CN202914258U - Tower-type solar energy auxiliary thermal power generating system integrating gas and steam - Google Patents
Tower-type solar energy auxiliary thermal power generating system integrating gas and steam Download PDFInfo
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- CN202914258U CN202914258U CN2012205886848U CN201220588684U CN202914258U CN 202914258 U CN202914258 U CN 202914258U CN 2012205886848 U CN2012205886848 U CN 2012205886848U CN 201220588684 U CN201220588684 U CN 201220588684U CN 202914258 U CN202914258 U CN 202914258U
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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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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The utility model relates to a tower-type solar energy auxiliary thermal power generating system integrating gas and steam. The tower-type solar energy auxiliary thermal power generating system integrating the gas and the steam comprises a solar heat absorber, a gas turbine, a waste heat boiler and a steam turbine, wherein the waste heat boiler is connected with the gas turbine, the solar heat absorber is connected with the waste heat boiler, a smoke outlet of the gas turbine is communicated with a main flue of an opening section of the waste heat boiler, a bypass pipeline is arranged on the main flue, and a smoke distribution device is arranged on the bypass pipeline. When solar energy reaches a preset value, the smoke distribution device closes the bypass pipeline; and when the solar energy does not reach the preset value, the smoke distribution device opens the bypass pipeline. According to the tower-type solar energy auxiliary thermal power generating system integrating the gas and the steam, through the arrangement of the bypass pipeline on the main flue and the arrangement of the smoke distribution device, the flexible adjustment of the temperature of superheated steam is realized, the defect of instability when only the solar energy is used for power generation is overcome, generating efficiency and generating quality are improved, the amount of consumed fuel can be effectively reduced, and the purposes of saving energy and reducing emission are achieved.
Description
Technical field
The utility model relates generally to the solar thermal applications field, is specifically related to a kind of tower type solar assisted gas-steam integration heat generating system.
Background technique
Solar heat power generation system is to utilize heliostat that sunlight is reflexed on the receiving plane, then by heat-transfer working medium such as water, air, liquid metal or melt the heat energy that salt etc. changes solar radiant energy into receiving plane output.Simple solar heat power generation system is because investment is higher with cost of electricity-generating, on Economy, can't be equal to mutually with the conventional energy resource generating, and have the problems such as discontinuous and unstable, so solar energy and conventional power plant mixed power generation technology become the focus of utilization of new energy resources area research.
Solar energy and conventional power plant mixed power generation mode roughly can be divided three classes, this be by from its integrated different decision of conventional power plant type, the first kind is that Application of Solar Energy arrives in Rankine cycle (steam turbine) system; Equations of The Second Kind be Application of Solar Energy in brayton cycle (gas turbine) system, utilize solar energy to heat the high-pressure air of blower outlet; The 3rd class be with Application of Solar Energy in Gas-steam Combined Cycle, be the solar association circulatory system (Integrated Solar Combined Cycle, ISCC), utilize the high temperature waste hot exhaust of gas turbine as heat source, the saturated vapour that solar heat power generation system is produced further heats, become the superheated vapor of High Temperature High Pressure, enter the generating of steam turbine power generation unit, improve generating efficiency and efficiency of energy utilization.Solar energy-gas-vapo(u)r associating hybrid power system can overcome the unsettled shortcoming of simple solar electrical energy generation, improve generating efficiency and generating quality, the infringement of avoiding the steam turbine frequent start-stop that equipment is brought also can reduce fuel consumption, reaches the purpose of energy-saving and emission-reduction.
Present solar energy-gas-vapo(u)r associating hybrid power system is how integrated with trough type solar power generation system and fuel gas-steam power generation system, its systemic circulation process is: enter steam generator after the conduction oil in the groove type heat collector (general heat-absorbing medium is conduction oil) absorbs solar heat, feedwater one the tunnel enters steam generator and the conduction oil heat exchange produces little superheated vapor after preheating, the steam that solar thermal collector produces has replaced the steam that exhaust heat boiler produces in the part Gas-steam Combined Cycle, enter steam turbine, another road enters continues heating in the exhaust heat boiler that utilizes the gas turbine smoke exhaust heat, different with conventional boiler, combustion process does not occur in the exhaust heat boiler, there is not the relevant equipment of burning yet, in essence, it is the heat exchanger of a combustion gas-water/steam, it cooperates with gas turbine, the exhaust of gas turbine enters exhaust heat boiler, water in the heating heating surface, the water heat absorption becomes the steam of High Temperature High Pressure.The superheated vapor that the two-way feedwater generates enters steam turbine and drives the generator generating, finishes solar energy-gas-vapo(u)r combined cycle.Because the heat-carrying working medium of slot type system---conduction oil needs periodic replacement, the required precision of slot type reflecting mirror is high, manufacture difficulty is large, thereby its operation expense is high; And feedwater and conduction oil need to carry out heat exchange through steam generator, equipment investment cost and operation maintenance difficulty have been increased, therefore need the solar energy of development various ways-gas-vapo(u)r associating hybrid power system, to break through because the development obstacles of the solar combined power generating system that groove type solar system self deficiency causes.
