CN102072116A - Optical concentration type solar power generation device - Google Patents
Optical concentration type solar power generation device Download PDFInfo
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- CN102072116A CN102072116A CN2010105377133A CN201010537713A CN102072116A CN 102072116 A CN102072116 A CN 102072116A CN 2010105377133 A CN2010105377133 A CN 2010105377133A CN 201010537713 A CN201010537713 A CN 201010537713A CN 102072116 A CN102072116 A CN 102072116A
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- heat pipe
- compression engine
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- heat
- rotary volume
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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
- Y02E10/44—Heat exchange systems
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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
Abstract
The invention relates to an optical concentration type solar power generation device comprising five parts which are an optical concentration type solar heat absorber 1, a rotary variable-capacitance type expanding compressed air engine 2, a heat pipe cooler 3, a sealed magnetic shaft coupling 4 and a permanent magnet generator 5. The optical concentration type solar heat absorber 1 is connected with an extending-out shaft of the rotary variable-capacitance type expanding compressed air engine and the engine by high-strength bolts. A sealed space is formed by embedding the heat pipe cooler 3 into the compressed air end of the engine through sealing the inside of the heat pipe cooler 3 by a plate at the compressor end of an air compressor, and the permanent magnet generator is connected with the rotary variable-capacitance type expanding compressed air engine by the sealed magnetic shaft coupling, so that the leakage of a working medium sealed inside the engine is zero. By the device, the cost of the solar power generation device can be lowered, and the power generation efficiency is enhanced.
Description
Technical field
The present invention relates to
Solar energy utilizesThe field, a kind of specifically light condensing solar energy power generation device.Background technique
China increases simultaneously and rapidly to production of energy and consumption, and China constantly increases the demand of electric power, and resource pressure grows with each passing day.The present energy resource structure of China is that electric power is the center, coal is the basis, petroleum gas is attached most importance to, and the water power nuclear power is for auxiliary, and wherein thermoelectricity is based on fire coal, the especially coal-fired pollutant that produces of conventional energy resource is very serious, a large amount of pollutant emissions causes the temperature in the whole world to rise, and acid rain acid mist etc. have produced people's life even existence and seriously influenced, very urgent, the extremely urgent thing of the reproducible energy of seeking to settle accounts.So solar energy thermal-power-generating is the same with the solar energy power generating wind-powered electricity generation, be to solve the useful approaches and methods of global energy resource and environmental problem.Though and solar energy power generating has been tending towards ripe from making the application technology aspect, but manufacture cost is higher, and more than traditional electricity generating device several times, conversion efficiency of thermoelectric is lower, but China's photovoltaic industry begins to rise at present, and solar energy thermal-power-generating is once out in the cold.Summary of the invention
The objective of the invention is at existing device of solar generating cost higher, the problem that generating efficiency is low provides a kind of technique device of solar energy thermal-power-generating efficiently, be that a kind of Photospot solar can electricity generating device. this device can make the device of solar generating cost descend, and generating efficiency improves.
Light condensing solar energy power generation device of the present invention comprises: concentrating solar heat absorber 1, rotary volume-variable expansion compression engine 2, heat pipe cooler 3, sealing magnetic coupling 4 and permanent magnet generator 5 five most of compositions.Wherein concentrating solar heat absorber 1 links to each other by high-strength bolt and rotary volume-variable expansion compression engine overhanging axle and motor.Heat pipe cooler 3 seals its airtight space of inner composition by being embedded in the engine compressor end by the gas compressor end plate, permanent magnet generator links to each other with rotary volume-variable expansion compression engine by the magnetic coupling 4 of sealing, makes the working medium zero that is enclosed in engine interior reveal.
Described concentrating solar heat absorber 1, by heat pipe 1.1, interior welds plate bundle 1.2, sealing ring 1.3 and external casing 1.4, middle jacket 1.5, insulation daylighting chamber 1.6, two ends insulation end plate 1.7, suction tude 1.8 8 parts are formed.
Described rotary volume-variable expansion compression engine 2 is to apply in 201010136455.8 in the patent No., specifically comprise housing, two ends size cylindrical cam 2.3,2.5 and 2.7,2.9, spacer 2.4,2.8, rotor shaft 2.11, slide plate 2.12,2.13 and high temperature resistant bearing are formed, on the discal rotor of rotor shaft slide plate is housed, rotor shaft links to each other with cylindrical cam small in ends by ceramic bearing, uses housing rotor shaft and cylindrical cam again, spacer, slide plate encapsulates in it.Constitute rotary volume-variable expansion compression engine.
Described heat pipe cooler 3 is made up of welded plate bundle 3.2 and heat pipe 3.1 in the decompressor gas compressor end cam of packing into, makes the gas of one-level gas compressor end enter heat pipe cooler and cools off rapidly.
Described magnetic coupling 4, by motor end active magnetic axis 4.1. shielding can 4.2, passive magnetic axis 4.3 is formed, and sealed mode magnetic coupling transmitting torque is adopted in rotary volume-variable expansion compression engine rotatingshaft and permanent magnetic engine shaft drive, realizes zero leakage of working medium.
Described permanent magnet generator 5 is done power generator rotor magnetic pole 5.2 by the rare earth permanent magnet Nd-Fe-B, and stator coil 5.3 and shell 5.1 and generator flabellum 5.4 4 parts are formed, and logical moving magnetic coupling drives the generating of permanent magnet generator cutting magnetic line.
Wherein concentrating solar heat absorber 1 connects with the inflating end shell of rotary volume-variable expansion compression engine 2 by bolt. and make concentrating solar heat absorber 1 annular endoporus link to each other with the outrigger shaft of rotary volume-variable expansion compression engine.Heat pipe condenser 3 is connected with the gas compressor end of rotary volume-variable expansion compression engine 2 by bolt. and gas compressor end rotatingshaft is installed magnetic coupling 4, coupling encapsulates by metal cover board, in case gas leakage, the magnetic coupling the other end links to each other with rare earth permanent-magnetic generator 5, has formed light condensing solar energy power generation device.
Light condensing solar energy power generation device of the present invention is to realize like this.
Light condensing solar energy power generation device is by concentrating solar heat absorber 1, rotary volume-variable expansion compression engine 2, heat pipe cooler 3, permanent magnet generator 4 and 5 most of compositions of sealing magnetic coupling.
Wherein concentrating solar heat absorber 1 is by high-temperature heat pipe 1.1, interior welds plate bundle 1.2, sealing ring 1.3 and external casing 1.4, middle jacket 1.5, insulation daylighting chamber 1.6, two ends insulation end plate 1.7, suction tude 1.8 8 parts are formed, interior welds plate bundle 1.2 is made up of one group of very strong metal circular ripple heat-exchange plate of the capacity of heat transmission, wherein on metal circular corrugated cardboard sheet circumference, have the circular taper hole bigger with the heat pipe external diameter, with high-temperature heat pipe 1.1 multi-disc metal circular corrugated sheet is together in series, the metal circular corrugated sheet passes a specific strong heat conduction lasso 1.3 bigger than heat pipe caliber with joint, heat pipe hole during simultaneously every pressure a slice metal corrugated plate, the cylindrical bottom of circle is sphere, keep ball face sealing with the circular wave plate, by hydraulic pressure installation every is compressed, make the metal heat-conducting lasso well engage with heat pipe, every metal corrugated sheet by welding manner or plate week fluting add metallic O ring and keep gas seal under the High Temperature High Pressure, cover external casing 1.4 adopts the gapless stainless steel tube of certain wall thickness to make, can bear certain pressure and prevent that the plate bundle is poorly sealed and be subjected to certain pressure, externally add insulating ceramic between housing and the interior welds plate bundle with thermal insulation.By a cover plate of wearing pottery metal corrugated plate is compressed sealing again, make concentrating solar heat absorber 1 can bear the High Temperature High Pressure of internal gas, insulation daylighting cavity 1.6 is loaded onto in concentrating solar heat absorber 1 heat pipe heat absorbing end outside, reduce thermal radiation with insulation daylighting.Add suction tude interface 1.8 in the central position of concentrating solar heat absorber 1 at last, make by carrying out heat temperature raising in the middle temperature pressurized gas feeding concentrating solar heat absorber after the compression and boost.
High temperature and high pressure gas by concentrating solar heat absorber 1 passes through rotary volume-variable expansion compression engine 2 suction ports, promote the rotor sliding-vane 2.12,2.13 of expansion compression engine by the expansion of gas, make rotor sliding-vane rotate towards the direction that volume expands, slide plate is by ceramic balls seldom rolling of friction in rotor.A logical simultaneously equidistant cylindrical cam in two ends has guaranteed few friction and the sealing of slide plate in sliding process.The gas of High Temperature High Pressure has become the gas of middle temperature low pressure by after the acting of inflating end, discharges inflating end, by the gas-liquid heat-exchange of outside, adds hot water for heat, makes that expansion working medium obtains getting back to the engine compressor end after the cooling.
Gas compressor end housing body adopts the with ribbing good metal of thermal conductivity to do outside cylinder 2.2 and is beneficial to natural wind cooling pressurized gas.Heat pipe cooler 3 after when the one-level pressurized gas after the compression, going into the big column cam, heat pipe cooler 3 is made up of welded plate bundle 3.2 and moderate temperature heat pipe 3.1 in the swelling pressure mechanism of qi end cam of packing into, adopt expansion compression engine to calm the anger again and hold end plate to compress, make it constitute a confined space, make gas at one-level gas compressor end enter heat pipe cooler and obtain cooling at any time, after the heat pipe cooler cooling, make the one-level compression near isothermal compression.
Cooled gas sucks through the small column cam aperture of inlet hole by the gas compressor end, carries out adiabatic compression, and the middle temperature pressurized gas after the compression enter the inlet hole of concentrating solar heat absorber 1 by outlet pipe, carry out circular work next time after heating.Description of drawings
Below in conjunction with figure light condensing solar energy power generation device of the present invention is done detailed description.
Fig. 1 is the light condensing solar energy power generation device structural representation.
Fig. 2 is a concentrating solar heat absorber structural representation.
Fig. 3 is a rotary volume-variable expansion compression engine structural representation.
Fig. 4 is a sealed mode magnetic coupling structural representation.
Fig. 5 is the permanent magnet generator structural representation.
According to shown in Figure 1, light condensing solar energy power generation device, comprise: concentrating solar heat absorber 1, rotary volume-variable expansion compression engine 2, heat pipe cooler 3, permanent magnet generator 4 and sealing magnetic coupling 5 most of compositions, wherein concentrating solar heat absorber 1 links to each other with rotary volume-variable expansion compression engine 2 by high-strength bolt.Make concentrating solar heat absorber 1 annular endoporus link to each other with the outrigger shaft of rotary volume-variable expansion compression engine, rotary volume-variable expansion compression engine 2 is calmed the anger to hold and is embedded heat pipe cooler 3, and rotary volume-variable expansion compression engine 2 links to each other with permanent magnet generator 5 by magnetic coupling 4.The gas compressor exhaust steam pipe links to each other with the heat absorber suction tude.
According to concentrating solar heat absorber 1 shown in Figure 2 is by heat pipe 1.1, interior welds plate bundle 1.2, sealing ring 1.3 and external casing 1.4, middle jacket 1.5, insulation daylighting chamber 1.6, two ends insulation end plate 1.7, suction tude 1.8 8 parts are formed, interior welds plate bundle 1.2 is made up of one group of very strong annulus ripple heat exchange copper coin sheet of the capacity of heat transmission, middle with higher primary school's quadrant such as cylindrical annulus is divided into two chambeies by two, form by the corrugated cardboard sheet of the groove that has circular arc in two chambeies, the porose working medium that is beneficial to flows in groove in the groove, have the circular taper hole bigger on the circumference with the heat pipe external diameter, the high-temperature heat pipe 1.1 of packing in the conical hole, high-temperature heat pipe 1.1 is together in series multi-disc metal circular corrugated sheet, the metal circular corrugated sheet passes a strong heat conduction copper sleeve ring 1.3 bigger than heat pipe caliber with joint, heat pipe hole during simultaneously every pressure a slice metal corrugated plate, the cylindrical bottom of circle is sphere, keep ball face sealing with the circular wave plate, by hydraulic pressure installation every is compressed, make metal heat-conducting lasso 1.3 and heat pipe 1.1 and good the engaging of welded plate bundle, every metal corrugated sheet by welding manner or plate week fluting add metallic O ring and keep gas seal under the High Temperature High Pressure, being enclosed within multi-disc welded plate bundle 1.2 external casings 1.4 adopts the gapless stainless steel tube of certain wall thickness to make, can bear certain pressure and prevent that the plate bundle is poorly sealed and be subjected to certain pressure that insulating ceramic is with thermal insulation in the middle of externally adding between housing and the interior welds plate bundle.By a cover plate 1.7 of wearing pottery metal corrugated plate is compressed sealing again, make concentrating solar heat absorber 1 can bear the High Temperature High Pressure of internal gas, insulation daylighting cavity 1.6 is equipped with in concentrating solar heat absorber 1 heat pipe heat absorbing end outside.Help daylighting and insulation, the central position of concentrating solar heat absorber 1 is welded with suction tude interface 1.8, links to each other with interface 1.8 by outlet pipe by the middle temperature pressurized gas after the compression, and gas carries out heat temperature raising in the concentrating solar heat absorber.Realize that by the rotation of running shaft in heat absorber that links to each other with main shaft the constant temperature of gas in heat absorber expands simultaneously.
According to Figure 3 shows that the rotary volume-variable expansion compression engine, be by left inflating end shell 2.1, left side inflating end big column cam 2.5, spacer sleeve 2.4 in the inflating end of a left side, left side inflating end small column cam 2.3, outer end plate 2.6 and center roller axle 2.11 have been formed the decompressor of rotary volume-variable expansion compression engine, the center roller axle is by the two ends high-temperature alloy, and the middle insulating ceramic that adopts is formed.Right gas compressor end housing 2.2, right gas compressor end big column cam 2.9, spacer sleeve 2.8 in the right gas compressor, right gas compressor end small column cam 2.7, outer end plate 2.10 has been formed the gas compressor of rotary volume-variable expansion compression engine.Be provided with heat pipe cooler heat pipe 3.1 in the right gas compressor end big column cam 2.9 shown in the figure, circular wave copper coin 3.2 with outer end plate 2.10 sealings, constitutes the end cooler 3 of calming the anger.
According to Figure 4 shows that the sealing magnetic coupling is by motor end active magnetic axis 4.1. shielding can 4.2, passive magnetic axis 4.3 is formed, shielding can is Working medium gas helium or aeroseal in the rotary volume-variable expansion compression engine in the magnetic coupling. and prevent to reveal, help raising the efficiency.Embodiment
Light condensing solar energy power generation device is collected in the light of disc type solar energy reflecting mirror reflection in the solar heat absorber 1 on the high-temperature heat pipe 1.1 by lightlng hole, wherein high-temperature heat pipe 1.1 heat absorbing end are coated with the high temperature heat that black chromium helps absorbing sunlight, high temperature passes on the concentrating solar heat absorber interior metal circular wave plate copper sheet by heat pipe, copper coin heats the helium of inner two chambers of heat absorber rapidly, helium is heated to 650-700 ℃ at the inner constant volume of heat absorber, and pressure increases 10Mpa-12Mpa.One of them gas to chamber communicates with rotary volume-variable swelling pressure mechanism of qi one-level expansion cavity by the engine charge hole, enter rotary volume-variable swelling pressure mechanism of qi motor one-level inflating end expansion acting, have at the one-level inflating end and to get wherein two slide plates that are mutually 180 degree in four slide plates and have the hole, make engine revolution 180 degree, gas is in the constant temperature inflation process in this process.When corner rotates the 180 degree left and right sides, this heating cavity with start the expansion chamber inlet hole to close, the outlet pipe that comes with gas compressor communicates, this moment in inside charges into warm high-pressure helium, and another heated cavity is communicated with motor one-level expansion chamber, close with the outlet pipe that gas compressor comes and in this moment optically focused heater another one chamber heated high temperature and high pressure gas be connected with motor one-level inflating end, do work by isothermal, like this middle temperature pressurized gas brought in of gas compressor in optically focused heater 1, go round and begin again through the constant volume heating, the isothermal expansion acting.This process realizes by the axle that motor stretches into trough of belt in solar heat absorber 1 endoporus outward, and two chambers of middle temperature high pressure draught and Photospot solar heat absorber that it can make gas compressor bring in are communicated with repeatedly, close and the closing and be communicated with of expander inlet.And the gas after the one-level expansion passes through the middle spacer sleeve of inflating end to compound expansion end expansion continuation acting.Gas is done adiabatic expansion in the compound expansion end, acting back gas is cooled, cooled gas is inhaled into the compression of gas compressor end, adopt aluminum alloy to add rib structure at the gas compressor end housing, help one-level compression cooling, helium after the compression feeds heat pipe cooler, and gas is further cooled off, and makes the one-level compression process near the isothermal compression process.Cooled pressurized gas is sucked by the secondary compaction cavum, further adiabatic compression, and after the compression, the gas of middle temperature high pressure inserts the concentrating solar heat absorber by outlet pipe and comes circular work.After realizing that the constant volume heat temperature raising boosts, rotation by rotatingshaft makes the gas isothermal expansion after the heating enter the one-level inflating end of rotary volume-variable expansion compression engine, in the one-level inflating end, rotate 180 degree, realize isothermal expansion, promote the acting of Slidine-vane rotor axle, press helium to enter further adiabatic expansion acting in the compound expansion volume in the high temperature after the expansion, up to pressure expansion till the barometric pressure.
The main shaft of rotary volume-variable expansion compression engine rotates, by airtight magnetic coupling, torque is passed to driven axle, on the magnetic force driving shaft of engine interior, high temperature resistant Rare-Earth Magnetic is housed, seal closure adopts the stainless steel sealing, and driven axle links to each other with permanent magnet generator, adopts the rare-earth Nd-Fe-B ferromagnetic material to do the magnetic material of coupling.
Magnetic coupling links to each other with the rotor of permanent magnet generator, drives rotor of permanent-magnetic power generator and rotates, and on the permanent magnet generator rotor N is housed, the magnetic pole that S is extremely alternate, and pole material adopts the rare-earth Nd-Fe-B material, makes the generating of permanent magnet generator stator coil cutting magnetic line.
Claims (4)
1. light condensing solar energy power generation device, comprise: concentrating solar heat absorber 1, rotary volume-variable expansion compression engine 2, heat pipe cooler 3, with sealing magnetic coupling 4 and permanent magnet generator 5 five most of compositions, it is characterized in that: described concentrating solar heat absorber 1 links to each other with rotary volume-variable expansion compression engine 2 by high-strength bolt.Make concentrating solar heat absorber 1 annular endoporus link to each other with the outrigger shaft of rotary volume-variable expansion compression engine, described rotary volume-variable expansion compression engine 2 is calmed the anger to hold and is embedded heat pipe cooler 3, and rotary volume-variable expansion compression engine 2 links to each other with permanent magnet generator 5 by magnetic coupling 4.The gas compressor outlet pipe links to each other with the heat absorber suction tude.
2. light condensing solar energy power generation device according to claim 1, it is characterized in that: described concentrating solar heat absorber 1 is by heat pipe 1.1, interior welds plate bundle 1.2, sealing ring 1.3 and external casing 1.4, middle jacket 1.5, insulation daylighting chamber 1.6, two ends insulation end plate 1.7, suction tude 1.8 8 parts are formed, interior welds plate bundle 1.2 is made up of one group of very strong circular ripple heat exchange copper coin sheet of the capacity of heat transmission, middle with higher primary school's quadrant such as cylindrical annulus is divided into two chambeies by two, form by the corrugated cardboard sheet of the groove that has circular arc in two chambeies, have the circular taper hole bigger on the circumference with the heat pipe external diameter, high-temperature heat pipe 1.1 is together in series multi-disc metal circular corrugated sheet, the metal circular corrugated sheet passes a strong heat conduction copper sleeve ring 1.3 bigger than heat pipe caliber with joint, heat pipe hole, the cylindrical bottom of circle is sphere, keep ball face sealing with the circular wave plate, every metal corrugated sheet by welding manner or plate week fluting add metallic O ring and keep gas seal under the High Temperature High Pressure, be enclosed within multi-disc welded plate bundle 1.2 external casings 1.4 and adopt the gapless stainless steel tube of certain wall thickness to make, insulating ceramic is with thermal insulation in the middle of externally adding between housing and the interior welds plate bundle.Cover plate 1.7 compresses sealing to metal corrugated plate, and insulation daylighting cavity 1.6 is equipped with in concentrating solar heat absorber 1 heat pipe heat absorbing end outside.The central position of concentrating solar heat absorber 1 is welded with suction tude interface 1.8.
3. light condensing solar energy power generation device according to claim 1, it is characterized in that: described rotary volume-variable expansion compression engine 2 is by left inflating end shell 2.1, left side inflating end big column cam 2.5, spacer sleeve 2.4 in the inflating end of a left side, left side inflating end small column cam 2.3, outer end plate 2.6, formed the decompressor of rotary volume-variable expansion compression engine with center roller axle 2.11, right gas compressor end housing 2.2, right gas compressor end big column cam 2.9, spacer sleeve 2.8 in the right gas compressor end, right gas compressor end small column cam 2.7, outer end plate 2.10 has been formed the gas compressor of rotary volume-variable expansion compression engine.Be provided with heat pipe cooler heat pipe 3.1 in the wherein right gas compressor end big column cam 2.9, circular wave copper coin 3.2 is with outer end plate 2.10 sealings.
4. light condensing solar energy power generation device according to claim 1 is characterized in that: described sealing magnetic coupling 4 is by motor end active magnetic axis 4.1. shielding can 4.2, passive magnetic axis 4.3 is formed, and shielding can is Working medium gas helium or aeroseal in the rotary volume-variable expansion compression engine in the magnetic coupling. prevent to reveal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105377133A CN102072116A (en) | 2010-03-26 | 2010-03-26 | Optical concentration type solar power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105377133A CN102072116A (en) | 2010-03-26 | 2010-03-26 | Optical concentration type solar power generation device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010136455.8A Division CN101818665B (en) | 2010-03-26 | 2010-03-26 | Rotary volume-variable expansion compression engine |
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| Publication Number | Publication Date |
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| CN102072116A true CN102072116A (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105377133A Pending CN102072116A (en) | 2010-03-26 | 2010-03-26 | Optical concentration type solar power generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775026A (en) * | 2014-01-16 | 2014-05-07 | 中国石油化工股份有限公司 | Self-generating electric heat tracing device for natural gas well |
| CN107672444A (en) * | 2017-05-12 | 2018-02-09 | 李云丛 | A kind of device using engine exhaust waste heat process auxiliary drive automobile |
-
2010
- 2010-03-26 CN CN2010105377133A patent/CN102072116A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775026A (en) * | 2014-01-16 | 2014-05-07 | 中国石油化工股份有限公司 | Self-generating electric heat tracing device for natural gas well |
| CN107672444A (en) * | 2017-05-12 | 2018-02-09 | 李云丛 | A kind of device using engine exhaust waste heat process auxiliary drive automobile |
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Application publication date: 20110525 |