CN204588994U - A kind of heating unit for the production of basalt continuous fiber - Google Patents
A kind of heating unit for the production of basalt continuous fiber Download PDFInfo
- Publication number
- CN204588994U CN204588994U CN201520172949.XU CN201520172949U CN204588994U CN 204588994 U CN204588994 U CN 204588994U CN 201520172949 U CN201520172949 U CN 201520172949U CN 204588994 U CN204588994 U CN 204588994U
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- Prior art keywords
- tube
- water
- combustion
- basalt
- cooled
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000446 fuel Substances 0.000 claims abstract description 69
- 238000001816 cooling Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 abstract description 9
- 230000008018 melting Effects 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000013019 agitation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- 238000003756 stirring Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The utility model discloses a kind of heating unit for the production of basalt continuous fiber; comprise fuel tube and be set in the combustion-supporting tracheae of described fuel tube inside; top and the described combustion-supporting tracheae outside wall surface of described fuel tube are tightly connected; the outside of described fuel tube is also set with the water-cooled tube for fuel tube described in cooling protection and described combustion-supporting tracheae; top and the described fuel tube outside wall surface of described water-cooled tube are tightly connected, and described water-cooled tube top is provided with water-in and water outlet.This device can make fuel and combustion-supporting gas in basalt liquation combustion effectively, the heat produced is directly passed to basalt liquation, products of combustion becomes bubble agitation basalt liquation simultaneously, thus improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly, be more conducive to the large-scale industrial production realizing basalt continuous fiber.
Description
Technical field
The utility model relates to basalt continuous fiber production unit technical field, especially relates to a kind of heating unit for the production of basalt continuous fiber.
Background technology
Basalt continuous fiber is one of fiber of a kind of excellent combination property, has the features such as intensity is high, acid and alkali-resistance, high temperature performance are good, fire resistance is superior, can be widely used in military project and civilian every field.
Now, the Production Flow Chart of basalt continuous fiber is roughly: natural basalt building stones drop in kiln as the raw material producing basalt continuous fiber by charging machine, basalt liquation is fused into by the hot environment in kiln, liquation is clarified further, after homogenizing, several operation unit is delivered to by material road, be provided with one block of platinum rhodium porous bushing bottom each operation unit, basalt liquation flows out by the small opening on bushing by self gravitation, pulls into basalt continuous fiber by drawing wire machine.
Owing to containing a large amount of ferriferous oxides in basalt liquation, coefficient of blackness is high, poor thermal conductivity, after solid-state basalt building stones fall into liquation, needs the long period just can melt, causes the melting rate of basalt building stones lower.For the kiln relying on radiant heat fused basalt building stones, because radiant heat needs slowly to transmit downwards from molten surface, melting rate can be lower.In order to improve the melting rate of basalt raw material, enterprise is had to attempt adopting electric smelting mode to carry out entirety heating to liquation, but because in raw material, ferriferous oxide content is higher, easily corrode heating electrode on the one hand, on the other hand, electric smelting type of heating can accelerate the larger ferriferous oxide of proportion to the sedimentation of liquation lower floor, accelerates the erosion to platinum rhodium bushing.
Therefore, how to improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly, the large-scale industrial production being more conducive to realizing basalt continuous fiber is the technical problem that current those skilled in the art need solution badly.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of heating unit for the production of basalt continuous fiber, this heating unit can improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly, more be conducive to the large-scale industrial production realizing basalt continuous fiber, another object of the present utility model is to provide a kind of heating means for the production of basalt continuous fiber.
For solving above-mentioned technical problem, the technical scheme that the utility model provides is:
A kind of heating unit for the production of basalt continuous fiber; comprise fuel tube and be set in the combustion-supporting tracheae of described fuel tube inside; top and the described combustion-supporting tracheae outside wall surface of described fuel tube are tightly connected; also comprise the water-cooled tube for fuel tube described in cooling protection and described combustion-supporting tracheae being set in described fuel tube outside; top and bottom and the described fuel tube outside wall surface of described water-cooled tube are tightly connected; cavity between described water-cooled tube and described fuel tube forms cooling-water duct, and described water-cooled tube top is provided with water-in and water outlet.
