CN205025699U - Light and heat vector power generation system - Google Patents
Light and heat vector power generation system Download PDFInfo
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- CN205025699U CN205025699U CN201520741315.1U CN201520741315U CN205025699U CN 205025699 U CN205025699 U CN 205025699U CN 201520741315 U CN201520741315 U CN 201520741315U CN 205025699 U CN205025699 U CN 205025699U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model provides a power generation system that light and heat vector power generation system, mainly by evaporation heat exchanger, condensation heat exchanger and return enthalpy exchanger pass through the pipeline will generate electricity one parallelly connected of together constituteing of circulation system, backheat circulation system and heat source system always. The theory of operation utilizes solar heat collector to carry out heating evaporation with the working medium that solar heat energy focused on in the high -efficient evaporimeter of negative pressure high proportion, make its vaporization evaporation be in charge of say rise to the high -end condenser more than certain height in the condensation become liquid, and the storage is in high -end reservoir, regulation through the flow air -vent valve, thereby make height ratio heavy -fluid attitude working medium the turbogenerator of low side department is got into through high -pressure pipeline and in drive turbine work promote the generator generated output, the heat absorption was evaporated during sun thermal -arrest was got back to again to the medium after that, the evaporation of going on the going round and beginning again continuous like this circulation electricity generation work that the condensation energy storage descend to be done manual work that makes progress. When not generating electricity at ordinary times, closed flow control valve, it is just reserve in high -end reservoir with a large amount of liquid working medium of condensation one -tenth storage in rising to the condenser in the continuous evaporation of working medium as long as have sunshine or heat, open the flow air -vent valve and can begin the stable work of generating electricity uniformly when needs generate electricity.
Description
Technical field
The utility model relates to structural design and the applied technical field of photothermal power generation and energy-storage system, particularly a kind of generated energy is stored directive flow to work realize generating photo-thermal vector power generation system.
Background technique
Along with the mankind are to the increase gradually of energy demand, the constraint of traditional energy in reserves, environmental pollution, energy efficiency and cost etc. highlights day by day.Seek energy substitution, studying new energy and utilizing becomes global common theme, is also following irreversible energy development trend.The predominating path of current searching new energy is brought into gradually in electric power system wind energy, solar energy.Solar electrical energy generation mainly contains two kinds on traditional approach, and one is utilize photovoltaic cell to convert solar energy into electrical energy, and be commonly called as photovoltaic generation, the cost of photovoltaic cell is high, and laid area is large, and optoelectronic conversion ratio is low; Two is utilize concentrating collector to be gathered by solar energy, and certain working medium is heated to a few Baidu in the future, is produced the superheated vapor of High Temperature High Pressure by heat exchanger, and driving steam turbine drive electrical generators generates electricity, and is commonly called as photothermal power generation.Traditional photothermal power generation, by solar energy acquisition model split, solar energy thermal-power-generating station mainly contains tower, slot type and disc type three class.Wherein trough type solar power generation technology is that the current world is the most ripe, is also that commercial operation is largest, the solar energy thermal-power-generating technology be most widely used.Trough type solar power generation converges on focal line position by groove type paraboloid condenser by sunlight, and at focal line place, tubulose heat absorber is laid at place, absorbs the solar energy after focusing on.After the internal flow medium (conduction oil) of tubulose heat absorber is heated, flow through heat exchanger heats water, produce water vapour (vapor (steam) temperature: more than 390 DEG C), produce power by steam turbine, pushing generator generates electricity.Adopt solar light-heat power-generation technology, avoid expensive silicon wafer photoelectric conversion technique, greatly can reduce the cost of solar electrical energy generation.The Solar use of this form also has an other forms of solar energy to change incomparable advantage, and namely the water of sun the subject of knowledge and the object of knowledge burning heat can be stored in huge container, within several hours after the sun sets, still can drive turbine generator.Therefore photothermal power generation technology degree of having electricity cost compared with solar photovoltaic technology is low, and scale is large, and efficiency is high.But such sunlight heat power generation technology, still have and take that floor area is huge, High Temperature High Pressure work, energy-storage thermal-insulating cost is high, and temperature naturally declines and to lose efficacy and by the shortcoming of weather restriction.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, there is provided a kind of than traditional pyroelectric technology advantageously, fundamentally solve the photo-thermal vector power generation system of the efficiency utilization various heating sources that floor space is large, High Temperature High Pressure, heat accumulation difficulty are high of Conventional thermoelectric system.
