating as shown in Figure 1, it is by solar thermal collector 3, thermal power generator 1, condenser 11, fluid reservoir 9 and pump 7 are formed, the fluid issuing of solar thermal collector 3 is connected by pipeline A with the fluid intake of thermal power generator 1, for regulating the flow size of pipeline, serial connection control valve 2 on pipeline A, the fluid inlet of condenser 11 has pipeline B to be connected with the fluid issuing of thermal power generator 1, the fluid issuing of condenser 11 is connected by pipeline C with the fluid inlet of fluid reservoir 9, the fluid issuing of fluid reservoir 9 has pipeline D to be connected with the fluid intake of pump 7, the fluid issuing of pump 7 has pipeline E to be connected with solar thermal collector 3, forms the work loop jointly.Be to guarantee flow direction stability in the loop, on the pipeline B in loop and E, be connected in series check valve 12 and 6 respectively.For regulating the rate of discharge of pump 7, on pipeline E, also be serially connected with control valve 5.Safety valve and blowoff valve also are housed on the fluid reservoir 9.Arrow is represented the sunray direction of illumination among the figure.At ducted fluid working medium is the medium and high temperature cold-producing medium, and cold-producing medium can be selected CFC series, ammonia or novel alternative chlorofluoro carbon (as iso-butane, isopentane etc.) for use.For vapourizing temperature and the pressure that improves cold-producing medium, solar thermal collector 3 can adopt many parallel connections or series system to connect, effectively to utilize the heating surface area of solar thermal collector.
Also be provided with thermal power generator cooling branch road at the utility model.It comprises a heat exchanger 15 that carries out heat exchange with thermal power generator 1, this heat exchanger can be the container that thermal power generator is partly coated, its entrance end communicates with pump 7 fluid outlets, solar thermal collector 3 fluid inlet ends with pipeline F, G respectively, is serially connected with check valve 5 and check valve 4 on pipeline F, the G respectively.For regulating the flow size of ducted fluid, also be connected in series control valve 13 on the pipeline F.Thermal power generator is cooled off the heat that can utilize generator to produce with heat exchanger.
Thermal power generator 1 adopts two expansion turbo dynamos.The structure of two expansion turbo dynamos as shown in Figure 2, it comprises stator 31, rotor 32, turning cylinder 33, shell 30 and turbine 40, on shell 30, be provided with medium inlet 27, stator 31 is fixed on the shell 30, doing in relative rotation with stator 31, rotor 32 is fixed on the turning cylinder 33 by key 34, turning cylinder 33 rotates on the coupling spindle bearing 16 by bearing 17, and bearing block 16 is fixed on the shell 30, all is fixed with expansion wheel 40 at the two ends of turning cylinder 33.Also be provided with axle envelope 18 between expansion wheel 40 and bearing block 16, axle envelope 18 seals with seal 19 with turning cylinder 33 contact-making surfaces, stops working media to enter bore of stator jointly.Be provided with some blades 41 on expansion wheel 19 sides, form working chamber 24, expansion wheel 40 is to be fixed on the turning cylinder 33 by key 36 and screw 26.Be fixed with end cap 37 in the dead ahead of expansion wheel 40, end cap 37 is provided with the through hole 38 that flows out for fluid working medium.The shape of end cap 37 medial surfaces and expansion wheel 40 lateral surface shapes are suitable.Periphery stationary annular nozzle 29 in expansion wheel 40, expansion wheel 40 is sleeved in the nozzle ring 29, along being evenly equipped with several guide vanes 42 on the peripheral side of nozzle ring 29, the water conservancy diversion direction of guide vane 42 makes fluid enter in the expansion impeller along the normal direction of expansion wheel blade 41.Certainly the water conservancy diversion direction of guide vane 42 has a certain degree with the normal direction of blade 41, still can promote expansion wheel 40 and rotate and generate electricity, but effect is with the increase of angle, and the heat energy utilization rate is poor more.Front end at shell 30 is provided with expanding chamber 25, and expanding chamber 25 is connected with guide vane 42 on the nozzle ring 29 by circular passage 28.25 central authorities are provided with cylindrical passageway 20 at expanding chamber, be fixed with outlet lining 22 in passage 20, an end of outlet lining 22 is communicated with the through hole 38 on the end cap 37, and the other end is connected with outlet 21, outlet lining 22 is sleeved in the collet 23, makes input and output gas not produce heat exchange.In two expansion turbo dynamos, also be provided with the generator inner chamber, on shell 30, be provided with cooling inlet 39 and be connected with the import and export of generator inner chamber respectively with coolant outlet 35.
The utility model is work like this: solar thermal collector 3 is collected solar energy the cold-producing medium of sending in the solar thermal collector 3 is heated, because the vapourizing temperature of cold-producing medium is low, therefore be vaporizated into gaseous state very soon, and along with the ducted pressure of the rising of temperature is increasing, with the isobutane refrigerant is example, pressure can reach 2MPa when temperature was 90 ℃, the gas of HTHP sends thermal power generator 1 to from pipeline A like this, gas expands from nozzle ring 29 the part enthalpy is transformed into kinetic energy, spray to the blade 41 on the expansion wheel 40, promote expansion wheel 40 rotary electrifications.The gas of the low-temp low-pressure that comes out from two expansion turbo dynamos 1 enters condenser 11 condensations, working media after being condensed becomes liquid and enters fluid reservoir 9, pump into solar thermal collector 3 and reheat intensification through pump 7 again from fluid reservoir 9, periodic duty, thus reach the purpose of uninterruptable power generation.
The of the present utility model pair of expansion turbo dynamo is work like this: spray to blade 41 on the expansion wheel 40 from nozzle ring 29 after the refrigerant gas of HTHP enters from the inlet 27 at two ends, promote expansion wheel 40 rotations, generate electricity thereby drive generator, promptly become low-temp low-pressure gas from exporting 21 outflow refrigerant gas.