Preferably, also comprise the seat tube being set in described fuel tube outside, described seat tube to be fixedly installed on body of wall and to penetrate described body of wall along thickness of wall body direction, and described seat tube and described fuel tube are splits.
Preferably, the lower opening of described seat tube is provided with the ring sealing plate of center drilling, bottom and the described shrouding of described water-cooled tube are slidably matched, described water-cooled tube is consistent along the caliber of described shrouding sliding position, described water-cooled tube is slidably matched along the top of described shrouding sliding position and described seat tube, described water-cooled tube is along the outside wall surface of described shrouding sliding position, the inner-wall surface of described seat tube and described shrouding form ring-shaped air chamber, the center drilling place of described shrouding is provided with the sealing-ring for sealing described air chamber, described water-cooled tube is along the sealing-ring position that described seat tube slides is provided with for sealing described air chamber, described seat tube is provided with the inlet mouth and venting port that are communicated with described air chamber, described water-cooled tube forms gas force surface along described shrouding sliding position and described water-cooled tube along the junction of described seat tube sliding position, described combustion-supporting pipe is provided with the gas force surface promoting the slip of described water-cooled tube for combustion-supporting gas.
Preferably, the outlet of described fuel tube, the outlet of described combustion-supporting tracheae and the bottom of described water-cooled tube are connected with shower nozzle, described shower nozzle is also provided with the combustion-supporting tracheae spray orifice that multiple and described combustion-supporting tracheae is communicated with, described shower nozzle is provided with the fuel tube spray orifice that multiple and described fuel tube is communicated with, described shower nozzle inside is provided with the cooling-water duct be communicated with described water-cooled tube for cooling described shower nozzle.
Compared with prior art; the utility model provides a kind of heating unit for the production of basalt continuous fiber; comprise fuel tube and be set in the combustion-supporting tracheae of described fuel tube inside; top and the described combustion-supporting tracheae outside wall surface of described fuel tube are tightly connected; the outside of described fuel tube is also set with the water-cooled tube for fuel tube described in cooling protection and described combustion-supporting tracheae; top and the described fuel tube outside wall surface of described water-cooled tube are tightly connected, and described water-cooled tube top is provided with water-in and water outlet.The utility model is by arranging water-cooled tube cooling protection fuel tube and combustion-supporting tracheae, make heating unit can immerse in the basalt liquation of 1300 DEG C ~ 1500 DEG C, can not within a short period of time scaling loss, can effectively by fuel and combustion-supporting pneumatic transmission to the specified location of basalt liquation inside, make fuel and combustion-supporting gas can in basalt liquation combustion, the heat produced is directly passed to basalt liquation, simultaneously products of combustion becomes bubble and rises gradually in basalt liquation, stir basalt liquation, thus improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly, more be conducive to the large-scale industrial production realizing basalt continuous fiber.
Accompanying drawing explanation
The axial sectional structure schematic diagram of the heating unit for the production of basalt continuous fiber that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of shower nozzle in Fig. 1.
In figure: 1 seat tube, 2 fuel tubes, 3 combustion-supporting tracheaes, 4 water-cooled tubes, 41 water-ins, 42 water outlets, 5 shroudings, 6 air chambers, 61 inlet mouths, 62 venting ports, 7 sealing-rings, 8 gas force surfaces, 9 shower nozzles, 91 combustion-supporting tracheae spray orifices, 92 fuel tube spray orifices.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
With reference to the axial sectional structure schematic diagram of the heating unit for the production of basalt continuous fiber that figure 1, Fig. 1 provides for the utility model embodiment; Fig. 2 is the structural representation of shower nozzle in Fig. 1.
A kind of heating unit for the production of basalt continuous fiber; comprise fuel tube 2 and be set in the combustion-supporting tracheae 3 of fuel tube 2 inside; top and combustion-supporting tracheae 3 outside wall surface of fuel tube 2 are tightly connected; also comprise be set in fuel tube 2 outside for cooling protection fuel tube 2 water-cooled tube 4 with combustion-supporting tracheae 3; top and bottom and fuel tube 2 outside wall surface of water-cooled tube 4 are tightly connected; cavity between water-cooled tube 4 and fuel tube 2 forms cooling-water duct, and water-cooled tube 4 top is provided with water-in 41 and water outlet 42.Water-in 41 is communicated with cooling water source by pipeline, water coolant enters water-cooled tube 4 by water-in 41, and the heat absorbing fuel tube 2 improves the temperature of self, and the water coolant after intensification is flowed out by water outlet 42, after cooling tower cooling, return cooling water source, so move in circles.
The utility model is by arranging water-cooled tube 4 cooling protection fuel tube 2 and combustion-supporting tracheae 3, make heating unit can immerse in the basalt liquation of 1300 DEG C ~ 1500 DEG C, can not within a short period of time scaling loss, can effectively by fuel and combustion-supporting pneumatic transmission to the specified location of basalt liquation inside, make fuel and combustion-supporting gas can in basalt liquation combustion, the heat produced is directly passed to basalt liquation, simultaneously products of combustion becomes bubble and rises gradually in basalt liquation, stir basalt liquation, thus improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly, more be conducive to the large-scale industrial production realizing basalt continuous fiber.
In an embodiment of the present utility model, heating unit also comprises the seat tube 1 being set in water-cooled tube 4 outside, and seat tube 1 to be fixedly installed on body of wall and to penetrate body of wall along thickness of wall body direction, and seat tube 1 and water-cooled tube 4 are splits.The utility model is by arranging seat tube 1 and seat tube 1 and water-cooled tube 4 being arranged to split, water-cooled tube 4 drives fuel tube 2 and combustion-supporting tracheae 3 slide to immerse along seat tube 1 internal surface or depart from basalt liquation under external force, the front end of heating unit can be stretched out when heating and be immersed basalt liquation, can retract when not heating and to extract out from basalt liquation, thus decrease the time that heating unit directly contacts with high temperature basalt liquation, improve the work-ing life of heating unit, be conducive to the large-scale industrial production realizing basalt continuous fiber.
The external force impelling water-cooled tube 4 to slide along seat tube 1 internal surface has a variety of, can manual operation, air pressure driving, hydraulic drive etc.In an embodiment of the present utility model, the lower opening of seat tube 1 is provided with the ring sealing plate 5 of center drilling, bottom and the shrouding 5 of water-cooled tube 4 are slidably matched, water-cooled tube 4 is consistent along the caliber of shrouding 5 sliding position, water-cooled tube 4 is slidably matched along the top of shrouding 5 sliding position and seat tube 1, water-cooled tube 4 is along the outside wall surface of shrouding 5 sliding position, inner-wall surface and the shrouding 5 of seat tube 1 form ring-shaped air chamber 6, the center drilling place of shrouding 5 is provided with the sealing-ring 7 for sealed air chamber 6, water-cooled tube 4 is along the sealing-ring 7 position that seat tube 1 slides is provided with for sealed air chamber 6, seat tube 1 is provided with the inlet mouth 61 and venting port 62 that are communicated with air chamber 6, water-cooled tube 4 forms gas force surface 8 along shrouding 5 sliding position and water-cooled tube 4 along the junction of seat tube 1 sliding position, combustion-supporting tracheae 3 inside is provided with the gas force surface 8 promoting water-cooled tube 4 slip for combustion-supporting gas.The gas force surface 8 in the gas force surface 8 of combustion-supporting tracheae 3 inside, water-cooled tube 4 outside wall surface, ring-shaped air chamber 6, sealing-ring 7 is utilized to form the device that is similar to cylinder, two gas force surfaces 8 serve as piston area, when the combustion-supporting gas with certain pressure passes into combustion-supporting tracheae 3, gaseous tension acts on the gas force surface 8 in combustion-supporting tracheae 3, impel water-cooled tube 4 to slide along seat tube 1 internal surface to liquation, thus it is inner to drive fuel tube 2 and combustion-supporting tracheae 3 to immerse basalt liquation gradually; When after stopping heating, stop to combustion-supporting tracheae 3 air feed, there is provided the gas with certain pressure to air chamber 6 by the inlet mouth 61 on seat tube 1, gaseous tension acts on the gas force surface 8 in water-cooled tube 4 outside wall surface, impels water-cooled tube 4 to slide along seat tube 1 internal surface and departs from basalt liquation.
