CN108347184A - A kind of pulverized coal boiler ignition plasma cabinet power source special - Google Patents
A kind of pulverized coal boiler ignition plasma cabinet power source special Download PDFInfo
- Publication number
- CN108347184A CN108347184A CN201810088560.5A CN201810088560A CN108347184A CN 108347184 A CN108347184 A CN 108347184A CN 201810088560 A CN201810088560 A CN 201810088560A CN 108347184 A CN108347184 A CN 108347184A
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- power module
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- pulverized coal
- power
- module
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 230000003071 parasitic effect Effects 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 14
- 239000002817 coal dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of pulverized coal boiler ignition plasma cabinet power source specials, are related to pulverized coal boiler ignition technical field.Including high frequency switch power cabinet, switch power module and major loop；High frequency switch power cabinet includes power module and monitoring module；Monitoring module is communicatively coupled with several power modules；Monitoring module is connect with touch screen；Switch power module is super-micro crystallite soft magnetic material high frequency transformer；Major loop uses two-layer configuration, and prime is three phase rectifier and passive PFC conversion modules, and for the transformation of three-phase alternating current to direct current, rear class is DC/DC modules；Major loop further includes having full-bridge converter.The present invention solves extremely uneconomic in such a way that plasma cabinet power source special carries out pulverized coal boiler ignition, consumes a large amount of liquid comburant (-rent), production cost is high；The problem of gross efficiency of boiler is low, causes environmental pollution serious, and boiler heating surface is by high temperature corrosion.
Description
Technical field
The invention belongs to technical fields, more particularly to a kind of pulverized coal boiler ignition plasma cabinet power source special.
Background technology
With the development of the social economy, while economic level is constantly promoted, the protection problem of environment increasingly by
The attention of society and people.The universal sparking mode of pulverized-coal fired boiler is by grease gun igniting, i.e., near coal burner at present
A certain number of oil guns are arranged in specified position, when boiler startup, first light torch oil gun, oily flame are sprayed to burner hearth, by burner hearth
Temperature is increased to make the temperature of coal powder ignition, is then sprayed into coal dust and carries out oily coal multifuel combustion, when coal dust reaches stable combustion in burner hearth
When burning, oil gun operation can be stopped, completing the process of pulverized coal boiler ignition.But the mode of this oil drop fire there are pole without
Ji, a large amount of liquid comburant (-rent) is consumed, production cost is high；The burning of coal dust is insufficient, and the gross efficiency of boiler is low；Oily coal is mixed
Burning produces a large amount of NOx, SOx, causes environmental pollution；Oil gun is generally located on high-temperature region, and easily forming carbon granules at nozzle blocks,
Influence normal input；Make boiler heating surface by problems such as high temperature corrosions.
Invention content
The purpose of the present invention is to provide a kind of pulverized coal boiler ignition plasma cabinet power source specials, pass through plasma
Cabinet power source special carries out the mode of pulverized coal boiler ignition, solves extremely uneconomic, consumes a large amount of liquid comburant (-rent), produces
Of high cost, burning is insufficient, and the gross efficiency of boiler is low, and oily coal multifuel combustion produces a large amount of NOx, SOx, causes environmental pollution tight
The problem of weight, boiler heating surface is by high temperature corrosion.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of pulverized coal boiler ignition plasma cabinet power source special, including high frequency switch power cabinet, switch
Power module and major loop；
The high frequency switch power cabinet includes power module and monitoring module；The monitoring module and several power modules into
Row communication connection；The monitoring module is connect with touch screen；
The switch power module is super-micro crystallite soft magnetic material high frequency transformer；
It is three phase rectifier and passive PFC conversion modules that the major loop, which uses two-layer configuration, prime, is used for three-phase alternating current
To the transformation of direct current, have and improve circuit power factor, reduces power supply to the harmonic pollution of power grid, have the excellent of high reliability
Point, rear class are DC/DC modules, are used for the transformation and output of DC voltage, and the DC/DC modules use ZVS soft switch techniques, make
Switching tube in DC/DC translation circuits is operated in Sofe Switch state, reduces switching loss when Switching Power Supply high frequency, improves electricity
Source efficiency reduces the advantages of EMI is interfered；
The major loop further includes having full-bridge converter, and the full-bridge converter is used for phase-shifting full-bridge ZVS pwm converters
Realize that DC/AC/DC transformation, DC/AC transformation are to be completed by two bridge arms of full-bridge, and AC/DC is completed by full bridge rectifier.
Further, the switch power module internal circuit uses high-frequency inversion scheme；The monitoring module is provided with
Compatible CAN and analog signal interface, have the advantages that can with remotely communicated；The effect of the switch power module, has
Output voltage electric current is continuously adjustable, and defencive function is quickly perfect, and voltage and current output accuracy is high, and overall efficiency full load efficiency is high,
Seriation and standardized advantage.
Further, the control source of the switch power module is AC380V, exports 75A/700W；The Switching Power Supply
Module is connect with touch screen；The effect of the switch power module and touch screen has long-range machine open/close, voltage setting, power supply
Status information display function, and can more automatic current equalizings the advantages of.
Further, the major loop uses phase-shift control mode, and increases additional auxiliary resonance circuit, for switching
Resonance between pipe parasitic capacitance and transformer leakage inductance and resonant inductance, having makes four switching tubes of full-bridge be operated in Sofe Switch
State, the switching loss of Switching Power Supply when greatly reducing high frequency, the advantages of improving the efficiency of power supply；The major loop further includes auxiliary
Help power circuit, EMI suppression circuits, control circuit, driving circuit, protection circuit.
Further, the control circuit of the power module uses Digital Control chip；The power module uses peak
It is worth current-mode, can inhibits and improve the dynamic response of power supply to output ripple.
Further, the monitoring module is arranged at the top of each power cabinet；The monitoring module is used for：
A) open and close of each power module；
B) setting of each power module output voltage, electric current；
C) sampling of each power module real-time voltage value, current value；
D) monitoring and protection interlocking that each power module is alarmed；
E) single power module or entire power cabinet are debugged.
Further, the appearance and size ratio of the Switching Power Supply cabinet is：It is long：It is wide：High=1000:600：1300；It is described to open
Close power cabinet a kind of appearance and size be respectively：Long 1000mm, width 600mm, high 1300mm.
Further, the appearance and size ratio of the switch power module is：It is long：It is wide：High=596:242：282；It is described to open
A kind of appearance and size of powered-down source module is respectively：Long 596mm, width 242mm, high 282mm.
The invention has the advantages that：
1, for the present invention in such a way that plasma cabinet power source special carries out pulverized coal boiler ignition, igniting can be directly to coal dust
The advantages of mixture realizes igniting, has saving fuel oil, and coal dust fully burns, and flameholding, and environmental pollution reduces.
2, the present invention is by the effect of plasma cabinet power source special, and continuously adjustable with voltage and current, voltage and current is defeated
Go out precision height；Defencive function is quickly perfect；Normalised power unit designs, high power density layout, good EMC performances；If
It is equipped with connection in series-parallel control interface, additional switch board can be designed according to client's specific requirement and switching circuit realizes more power supply connection in series-parallel
The advantages of function.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is Switching Power Supply cabinet theory of constitution figure；
Fig. 2 is switch power module functional block diagram；
Fig. 3 is phase-shifting full-bridge ZVS PWM shift theory block diagrams；
Fig. 4 is power module control circuit functional block diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -4, the present invention is a kind of pulverized coal boiler ignition plasma cabinet power source special, including high frequency
Switching Power Supply cabinet, switch power module and major loop；
High frequency switch power cabinet includes power module and monitoring module；Monitoring module and four power modules carry out communication link
It connects；Monitoring module is connect with touch screen；
Switch power module is super-micro crystallite soft magnetic material high frequency transformer；
Major loop uses two-layer configuration, and prime is three phase rectifier and passive PFC conversion modules, for three-phase alternating current to directly
The transformation of galvanic electricity has and improves circuit power factor, reduces power supply to the harmonic pollution of power grid, has the advantages of high reliability,
Rear class is DC/DC modules, is used for the transformation and output of DC voltage, and DC/DC modules use ZVS soft switch techniques, DC/DC is made to become
The switching tube changed in circuit is operated in Sofe Switch state, reduces switching loss when Switching Power Supply high frequency, improves power-efficient,
The advantages of reducing EMI interference；
Major loop further includes having full-bridge converter, and full-bridge converter realizes DC/ for phase-shifting full-bridge ZVS pwm converters
AC/DC is converted, and DC/AC transformation is to be completed by two bridge arms of full-bridge, and AC/DC is completed by full bridge rectifier.
Wherein, switch power module internal circuit uses high-frequency inversion scheme；Monitoring module is provided with compatible CAN and simulation
Signaling interface, have the advantages that can with remotely communicated；There is output voltage electric current continuously may be used for the effect of switch power module
It adjusts, defencive function is quickly perfect, and voltage and current output accuracy is high, and overall efficiency full load efficiency is high, seriation and standardized excellent
Point.
Wherein, the control source of switch power module is AC380V, exports 75A/700W；Switch power module and touch screen
Connection；There is long-range machine open/close, voltage setting, power state information to show work(for the effect of switch power module and touch screen
Can, and can more automatic current equalizings the advantages of.
Wherein, major loop uses phase-shift control mode, and increases additional auxiliary resonance circuit, for the parasitic electricity of switching tube
Appearance and the resonance between transformer leakage inductance and resonant inductance, having makes four switching tubes of full-bridge be operated in Sofe Switch state, greatly
The switching loss of big Switching Power Supply when reducing high frequency, the advantages of improving the efficiency of power supply；Major loop further include auxiliary power circuit,
EMI suppression circuits, control circuit, driving circuit, protection circuit.
Wherein, the control circuit of power module uses Digital Control chip；Power module uses peak-current mode, can
To inhibit and improve the dynamic response of power supply to output ripple.
Wherein, monitoring module is arranged at the top of each power cabinet；Monitoring module is used for：
A) open and close of each power module；
B) setting of each power module output voltage, electric current；
C) sampling of each power module real-time voltage value, current value；
D) monitoring and protection interlocking that each power module is alarmed；
E) single power module or entire power cabinet are debugged.
Wherein, the appearance and size ratio of Switching Power Supply cabinet is：It is long：It is wide：High=1000:600：1300；The one of Switching Power Supply cabinet
Planting appearance and size is respectively：Long 1000mm, width 600mm, high 1300mm.
Wherein, the appearance and size ratio of switch power module is：It is long：It is wide：High=596:242：282；Switch power module
A kind of appearance and size is respectively：Long 596mm, width 242mm, high 282mm.
Wherein, the operating environment requirements of plasma cabinet power source special have：A, output exchange：380VAC ± 10%；B, may be used
The ground connection environment leaned on；C, operating ambient temperature is -10 DEG C~+40 DEG C；D, cold in-water temperature is not more than 40 DEG C.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of pulverized coal boiler ignition plasma cabinet power source special, it is characterised in that：Including high frequency switch power cabinet, switch
Power module and major loop；
The high frequency switch power cabinet includes power module and monitoring module；The monitoring module is led to several power modules
Letter connection；The monitoring module is connect with touch screen；
The switch power module is super-micro crystallite soft magnetic material high frequency transformer；
The major loop uses two-layer configuration, and prime is three phase rectifier and passive PFC conversion modules, for three-phase alternating current to directly
The transformation of galvanic electricity, rear class are DC/DC modules, are used for the transformation and output of DC voltage；
The major loop further includes having full-bridge converter, and the full-bridge converter is realized for phase-shifting full-bridge ZVS pwm converters
DC/AC/DC is converted, and DC/AC transformation is to be completed by two bridge arms of full-bridge, and AC/DC is completed by full bridge rectifier.
2. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
Switch power module internal circuit uses high-frequency inversion scheme；The switch power module is provided with compatible CAN and analog signal
Interface.
3. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
The control source of switch power module is AC380V, exports 75A/700W；The switch power module is connect with touch screen.
4. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
Major loop uses phase-shift control mode, and increases additional auxiliary resonance circuit, is leaked for switching tube parasitic capacitance and transformer
Resonance between sense and resonant inductance；The major loop further includes auxiliary power circuit, EMI suppression circuits, control circuit, driving
Circuit, protection circuit.
5. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
The control circuit of power module uses Digital Control chip；The power module uses peak-current mode.
6. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
Monitoring module is arranged at the top of each power cabinet；The monitoring module is used for：
A) open and close of each power module；
B) setting of each power module output voltage, electric current；
C) sampling of each power module real-time voltage value, current value；
D) monitoring and protection interlocking that each power module is alarmed；
E) single power module or entire power cabinet are debugged.
7. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
The appearance and size ratio of Switching Power Supply cabinet is：It is long：It is wide：High=1000:600：1300.
8. a kind of pulverized coal boiler ignition according to claim 1 plasma cabinet power source special, which is characterized in that described
The appearance and size ratio of switch power module is：It is long：It is wide：High=596:242：282.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088560.5A CN108347184A (en) | 2018-01-30 | 2018-01-30 | A kind of pulverized coal boiler ignition plasma cabinet power source special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088560.5A CN108347184A (en) | 2018-01-30 | 2018-01-30 | A kind of pulverized coal boiler ignition plasma cabinet power source special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108347184A true CN108347184A (en) | 2018-07-31 |
Family
ID=62960693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088560.5A Pending CN108347184A (en) | 2018-01-30 | 2018-01-30 | A kind of pulverized coal boiler ignition plasma cabinet power source special |
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| Country | Link |
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| CN (1) | CN108347184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865111A (en) * | 2020-07-22 | 2020-10-30 | 新风光电子科技股份有限公司 | High-power AC/DC conversion plasma igniter driving circuit and method |
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| WO2018002619A1 (en) * | 2016-06-30 | 2018-01-04 | The University Of Nottingham | High frequency high power converter system |
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| CN101237193A (en) * | 2007-11-15 | 2008-08-06 | 华南理工大学 | Built-in intelligent node modular high-frequency soft switch electrolysis power |
| CN101557107A (en) * | 2008-04-08 | 2009-10-14 | 致茂电子股份有限公司 | Current control and system monitoring device of module-type DC power supply system |
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| CN111865111A (en) * | 2020-07-22 | 2020-10-30 | 新风光电子科技股份有限公司 | High-power AC/DC conversion plasma igniter driving circuit and method |
| CN111865111B (en) * | 2020-07-22 | 2024-02-20 | 新风光电子科技股份有限公司 | High-power AC/DC conversion plasma igniter driving circuit and method |
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Effective date of registration: 20200622 Address after: 242700 room 108, building 4, 2nd Street, Huangshan West Road, Tunxi District, Huangshan City, Anhui Province Applicant after: Jin Guowei Address before: 230000 C-1, R & D building, KB4-4 block, high tech Zone, Hefei, Anhui, 802, 804, 807. Applicant before: ANHUI JINYI POWER TECHNOLOGY Co.,Ltd. |
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