CN105564730A - Continuous back-pressure microwave sterilization device - Google Patents
Continuous back-pressure microwave sterilization device Download PDFInfo
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- CN105564730A CN105564730A CN201610095341.0A CN201610095341A CN105564730A CN 105564730 A CN105564730 A CN 105564730A CN 201610095341 A CN201610095341 A CN 201610095341A CN 105564730 A CN105564730 A CN 105564730A
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- pressure
- clip
- water
- microwave
- pressurized vessel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a continuous back-pressure microwave sterilization device. A plurality of microwave generators are arranged on the upper portion, the left side and the right side of a pressure tank body. A vibration trough and a vibration source are arranged in the pressure tank body. Materials are added from a feeding port, enter the pressure tank body through air pressure isolation of two levels of feeding valves, move from left to right gradually through the vibration trough and fall into a water cooling trough through a discharging port at the right end, the materials are cooled through water and are subjected to pressure isolation through the two levels of feeding valves, and therefore the materials and the cooling water are output together. The pressure tank body is connected with compressed air which is provided by a Roots blower; a belt wheel of the Roots blower is designed to be fast demounted; a blower shaft and the belt wheel are in forward-spinning threaded fit; and efficient maintenance and fast operation are facilitated. According to the continuous back-pressure microwave sterilization device, continuous microwave back-pressure sterilizing and cooling discharging can be efficiently achieved, meanwhile the problem that automatic locking is conducted continuously for threaded assembly under the loading effect, and demounting is not easy can be solved, and the continuous back-pressure microwave sterilization device is particularly applied to convenient demounting of a component obtained after threaded locking and is particularly obvious in effect.
Description
Technical field
The present invention relates to the continous way back-pressure microwave sterilizing device that a kind of blower belt wheel is convenient to quick dismounting.
Background technology
The food of bag packaging is in order to reach requirement of guaranteeing the quality, general all need two-stage sterilization after vacuum packaging, product design can be ensured like this, extend the sale shelf life of product, but packaged packed food is owing to need meet later stage heat-killed heat transfer needs, generally all require that packaged food is flats, the leisure food thus around us is such packaging style mostly.
So-called back-pressure sterilizing is exactly that packing container external and internal pressure in sterilization process is basically identical thus to take technological means to ensure in order to prevent packing container because of inside and outside differential pressure by compression failure in sterilization process.The medium of general conventional back-pressure measure is pressurized air or penstock.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of simple and practical continous way back-pressure microwave sterilizing device.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A kind of continous way back-pressure microwave sterilizing device, comprises pressurized vessel, it is characterized in that: several microwave generators are arranged in the top of pressurized vessel and the left and right sides, vibration hopper and soruce of vibration is provided with in pressurized vessel, material is added by inlet point, enter in pressurized vessel by two-stage inlet valve isolation air pressure, progressively moved from left to right by vibration hopper, water-cooled hopper is fallen into by feed opening at right-hand member, through water cooling by two-stage inlet valve isolated pressure, realize material and cooling water expansion tank together exports, material is kept at pan tank by the landing of slanted screen face, water falls into water receiving tank and carries out transfer, be transported to cooling tower by water pump to lower the temperature, cold water after cooling imports the water-cooled hopper in pressurized vessel by force (forcing) pump and pipeline through Water Check Valve, the material fallen into is cooled, realize recycling of water simultaneously, pressurized air drives roots blower by electrical motor through belt drive belt pulley, and output squeezing air first passes through pressurized air boiler check valve again in Valve controlling input pressure tank body, device energy setting pressure binding mode and pressure automatic constant, described pressurized vessel is connected with blowdown valve and is convenient to carry out pressure discharge operations, described pressurized vessel is provided with manhole and is convenient to overhaul.
Described roots blower comprises belt pulley, bearing, fan shaft, fan blade and clip part, clip part is inserted in the belt pulley that fan shaft screws in similar nut again, fan shaft and belt pulley adopt dextrorotation screw thread fit, thread rotary orientation is with the direction of work with carrying auto lock, and adopting such dextrorotation thread rotary orientation to coordinate is automatically can constantly lock formation rigid unitary with work and carrying; Described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, form opening structure by two semicircular ring clip bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad to become to be integrated.
The design is to the packed food adopting microwave permeability occasioned plastic material packaging, adopt that continuous full-closed system pressurizes, airtight, microwave, vibration, realize microwave sterilization and cool in time, carry out operation in pressurization closed system and just effectively can avoid microwave leakage and back-pressure sterilizing; Owing to adopting microwave sterilization, heating, microwave has that penetration performance is good, material inside and outside is overall can realize microwave sterilization with microwave heating effect Double-sterilization reacts, and is extremely conducive to the radiation of microwave by the material uniform pickup constantly stirred like this in conjunction with vibrating; In airtight system, faced by metallic walls, microwave has reflection function, energy can not loss and finally needed sterilizing material to absorb completely, thus energy efficiency is very high, the damage that the steam expansion that back-pressure can effectively prevent calorific effect from bringing may bring packaging bag, water-cooled realizes the later rapid cooling of sterilizing.
The core of the design is that full-closed system realizes microwave two-stage sterilization and cooling continuously.Material turnover pressurized vessel is all adopt series connection two-stage inlet valve to carry out pressure isolation, all multiple microwave generator can be arranged by reasonably optimizing on the top of pressurized vessel and the left and right sides, because metal wall can total internal reflection microwave, microwave energy will be absorbed by material completely and realize calorific effect promotion drying, and microwave energy no loss also can not leak; Owing to there being the effect of pressurized air back-pressure, the calorific effect of microwave sterilization also can not damage because vapor tension makes packaging bag expand.
Vibrating transportation, because structure is simple, reliable, material automatically can spread and stir under effect of vibration, is particularly conducive to the sterilizing of uniform pickup microwave assisted.Material moves from left to right, and throughput direction is determined by the direction of tilt of elastic steel sheet.The pattern of conservative control vibration, can significantly improve efficiency simultaneously extension device service life.
Material is added by inlet point, enter in pressurized vessel by two-stage inlet valve isolation air pressure material, material is progressively moved at hopper from left to right by vibration, falls into water-cooled hopper at right-hand member by feed opening, realizes material and cooling water expansion tank together exports through water cooling by two-stage inlet valve isolated pressure.Material is kept at pan tank by the landing of slanted screen face, water falls into water receiving tank to carry out transfer and is transported to cooling tower by water pump and lowers the temperature, cold water after cooling to import the water-cooled hopper in pressurized vessel through Water Check Valve by pipeline by force (forcing) pump, the material fallen into is cooled, realizes recycling of water simultaneously.
Pressurized air drives roots blower by electrical motor through belt drive belt pulley, output squeezing air first passes through pressurized air boiler check valve again in Valve controlling input pressure tank body, valve is convenient to pressure discharge operations, device energy setting pressure binding mode and pressure automatic constant.
Roots blower is also core constituent elements, its axle system takes conventional typical forms, but creativeness carries out the quick disassembly design of belt pulley, be convenient to high maintenance, this programme is applied to fan shaft based part screw-threaded coupling field, be convenient to prompt operation, fan shaft and belt pulley adopt dextrorotation screw thread fit, adopting such dextrorotation thread rotary orientation to coordinate is automatically can constantly lock formation rigid unitary with work and carrying, need the clip part utilizing innovative design during detachable maintaining, pass through operation readiness, simply can eliminate the belt pulley of similar nut member to the pressure of screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, very effective for solving Screw assembly not easily detachable situation of continuous auto lock under load effect, be particularly suitable for fan shaft based part screw-threaded coupling transmission field, such function seems particularly important.
When similar nut pulley need dismounting but very at need, with spanner, bolt is pulled down, because of two semicircular ring clip bodies for quick to opening structure and clip body section is wedge shape, can connect to close up from two clip ears with the flat instrument in one end and easily pry open, clip easy removal is got off, relaxed state got back to by clip pad, tensile force after the locking of pulley and shaft shoulder end face is eliminated completely, make the pulley of similar nut be in vacant state completely, be easy to dismounting especially.
Energy effective implemention continuous microwave of the present invention back-pressure sterilizing and cooling discharging, can solve Screw assembly not easily detachable problem of continuous auto lock under load effect, be particularly applied to the convenient dismounting after component screw-threaded coupling, effect is particularly remarkable simultaneously.
Compared with prior art, beneficial effect is as follows:
Do not change the feature of Screw assembly, only need add clip pad, clip, low being also easy to especially of cost realizes; Clip pad can play good Stress decomposition effect, effectively strengthens the load-carrying capacity of structure; Use the Assembly And Disassembly of clip to realize the tensioning of axial accessory and lax function very cleverly, the effectively quick tensile force eliminating the locking of similar nut, realize the assembly rapid and convenient dismounting of similar nut member Screw assembly tight especially; The wedged dress distribution structure of clip pad and clip is convenient to repeatedly quick assembly and disassembly and is used; Apparatus system not only realizes the sterilizing of microwave continuous back-pressure and cooling, roots blower dismounting technology of simultaneously having taken on a new look.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention.
Fig. 2 is the shafting structure schematic diagram of roots blower.
Fig. 3 is the mounting structure schematic diagram of clip part.
Fig. 4 is the fractionation structural representation of clip part.
Fig. 5 is the structural representation of clip pad.
In figure, each label represents:
1, hopper is vibrated; 2, elastic steel sheet; 3, feed opening; 4, manhole; 5, pressurized vessel; 6, inlet valve; 7, inlet point; 8, microwave generator; 9, soruce of vibration; 10, water-cooled hopper; 11, water receiving tank; 12, water pump; 13, force (forcing) pump; 14, cooling tower; 15, slanted screen face; 16, pan tank; 17, water pipe; 20, Water Check Valve; 21, roots blower; 22, belt pulley; 23, electrical motor; 24, blowdown valve; 25, pressurized air boiler check valve; 33, bearing; 34, fan shaft; 36, clip part; 37, roots blower blade; 41, clip; 42, clip ear; 43, clip pad; 44, oval aperture; 45, bolt.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in Figure 1, Figure 2, continous way back-pressure microwave sterilizing device shown in Fig. 3, Fig. 4 and Fig. 5, comprise pressurized vessel 5, several microwave generators 8 are arranged in the top of pressurized vessel 5 and the left and right sides, vibration hopper 1 and soruce of vibration 9 is provided with in pressurized vessel, material is added by inlet point 7, isolating air pressure by two-stage inlet valve 6 enters in pressurized vessel 5, progressively moved from left to right by vibration hopper 1, water-cooled hopper 10 is fallen into by feed opening 3 at right-hand member, through water cooling by two-stage inlet valve isolated pressure, realize material and cooling water expansion tank together exports, material is kept at pan tank 16 by slanted screen face 15 landing, water falls into water receiving tank 11 and carries out transfer, be transported to cooling tower 14 by water pump 12 to lower the temperature, cold water after cooling to import the water-cooled hopper 10 in pressurized vessel 5 through Water Check Valve 20 by force (forcing) pump 13 and pipeline 17, the material fallen into is cooled, realize recycling of water simultaneously, pressurized air drives roots blower 21 by electrical motor 23 through belt drive belt pulley 22, and output squeezing air first passes through pressurized air boiler check valve 25 again in Valve controlling input pressure tank body 5, device energy setting pressure binding mode and pressure automatic constant, described pressurized vessel is connected with blowdown valve 24 and is convenient to carry out pressure discharge operations, described pressurized vessel is provided with manhole 4 and is convenient to overhaul.
Described roots blower 21 comprises belt pulley 22, bearing 33, fan shaft 34, fan blade 37 and clip part 36, clip part 36 is inserted in the belt pulley 22 that fan shaft 34 screws in similar nut again, fan shaft 34 and belt pulley 22 adopt dextrorotation screw thread fit, thread rotary orientation is with the direction of work with carrying auto lock, and adopting such dextrorotation thread rotary orientation to coordinate is automatically can constantly lock formation rigid unitary with work and carrying; Described clip part 36 is made up of clip 41, clip ear 42, clip pad 43 and bolt 45, clip cross section is wedge shape, form opening structure by two semicircular ring clip bodies, clip pad opens elliptical aperture 44 to strengthen axial elasticity, clip pad 43 two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt 45 through the hole on clip ear, is assemblied on clip pad to become to be integrated.
The design is to the packed food adopting microwave permeability occasioned plastic material packaging, adopt that continuous full-closed system pressurizes, airtight, microwave, vibration, realize microwave sterilization and cool in time, carry out operation in pressurization closed system and just effectively can avoid microwave leakage and back-pressure sterilizing; Owing to adopting microwave sterilization, heating, microwave has that penetration performance is good, material inside and outside is overall can realize microwave sterilization with microwave heating effect Double-sterilization reacts, and is extremely conducive to the radiation of microwave by the material uniform pickup constantly stirred like this in conjunction with vibrating; In airtight system, faced by metallic walls, microwave has reflection function, energy can not loss and finally needed sterilizing material to absorb completely, thus energy efficiency is very high, the damage that the steam expansion that back-pressure can effectively prevent calorific effect from bringing may bring packaging bag, water-cooled realizes the later rapid cooling of sterilizing.
The core of the design is that full-closed system realizes microwave two-stage sterilization and cooling continuously.Material turnover pressurized vessel 5 is all adopt series connection two-stage inlet valve 6 to carry out pressure isolation, all multiple microwave generator 8 can be arranged by reasonably optimizing on the top of pressurized vessel and the left and right sides, because metal wall can total internal reflection microwave, microwave energy will be absorbed by material completely and realize calorific effect promotion drying, and microwave energy no loss also can not leak; Owing to there being the effect of pressurized air back-pressure, the calorific effect of microwave sterilization also can not damage because vapor tension makes packaging bag expand.
Vibrating transportation, because structure is simple, reliable, material automatically can spread and stir under effect of vibration, is particularly conducive to the sterilizing of uniform pickup microwave assisted.Material moves from left to right, and throughput direction is determined by the direction of tilt of elastic steel sheet 2.The pattern of conservative control vibration, can significantly improve efficiency simultaneously extension device service life.
Material is added by inlet point 7, isolating air pressure material by two-stage inlet valve 6 enters in pressurized vessel 5, material is progressively moved at hopper 1 from left to right by vibration, fall into water-cooled hopper 10 at right-hand member by feed opening 3, realize material through water cooling by two-stage inlet valve isolated pressure and cooling water expansion tank together exports.Material is kept at pan tank 16 by slanted screen face 15 landing, water falls into water receiving tank 11 to carry out transfer and is transported to cooling tower 14 by water pump 12 and lowers the temperature, cold water after cooling to import the water-cooled hopper 10 in pressurized vessel 5 through Water Check Valve 20 by pipeline 17 by force (forcing) pump 13, the material fallen into is cooled, realizes recycling of water simultaneously.
Pressurized air drives roots blower 21 by electrical motor 23 through belt drive belt pulley 22, output squeezing air first passes through pressurized air boiler check valve 25 again in Valve controlling input pressure tank body 5, valve is convenient to pressure discharge operations, device energy setting pressure binding mode and pressure automatic constant.
Roots blower 21 is also core constituent elements, its axle system takes conventional typical forms, but creativeness carries out the quick disassembly design of belt pulley, be convenient to high maintenance, this programme is applied to fan shaft based part screw-threaded coupling field, be convenient to prompt operation, fan shaft 34 and belt pulley 22 adopt dextrorotation screw thread fit, adopting such dextrorotation thread rotary orientation to coordinate is automatically can constantly lock formation rigid unitary with work and carrying, need the clip part 36 utilizing innovative design during detachable maintaining, pass through operation readiness, simply can eliminate the belt pulley of similar nut member to the pressure of screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, very effective for solving Screw assembly not easily detachable situation of continuous auto lock under load effect, be particularly suitable for fan shaft based part screw-threaded coupling transmission field, such function seems particularly important.
When similar nut belt pulley 22 parts need dismounting but very at need, with spanner, bolt 45 is pulled down, because of two semicircular ring clip bodies for quick to opening structure and clip body section is wedge shape, can connect to close up from two clip ears 42 with the flat instrument in one end and easily pry open, clip easy removal is got off, relaxed state got back to by clip pad, tensile force after the locking of belt pulley 22 parts and shaft shoulder end face is eliminated completely, make the pulley of similar nut be in vacant state completely, be easy to dismounting especially.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (2)
1. a continous way back-pressure microwave sterilizing device, comprises pressurized vessel, it is characterized in that: several microwave generators are arranged in the top of pressurized vessel and the left and right sides, vibration hopper and soruce of vibration is provided with in pressurized vessel, material is added by inlet point, enter in pressurized vessel by two-stage inlet valve isolation air pressure, progressively moved from left to right by vibration hopper, water-cooled hopper is fallen into by feed opening at right-hand member, through water cooling by two-stage inlet valve isolated pressure, realize material and cooling water expansion tank together exports, material is kept at pan tank by the landing of slanted screen face, water falls into water receiving tank and carries out transfer, be transported to cooling tower by water pump to lower the temperature, cold water after cooling imports the water-cooled hopper in pressurized vessel by force (forcing) pump and pipeline through Water Check Valve, the material fallen into is cooled, realize recycling of water simultaneously, pressurized air drives roots blower by electrical motor through belt drive belt pulley, and output squeezing air first passes through pressurized air boiler check valve again in Valve controlling input pressure tank body, device energy setting pressure binding mode and pressure automatic constant, described pressurized vessel is connected with blowdown valve and is convenient to carry out pressure discharge operations, described pressurized vessel is provided with manhole and is convenient to overhaul.
2. continous way back-pressure microwave sterilizing device according to claim 1, it is characterized in that: described roots blower comprises belt pulley, bearing, fan shaft, fan blade and clip part, clip part is inserted in the belt pulley that fan shaft screws in similar nut again, fan shaft and belt pulley adopt dextrorotation screw thread fit, thread rotary orientation is with the direction of work with carrying auto lock, and adopting such dextrorotation thread rotary orientation to coordinate is automatically can constantly lock formation rigid unitary with work and carrying; Described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, form opening structure by two semicircular ring clip bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad to become to be integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095341.0A CN105564730B (en) | 2016-02-22 | 2016-02-22 | Continous way back-pressure microwave sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095341.0A CN105564730B (en) | 2016-02-22 | 2016-02-22 | Continous way back-pressure microwave sterilizing device |
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| Publication Number | Publication Date |
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| CN105564730A true CN105564730A (en) | 2016-05-11 |
| CN105564730B CN105564730B (en) | 2017-11-24 |
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| CN201610095341.0A Active CN105564730B (en) | 2016-02-22 | 2016-02-22 | Continous way back-pressure microwave sterilizing device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6049918A (en) * | 1983-08-30 | 1985-03-19 | Aida Eng Ltd | Preventor for contamination of plastic container molding machine by exhaust gas system |
| EP0257668A2 (en) * | 1986-08-25 | 1988-03-02 | Tetra Dev-Co | A method and an arrangement for the sterilization of a filter |
| CN200979336Y (en) * | 2006-06-01 | 2007-11-21 | 陈长清 | Continuous type microwave vacuum drying and processing apparatus |
| CN101813408A (en) * | 2010-04-08 | 2010-08-25 | 陈长清 | Continuous microwave vacuum drying and sterilizing processing device |
| CN201660142U (en) * | 2009-12-28 | 2010-12-01 | 兰州工业研究院 | Continuous-type food microwave sterilization sealing device |
| CN201663897U (en) * | 2009-12-28 | 2010-12-08 | 兰州工业研究院 | Food microwave high-pressure sterilizing device |
| CN101922855A (en) * | 2009-06-10 | 2010-12-22 | 周川 | Microwave continuous freeze-drying system |
| CN202828208U (en) * | 2012-06-03 | 2013-03-27 | 陈长清 | Processing device for integrating continuous high temperature sterilization and water bath cooling |
-
2016
- 2016-02-22 CN CN201610095341.0A patent/CN105564730B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6049918A (en) * | 1983-08-30 | 1985-03-19 | Aida Eng Ltd | Preventor for contamination of plastic container molding machine by exhaust gas system |
| EP0257668A2 (en) * | 1986-08-25 | 1988-03-02 | Tetra Dev-Co | A method and an arrangement for the sterilization of a filter |
| CN200979336Y (en) * | 2006-06-01 | 2007-11-21 | 陈长清 | Continuous type microwave vacuum drying and processing apparatus |
| CN101922855A (en) * | 2009-06-10 | 2010-12-22 | 周川 | Microwave continuous freeze-drying system |
| CN201660142U (en) * | 2009-12-28 | 2010-12-01 | 兰州工业研究院 | Continuous-type food microwave sterilization sealing device |
| CN201663897U (en) * | 2009-12-28 | 2010-12-08 | 兰州工业研究院 | Food microwave high-pressure sterilizing device |
| CN101813408A (en) * | 2010-04-08 | 2010-08-25 | 陈长清 | Continuous microwave vacuum drying and sterilizing processing device |
| CN202828208U (en) * | 2012-06-03 | 2013-03-27 | 陈长清 | Processing device for integrating continuous high temperature sterilization and water bath cooling |
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| CN105564730B (en) | 2017-11-24 |
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Inventor after: Zhang Xinxing Inventor before: Yao Maojun Inventor before: Yin Yongzhong |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171030 Address after: 362400 No. 19 South pit street, peach boat Township, Anxi County, Quanzhou, Fujian Applicant after: Zhang Xinxing Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Applicant before: Jishou University |
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Effective date of registration: 20190327 Address after: 545100 Zhongtun 78, Jilong Village, Labao Town, Liujiang County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Meishengyuan Food Technology Co., Ltd. Address before: No. 19 Nankeng Street, Taozhou Township, Anxi County, Quanzhou City, Fujian Province Patentee before: Zhang Xinxing |
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| TR01 | Transfer of patent right |