In an embodiment of the present utility model, the bottom of the outlet of fuel tube 2, the outlet of combustion-supporting tracheae 3 and water-cooled tube 4 is connected with shower nozzle 9, shower nozzle 9 is provided with the combustion-supporting tracheae spray orifice 91 that multiple and combustion-supporting tracheae 3 is communicated with, shower nozzle 9 is also provided with multiple fuel tube spray orifice 92 be communicated with fuel tube 2, shower nozzle 9 inside is provided with the cooling-water duct be communicated with water-cooled tube 4 for cooling spray 9.By arranging combustion-supporting tracheae spray orifice 91 and fuel tube spray orifice 92, combustion-supporting gas is made to spray in basalt liquation by combustion-supporting tracheae spray orifice 91, fuel is made to spray in basalt liquation by fuel tube spray orifice 92, fuel and combustion-supporting gas can be made to be mixed to get better, burn more abundant, more heat is provided to basalt liquation, higher spouting velocity and first kinetic energy can be obtained simultaneously, stronger to the stirring action of basalt liquation, thus improve heat transfer and rate of mass transfer, improve the melting rate of basalt building stones, make basalt melt temperature and composition evenly.Because shower nozzle 9 directly contacts with high temperature basalt liquation for a long time, in order to prevent shower nozzle 9 by high temperature scaling loss, be provided with the cooling-water duct be communicated with water-cooled tube 4 in shower nozzle 9 inside, the water coolant drawn in water-cooled tube 4 cools to shower nozzle 9, thus improves the work-ing life of shower nozzle 9.
Below by workflow, the utility model is described in further detail:
Embodiment:
Heating unit oblique cutting, on the side wall of kiln, is 30 ° ~ 45 ° with horizontal plane angle.When preparing heating basalt liquation, in combustion-supporting tracheae 3, pass into oxygen purity is 50% ~ 70%, air pressure is the oxygen-rich air of 0.5MPa ~ 0.6MPa, then pass into fuel tube 2 Sweet natural gas that air pressure is 0.3MPa ~ 0.4MPa, the pressure that oxygen-rich air has acts on the gas force surface 8 in combustion-supporting tracheae 3, water-cooled tube 4 is impelled to slide along seat tube 1 internal surface to basalt liquation, thus it is inner to drive fuel tube 2 and combustion-supporting tracheae 3 to immerse basalt liquation gradually, the venting port 62 simultaneously opened on seat tube 1 makes the gas in air chamber 6 discharge gradually with compression process, water-cooled tube 4 is not slided and produce resistance, when after stopping heating, first stop supplying fuel to fuel tube 2, then stop supplying combustion-supporting gas to combustion-supporting tracheae 3, the gas with certain pressure is provided to air chamber 6 by the inlet mouth 61 on seat tube 1, gaseous tension acts on the gas force surface 8 in water-cooled tube 4 outside wall surface, impel water-cooled tube 4 to slide along seat tube 1 internal surface, thus drive fuel tube 2 and combustion-supporting tracheae 3 to depart from basalt liquation gradually.Combustion-supporting gas sprays in basalt liquation by combustion-supporting tracheae spray orifice 91, fuel sprays in basalt liquation by fuel tube spray orifice 92, fuel and combustion-supporting gas can be made to be mixed to get better, burn more abundant, obtain higher spouting velocity and first kinetic energy simultaneously, stronger to the stirring action of basalt liquation.In whole process, in water-cooled tube 4, there is cooling water circulation flowing always, fuel tube 2, combustion-supporting tracheae 3 and shower nozzle 9 are cooled, improve the work-ing life of three.