The model utility content
The purpose of this utility model is for the deficiencies in the prior art, a kind of tower type solar that tower-type solar thermal power generating system and fuel gas-steam power generation system is integrated-gas-vapo(u)r association circulating power generation system is provided, this system has successfully solved solar energy can utilize the not temperature control problem of superheated vapor simultaneously of degree, overcome the unsettled shortcoming of simple solar electrical energy generation, generating efficiency and generating quality have been improved, and can effectively reduce fuel consumption, reach the purpose of energy-saving and emission-reduction.
The utility model solves the problems of the technologies described above the technological scheme that adopts:
A kind of tower type solar assisted gas-steam integration heat generating system, comprise solar heat absorber, gas turbine, exhaust heat boiler and steam turbine, described exhaust heat boiler is connected with gas turbine, described exhaust heat boiler, steam turbine, solar heat absorber forms a circulation loop, described solar heat absorber is connected with waste-heat boiler superheater, connecting tube between it is the passage that saturated vapour that solar heat absorber produces enters waste-heat boiler superheater, the smoke outlet of described gas turbine is communicated with the fire door section main flue channel of described exhaust heat boiler, one bypass pipeline is set on the described main flue channel, one smoke distributing equipment is set on the described bypass duct, when solar energy reached predefined value, described smoke distributing equipment was closed bypass duct; When solar energy did not reach predefined value, described smoke distributing equipment was opened bypass duct.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, described bypass duct one end is connected in the exhaust heat boiler main flue channel, and the other end is connected between waste-heat boiler superheater and the vaporizer.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, described smoke distributing equipment can be gas baffle.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, also comprise a control gear, regulate the gas baffle aperture by described control gear, and then regulate the flue gas sendout that enters main flue channel and bypass duct.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, smoke distributing equipment is closed bypass duct, described main flue channel is unique passage that flue gas enters exhaust heat boiler, flue gas flows through each heating surface of exhaust heat boiler successively by main flue channel, and the saturated vapour that the tower type solar heat absorber produces is introduced directly into waste-heat boiler superheater, replace the saturated vapour that the part of waste heat boiler produces, produce superheated vapor with the high-temperature flue gas heat exchange.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, smoke distributing equipment is opened bypass duct, described main flue channel and bypass duct thereof are the passage that flue gas enters exhaust heat boiler, the main flue channel flue gas flows through each heating surface of exhaust heat boiler successively, flows to next stage after the bypass duct flue gas enters exhaust heat boiler and mixes through the main flue channel flue gas after the superheater heat exchange.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, described solar heat absorber is connected with an oxygen-eliminating device, enters described solar heat absorber through the feedwater after the described oxygen-eliminating device deoxygenation by a solar heat absorber feed water pump.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler low pressure stage by a low pressure feed water pump.
According to the described tower type solar assisted gas of the utility model preferred embodiment-steam integration heat generating system, the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler high pressure section by a high pressure water pump.
The beneficial effects of the utility model are:
(1) tower type solar assisted gas-steam integration heat generating system both can overcome the unsettled shortcoming of simple solar electrical energy generation, improve generating efficiency and generating quality, saved huge energy storage apparatus investment, the infringement of avoiding the steam turbine frequent start-stop that equipment is brought, also can reduce amount of consumed gas, reach the purpose of energy-saving and emission-reduction;
(2) owing to enter the saturated vapour amount of the saturated vapour amount of superheater superheater when being less than solar energy and can utilizing can utilize without solar energy the time, if two kinds of dirty exhaust gas volumns through superheater of situation are identical, overtemperature of superheated vapor in the time of then may causing to utilize without solar energy, and the gas baffle of bypass flue can branch to the part smoke evacuation after the superheater, with mix through the main flue channel flue gas after the superheater heat exchange after enter vaporizer, thereby reach the purpose that prevents overtemperature of superheated vapor, solved solar energy and can utilize the not temperature control problem of superheated vapor simultaneously of degree;
(3) can the flue gas flow of main flue channel and bypass be distributed by regulating the gas baffle aperture, realize the free adjusting of superheat steam temperature.
