CN206803525U - A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass - Google Patents
A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass Download PDFInfo
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- CN206803525U CN206803525U CN201720641934.2U CN201720641934U CN206803525U CN 206803525 U CN206803525 U CN 206803525U CN 201720641934 U CN201720641934 U CN 201720641934U CN 206803525 U CN206803525 U CN 206803525U
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- pipe
- glass
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- thermal
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- 239000011521 glass Substances 0.000 title claims abstract description 93
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 4
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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Abstract
The utility model discloses a kind of heat collector using the back-shaped vacuum heat collection pipe of full glass, including conduit saddle, inner and outer pipes support frame, frame, thermal-collecting tube, union pipe and bellows, the frame includes the first frame and the second frame, inner and outer pipes support frame includes the first inner and outer pipes support frame and the second inner and outer pipes support frame, conduit saddle is located at bottom, thermal-collecting tube is arranged in conduit saddle, union pipe is located at heat collection tube and bellows is arranged at union pipe, union pipe is connected by connector assembly with thermal-collecting tube, and thermal-collecting tube includes outer glass pipe and inner glass tube.The present apparatus solves annoyings industry and the insoluble technical barrier in market for many years, breaches the technical bottleneck of the solar energy medium temperature energy and market application, can in the environment of higher temperature bearing operation；Solar thermal utilization from poorly efficient, low temperature the hot water for life epoch, by the utility model technological innovation, is not only met the demand of hot water for life, enters real medium temperature efficient heat energy and apply the New Times by the present apparatus.
Description
Technical field
It the utility model is related to a kind of heat collector, specifically a kind of heat collector using the back-shaped vacuum heat collection pipe of full glass.
Background technology
Up to now Chinese patent of the solar energy optical-thermal application field about vacuum heat collection pipe and heat collector reaches several
As many as thousand kinds, it is mainly used in the non-pressure system of sphere of life low-temperature water heating；Do not adapt to extensive industrial and agricultural production, business,
Office, army, hotel, school, hospital, urban and rural residents' heat supply heating system engineering etc., pressure-bearing that market proposes to heat energy, middle height
The application requirement of warm (steam) thermal source.Two during the last ten years domestic and international solar thermal utilization industry be directed to all-glass vacuum always
Thermal-collecting tube can realize can pressure-bearing, efficiently, high temperature, low cost, the robust techniques and product of the multi-field application such as freeze proof insulation
Scientific research and development.
Although having done substantial amounts of work, very big effort is paid, has not yet made substantial breakthroughs and is in progress.
Existing high temperature heat collector consumes substantial amounts of non-ferrous metal, and processing technology is complicated, and manufacturing cost remains high, energy
Multiple conversions, cause efficiency low, market application surface is narrow, and acceptance is low, is difficult to promote all the time.Technology is with product all the time without new
Breakthrough, the solar energy optical-thermal industry industry history of nearly more than 30 years, substantially low temperature, poorly efficient, sphere of life bath hot water application
History.
Utility model content
The purpose of this utility model in provide it is a kind of formed using the back-shaped vacuum heat collection pipe of full glass it is new and effective, in
High temperature, low cost, can pressure-bearing, it is freeze proof insulation etc. multi-field application heat collector, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass, including conduit saddle, inner and outer pipes support frame, frame, thermal-arrest
Pipe, union pipe and bellows, the frame include the first frame and the second frame, and inner and outer pipes support frame includes the first inner and outer pipes branch
Support and the second inner and outer pipes support frame, conduit saddle is located at bottom and the both sides of conduit saddle are separately installed with the first frame and the second side
Frame, thermal-collecting tube is arranged in conduit saddle and multiple thermal-collecting tube close-packed arrays, and union pipe is located at heat collection tube and bellows is pacified
At union pipe, union pipe is connected by connector assembly with thermal-collecting tube, and thermal-collecting tube includes outer glass pipe and inner glass tube, outer glass
Vacuum chamber is provided with glass pipe, inner glass tube is arranged in vacuum chamber and uses the first inner and outer pipes support frame and the second inner and outer pipes
Support frame is fixed, and the first inner and outer pipes support frame is connected with getter frame and is provided with getter, interior glass on getter frame
Glass pipe is using the coating of the outer surface of back-shaped pipe and inner glass tube or deposits selective sunlight heat-absorption coating, is wrapped around union pipe
It is wrapped with insulation box cover and incubator lower cover.