Above a kind of heating unit for the production of basalt continuous fiber provided by the utility model is described in detail.Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (4)
1. the heating unit for the production of basalt continuous fiber, comprise fuel tube and be set in the combustion-supporting tracheae of described fuel tube inside, top and the described combustion-supporting tracheae outside wall surface of described fuel tube are tightly connected, it is characterized in that, also comprise the water-cooled tube for fuel tube described in cooling protection and described combustion-supporting tracheae being set in described fuel tube outside, top and bottom and the described fuel tube outside wall surface of described water-cooled tube are tightly connected, cavity between described water-cooled tube and described fuel tube forms cooling-water duct, described water-cooled tube top is provided with water-in and water outlet.
2. the heating unit for the production of basalt continuous fiber according to claim 1, it is characterized in that, also comprise the seat tube being set in described water-cooled tube outside, described seat tube to be fixedly installed on body of wall and to penetrate described body of wall along thickness of wall body direction, and described seat tube and described water-cooled tube are splits.
3. the heating unit for the production of basalt continuous fiber according to claim 2, it is characterized in that, the lower opening of described seat tube is provided with the ring sealing plate of center drilling, bottom and the described shrouding of described water-cooled tube are slidably matched, described water-cooled tube is consistent along the caliber of described shrouding sliding position, described water-cooled tube is slidably matched along the top of described shrouding sliding position and described seat tube, described water-cooled tube is along the outside wall surface of described shrouding sliding position, the inner-wall surface of described seat tube and described shrouding form ring-shaped air chamber, the center drilling place of described shrouding is provided with the sealing-ring for sealing described air chamber, described water-cooled tube is along the sealing-ring position that described seat tube slides is provided with for sealing described air chamber, described seat tube is provided with the inlet mouth and venting port that are communicated with described air chamber, described water-cooled tube forms gas force surface along described shrouding sliding position and described water-cooled tube along the junction of described seat tube sliding position, described combustion-supporting pipe is provided with the gas force surface promoting the slip of described water-cooled tube for combustion-supporting gas.
4. the heating unit for the production of basalt continuous fiber according to claim 3, it is characterized in that, the outlet of described fuel tube, the outlet of described combustion-supporting tracheae and the bottom of described water-cooled tube are connected with shower nozzle, described shower nozzle is also provided with the combustion-supporting tracheae spray orifice that multiple and described combustion-supporting tracheae is communicated with, described shower nozzle is provided with the fuel tube spray orifice that multiple and described fuel tube is communicated with, described shower nozzle inside is provided with the cooling-water duct be communicated with described water-cooled tube for cooling described shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172949.XU CN204588994U (en) | 2015-03-26 | 2015-03-26 | A kind of heating unit for the production of basalt continuous fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172949.XU CN204588994U (en) | 2015-03-26 | 2015-03-26 | A kind of heating unit for the production of basalt continuous fiber |
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| Publication Number | Publication Date |
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| CN204588994U true CN204588994U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172949.XU Expired - Fee Related CN204588994U (en) | 2015-03-26 | 2015-03-26 | A kind of heating unit for the production of basalt continuous fiber |
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| Country | Link |
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| CN (1) | CN204588994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710098A (en) * | 2015-03-26 | 2015-06-17 | 山东聚智机械科技有限公司 | Heating device and heating method for producing basalt continuous fibers |
-
2015
- 2015-03-26 CN CN201520172949.XU patent/CN204588994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710098A (en) * | 2015-03-26 | 2015-06-17 | 山东聚智机械科技有限公司 | Heating device and heating method for producing basalt continuous fibers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170710 Address after: North Guanzhuang Industrial Park in Zhangqiu city of Ji'nan City, Shandong province 250200 China Loie Wright Patentee after: SHANDONG JUYUAN CBF CO.,LTD. Address before: The new road 250220 Shandong city of Ji'nan province Zhangqiu City Sheng Jing Street office office building No. 7 Room 201 Co-patentee before: Yang Yan Patentee before: SHANDONG JUZHI MACHINERY SCIENCE & TECHNOLOGY CO.,LTD. Co-patentee before: Lin Li |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |