CN108105791B - Rotary high-temperature slag waste heat recovery device - Google Patents
Rotary high-temperature slag waste heat recovery device Download PDFInfo
- Publication number
- CN108105791B CN108105791B CN201810026658.8A CN201810026658A CN108105791B CN 108105791 B CN108105791 B CN 108105791B CN 201810026658 A CN201810026658 A CN 201810026658A CN 108105791 B CN108105791 B CN 108105791B
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- shell
- waste heat
- heat recovery
- recovery device
- unit
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- 239000002893 slag Substances 0.000 title claims abstract description 75
- 239000002918 waste heat Substances 0.000 title claims abstract description 53
- 238000011084 recovery Methods 0.000 title claims abstract description 49
- 238000007599 discharging Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000003818 cinder Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention belongs to the field of waste heat recycling equipment, and particularly relates to a rotary high-temperature slag waste heat recycling device. The invention provides a rotary high-temperature slag waste heat recovery device, which comprises: a waste heat recovery unit and a rotating unit; the waste heat recovery unit comprises a shell and a heat exchange layer; the shell is a cylinder with a hollow structure, and the heat exchange layer is arranged on the inner wall of the shell; the rotating unit comprises a rotating shaft and a groove storage chamber; the rotating shaft is coaxially arranged in the center of the shell, the groove storage chamber is arranged in the hollow structure of the shell and Zhou Xianggu is arranged on the side face of the rotating shaft, and the opening end of the groove storage chamber faces the side face of the shell; the upper part of the side surface of the shell is provided with a feed inlet, and the lower part of the side surface of the shell is provided with a discharge outlet.
Description
Technical Field
The invention belongs to the field of waste heat recycling equipment, and particularly relates to a rotary high-temperature slag waste heat recycling device.
Background
The cinder is used as waste produced by industrial combustion equipment and has the characteristics of high temperature and recycling. The coal cinder treatment mode at the present stage is mainly natural cooling or landfill treatment, so that not only can the resource waste be caused, but also secondary pollution can be caused. In addition, the slag material itself has poor fluidity and cannot be applied to the traditional liquid heat exchanger.
Disclosure of Invention
The invention provides a rotary high-temperature slag waste heat recovery device which is used for solving the problems of resource waste and secondary pollution caused by natural cooling or landfill treatment of coal slag.
The specific technical scheme of the invention is as follows:
a rotary high temperature slag waste heat recovery device comprising: a waste heat recovery unit and a rotating unit;
the waste heat recovery unit comprises a shell and a heat exchange layer;
the shell is a cylinder with a hollow structure, and the heat exchange layer is arranged on the inner wall of the shell;
the rotating unit comprises a rotating shaft and a groove storage chamber;
the rotating shaft is coaxially arranged in the center of the shell, the groove storage chamber is arranged in the hollow structure of the shell and Zhou Xianggu is arranged on the side face of the rotating shaft, and the opening end of the groove storage chamber faces the side face of the shell;
the upper part of the side surface of the shell is provided with a feed inlet, and the lower part of the side surface of the shell is provided with a discharge outlet.
Preferably, the rotating unit further comprises a roller;
the roller is arranged at the top end of the groove storage chamber.
Preferably, the waste heat recovery unit further comprises an annular guide rail;
the annular guide rail is arranged on the heat exchange layer and is in contact with the roller.
Preferably, the waste heat recovery unit further comprises a heat preservation layer;
the heat preservation layer is coated on the outer wall of the shell.
Preferably, the heat exchange layer is provided with a coil heat exchanger.
Preferably, the method further comprises: a slag discharging unit;
the slag discharging unit comprises a slag discharging chamber, and an opening of the slag discharging chamber faces the discharge hole.
Preferably, the slag discharging unit further comprises a spray water head;
the slag discharging chamber is a rectangular shell;
the spray water head is arranged on the inner wall of the side face of the slag discharging chamber.
Preferably, the discharge port is provided with a discharge gate.
Preferably, the method further comprises: a driving unit;
an output shaft of the driving unit is connected with the rotating shaft.