The working principle of photo-thermal vector power generation system described in the utility model, mainly utilize solar heat collector to be focused in sub-pressure high-efficient vaporizer by the thermal energy of the sun and heating evaporation is carried out to hyperbaric working medium, its vaporization is risen in the high-end condenser of more than certain altitude through pipeline and is condensed into liquid state, and be stored in high-end liquid-storage container, by the adjustment of flow pressure regulator valve, high gravity liquid working media is entered in the turbogenerator of lower end by high pressure pipe line and drives turbine thus pushing generator sends electric power, then medium returns heat absorption evaporation in solar heat-collection, the continuous like this evaporation carrying out going round and beginning again upwards condensation energy storage decline do manual work circulating generation work.When not generating electricity at ordinary times, close flow control valve, as long as have sunlight or heat, just working medium is constantly evaporated to rise in condenser and be condensed into a large amount of liquid working media and be stored in high-end liquid-storage container for subsequent use, open flow pressure regulator valve when needs generate electricity and can start stable and uniform ground power generation operation.
Photo-thermal vector power generation system described in the utility model, to be connected in parallel power generation cycle system, heat exchange cycle system and heat source system the total power generation system of of composition by pipeline primarily of evaporating heat exchanger, condensing heat exchanger and Recuperative heat exchanger.Described evaporating heat exchanger, thermal medium chamber is imported and exported and is connected with the pipeline of solar source, and cold media cavity is imported and exported and is connected with the pipeline of power generation cycle system; The thermal medium chamber of described condensing heat exchanger is imported and exported and is connected with the pipeline of power generation cycle system, and cold media cavity is imported and exported and is connected with the pipeline of heat exchange cycle system; The thermal medium chamber of described Recuperative heat exchanger is imported and exported and is connected with the pipeline of heat exchange cycle system, and cold medium is imported and exported and is connected with power generation cycle system.Described power generation cycle system composes in series an independently negative-pressure dense closed loop system by evaporating heat exchanger, condensing heat exchanger, natural condensation device, high-end liquid-storage container, flow pressure regulator valve, scrollwork generator, low side liquid-storage container, Recuperative heat exchanger by pipeline, has balance tube to be connected in series simultaneously and be communicated with between high-end liquid-storage container and low side liquid-storage container; Described heat exchange cycle system connects to form an independent closed circulatory system by Recuperative heat exchanger, balance liquid storage pot, condensing heat exchanger, recycle pump by pipeline; Described heat source system is connected to form by pipeline and evaporating heat exchanger by solar source.
During work, described solar source passes into heat release supply heat in the thermal medium chamber of evaporating heat exchanger, the working medium of described liquid state enters and absorbs heat in the cold media cavity of Recuperative heat exchanger and carry out preheating from low side liquid-storage container, the cold media cavity entering into evaporating heat exchanger again carries out absorbing heat in a large number flashing to steam state working medium, the thermal medium chamber exothermic condensation entering into the condenser heat exchange of eminence along pipeline rising becomes semi liquid state, and then saturated liquid working media is condensed into further in natural condensation device, liquid working media enter store up in high-end liquid-storage container poly-, again according to generating needs, the scrollwork generator being in lower end is entered into from the flow control valve opened, promote scrollwork generator rotary work and realize generating object, the liquid working media completed after generating acting enters into low side liquid-storage container, repeat again to enter in the cold media cavity of Recuperative heat exchanger the power generation cycle preparing to start next week again, constantly carry out like this evaporation that goes round and begins again upwards condensation energy storage to decline the circulating generation work of doing manual work, described heat exchange cycle system, when described cycle generating system is started working, the heat that backheat medium absorbs steam state power generation medium in the cold media cavity of condensing heat exchanger enters into the thermal medium chamber of Recuperative heat exchanger, heat is released displacement to the liquid working media that enters from low side liquid-storage container in the cold media cavity of Recuperative heat exchanger, and then be recycled pump and pump in condensing heat exchanger the extraction cycle that the row that again absorbs heat again goes round and begins again.
Can be found out by working principle, this photo-thermal vector power generation system and traditional solar-thermal generating system have obvious advantage:
(1) energy storage is stable without running off.Because this work system itself is an airtight circulatory system, what store in pipeline is the potential energy of working medium, as long as flow control valve is not opened, potential energy remains unchanged always; And traditional solar heat power technology is store heat, there is the naturally lost problem of energy; What photovoltaic generation directly stored is electric energy, is not to run off, be exactly the loss along with battery inversion with electrical network; Traditional energy storage of drawing water then can cause losing issue by Exposure to Sunlight consumes the impact of pumped storage.
(2) energy-storage system is flexible, does not limit by region.From essence, system stored energy described in the utility model is similar to energy storage of drawing water, but energy storage of drawing water affects by geographical environment always, generally can only close near the water source having upper and lower drop.The energy storage of native system then only to highly having requirement, so can flexible arrangement among the chain of mountains having height fall, also can be arranged in the side of the high building stood in great numbers, industrial high tower and electric power high tower.
(3) floor space is relatively less, and thermal source utilizes variation.Traditional solar generator and optoelectronic system all need very a large amount of solar collectors, and floor space is quite large; As long as and the hot grade requirement of thermal source of photo-thermal vector power generation system described in the utility model is not high has 60 DEG C just can work, then do not need at a large amount of trap of ground configuration, do not need to take too many floor area, thermal source source can also utilize various heat recovery, so the source of thermal source is versatile and flexible.
(4) fabricating cost is lower.Compared with traditional solar heat electric system, photo-thermal vector power generation system does not need to increase light tracing system, and structure is relatively succinct, and cost reduces relatively.
Accompanying drawing explanation
Fig. 1 is the novel system diagram of this reality, includes solar source 01, evaporating heat exchanger 02, condensing heat exchanger 03, natural condensation device 04, high-end liquid-storage container 05, flow pressure regulator valve 06, scrollwork generator 07, low side liquid-storage container 08, Recuperative heat exchanger 09, recycle pump 10, balance liquid storage pot 11, balance tube 12, oil filler 13.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, photo-thermal vector power generation system described in the utility model, a total system of the composition that by pipeline, power generation cycle system, heat exchange cycle system and heat source system is connected in parallel primarily of evaporating heat exchanger 02, condensing heat exchanger 03 and Recuperative heat exchanger 09.
Described evaporating heat exchanger 02, its thermal medium chamber and cold media cavity are relatively independent disconnected, and thermal medium chamber is imported and exported and is connected with the pipeline of solar source 01, and cold media cavity is imported and exported and is connected with the pipeline of power generation cycle system;
Described condensing heat exchanger 03, its thermal medium chamber and cold media cavity are relatively independent disconnected, and thermal medium chamber is imported and exported and is connected with the pipeline of power generation cycle system, and cold media cavity is imported and exported and is connected with the pipeline of heat exchange cycle system;
Described Recuperative heat exchanger 09, its thermal medium chamber and cold media cavity are relatively independent disconnected, and thermal medium chamber is imported and exported and is connected with the pipeline of heat exchange cycle system, and cold media cavity is imported and exported and is connected with power generation cycle system.