Description of drawings
Fig. 1 is the structural representation of a kind of tower type solar assisted gas-steam integration heat generating system shown in the utility model specific embodiment;
Fig. 2 is a kind of tower type solar assisted gas shown in the utility model specific embodiment-workflow diagram of exhaust heat boiler when the steam integration heat generating system can utilize at solar energy;
Fig. 3 is a kind of tower type solar assisted gas shown in the utility model specific embodiment-workflow diagram of exhaust heat boiler when the steam integration heat generating system can not utilize at solar energy.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described further.Present embodiment is implemented under take technical solutions of the utility model as prerequisite, provided detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Referring to Fig. 1, be tower type solar assisted gas-steam integration heat generating system schematic representation, the tower type solar that the utility model provides-gas-vapo(u)r combined cycle system comprises tower type solar heat collecting field 1, solar heat absorber 2, gas turbine 3, generator 4, exhaust heat boiler 5 and steam turbine 6, exhaust heat boiler 5, steam turbine 6, solar heat absorber 2 forms circulation loop, exhaust heat boiler 5 is connected with gas turbine 3, solar heat absorber 2 is connected with waste-heat boiler superheater, connecting tube between it is the passage that saturated vapour that solar heat absorber 2 produces enters waste-heat boiler superheater, the smoke outlet of gas turbine 3 is communicated with the fire door section main flue channel 7 of exhaust heat boiler 5, bypass duct 8 also is set on the main flue channel 7, smoke distributing equipment 9 is set on the bypass duct 8, bypass smoke distributing equipment 9 can be gas baffle, when solar energy reached predefined value, smoke distributing equipment 9 was closed bypass duct 8; When solar energy did not reach predefined value, smoke distributing equipment 9 was opened bypass duct 8.Bypass duct 8 also comprises a control gear (not shown), regulates the gas baffle aperture by control gear, and then regulates the flue gas sendout that enters main flue channel 7 and bypass duct 8.
System also comprises cooling water subtense angle 10, condensate pump 11, gland heater 12, oxygen-eliminating device 13, low pressure feed water pump 14, high pressure water pump 15, solar heat absorber feed water pump 16 and valve 17, wherein cooling water subtense angle 10 comprises cooling tower 101, circulating water pump 102 and vapour condenser 103, cooling tower 101, circulating water pump 102 and vapour condenser 103 form a loop, steam turbine 6 is by the vapour condenser 103 in the cooling water subtense angle 10, after be connected to exhaust heat boiler 5 through condensate pump 11 and gland heater 12, be connected with oxygen-eliminating device 13 again, enter solar heat absorber 2 through the feedwater after oxygen-eliminating device 13 deoxygenations by valve 17 and solar heat absorber feed water pump 16; Feedwater after oxygen-eliminating device 13 deoxygenations also enters exhaust heat boiler 5 low pressure stages by low pressure feed water pump 14; Feedwater after oxygen-eliminating device 13 deoxygenations also enters exhaust heat boiler 5 high pressure sections by high pressure water pump 15.Wherein solar heat absorber 2, solar heat absorber feed water pump 16, valve 17 are composed in series the tower type solar vapour system, with the parallel running of former fuel gas-steam system.
Referring to Fig. 2 and Fig. 3, workflow diagram for exhaust heat boiler 5, the heating surface of exhaust heat boiler 5 is comprised of 51-57, and wherein 51 is water heater, and 52 is low-pressure coal saver, 53 is high-pressure economizer, 54 is low pressure evaporator, and 55 is low-pressure superheater, and 56 is high pressure evaporator, 57 is high-pressure superheater, and above-mentioned heating surface is flow through in the gas turbine smoke evacuation in a direction indicated by the arrow.One end of bypass duct 8 is connected in exhaust heat boiler main flue channel 7, and the other end is connected between exhaust heat boiler high-pressure superheater 57 and the high pressure evaporator 56.When solar energy reaches predefined value, can utilize solar combined power generating, as shown in Figure 2, the bypass gas baffle places closed position, main flue channel 7 enters unique passage of exhaust heat boiler 5 for flue gas, flue gas flows through exhaust heat boiler 5 each heating surfaces successively by main flue channel 7, and the saturated vapour that solar heat absorber 2 produces enters waste-heat boiler superheater by the connecting tube between solar heat absorber 2 and the waste-heat boiler superheater.Water of condensation at first enters water heater 51 and carries out preheating, after oxygen-eliminating device 13 deoxygenations, one the tunnel enters low-pressure coal saver 52 through low pressure feed water pump 14, and one the tunnel enters high-pressure economizer 53 through high pressure water pump 15, and one the tunnel enters solar heat absorber 2 through solar heat absorber feed water pump 16.
First via feedwater is warmed up to a little less than the saturation temperature under the drum pressure at low-pressure coal saver 52 interior absorbing heats and enters drum, the water that enters drum is with after saturation water in the drum mixes, entering low pressure evaporator 54 absorbing heats along the falling tube of drum below begins to steam, normally only have part water to become vapour, so low pressure evaporator 54 interior mobile be steam water interface, steam water interface leaves low pressure evaporator 54 and enters the top drum and separate, water is fallen in the drum water space and is entered falling tube and continue heat absorption and steam, the low-pressure saturated steam that produces enters low-pressure superheater 55 from drum top, and absorbing heat makes low-pressure saturated steam become low-pressure superheated steam;
The the second tunnel feedwater enters drum and saturation water in the drum mixes after the interior absorbing heats of high-pressure economizer 53 heat up after, enter high pressure evaporator 56 absorbing heats along falling tube and begin to steam, the high-pressure saturated steam of generation enters high-pressure superheater 57 and produces high pressure superheated steam from drum top;
The Third Road feedwater absorbs solar radiation energy in solar heat absorber 2, produce saturated vapour and enter high-pressure superheater 57, and this saturated vapour and exhaust heat boiler 5 evaporator sections produce saturated vapour equitemperature, pressure.
Referring to Fig. 3, evening or cloudy day can be utilized without solar energy, when solar energy does not reach predefined value, throttle down 17, the bypass gas baffle places the enable possition, at this moment, main flue channel 7 and bypass duct 8 thereof are the passage that flue gas enters exhaust heat boiler 5, flue gas is divided into two-way thus, one road flue gas flows through each heating surface of exhaust heat boiler by main flue channel 7, and another road flue gas flows to high pressure evaporator 56 after then entering exhaust heat boiler 5 and mix through the main flue channel flue gas after high-pressure superheater 57 heat exchange by bypass duct 8.Be less than the saturated vapour amount that enters high-pressure superheater 57 when solar energy can utilize owing to enter the saturated vapour amount of high-pressure superheater 57 in the time of can utilizing without solar energy, the exhaust gas volumn of high-pressure superheater 57 is identical if flow through in two kinds of situations, overtemperature of superheated vapor in the time of then may causing solar energy not reach setting value, therefore the design of bypass duct 8 can branch to partial fume after the high-pressure superheater 57, with mix through the flue gas after high-pressure superheater 57 heat exchange after enter again high-pressure evaporation 56, thereby reach the purpose that prevents overtemperature of superheated vapor.
Now select the 6F level to fire dynamo-electric factory and the tower type solar system carries out combined cycle generation, under the condition that does not change existing exhaust heat boiler basic structure and Gas Turbine Output, steam turbine 6 rated power 37.68MW, gas turbine 3 rated power 73.64MW, exhaust heat boiler 5 high pressure steam flow 111t/h, solar energy-gas-vapo(u)r cogeneration fate was by 200 days, calculate 8 hours every days, the saturated vapour amount of introducing when solar heat absorber 2 account for saturated vapour amount that former gas-steam combined cycle system produces 50% the time, than former gas-steam combined cycle system, year increases generated energy 2206.4 ten thousand kilowatt hours, be equivalent to a year about feast-brand mark coal 7700t, reducing emission of carbon dioxide 22890.79t, reducing emission of sulfur dioxide 246.41t reduces discharging oxynitrides 57.76t.This shows, dropping in the certain situation of fuel, can significantly increase the power station generated energy, reach the purpose of energy-saving and emission-reduction, meet the low-carbon environment-friendly requirement.
More than disclosed only be the application's a specific embodiment, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's the protection domain.
Claims (9)
1. tower type solar assisted gas-steam integration heat generating system, it is characterized in that, comprise solar heat absorber, gas turbine, exhaust heat boiler and steam turbine, described exhaust heat boiler is connected with gas turbine, described exhaust heat boiler, steam turbine, solar heat absorber forms a circulation loop, described solar heat absorber is connected with waste-heat boiler superheater, connecting tube between it is the passage that saturated vapour that solar heat absorber produces enters waste-heat boiler superheater, the smoke outlet of described gas turbine is communicated with the fire door section main flue channel of described exhaust heat boiler, one bypass pipeline is set on the described main flue channel, one smoke distributing equipment is set on the described bypass duct, when solar energy reached predefined value, described smoke distributing equipment was closed bypass duct; When solar energy did not reach predefined value, described smoke distributing equipment was opened bypass duct.
2. the tower type solar assisted gas shown in according to claim 1-steam integration heat generating system is characterized in that described bypass duct one end is connected in the exhaust heat boiler main flue channel, and the other end is connected between waste-heat boiler superheater and the vaporizer.
3. the tower type solar assisted gas shown in according to claim 1-steam integration heat generating system is characterized in that described smoke distributing equipment can be gas baffle.
4. the tower type solar assisted gas shown in according to claim 3-steam integration heat generating system, it is characterized in that, also comprise a control gear, regulate the gas baffle aperture by described control gear, and then regulate the flue gas sendout that enters main flue channel and bypass duct.
5. the tower type solar assisted gas shown in according to claim 1-steam integration heat generating system, it is characterized in that, smoke distributing equipment is closed bypass duct, described main flue channel is unique passage that flue gas enters exhaust heat boiler, flue gas flows through each heating surface of exhaust heat boiler successively by main flue channel, and the saturated vapour that solar heat absorber produces enters waste-heat boiler superheater by the connecting tube between solar heat absorber and the waste-heat boiler superheater.
6. the tower type solar assisted gas shown in according to claim 1-steam integration heat generating system, it is characterized in that, smoke distributing equipment is opened bypass duct, described main flue channel and bypass duct thereof are the passage that flue gas enters exhaust heat boiler, the main flue channel flue gas flows through each heating surface of exhaust heat boiler successively, enters next stage after the bypass duct flue gas enters exhaust heat boiler and mixes through the main flue channel flue gas after the superheater heat exchange.
7. the tower type solar assisted gas shown in according to claim 1-steam integration heat generating system, it is characterized in that, described solar heat absorber is connected with an oxygen-eliminating device, enters described solar heat absorber through the feedwater after the described oxygen-eliminating device deoxygenation by a solar heat absorber feed water pump.
8. the tower type solar assisted gas shown in according to claim 7-steam integration heat generating system is characterized in that the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler low pressure stage by a low pressure feed water pump.
9. the tower type solar assisted gas shown in according to claim 7-steam integration heat generating system is characterized in that the feedwater after described oxygen-eliminating device deoxygenation also enters described exhaust heat boiler high pressure section by a high pressure water pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205886848U CN202914258U (en) | 2012-11-09 | 2012-11-09 | Tower-type solar energy auxiliary thermal power generating system integrating gas and steam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205886848U CN202914258U (en) | 2012-11-09 | 2012-11-09 | Tower-type solar energy auxiliary thermal power generating system integrating gas and steam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966495A (en) * | 2012-11-09 | 2013-03-13 | 青海中控太阳能发电有限公司 | Tower type solar energy-steam combustion gas combined cycle power generation system |
| CN105114940A (en) * | 2015-09-21 | 2015-12-02 | 章礼道 | Jet flue gas recycling method for preventing spray opening burning loss of secondary reheating boiler |
-
2012
- 2012-11-09 CN CN2012205886848U patent/CN202914258U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966495A (en) * | 2012-11-09 | 2013-03-13 | 青海中控太阳能发电有限公司 | Tower type solar energy-steam combustion gas combined cycle power generation system |
| CN102966495B (en) * | 2012-11-09 | 2015-02-11 | 青海中控太阳能发电有限公司 | Tower type solar energy-steam combustion gas combined cycle power generation system |
| CN105114940A (en) * | 2015-09-21 | 2015-12-02 | 章礼道 | Jet flue gas recycling method for preventing spray opening burning loss of secondary reheating boiler |
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Effective date of registration: 20170727 Address after: 310053 Binjiang District City, Hangzhou Province, No. six and No. 307 Road, building 8, layer 9, layer 1, Patentee after: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. Address before: 3 floor, 313 floor, new canteen, Delingha City, Qinghai Province, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, 817000 Patentee before: QINGHAI SUPCON SOLAR ENERGY POWER GENERATION Co.,Ltd. |
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Effective date of registration: 20190528 Address after: 310053 8 and 9 floors of No. 307 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Co-patentee after: ZHEJIANG ZHONGGUANG NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee after: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. Address before: 310053 8 and 9 floors of No. 307 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20191216 Address after: 310053, Zhejiang, Binjiang District, six and 307 Road, 1,, 8, 9 Patentee after: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. Address before: 310053, Zhejiang, Binjiang District, six and 307 Road, 1,, 8, 9 Co-patentee before: ZHEJIANG ZHONGGUANG NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. |
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Address after: 310018 1-2603, No. 501, No. 2 street, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Kesheng Technology Co.,Ltd. Address before: 310053 8 and 9 floors of No. 307 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20130501 |