Preferably, the method further comprises: a supporting unit;
the supporting unit comprises a foot support, and the foot support is fixedly connected with the heat preservation layer on the side face of the shell.
In summary, the present invention provides a rotary high-temperature slag waste heat recovery device, including: a waste heat recovery unit and a rotating unit; the waste heat recovery unit comprises a shell and a heat exchange layer; the shell is a cylinder with a hollow structure, and the heat exchange layer is arranged on the inner wall of the shell; the rotating unit comprises a rotating shaft and a groove storage chamber; the rotating shaft is coaxially arranged in the center of the shell, the groove storage chamber is arranged in the hollow structure of the shell and Zhou Xianggu is arranged on the side face of the rotating shaft, and the opening end of the groove storage chamber faces the side face of the shell; the upper part of the side surface of the shell is provided with a feed inlet, and the lower part of the side surface of the shell is provided with a discharge outlet. In the invention, the heat exchange layer is arranged on the inner wall of the shell, the heat exchange area is large, the groove storage chamber of the rotating unit is arranged in the hollow structure of the shell and circumferentially fixed on the side surface of the rotating shaft, the rotating shaft can drive the groove storage chamber to rotate, heat exchange between cinder in the groove storage chamber and the heat exchange layer is accelerated, the rotating speed and time of the rotating shaft can be adjusted according to actual needs, the residence time of cinder in the groove storage chamber is controlled, higher heat exchange efficiency is ensured, and the invention has the characteristics of energy conservation and environmental protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a front cross-sectional view of a rotary high temperature slag waste heat recovery device provided in an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a rotary high temperature slag waste heat recovery device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a coiled heat exchanger according to an embodiment of the present invention;
illustration of: 1. a rotating unit; 2. a waste heat recovery unit; 3. a slag discharging chamber; 4. a rotating shaft; 5. a groove storage chamber; 6. a roller; 7. a steel frame; 8. a coil heat exchanger; 9. a heat preservation layer; 10. a feed inlet; 11. a discharge gate; 12. spray head; 13. an annular guide rail; 14. a coil pipe fixing frame; 15. a foot support.
Detailed Description
The invention provides a rotary high-temperature slag waste heat recovery device which is used for solving the problems of resource waste and secondary pollution caused by natural cooling or landfill treatment of coal slag.
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, a front cross-sectional view of a rotary high-temperature slag waste heat recovery device provided in an embodiment of the present invention, a side cross-sectional view of a rotary high-temperature slag waste heat recovery device provided in an embodiment of the present invention, and a schematic structural diagram of a coiled heat exchanger provided in an embodiment of the present invention are shown respectively.
A rotary high temperature slag waste heat recovery device comprising: a waste heat recovery unit 2 and a rotation unit 1;
the waste heat recovery unit 2 comprises a shell and a heat exchange layer;
the shell is a cylinder with a hollow structure, and the heat exchange layer is arranged on the inner wall of the shell;
the rotating unit 1 comprises a rotating shaft 4 and a groove storage chamber 5;
the rotating shaft 4 is coaxially arranged in the center of the shell, the groove storage chamber 5 is arranged in the hollow structure of the shell and circumferentially fixed on the side surface of the rotating shaft 4, and the opening end of the groove storage chamber 5 faces the side surface of the shell;
a feed inlet 10 is arranged above the side surface of the shell, and a discharge outlet is arranged below the side surface of the shell.
The heat exchange layer sets up in the inner wall of casing, and heat transfer area is big, and rotary unit 1's recess storage room 5 sets up in the hollow structure of casing and circumference is fixed in the side of pivot 4, and pivot 4 can drive recess storage room 5 and rotate, accelerates the cinder and the heat exchange layer of recess storage room 5 and carries out the heat transfer to, can adjust rotational speed and time of pivot 4, the dwell time of the cinder of control recess storage room 5 according to actual need, guarantee higher heat exchange efficiency, have energy-conservation, environmental protection's characteristics.
In the embodiment of the invention, the groove storage chamber 5 is fixed on the side surface of the rotating shaft 4 through a steel frame 7;
the number of the groove storage chambers 5 is two or more.
In the embodiment of the invention, the number of the groove storage chambers 5 is 6.
The feed inlet 10 is rectangular, and the size of the rectangle is slightly smaller than the cambered surface size of the open end of the groove storage chamber 5 facing the side surface of the shell.
Further, the rotating unit 1 further comprises a roller 6;
the gyro wheel 6 sets up in the top of recess storage room 5, and gyro wheel 6 passes through screw assembly fastening in the top of recess storage room 5.
Further, the waste heat recovery unit 2 further comprises an annular guide rail 13;
the annular guide rail 13 is arranged on the heat exchange layer and is in contact with the roller 6, and the annular guide rail 13 is matched with the roller 6.
Further, the waste heat recovery unit 2 further comprises a heat preservation layer 9;
the heat preservation layer 9 is coated on the outer wall of the shell.
In the embodiment of the invention, the heat exchange layer is provided with the coil heat exchanger 8, the heat exchange layer is arranged on the inner walls of the side face and the bottom face of the shell, the coil heat exchanger 8 is fully distributed on the heat exchange layer, and the outer surface of the coil heat exchanger 8 is provided with the coil fixing frame 14.
Further, the method further comprises the following steps: a slag discharging unit;
the slag discharging unit comprises a slag discharging chamber 3, and an opening of the slag discharging chamber 3 faces to the discharge hole.
Further, the slag discharging unit also comprises a spray water head 12;
the slag discharging chamber 3 is a rectangular shell;
the spray water head 12 is arranged on the inner wall of the side surface of the slag discharging chamber 3.
The number of the spray heads 12 is two or more, and the waste slag can be cooled.
In the embodiment of the invention, the discharge port is provided with a discharge gate 11.
The discharge gate 11 is electrically controlled, and the opening and closing states of the discharge gate 11 can be controlled by a controller.
Further, the method further comprises the following steps: a driving unit;
the output shaft of the drive unit is connected with the rotating shaft 4.
The rotating shaft 4 is electrically controlled, and the rotation and suspension of the rotating shaft 4 can be controlled by a controller.
Further, the method further comprises the following steps: a supporting unit;
the supporting unit comprises a foot support 15, the foot support 15 is fixedly connected with the heat preservation 9 on the side face of the shell, and the foot support 15 is used for fixing the rotary high-temperature slag waste heat recovery device.
The rotary high-temperature slag waste heat recovery device provided by the embodiment of the invention has the advantages that the structure is simple, the design is ingenious, the rotary unit 1 is adopted to facilitate the improvement of the high-temperature slag recovery space, the residence time of solid slag in the rotary high-temperature slag waste heat device can be obviously improved through the rotation of the rotary shaft 4, the radiation heat exchange area is large, and the waste heat recovery and utilization efficiency is higher; the inner wall of the side surface of the slag discharging chamber 3 is provided with the spray water head 12, and the spray water head 12 is utilized to continuously spray high-temperature dust which is diffused in the slag discharging chamber 3, so that on one hand, the dust can be effectively removed, the pollution of the dust to the environment is reduced, on the other hand, the waste slag can be cooled, and the recovery treatment is convenient; the outer wall cladding of casing has heat preservation 9, can prevent that high temperature cinder heat from losing, and make full use of its heat conduction heat and radiant heat heats the inside feedwater of coil heat exchanger 8, can the furthest utilize the produced waste heat resource of high temperature cinder, can avoid the cinder to discharge the heat pollution that causes in the environment, has energy-conserving, environmental protection's characteristics.
The above is a detailed description of an embodiment of a rotary high-temperature slag waste heat recovery device provided by the embodiment of the present invention, and the following is a detailed description of an application example of the rotary high-temperature slag waste heat recovery device provided by the embodiment of the present invention.
High-temperature slag (solid waste) is placed into a feed inlet 10 through a loader, after a first groove storage chamber is full of high-temperature slag, a motor is controlled by a controller to enable a rotating shaft 4 to rotate for 60 degrees to reach a second groove storage chamber, the rotation is paused, the high-temperature slag is continuously waited for being full of the storage chamber, and so on, the high-temperature slag can be ensured to be continuously stored in a rotating unit 1 after rotating for a circle, the high-temperature slag can be continuously heated for water supply in a coil heat exchanger 8 in a heat conduction and radiation heat exchange mode, after the temperature of the slag is reduced, a discharge gate 11 is opened through the controller to control the motor, the waste slag can be discharged out of the groove storage chamber 5, and then the waste slag is cooled through a spray head 12 arranged on the inner side surface of a slag discharging chamber 3, so that the waste slag can be conveniently and industrially recovered in the later stage. The rotary type high-temperature slag waste heat recovery device provided by the embodiment of the invention can be used for carrying out waste heat utilization on the high-temperature slag, so that the high-temperature slag recovery space can be increased, the residence time of the high-temperature slag in the rotary device can be freely controlled, the higher heat exchange efficiency is ensured, and the rotary type high-temperature slag waste heat recovery device has the characteristics of energy conservation and environmental friendliness.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The utility model provides a rotation type high temperature slag waste heat recovery device which characterized in that includes: a waste heat recovery unit and a rotating unit;
the waste heat recovery unit comprises a shell and a heat exchange layer;
the shell is a cylinder with a hollow structure, and the heat exchange layer is arranged on the inner wall of the shell;
the rotating unit comprises a rotating shaft and a groove storage chamber;
the rotating shaft is coaxially arranged in the center of the shell, the groove storage chamber is arranged in the hollow structure of the shell and Zhou Xianggu is arranged on the side face of the rotating shaft, and the opening end of the groove storage chamber faces the side face of the shell;
the upper part of the side surface of the shell is provided with a feed inlet, and the lower part of the side surface of the shell is provided with a discharge outlet.
2. The rotary high temperature slag waste heat recovery device of claim 1, wherein the rotary unit further comprises rollers;
the roller is arranged at the top end of the groove storage chamber.
3. The rotary high temperature slag waste heat recovery device of claim 2, wherein the waste heat recovery unit further comprises a circular rail;
the annular guide rail is arranged on the heat exchange layer and is in contact with the roller.
4. The rotary high temperature slag waste heat recovery device of claim 1, wherein the waste heat recovery unit further comprises a heat preservation layer;
the heat preservation layer is coated on the outer wall of the shell.
5. The rotary high temperature slag waste heat recovery device of claim 1, wherein the heat exchange layer is arranged with a coil heat exchanger.
6. The rotary high temperature slag waste heat recovery device of claim 1, further comprising: a slag discharging unit;
the slag discharging unit comprises a slag discharging chamber, and an opening of the slag discharging chamber faces the discharge hole.
7. The rotary high temperature slag waste heat recovery device of claim 6, wherein the slag discharge unit further comprises a spray head;
the slag discharging chamber is a rectangular shell;
the spray water head is arranged on the inner wall of the side face of the slag discharging chamber.
8. The rotary high temperature slag waste heat recovery device of claim 1, wherein the discharge port is provided with a discharge gate.
9. The rotary high temperature slag waste heat recovery device of claim 1, further comprising: a driving unit;
an output shaft of the driving unit is connected with the rotating shaft.
10. The rotary high temperature slag waste heat recovery device of claim 1, further comprising: a supporting unit;
the supporting unit comprises a foot support, and the foot support is fixedly connected with the heat preservation layer on the side face of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026658.8A CN108105791B (en) | 2018-01-11 | 2018-01-11 | Rotary high-temperature slag waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026658.8A CN108105791B (en) | 2018-01-11 | 2018-01-11 | Rotary high-temperature slag waste heat recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108105791A CN108105791A (en) | 2018-06-01 |
| CN108105791B true CN108105791B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810026658.8A Active CN108105791B (en) | 2018-01-11 | 2018-01-11 | Rotary high-temperature slag waste heat recovery device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108105791B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981406B (en) * | 2018-07-24 | 2019-11-29 | 江苏蓝电环保股份有限公司 | A kind of pyrometallurgy clinker energy source recovery apparatus |
| CN110566984B (en) * | 2019-08-06 | 2021-04-13 | 江西齐劲材料有限公司 | Boiler slag waste heat recovery utilizes system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289462A (en) * | 1978-10-16 | 1981-09-15 | Nippon Kokan Kabushiki Kaisha | Apparatus for manufacturing vitreous blast furnace slag |
| JPS59173128A (en) * | 1983-03-19 | 1984-10-01 | Nippon Steel Corp | Discharge device of vertical cooling furnace for particulate body |
| CN202470084U (en) * | 2012-03-08 | 2012-10-03 | 白德贵 | High-temperature end cover at slag inlet end of slag cooler |
| JP2013215721A (en) * | 2012-03-13 | 2013-10-24 | Jfe Steel Corp | Facility and method for recovering metal in slag |
| CN203810424U (en) * | 2014-03-23 | 2014-09-03 | 德阳劲达节能科技有限责任公司 | Multitube roller slag cooler with shaftless spiral heat exchange tubes |
| CN104374232A (en) * | 2014-11-30 | 2015-02-25 | 重庆环际低碳节能技术开发有限公司 | Rotor feeding structure for cleaning |
| WO2015097303A1 (en) * | 2013-12-26 | 2015-07-02 | Technip France | Rotary cooler |
| CN205856406U (en) * | 2016-03-04 | 2017-01-04 | 广东工业大学 | Sawdust high-temperature gasification stove |
| CN106705081A (en) * | 2015-11-15 | 2017-05-24 | 重庆乾顺科技有限公司 | Slag waste heat recovery device |
| CN207716444U (en) * | 2018-01-11 | 2018-08-10 | 广东电网有限责任公司电力科学研究院 | A kind of rotary high temp furnace slag residual heat recovering device |
-
2018
- 2018-01-11 CN CN201810026658.8A patent/CN108105791B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289462A (en) * | 1978-10-16 | 1981-09-15 | Nippon Kokan Kabushiki Kaisha | Apparatus for manufacturing vitreous blast furnace slag |
| JPS59173128A (en) * | 1983-03-19 | 1984-10-01 | Nippon Steel Corp | Discharge device of vertical cooling furnace for particulate body |
| CN202470084U (en) * | 2012-03-08 | 2012-10-03 | 白德贵 | High-temperature end cover at slag inlet end of slag cooler |
| JP2013215721A (en) * | 2012-03-13 | 2013-10-24 | Jfe Steel Corp | Facility and method for recovering metal in slag |
| WO2015097303A1 (en) * | 2013-12-26 | 2015-07-02 | Technip France | Rotary cooler |
| CN203810424U (en) * | 2014-03-23 | 2014-09-03 | 德阳劲达节能科技有限责任公司 | Multitube roller slag cooler with shaftless spiral heat exchange tubes |
| CN104374232A (en) * | 2014-11-30 | 2015-02-25 | 重庆环际低碳节能技术开发有限公司 | Rotor feeding structure for cleaning |
| CN106705081A (en) * | 2015-11-15 | 2017-05-24 | 重庆乾顺科技有限公司 | Slag waste heat recovery device |
| CN205856406U (en) * | 2016-03-04 | 2017-01-04 | 广东工业大学 | Sawdust high-temperature gasification stove |
| CN207716444U (en) * | 2018-01-11 | 2018-08-10 | 广东电网有限责任公司电力科学研究院 | A kind of rotary high temp furnace slag residual heat recovering device |
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| Publication number | Publication date |
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| CN108105791A (en) | 2018-06-01 |
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Effective date of registration: 20200115 Address after: 510000 room 501-503, annex building, Huaye building, No.1-3, Chumo new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant after: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Applicant before: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. |
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Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant after: China Southern Power Grid Power Technology Co.,Ltd. Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. |
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