Described power generation cycle system is by evaporating heat exchanger 02, condensing heat exchanger 03, natural condensation device 04, high-end liquid-storage container 05, flow pressure regulator valve 06, scrollwork generator 07, low side liquid-storage container 08, Recuperative heat exchanger 09 and connecting tube composition, wherein the low side liquid-storage container 08 of lower will be arranged on connecting tube, the cold media cavity of Recuperative heat exchanger 09, the cold media cavity of evaporating heat exchanger 02, the thermal medium chamber of condensing heat exchanger 03, natural condensation device 04, high-end liquid-storage container 05, flow pressure regulator valve 06, scrollwork generator 07, low side liquid-storage container 08 is concatenated into the circulatory system of a sealed mode, from the filler 13 being arranged on high-end liquid-storage container 05, system is pumped into negative pressure state, then working medium is injected from this filler 13, be provided with balance tube 12 between high-end liquid-storage container 05 and low side liquid-storage container 08 to be communicated with,
Described heat exchange cycle system is by Recuperative heat exchanger 09, balance liquid storage pot 11, condensing heat exchanger 03, recycle pump 10 and connecting tube composition, wherein with the thermal medium chamber of connecting tube by Recuperative heat exchanger 09, the cold media cavity of condensing heat exchanger 03, recycle pump 10 connects into a closed circulation system, before described balance liquid storage pot 11 is connected in the cold media cavity import of condensing heat exchanger 03 by threeway, and be positioned at the highest point of heat exchange cycle system, backheat working medium injects from balance liquid storage pot 11, simultaneously, pressure switch is provided with in balance liquid storage pot, the nature pressure release when system overpressure,
Described heat source system consists of pipeline and evaporating heat exchanger 02 and connecting tube solar source 01, is wherein connected to form in the thermal medium chamber of solar source 01 with evaporating heat exchanger 02 with connecting tube.
During work, described solar source leads to 01 and enters heat release supply heat in the thermal medium chamber of evaporating heat exchanger 02, described power generation cycle system is under negative pressure state, liquid working medium enters and absorbs heat in the cold media cavity of Recuperative heat exchanger 09 and carry out preheating from low side liquid-storage container 08, the cold media cavity entering into evaporating heat exchanger 02 again carries out a large amount of heat absorption evaporation formation steam state working medium, rise along pipeline and enter into the thermal medium chamber exothermic condensation one-tenth liquid state of the condenser heat exchange 03 of eminence, and then be condensed into saturated liquid working media further through natural condensation device 04, liquid working media enters in high-end liquid-storage container 05 to store and gathers, the scrollwork generator 07 being in lower end is entered into from the flow control valve 06 opened, promote scrollwork generator 07 rotary work and realize generating object.The liquid working media completed after generating acting enters into low side liquid-storage container 08, repeat again again to start to enter the power generation cycle that Recuperative heat exchanger 09 prepares next week, constantly carry out like this evaporation that goes round and begins again upwards condensation energy storage to decline the circulating generation work of acting.
Described heat exchange cycle system, when described cycle generating system is started working, backheat medium enters into the thermal medium chamber of Recuperative heat exchanger 09 absorb the heat of steam state power generation medium in the cold media cavity of condensing heat exchanger 03 after, heat is released displacement to the liquid working media entered from low side liquid-storage container 08 in the cold media cavity of Recuperative heat exchanger 09, and then be recycled in pump 10 blowback condensing heat exchanger 03 extraction cycle carrying out going round and beginning again that again absorbs heat.Heat exchange cycle system, mainly be sent in evaporation link by wanting liberated heat to reclaim in the condensation link of power generation cycle system, make full use of the heat of thermal source supply, greatly improve condensation and the evaporation efficiency of power generation cycle system, thus also improve generating efficiency greatly.
Further, in described heat source system, thermal source is not limited only to be solar source, can be boiler heat supplying, can also be the waste heat used heat of various recovery.
Further, the pipeline connected between the cold media cavity of evaporating heat exchanger 02 and condensing heat exchanger 03 thermal medium chamber is the pipeline of overstriking diameter, and form the steam line chamber of a working medium, meanwhile, pipeline is outside equipped with thermal insulation layer.
Further, that the two ends of described balance tube 12 enter into high-end liquid-storage container 05 and low side liquid-storage container 08 inside respectively and be in highest point, the mouth of pipe otch of balance tube 12 is what cut sth. askew, or flower shape, object makes the mouth of pipe of balance tube 12 can not be blocked by the inwall of liquid-storage container;
Further, described condensing heat exchanger 03, natural condensation device 04, high-end liquid-storage container 05 are positioned at the highest point of photo-thermal vector power generation system described in the utility model, the height of three declines successively simultaneously, high-end liquid-storage container 05 must not higher than natural condensation device 04, and natural condensation device 04 must not higher than condensing heat exchanger 03.
Further, described scrollwork generator 07, low side heat reservoir 08, Recuperative heat exchanger 09, evaporating heat exchanger 02 are positioned at the lowest part of photo-thermal vector power generation system described in the utility model, while height decline successively, evaporating heat exchanger 02 must not higher than Recuperative heat exchanger 09, Recuperative heat exchanger 09 must not higher than low side liquid-storage container 08, and low side liquid-storage container 08 must not higher than scrollwork generator 07.
Further, natural condensation device 04 is not limited to be natural convection condenser, also can be forced convection formula condenser.
Further, the working medium in described power generation cycle system is that proportion is greater than water, and can carry out the medium of vapour-liquid binary states conversion by temperature variation; The adding amount of working medium, can not exceed 60% of whole power generation cycle overall system capacity.
Further, the backheat medium in described heat exchange cycle system is cooling liquid water, or heat conduction wet goods liquid heat-conducting medium; The adding amount of backheat medium is the capacity that heat exchange cycle system total capacity deducts 30% balance liquid storage pot volume.
Further, described filler, is not limited to only be arranged on high-end liquid-storage container 05, and other that can also be arranged in power generation cycle system can with on the arbitrary position of system connectivity.
Further, the working medium loop direction of described power generation cycle system and the backheat medium circulation side of heat exchange cycle system reverse each other.
Be explained in detail embodiments of the present invention by reference to the accompanying drawings above, but the present invention is not limited to, what possess person of ordinary skill in the field knows in scope, can also make various change under the prerequisite not departing from present inventive concept.
Claims (10)
1. a photo-thermal vector power generation system, its feature in this system in power generation cycle system, heat exchange cycle system and heat source system being connected in parallel the total power generation system of of composition by pipeline primarily of evaporating heat exchanger, condensing heat exchanger and Recuperative heat exchanger, described power generation cycle system is by evaporating heat exchanger, condensing heat exchanger, natural condensation device, high-end liquid-storage container, flow pressure regulator valve, scrollwork generator, low side liquid-storage container, Recuperative heat exchanger and connecting tube composition, the low side liquid-storage container of lower will be arranged on by connecting tube, the cold media cavity of Recuperative heat exchanger, the cold media cavity of evaporating heat exchanger, the thermal medium chamber of condensing heat exchanger, natural condensation device, high-end liquid-storage container, flow pressure regulator valve, scrollwork generator, low side liquid-storage container is concatenated into the circulatory system of a sealed mode, from the filler being arranged on high-end liquid-storage container, system is pumped into negative pressure state, then power generation operation medium is injected from this filler, high-end liquid-storage container and low side liquid-storage container are provided with balance tube simultaneously and are communicated with, described heat exchange cycle system is made up of Recuperative heat exchanger, balance liquid storage pot, condensing heat exchanger, recycle pump and connecting tube, by connecting tube, the thermal medium chamber of Recuperative heat exchanger, the cold media cavity of condensing heat exchanger, recycle pump are connected into a closed circulation system, before described balance liquid storage pot is connected in the cold media cavity import of condensing heat exchanger by threeway, and be positioned at the highest point of heat exchange cycle system, backheat working medium injects from balance liquid storage pot, simultaneously, pressure switch is provided with, the nature pressure release when system overpressure in balance liquid storage pot, described heat source system consists of pipeline and evaporating heat exchanger and connecting tube solar source, is connected to form by the thermal medium chamber of connecting tube by solar source and evaporating heat exchanger.
2. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that in heat source system, thermal source is not limited only to be solar source, can be the waste heat used heat of boiler heat supplying or various recovery.
3. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that the pipeline connected between the cold media cavity of evaporating heat exchanger and condensing heat exchanger thermal medium chamber, be the pipeline of overstriking diameter, form the steam line chamber of a working medium, outside pipeline, be provided with thermal insulation layer.
4. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that described condensing heat exchanger, natural condensation device, high-end liquid-storage container are positioned at the highest point of this photo-thermal vector power generation system, the height of three declines successively simultaneously, high-end liquid-storage container must not higher than natural condensation device, and natural condensation device must not higher than condensing heat exchanger.
5. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that scrollwork generator, low side heat reservoir, Recuperative heat exchanger, evaporating heat exchanger are positioned at the lowest part of this photo-thermal vector power generation system, while height decline successively, evaporating heat exchanger must not higher than Recuperative heat exchanger, Recuperative heat exchanger must not higher than low side liquid-storage container, and low side liquid-storage container must not higher than scrollwork generator.
6. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that natural condensation device is not limited to is natural convection condenser, also can be forced convection formula condenser.
7. photo-thermal vector power generation system as claimed in claim 1, is characterized in that the working medium in described power generation cycle system is that proportion is greater than water, and can carry out the medium of vapour-liquid binary states conversion by temperature variation; The adding amount of working medium, can not exceed 60% of whole power generation cycle overall system capacity.
8. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that the backheat medium in described heat exchange cycle system, is cooling liquid water, or heat conduction wet goods liquid heat-conducting medium; The adding amount of backheat medium is the capacity that heat exchange cycle system total capacity deducts 30% balance liquid storage pot volume.
9. photo-thermal vector power generation system as claimed in claim 1, is characterized in that described filler, is not limited to only be arranged on high-end liquid-storage container, can also be arranged on other arbitrary position that can be communicated with internal system in power generation cycle system.
10. photo-thermal vector power generation system as claimed in claim 1, it is characterized in that the two ends of described balance tube enter into high-end liquid-storage container respectively and low side liquid-storage container inner and be in highest point, the mouth of pipe otch of balance tube is what cut sth. askew, or flower shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520741315.1U CN205025699U (en) | 2015-09-21 | 2015-09-21 | Light and heat vector power generation system |
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| CN201520741315.1U CN205025699U (en) | 2015-09-21 | 2015-09-21 | Light and heat vector power generation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089586A (en) * | 2016-06-12 | 2016-11-09 | 安徽我要遛遛信息技术有限公司 | Solar energy, energy and wind energy integrative TRT |
| CN106545475A (en) * | 2015-09-21 | 2017-03-29 | 郎风 | Photo-thermal vector electricity generation system |
| CN106870311A (en) * | 2017-04-21 | 2017-06-20 | 丁大威 | It is a kind of to rise the system for being generated electricity using thermal current |
| CN107910985A (en) * | 2017-12-22 | 2018-04-13 | 中国科学院电工研究所 | A kind of afterheat generating system based on evaporation-cooled device |
-
2015
- 2015-09-21 CN CN201520741315.1U patent/CN205025699U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545475A (en) * | 2015-09-21 | 2017-03-29 | 郎风 | Photo-thermal vector electricity generation system |
| CN106089586A (en) * | 2016-06-12 | 2016-11-09 | 安徽我要遛遛信息技术有限公司 | Solar energy, energy and wind energy integrative TRT |
| CN106870311A (en) * | 2017-04-21 | 2017-06-20 | 丁大威 | It is a kind of to rise the system for being generated electricity using thermal current |
| CN107910985A (en) * | 2017-12-22 | 2018-04-13 | 中国科学院电工研究所 | A kind of afterheat generating system based on evaporation-cooled device |
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Effective date of registration: 20220223 Address after: 528231 one of the third floors of unit 102, block 6, Liandong youguyuan phase I, No. 3, East Third District, Jiansha Road, Danzao Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN CHANNENG ACER INVESTMENT Co.,Ltd. Address before: 528200 Xingyayuan E13-402, Xingye New Village, Guicheng, Nanhai District, Foshan City, Guangdong Province Patentee before: Lang Feng |
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