As further program of the utility model：Union pipe includes the first union pipe and the second union pipe, connector assembly
Including internal thread pressed joint, O-ring, sealing gasket, outer silk pressed joint and fairlead, fairlead collects with inner glass tube and connection respectively
Pipe is connected, and union pipe is inserted in fairlead by bellows and sealed using internal thread pressed joint, union pipe and fairlead
Junction be cased with O-ring, the bottom of internal thread pressed joint is provided with outer silk pressed joint and outer silk pressed joint is with drawing
Pipe matches, and sealing gasket is arranged between outer silk pressed joint and fairlead.
As the utility model further scheme：O-ring and sealing gasket are made using high temperature resistant elastomeric material, interior
Glass tube leads to the end of outer glass pipe using one or the both ends of two glass tube coiling shapings and glass tube respectively,
First inner and outer pipes support frame and the second inner and outer pipes support frame are made using rigid material, the first inner and outer pipes support frame and getter
Use and be rigidly connected between frame.
As the utility model further scheme：The bottom of outer glass pipe is provided with exhaust nozzle, the footpath of outer glass pipe
Be ellipse, circular or rectangle to section, outer glass pipe is single-ended or both-end use necking reducer or isometrical, fairlead with outside
It is connected between glass tube using sealing technique.
As the utility model further scheme：Heat absorbing coating uses magnetron sputtering membrane process or grapheme material
Make.
As the utility model further scheme：The fairlead mouth of pipe be outer shroud convex formula, flange form, external thread type or
Straight mouth formula.
Compared with prior art, the beneficial effects of the utility model are：The present apparatus is reasonable in design, is that one kind uses full glass
New and effective, high temperature that back-shaped vacuum heat collection pipe is formed, low cost, can the multi-field application such as pressure-bearing, freeze proof insulation thermal-arrest
Device, solve and annoying industry and the insoluble technical barrier of market application field for many years, breach solar energy high temperature
The technical bottleneck of the energy and market application, can in the environment of higher temperature bearing operation；The present apparatus is by solar thermal utilization
From poorly efficient, low temperature the hot water for life epoch, by the utility model technological innovation, the need of hot water for life are not only met
Ask, and enter the real high temperature High Efficiency Thermal applicable New Times, the present apparatus will bring solar thermal utilization industry new
One wheel development life, belong to the new high-tech product of upgrading.
Brief description of the drawings
Fig. 1 is the first structural representation using the heat collector of the back-shaped vacuum heat collection pipe of full glass.
Fig. 2 is the structural representation for using thermal-collecting tube in the first structure chart of the heat collector of the back-shaped vacuum heat collection pipe of full glass
Figure.
Fig. 3 is the structural representation using the first structure chart center tap assembly of the heat collector of the back-shaped vacuum heat collection pipe of full glass
Figure.
Fig. 4 is second of structural representation using the heat collector of the back-shaped vacuum heat collection pipe of full glass.
Wherein：1- conduit saddles, 2- the first inner and outer pipes support frames, 3- the second inner and outer pipes support frames, 4- insulation box covers, 5- insulations
Case lower cover, 6- connector assemblies, 7- inner glass tubes, 8- thermal-collecting tubes, the frames of 9- first, the frames of 10- second, 11- getters, 12-
One union pipe, the union pipes of 13- second, 14- outer glass pipes, 15- bellowss, 16- internal thread pressed joints, 17-O type circles, 18- sealings
Pad, the outer silk pressed joints of 19-, 20- fairleads.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-4, a kind of heat collector using the back-shaped vacuum heat collection pipe of full glass, including the support of conduit saddle 1, inner and outer pipes
Frame, frame, thermal-collecting tube 8, union pipe and bellows 15, the frame include the first frame 9 and the second frame 10, inner and outer pipes support
Frame includes the first inner and outer pipes support frame 2 and the second inner and outer pipes support frame 3, and conduit saddle 1 is located at bottom and the both sides difference of conduit saddle 1
First frame 9 and the second frame 10 are installed, thermal-collecting tube 8 is arranged in conduit saddle 1 and multiple close-packed arrays of thermal-collecting tube 8, connection collection
Pipe is arranged at union pipe positioned at the top of thermal-collecting tube 8 and bellows 15, and union pipe is connected by connector assembly 6 with thermal-collecting tube 8,
Thermal-collecting tube 8 includes outer glass pipe 14 and inner glass tube 7, is provided with vacuum chamber in outer glass pipe 14, inner glass tube 7 is arranged on vacuum
Intracavitary and fixed using the first inner and outer pipes support frame 2 and the second inner and outer pipes support frame 3, the first inner and outer pipes support frame 2 and air-breathing
Agent frame is connected and is provided with getter 11 on getter frame, and inner glass tube 7 is outer using back-shaped pipe and inner glass tube 7
Surface is coated or settles selective sunlight heat-absorption coating, and insulation box cover 4 and incubator lower cover 5 are enclosed with around union pipe.
Union pipe includes the first union pipe 12 and the second union pipe 13, and connector assembly 6 includes internal thread pressed joint 16, O-ring 17, sealing
Pad 18, outer silk pressed joint 19 and fairlead 20, fairlead 20 are connected with inner glass tube 7 and union pipe respectively, and union pipe is inserted
Enter in fairlead 20 and sealed using internal thread pressed joint 16, the junction of union pipe and fairlead 20 is cased with O-ring 17, interior
The bottom of silk pressed joint 16 is provided with outer silk pressed joint 19 and outer silk pressed joint 19 is in contact with fairlead 20, sealing
Pad 18 is arranged between outer silk pressed joint 19 and fairlead 20.O-ring 17 and sealing gasket 18 use resistant to elevated temperatures elastic material
Material makes, and inner glass tube 7 leads to outer glass pipe respectively using one or the both ends of two glass tube coilings and glass tube
14 end, the first inner and outer pipes support frame 2 and the second inner and outer pipes support frame 3 are made using rigid material, the first inner and outer pipes branch
Use and be rigidly connected between support 2 and getter frame.The bottom of outer glass pipe 14 is provided with exhaust nozzle, the footpath of outer glass pipe 14
It is ellipse or circular to section, is connected between fairlead 20 and outer glass pipe 14 using sealing technique.Heat absorbing coating is adopted
Made of magnetron sputtering membrane process or grapheme material.
Operation principle of the present utility model is：Heat-conducting work medium enters in union pipe, successively by bellows 15, connector assembly
6 and inner glass tube 7, flowed out from inner glass tube 7 and enter another connector assembly 6, then entered by another bellows 15
Union pipe or outflow heat collector.Fairlead 20 is all connected by connector assembly 6 with the first union pipe 12 and the second union pipe 13,
All thermal-collecting tubes 8 be all in parallel, series connection or connection in series-parallel between the first union pipe 12 and the second union pipe 13, heat-conducting work medium from
One union pipe flows into another union pipe by parallel, series connection or series-parallel inner glass tube 7, you can outflow heat collector.It is interior
The surface coating of glass tube 7 deposits selective sunlight heat-absorption coating, and heat absorbing coating can receive sunshine and by luminous energy
Heat energy is converted into, each inner glass tube 7 is made up of several thin glass tube solid matter coilings, and each inner glass tube 7 there are two or more
Individual pipe joint, can flowing in and out for heat-conducting work medium, after the luminous energy of reception is converted into heat energy by inner glass tube 7, pass through pipe
Wall transfers thermal energy to the heat-conducting work medium in inner glass tube 7, and the heat-conducting work medium by flowing is easy in heat energy transfer to heat storage box
Use.
Inner glass tube 7 can be drawn out to two ends of outer glass pipe 14 and be aided with the joint of compression, and the mouth of pipe can be made
The mouth of pipe of tyre bulge loop, there is locking, seal and prevent from coming off.The both ends of inner glass tube 7 are to overlap shape or same
In one plane, two of inner glass tube 7 draw end devices in one end of outer glass tube, can also be according to using needing from both ends
Draw, form both-end reducing cast.Existing heat collecting module and heat collector on the market, it is impossible to which solid matter, itself water capacity is greatly by warm
Siphon heat transfer resistance is big, and moment is also easy to produce high temperature and causes infrared emanation amount big in pipe when sunlight is strong, adjacent collection in the present apparatus
Heat pipe 8 can realize series, parallel, connection in series-parallel composition engineering module or heat collector, different thermal-collecting tubes 8 and collection with close-packed arrays
Limit solid matter can be realized between heat pipe 8, common heat collecting module is solved, the shortcomings that thermal-collecting tube is unable to solid matter, makes unit area
Interior effectively daylighting area maximizes.Working medium amount is only that 25% or so of quality is supplied in common thermal-collecting tube in thermal-collecting tube 8 in the present apparatus,
Itself thermal capacitance is small, quick heating, can quickly obtain high temperature thermal source.
Outer glass pipe 14 and inner glass tube 7 use glass material, and production cost is low, and the radial direction section of outer glass pipe 14 is
Ellipse, circular or rectangle, when the radial direction section of outer glass pipe 14 is oval, single outer glass pipe 14 can be saved
Glass material reaches 25%, reduces material cost.The inner glass tube 7 of the application is thin glass tube coiling shaping using minor diameter
Back-shaped pipe, the ability of 300 degrees Celsius and elevated pressures can be born, reliable sealing and anti-leakage work is aided with using nipple
Skill so that joint can also bear 300 degrees Celsius and elevated pressures so that the present apparatus can be held under the operating mode of higher temperature
Pressure operation, suitable for weaving, printing and dyeing, chemical industry, medicine, the industrial circle such as papermaking.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. heat collector using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that including conduit saddle, inner and outer pipes support frame, Frame, thermal-collecting tube, union pipe and bellows, the frame include the first frame and the second frame, and inner and outer pipes support frame includes the One inner and outer pipes support frame and the second inner and outer pipes support frame, conduit saddle is located at bottom and the both sides of conduit saddle are separately installed with the first side Frame and the second frame, thermal-collecting tube is arranged in conduit saddle and multiple thermal-collecting tube close-packed arrays, union pipe are located at heat collection tube simultaneously And bellows is arranged at union pipe, union pipe is connected by connector assembly with thermal-collecting tube, and thermal-collecting tube includes outer glass pipe and interior Glass tube, vacuum chamber is provided with outer glass pipe, and inner glass tube is arranged in vacuum chamber and uses the first inner and outer pipes support frame Fixed with the second inner and outer pipes support frame, the first inner and outer pipes support frame is connected with getter frame and is provided with getter frame Getter, inner glass tube is using the coating of the outer surface of back-shaped pipe and inner glass tube or deposits selective sunlight heat-absorption coating, Insulation box cover and incubator lower cover are enclosed with around union pipe.
- 2. the heat collector according to claim 1 using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that the collection Pipe includes the first union pipe and the second union pipe, and connector assembly includes internal thread pressed joint, O-ring, sealing gasket, outer silk and compresses and connect Head and fairlead, fairlead are connected with inner glass tube and union pipe respectively, and union pipe is inserted in fairlead simultaneously by bellows And sealed using internal thread pressed joint, the junction of union pipe and fairlead is cased with O-ring, the bottom installation of internal thread pressed joint There is outer silk pressed joint and outer silk pressed joint matches with fairlead, sealing gasket is arranged on outer silk pressed joint and fairlead Between.
- 3. the heat collector according to claim 2 using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that described O-shaped Circle and sealing gasket are made using high temperature resistant elastomeric material, inner glass tube using one or two glass tube coilings shaping and The both ends of glass tube lead to the end of outer glass pipe respectively, and the first inner and outer pipes support frame and the second inner and outer pipes support frame use Rigid material makes, and uses and is rigidly connected between the first inner and outer pipes support frame and getter frame.
- 4. the heat collector according to claim 2 using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that the outer glass The bottom of glass pipe is provided with exhaust nozzle, and the radial direction section of outer glass pipe is ellipse, circular or rectangle, outer glass pipe it is single-ended or Both-end uses necking reducer or isometrical, is connected between fairlead and outer glass pipe using sealing technique.
- 5. the heat collector according to claim 1 or 2 using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that described Heat absorbing coating is made using magnetron sputtering membrane process or grapheme material.
- 6. the heat collector according to claim 2 using the back-shaped vacuum heat collection pipe of full glass, it is characterised in that the extraction The pipe mouth of pipe is outer shroud convex formula, flange form, external thread type or straight mouth formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641934.2U CN206803525U (en) | 2017-06-05 | 2017-06-05 | A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641934.2U CN206803525U (en) | 2017-06-05 | 2017-06-05 | A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803525U true CN206803525U (en) | 2017-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720641934.2U Expired - Fee Related CN206803525U (en) | 2017-06-05 | 2017-06-05 | A kind of heat collector using the back-shaped vacuum heat collection pipe of full glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238220A (en) * | 2017-08-08 | 2017-10-10 | 李春信 | A kind of full glass straight-through type solar vacuum heat-collecting pipe and heat collector |
-
2017
- 2017-06-05 CN CN201720641934.2U patent/CN206803525U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238220A (en) * | 2017-08-08 | 2017-10-10 | 李春信 | A kind of full glass straight-through type solar vacuum heat-collecting pipe and heat collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190201 Address after: 277500 Tengzhou Industrial Park, Zaozhuang City, Shandong Province Patentee after: SHANDONG GUANGPU SOLAR ENERGY PROJECT CO.,LTD. Address before: 277500 Room 308, Unit 4, Leyi Huayuan Building 2, Runze Street, Tengzhou City, Zaozhuang City, Shandong Province Patentee before: Min Fanhao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |