CN104959282B - A kind of anti-oxidation coating apparatus and coating furnace drying method - Google Patents
A kind of anti-oxidation coating apparatus and coating furnace drying method Download PDFInfo
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- CN104959282B CN104959282B CN201510446274.8A CN201510446274A CN104959282B CN 104959282 B CN104959282 B CN 104959282B CN 201510446274 A CN201510446274 A CN 201510446274A CN 104959282 B CN104959282 B CN 104959282B
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- casing
- baking space
- oxygen
- sealing plate
- coating apparatus
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- 238000000576 coating method Methods 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000001035 drying Methods 0.000 title claims abstract description 43
- 230000003064 anti-oxidating effect Effects 0.000 title claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 239000011261 inert gas Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 235000021168 barbecue Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of anti-oxidation coating apparatus, unwinding device, coater head, drying unit and recovery including placing material to be coated have been coated with the wrap-up for the material dried, the drying unit includes the casing that two communicates, casing two is provided with moveable sealing plate, sealing plate is provided with and allows the resigning hole that material passes through, sealing plate forms baking space, the inert gas input hole and combustion mechanism for being provided with heating arrangements in the baking space, being connected with extraneous inertia feeder with casing；The sealing plate moves in the presence of inert gas to casing both sides, while combustion mechanism igniting consumes the oxygen in the baking space.Effectively material can be prevented to be oxidized in drying course using the present invention program.The present invention also provides a kind of coating furnace drying method simultaneously, effectively reduces the possibility that material is oxidized in coating process.
Description
Technical field
The present invention relates to a kind of coating apparatus, particularly a kind of anti-oxidation coating apparatus and coating furnace drying method.
Background technology
At present, coating machine is very common equipment in the industry, and purposes is varied.According to the physical property of oar material and production
Product demand, there is coating oar material easily to aoxidize in an environment of high temperature, now just need to carry out anti-oxidation processing, in general processing side
Method is injects inert gas into baking space, and to discharge the oxygen in baking space, but this method can only water down baking sky
Interior oxygen, coating oar material are still oxidized easily, and what is also had is basic without the anti-oxidation processing of progress, and such oar material is in high temperature
Just it is oxidized under environment.As patent infrared lamp heat baking oven and coating machine, its Patent No. 201310353935.3, its
Publication date is on November 20th, 2013, and its disclosed scheme is a kind of baking oven of infrared lamp heating, it include oven main body,
Air return system and heating system；The heating system includes more infrared lamps, and more infrared lamps are arranged at oven main body
Inwall；The air return system includes air channel, and the both ends in air channel connect with oven main body respectively, when infrared heating pipe heats, returns
Wind system drives the air in oven main body to be circulated along air channel；The oven main body includes more piece, often saves oven main body
Length is three meters, often saves and is evenly arranged with eight or nine infrared lamps in the top inner wall of oven main body；The infrared lamp with
The plane where matrix in oven main body is parallel；The more infrared lamps are in the same plane and arrive base to be dried
The distance of plane is 90-110mm where body.
Above-mentioned patent does not carry out anti-oxidation processing in baking, is not suitable for oxidizable coating oar material.
The content of the invention
The present invention provides a kind of anti-oxidation coating apparatus to solve defect present in prior art, by setting one
Transformable baking space, the oxygen in the baking space is consumed by way of injecting inert gas and burning, so as to anti-
Only oxidizable coating oar material is oxidized in drying, and scheme is as follows.
A kind of anti-oxidation coating apparatus, including place the unwinding device of material to be coated, coater head, drying unit and return
Receive the wrap-up for the material for having been coated with having dried, the casing that the drying unit includes control circuit and two communicates, casing
Two is provided with moveable sealing plate, and sealing plate, which is provided with, allows the resigning hole that material passes through, and it is empty that sealing plate with casing forms baking
Between, provided with heating arrangements, the inert gas input hole and combustor that are connected with extraneous inertia feeder in the baking space
Structure；The sealing plate moves in the presence of inert gas to casing both sides, while the combustion mechanism igniting consumption baking is empty
Interior oxygen.
Further, the casing is provided with sliding rail, and sealing plate is provided with the sliding block being engaged with sliding rail.
Further, the casing is provided with the fixed block that limitation sealing plate departs from casing.
Further, the material to be coated is rolled up for copper foil, and copper foil volume is positioned on unwinding device, and coated head is coated
Anaerobic is dried in drying unit after oar material.
Further, the heating arrangements include temperature sensor and heating component, and heating component is located on the casing,
Temperature sensor is connected with the control circuit prevents that temperature is too high in the baking space.
Further, the combustion mechanism includes ignition and hydrogen, and combustion of hydrogen is consumed in the baking space
Oxygen and form water vapour.
Further, the oxygen sensor for monitoring oxygen content in the baking space is provided with the casing, oxygen passes
Sensor is connected with control circuit.
Further, the inert gas is nitrogen or argon gas.
Further, drying unit is one or more.
The present invention also provides a kind of coating furnace drying method, further improves drying oxidation-protective effect.
One kind coating furnace drying method, comprises the following steps：
（1）Injection inert gas in toward the baking space, and the sealing plate is moved to casing both sides, increase baking
The volume in space；
（2）Keeping the supply of inert gas prevents oxygen from entering, while lights mechanism and lighted a fire in baking space, consumes
Oxygen in the barbecue space；
（3）Keeping the supply of inert gas prevents oxygen from entering, and heating arrangements heat to baking space；
（4）Keeping the supply of inert gas prevents oxygen from entering, when the temperature in the baking space reaches preset temperature
When, applying material to be dried, which enters in baking space, to be toasted；
（5）Wrap-up has collapsed the material dried.
Due to as follows using technical scheme, its advantage.
1. the present invention is by setting moveable sealing plate so that baking space can change from small to big, so as to so as to become
The oxygen in baking space after big is very thin, so as to reduce the degree that coating sizing-agent is oxidized in drying course.
2. further, setting a combustion mechanism in the baking space, baking is consumed by lighting combustible
Oxygen in space, so as to further reduce the oxygen in baking space, make coating sizing-agent not oxidized in drying course.
3. by the hydrogen combusted gas in the baking space, hydrogen forms water and by high temperature evaporation with oxygen reaction, so that
Applying material will not be polluted, keep the cleaning of product.
4. by setting temperature sensor on drying unit, effectively control the temperature in baking space, prevent oar material because
Temperature is too high and produces rotten or burning danger.
Brief description of the drawings
Fig. 1 is a kind of anti-oxidation coating apparatus schematic diagram.
Fig. 2 is drying unit stereogram.
Fig. 3 is drying unit explosive view.
Fig. 4 is casing stereogram.
Fig. 5 is heating arrangements stereogram.
Fig. 6 is a kind of coating furnace drying method block diagram.
Accompanying drawing identifier declaration
1. unwinding device；2. coater head；3 drying units；4. rear drive equipment；5. wrap-up；31. casing；311.
Inert gas input hole；312. heating rod holes；313. sliding rail；314. combustion mechanism；32. sealing plate；321. resigning hole；
322. sliding block；33.；The heating rod of heating arrangements 331..
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
As shown in Figures 1 to 5, a kind of anti-oxidation coating apparatus, including place the unwinding device 1 of material to be coated, coating
Head 2, drying unit 3, rear drive equipment 4 and recovery have been coated with the wrap-up 5 for the material dried.It is to be coated in the present invention
Material rolled up for copper foil or other materials, such as aluminium foil, moldable, it is most important that oar material can produce in baking
Oxidation.Copper foil volume is placed on unwinding device 1, then by coating office, then by drying unit 3, then through rear drive equipment 4
Pull, finally collapse on wrap-up 5.The anti-oxidation coating apparatus can set one or more drying units 3, according to
Needing can be with unrestricted choice；When there is multiple drying units 3, the temperature of each drying unit can be uniformly controlled, can also
It is independent control.In one preferred scheme, the temperature independent control of drying unit 3, and temperature is each different, close to coater head
Drying unit temperature is higher, more lower rearward.
As shown in figure 4, the casing 31 that the drying unit 3 includes control circuit and two communicates, casing 31, which is provided with, to be slided
Dynamic rail road 313, a preferred scheme of the invention are centered on the middle part of casing 31, and tetragonal symmetry is provided with 8 sliding rails 313, a left side 4
Bar, it is right four.The middle part of casing 31 have it is a bit of there is no track, spatially allow inert gas to enter provided with one in no track
Inert gas input hole 311, inert gas input hole 311 is connected with the device of the supply inert gas in the external world, indifferent gas
It can also be multiple that body input hole 311, which can be one,.Body of the inert gas feeding mechanism supply with certain pressure intensity, its pressure
More than one standard atmospheric pressure.One preferred scheme is more than 1.5 standard atmospheric pressures for the pressure of inert gas.So be advantageous to sky
The discharge of gas and promotion sealing plate 32 are displaced outwardly.The oxygen for monitoring oxygen content in the baking space is provided with the casing
Sensor, oxygen sensor are connected with control circuit, oxygen sensor or to be one or multiple, and a preferred scheme is in institute
The both ends for stating casing 21 respectively set the oxygen content that an oxygen sensor is used in monitoring box body.
As shown in Figures 2 and 3, the two of casing 31 is provided with moveable sealing plate 32, and sealing plate 32, which is provided with, allows material to lead to
The resigning hole 321 crossed, sealing plate 32 form baking space with casing 31, heating arrangements 33 and burning are provided with the baking space
Mechanism 314.Sealing plate 32 is provided with coordinates the sliding block 322 slided, effect of the sealing plate 32 in inert gas with sliding rail 313
Lower to be moved to the both sides of casing 31, such baking space will become big, and the air in original baking space will be discharged, and not arranged
The air gone out can also become very thin, and oxygen content is seldom.Casing 31 is provided with limitation sealing plate 32 and departs from the spacing of casing 31
Block, prevent sealing plate 32 from departing from casing 31 in the presence of inert gas, when sealing plate 32 contacts limited block, baking now
Space is maximum.The present invention is by setting moveable sealing plate 32 so that baking space can change from small to big, so as to so as to become
The oxygen in baking space after big is very thin, so as to reduce the degree that coating sizing-agent is oxidized in drying course.Drying
During roasting space maximum, the igniting of combustion mechanism 314 consumes the oxygen in the baking space.Combustion mechanism 314 includes electronic ignition
Device and hydrogen, combustion of hydrogen consume the oxygen in the baking space, hydrogen and oxygen reaction generation water, baking of the water in high temperature
Water vapour is formed in space and discharges barbecue space.The present invention sets a combustion mechanism 314 in the baking space, passes through
Combustible is lighted to consume the oxygen in baking space, so as to further reduce the oxygen in baking space, allows coating sizing-agent
It is not oxidized in drying course.Additionally by the hydrogen combusted gas in the baking space, hydrogen forms water simultaneously with oxygen reaction
By high temperature evaporation, so as to be polluted to applying material, the cleaning of product is kept.
As shown in Figure 3 and Figure 5, casing 31 is provided with heating arrangements 33, and the heating arrangements 33 include lower box 31, nowel
Body 31 is provided with heating component, and heating component can be heating rod, resistive heater or infrared heating etc..The present invention is from heating
Rod 331, heating rod 331 are located at the middle part of the lower box 31, and it is empty to enter baking through the hole 312 of heating rod 331 of casing 31
Between in.Temperature sensor is additionally provided with baking space, temperature sensor is connected with control circuit prevents temperature in the baking space
Spend height.Heretofore described material to be coated is copper foil, and baking temperature higher limit is 150 DEG C, when the temperature in baking space
During more than or equal to 150 DEG C, control circuit makes heating rod 331 stop heating.Mode of heating uses heating rod in the present invention, also may be used
To be resistive heater, or infrared heating etc., heating technique of the prior art is a lot, no longer repeats herein.
Heretofore described inert gas is nitrogen, can also other inert gases, such as helium, argon gas.It is of the invention special
Suitable for the coating apparatus using oxidizable coating oar material.
A kind of course of work of drying unit 3 of anti-oxidation coating apparatus is as follows.
Coating apparatus is opened, and drying unit 3 is in original state, and now two sealing plates 32 are located in casing 31 and leaned on
Recently.Extraneous inert gas feeder starts to inflate to baking space, and inert gas outward discharges air, while inertia
Sealing plate 32 toward extrapolation, baking space starts to become big gas, stops when sealing plate 32 is displaced outwardly and encounters limited block, dries
Roasting space is at this moment maximum；Oxygen content in now oxygen sensor detection baking space, if oxygen content is more than preset value,
One preferred preset value is the oxygen content 0.1% in baking space,（Calculated by volume）Then combustion mechanism 314 is lighted a fire, hydrogen combusted
Gas, the oxygen in baking space is consumed, until hydrogen goes out, hydrogen feeding mechanism stops supply hydrogen, otherwise combustion mechanism 314
Misfire；Then material can be dried is toasted from resigning hole 321 into baking space.The material warp finally dried
Later drive device 4 is moved toward wrap-up 5.
As shown in fig. 6, the present invention also provides a kind of coating furnace drying method, comprise the following steps：
Step S1：Toward injection inert gas in the baking space, inert gas is the sealing plate 32 to 31 liang of casing
Side movement is to increase the volume of baking space, and when baking space maximum, the oxygen in oxygen sensor detection baking space contains
Amount, if oxygen content exceedes preset value, is put into step 2, is otherwise put into step 3；Step S2, protected on the basis of step S1
The supply of inert gas is held, while combustion mechanism 314 is lighted a fire, burning hydrogen is to consume the oxygen in baking space, until hydrogen
No longer burn；Step S3：Still the supply of inert gas is kept to prevent oxygen from entering and allow heating arrangements 33 to add to baking space
Heat, until temperature rises to operating temperature, the present invention preferably operating temperature range is 80 DEG C ~ 120 DEG C；Step S4：Keep inertia
The supply of gas prevents oxygen from entering, when the temperature in the baking space reaches operating temperature, applying material to be dried
Toasted in into baking space.Step S5：Wrap-up 5 has collapsed the material dried.Temperature sensor is whole simultaneously
The temperature in baking space is monitored, when the temperature in baking space is more than or equal to 150 DEG C, control circuit control heating rod
331 are stopped, to protect material to undergo no deterioration or burn, it is ensured that the quality safety of product.
Claims (10)
1. a kind of anti-oxidation coating apparatus, including place unwinding device, coater head, drying unit and the recovery of material to be coated
Have been coated with the wrap-up of material dried, it is characterised in that the drying unit communicates including control circuit and two
Casing, casing two are provided with moveable sealing plate, and sealing plate, which is provided with, allows the resigning hole that material passes through, sealing plate and casing shape
Into baking space, provided with heating arrangements, the inert gas input hole connected with extraneous inertia feeder in the baking space
And combustion mechanism；The sealing plate moves in the presence of inert gas to casing both sides, while combustion mechanism igniting consumption institute
State the oxygen in baking space.
2. anti-oxidation coating apparatus according to claim 1, it is characterised in that the casing is provided with sliding rail, close
Shrouding is provided with the sliding block being engaged with sliding rail.
3. anti-oxidation coating apparatus according to claim 2, it is characterised in that the casing is provided with limitation sealing plate and taken off
From the fixed block of casing.
4. anti-oxidation coating apparatus according to claim 1, it is characterised in that the material to be coated is rolled up for copper foil, copper
Paper tinsel volume is positioned on unwinding device, and coated head applies the anaerobic drying in drying unit after spreading mass.
5. anti-oxidation coating apparatus according to claim 1, it is characterised in that the heating arrangements include temperature sensor
And heating component, heating component are located on the casing, temperature sensor is connected with the control circuit prevents that the baking is empty
Interior temperature is too high.
6. anti-oxidation coating apparatus according to claim 1, it is characterised in that the combustion mechanism includes ignition
And hydrogen, combustion of hydrogen consume the oxygen in the baking space and form water vapour.
7. the anti-oxidation coating apparatus according to claim 1 to 6 any one, it is characterised in that be provided with the casing
The oxygen sensor of oxygen content in the baking space is monitored, oxygen sensor is connected with control circuit.
8. anti-oxidation coating apparatus according to claim 7, it is characterised in that the inert gas is nitrogen or argon gas.
9. anti-oxidation coating apparatus according to claim 8, it is characterised in that drying unit is one or more.
10. one kind coating furnace drying method, for the coating apparatus as described in claim 1 to 7 any one, it is characterised in that
Comprise the following steps：
（1）Injection inert gas in toward the baking space, and the sealing plate is moved to casing both sides, increase baking space
Volume；
（2）Keeping the supply of inert gas prevents oxygen from entering, while lights mechanism and lighted a fire in baking space, consumes the baking
Oxygen in roasting space；
（3）Keeping the supply of inert gas prevents oxygen from entering, and heating arrangements heat to baking space；
（4）Keeping the supply of inert gas prevents oxygen from entering, and when the temperature in the baking space reaches preset temperature, treats
The applying material of drying, which enters in baking space, to be toasted；
（5）Wrap-up has collapsed the material dried.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446274.8A CN104959282B (en) | 2015-07-27 | 2015-07-27 | A kind of anti-oxidation coating apparatus and coating furnace drying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446274.8A CN104959282B (en) | 2015-07-27 | 2015-07-27 | A kind of anti-oxidation coating apparatus and coating furnace drying method |
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| CN104959282A CN104959282A (en) | 2015-10-07 |
| CN104959282B true CN104959282B (en) | 2017-12-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107843073A (en) * | 2017-11-24 | 2018-03-27 | 合肥真萍电子科技有限公司 | A kind of special PI anaerobics curing oven of integrated circuit wafer level |
| CN109573341B (en) * | 2018-10-31 | 2019-10-11 | 贵州固达电缆有限公司 | A kind of copper wire coils anti-oxidation storage device, method and burning bucket |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203599025U (en) * | 2013-12-05 | 2014-05-21 | 江苏鸿捷环保工程有限公司 | Varnish stoving house capable of processing tail gas with ultraviolet rays |
| CN204866400U (en) * | 2015-07-27 | 2015-12-16 | 路密 | Anti -oxidation coating equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4154692B2 (en) * | 2003-06-05 | 2008-09-24 | 富士フイルム株式会社 | Coating film drying equipment |
| JP5598746B2 (en) * | 2009-09-28 | 2014-10-01 | 大日本印刷株式会社 | Drying apparatus, drying system, drying method, and method for producing substrate with coating |
-
2015
- 2015-07-27 CN CN201510446274.8A patent/CN104959282B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203599025U (en) * | 2013-12-05 | 2014-05-21 | 江苏鸿捷环保工程有限公司 | Varnish stoving house capable of processing tail gas with ultraviolet rays |
| CN204866400U (en) * | 2015-07-27 | 2015-12-16 | 路密 | Anti -oxidation coating equipment |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361101 room e1006b, Taiwan Science and technology enterprise cultivation center, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, Fujian Province Patentee after: Xiamen Jiayi New Energy Technology Co.,Ltd. Address before: 361101 room e1006b, Taiwan Science and technology enterprise cultivation center, Xiamen Torch hi tech Zone (Xiang'an) Industrial Zone, Fujian Province Patentee before: Xiamen Jiayi New Energy Technology Co.,Ltd. |