Claims (6)

1, a kind of device that utilizes solar electrical energy generation, comprise solar thermal collector [3] and thermal power generator [1], solar thermal collector [3] fluid outlet has pipeline to communicate with thermal power generator [1] fluid inlet end, it is characterized in that it also comprises fluid reservoir [9] and pump [7], thermal power generator [1] fluid outlet has pipeline to communicate with the entrance point of fluid reservoir [9], the port of export of fluid reservoir [9] has pipeline to communicate with the entrance point of pump [7], the port of export of pump [7] has pipeline to communicate with the fluid inlet end of solar thermal collector [3], make fluid reservoir [9], pump [7], solar thermal collector [3] and thermal power generator [1] are formed the work loop jointly, the thermal power generator in described loop [1], the outlet of pump [7] is serially connected with check valve [12] and check valve [6] respectively; Fluid working medium in the loop is a cold-producing medium.
2, device according to claim 1, it is characterized in that it also comprises a condenser [11], the entrance point of condenser [11] communicates by the outlet of pipeline with thermal power generator [1], and the port of export of condenser [11] has pipeline to communicate with the entrance point of fluid reservoir [9].
3, device according to claim 1 and 2, it is characterized in that it also comprises a cooling branch road, it comprises a heat exchanger [15] that carries out heat exchange with thermal power generator [1], the heat exchanger inlet and outlet end has pipeline to communicate with fluid reservoir [9] port of export, solar thermal collector [3] fluid inlet end respectively, is serially connected with check valve [13,4] respectively on the fluid turnover pipe of heat exchanger.
4, a kind of thermal power generator that is used for the described device of claim 1, it is the expansion wheel generator, comprise stator [31], rotor [32], turning cylinder [33], shell [30] and expansion impeller [40], on shell [30], establish medium import [27] and outlet [21], stator [31] is fixed on the shell [30], and stator [31] is done in relative rotation, and rotor [32] is fixed on the turning cylinder [33], turning cylinder [33] is rotatably connected on the shell [30], on turning cylinder [33], be fixed with expansion impeller [40], it is characterized in that being provided with nozzle ring [29] at the fluid intake place of expansion impeller [40], the peripheral side of this nozzle ring [29] is provided with several guide vanes [42], makes fluid enter the expansion impeller along the normal direction of expansion impeller blade [41].
5, thermal power generator according to claim 4 is characterized in that being provided with end cap [37] in expansion impeller [40] blade [41] outside, and end cap [37] medial surface cooperates with expansion impeller [40] the blade surface of revolution, and the center of end cap [37] is provided with fluid issuing [38].
6, thermal power generator according to claim 5 is characterized in that described expansion wheel generator is two expansion turbo dynamos.
CNU2006201310152U 2006-07-24 2006-07-24 Solar generater and heat-energy generater Expired - Fee Related CN200996731Y (en)

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Application Number Priority Date Filing Date Title
CNU2006201310152U CN200996731Y (en) 2006-07-24 2006-07-24 Solar generater and heat-energy generater

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Application Number Priority Date Filing Date Title
CNU2006201310152U CN200996731Y (en) 2006-07-24 2006-07-24 Solar generater and heat-energy generater

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101230787B (en) * 2008-02-01 2010-08-18 耿会堂 Generating set using sun energy as power
CN102213493A (en) * 2011-04-07 2011-10-12 梁柏堂 Solar energy comprehensive utilization system
CN103362760A (en) * 2012-03-29 2013-10-23 浙江比华丽电子科技有限公司 Solar low-temperature thermal power generation system with organic Rankine cycle function
CN106930911A (en) * 2017-05-11 2017-07-07 安徽新富地能源科技有限公司 Using the device of solar power generation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101230787B (en) * 2008-02-01 2010-08-18 耿会堂 Generating set using sun energy as power
CN102213493A (en) * 2011-04-07 2011-10-12 梁柏堂 Solar energy comprehensive utilization system
CN102213493B (en) * 2011-04-07 2013-04-03 梁柏堂 Solar energy comprehensive utilization system
CN103362760A (en) * 2012-03-29 2013-10-23 浙江比华丽电子科技有限公司 Solar low-temperature thermal power generation system with organic Rankine cycle function
CN106930911A (en) * 2017-05-11 2017-07-07 安徽新富地能源科技有限公司 Using the device of solar power generation

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071226

Termination date: 20100724