CN114570240B - Stirring equipment for soybean enzymolysis protein feed liquid - Google Patents

Stirring equipment for soybean enzymolysis protein feed liquid Download PDF

Info

Publication number
CN114570240B
CN114570240B CN202210205497.5A CN202210205497A CN114570240B CN 114570240 B CN114570240 B CN 114570240B CN 202210205497 A CN202210205497 A CN 202210205497A CN 114570240 B CN114570240 B CN 114570240B
Authority
CN
China
Prior art keywords
protective shell
supporting
feed liquid
stirring
protein feed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210205497.5A
Other languages
Chinese (zh)
Other versions
CN114570240A (en
Inventor
胡竑邠
李宝林
高卫东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhihui Biotechnology Co ltd
Original Assignee
Jiangsu Zhihui Biotechnology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhihui Biotechnology Co ltd filed Critical Jiangsu Zhihui Biotechnology Co ltd
Priority to CN202210205497.5A priority Critical patent/CN114570240B/en
Publication of CN114570240A publication Critical patent/CN114570240A/en
Application granted granted Critical
Publication of CN114570240B publication Critical patent/CN114570240B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • A23J3/14Vegetable proteins
    • A23J3/16Vegetable proteins from soybean
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • A23J3/30Working-up of proteins for foodstuffs by hydrolysis
    • A23J3/32Working-up of proteins for foodstuffs by hydrolysis using chemical agents
    • A23J3/34Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes
    • A23J3/346Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes of vegetable proteins
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

The invention discloses stirring equipment for soybean enzymolysis protein feed liquid, which comprises a supporting bottom plate, supporting side plates, supporting shafts, a protective shell and a stirring and mixing assembly, wherein the supporting side plates are fixedly arranged at two ends of the supporting bottom plate, the two sides of the protective shell are rotatably arranged between the supporting side plates through the supporting shafts, the protective shell is positioned above the supporting bottom plate, the stirring and mixing assembly is arranged in the protective shell, the stirring and mixing assembly comprises a supporting rod, a supporting upper plate, a rotating motor, a rotating shaft, a helical blade, a fixing ring, a wall scraping rod, a guide head and a bubbling assembly, the upper end of the protective shell is opened, the supporting rod is fixedly arranged at the edge of the opening at the upper end of the protective shell, and the supporting upper plate is arranged on the supporting rod. The invention belongs to the technical field of soybean enzymolysis proteins, and particularly relates to a stirring device for soybean enzymolysis protein feed liquid, which can improve the mixing and stirring effects, can scrape walls, does not cause waste of materials and is convenient to clean.

Description

Stirring equipment for soybean enzymolysis protein feed liquid
Technical Field
The invention belongs to the technical field of soybean enzymolysis proteins, and particularly relates to stirring equipment for soybean enzymolysis protein feed liquid.
Background
The soybean protein is a high-quality plant protein with rich nutrition and is an important protein resource for the food industry. Soy protein products are increasingly used in a wide variety of food processing applications, which are highly related to their nutrient-rich and good functional properties that are exhibited during food processing, storage and consumption. In order to facilitate the production of soy protein and better meet the edible demands of people, the soy protein is more acceptable, and the soy protein is often hydrolyzed by protease, so that the soy protein can be better processed and used.
In the hydrolysis process of the soybean protein, stirring equipment of feed liquid is needed until the soybean protein is completely dissolved in distilled water, so that soybean protein solution with required mass concentration is prepared, but the existing stirring equipment has an unsatisfactory stirring effect, and the protein feed liquid is stuck to the inner wall of a stirring device, so that the soybean protein solution is inconvenient to clean and waste is caused.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the stirring equipment for the soybean enzymolysis protein feed liquid, which can improve the mixing and stirring effects, can scrape the wall, does not cause the waste of materials and is convenient to clean.
The technical scheme adopted by the invention is as follows: the utility model provides a agitated vessel of soybean enzymolysis albumen feed liquid, includes supporting baseplate, supporting side plate, back shaft, protective housing and stirring mixing assembly, supporting side plate fixed mounting is at the last both ends of supporting baseplate, the protective housing both sides are rotated through the back shaft and are installed between the supporting side plate, the protective housing is located the top of supporting baseplate, stirring mixing assembly locates in the protective housing, stirring mixing assembly includes bracing piece, support upper plate, rotating electrical machines, rotation axis, helical blade, solid fixed ring, scrapes wall pole, direction head and tympanic bulla subassembly, protective housing upper end opening, bracing piece fixed mounting is at protective housing upper end opening part edge, the support upper plate is located on the bracing piece, rotating electrical machines is located on the support upper plate, rotation axis one end fixed mounting is at the rotating electrical machines output, the rotation axis other end runs through protective housing upper end opening part and rotates and install on the internal bottom wall of protective housing, guide head fixed mounting is on the rotation axis and be close to the interior bottom wall of protective housing, helical blade fixed mounting is located the upper end of direction head on the rotation axis, scrape the wall pole both ends and install respectively under the fixed ring at the rotation axis, the bottom wall extends along the protective housing bottom of the protective housing.
Further, the lower part of the cavity formed by the hollow inside of the protective shell is in a spherical shape, and the bottom of the protective shell is provided with a water filling port.
Further, the bubbling component comprises an air pump, a pressure cavity, an impact tube and an extrusion valve, wherein the pressure cavity is arranged at the bottom of the protective shell, the air pump is arranged at the bottom of the pressure cavity, the impact tube is arranged on the bottom wall in the protective shell, the impact tubes are uniformly distributed at intervals, the extrusion valve is arranged in the impact tube, the air pump is connected with the pressure cavity through a pipeline, the pressure cavity is communicated with the impact tube, and the extrusion valve is arranged in the impact tube.
Further, the middle part installation fastening bolt on the support curb plate, fastening bolt runs through the support curb plate, the lateral wall relevant position of protective housing is equipped with the screw hole with fastening bolt assorted.
Further, the upper portion of the side plates far from each other is fixedly provided with a handle.
Further, fixing through holes are formed in four corners of the supporting bottom plate.
After the structure is adopted, the invention has the following beneficial effects: according to the stirring equipment for the soybean enzymolysis protein feed liquid, provided by the invention, through the stirring and mixing assembly, the rotation stirring and the air flow impact mixing of the feed liquid can be realized, the feed liquid is subjected to double-guide stirring and mixing, the stirring and mixing effect is improved, the wall scraping can be realized, and the cleaning is convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a schematic diagram of the overall structure of a stirring device for soybean enzymolysis protein feed liquid;
FIG. 2 is a schematic diagram of the internal structure of a stirring device for soybean enzymolysis protein feed liquid;
fig. 3 is a half cross-sectional view of a stirring device for soy enzymatic protein feed liquid according to the invention.
In the drawings: 1. the device comprises a supporting bottom plate, 2, supporting side plates, 3, a supporting shaft, 4, a protective shell, 5, a stirring and mixing assembly, 6, a supporting rod, 7, a supporting upper plate, 8, a rotating motor, 9, a rotating shaft, 10, helical blades, 11, a fixed ring, 12, a wall scraping rod, 13, a guide head, 14, a water filling port, 15, an air pump, 16, a pressure cavity, 17, an impact tube, 18, a squeezing valve, 19, a fastening bolt, 20, a threaded hole, 21, a handle, 22 and a fixing through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1-3, a stirring device for soybean enzymolysis protein feed liquid comprises a supporting bottom plate 1, supporting side plates 2, a supporting shaft 3, a protective shell 4 and a stirring and mixing assembly 5, wherein the supporting side plates 2 are fixedly arranged at two ends on the supporting bottom plate 1, two sides of the protective shell 4 are rotatably arranged between the supporting side plates 2 through the supporting shaft 3, the protective shell 4 is positioned above the supporting bottom plate 1, and the stirring and mixing assembly 5 is arranged in the protective shell 4.
Preferably, the lower part of the cavity formed by the hollow inside of the protective shell 4 is in a spherical shape, and the bottom of the protective shell 4 is provided with a water filling port 14.
Preferably, a fastening bolt 19 is installed in the middle of the supporting side plate 2, the fastening bolt 19 penetrates through the supporting side plate 2, and a threaded hole 20 matched with the fastening bolt 19 is formed in the corresponding position of the outer side wall of the protective shell 4.
Preferably, the upper part of the side plates 2 is fixedly provided with a handle 21.
Preferably, fixing through holes 22 are formed at four corners of the supporting base plate 1.
As shown in fig. 2 and 3, in order to realize the dual mixing stirring of feed liquid, stirring mixing assembly 5 includes bracing piece 6, support upper plate 7, rotating electrical machines 8, rotation axis 9, helical blade 10, solid fixed ring 11, scrape wall pole 12, direction head 13 and bubble subassembly, protective housing 4 upper end opening, bracing piece 6 fixed mounting is at protective housing 4 upper end opening part edge, support upper plate 7 is located on bracing piece 6, rotating electrical machines 8 are located on support upper plate 7, rotation axis 9 one end fixed mounting is at rotating electrical machines 8 output, the rotation axis 9 other end runs through protective housing 4 upper end opening part rotation and installs on protective housing 4 inner bottom wall, direction head 13 fixed mounting is on rotation axis 9 and is close to protective housing 4's interior bottom wall, helical blade 10 fixed mounting is on rotation axis 9 and is located protective housing 4 inner guide head 13's upper end, scrape wall pole 12 both ends and pass through solid fixed ring 11 fixed mounting respectively at the upper and lower both ends of rotation axis 9, it extends along protective housing 4's inner wall, bubble subassembly protective housing 4 bottom.
Preferably, as shown in fig. 2 and 3, the bubbling assembly comprises an air pump 15, a pressure cavity 16, an impact tube 17 and a extrusion valve 18, wherein the pressure cavity 16 is arranged at the bottom of the protective shell 4, the air pump 15 is arranged at the bottom of the pressure cavity 16, the impact tube 17 is arranged on the inner bottom wall of the protective shell 4, the impact tubes 17 are uniformly distributed at intervals, the extrusion valve 18 is arranged in the impact tube 17, the air pump 15 is connected with the pressure cavity 16 through a pipeline, the pressure cavity 16 is communicated with the impact tube 17, and the extrusion valve 18 is arranged in the impact tube 17.
When the device is specifically used, the whole device is fixed at a proper use position through the fixing through holes 22 of the supporting bottom plate 1; the position of the protective shell 4 is fixed by fastening bolts 19; a proper amount of soy protein is put into the protective shell 4 through the upper end opening of the protective shell 4; a proper amount of water is injected through a water injection port 14 at the bottom of the protective shell 4; starting a rotating motor 8, wherein the output end of the rotating motor 8 rotates to drive a rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive a spiral blade 10, a guide head 13 and a wall scraping rod 12 to rotate, the guide head 13 is arranged in a reverse truncated cone shape, so that feed liquid is conveniently guided along with the rotating spiral blade 10, and in the rotating process of the spiral blade 10, the feed liquid is guided to the bottom of a protective shell 4; the wall scraping rod 12 extends along the inner wall of the cavity inside the protective shell 4 to scrape the wall; starting an air pump 15, introducing air flow into a pressure cavity 16 by the air pump 15, and enabling the air flow to enter an impact pipe 17 to impact a rubber extrusion valve 18, so as to bubble and mix feed liquid at the bottom in the protective shell 4, thereby improving the mixing effect; after the stirring and mixing are completed, the fastening bolt 19 is screwed, so that the fastening bolt 19 is separated from the threaded hole 20 on the side wall of the protective shell 4, the protective shell 4 is overturned through the supporting shaft 3, and the feed liquid in the protective shell 4 is poured out and collected through the opening at the upper end of the protective shell 4.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims (6)

1. The utility model provides a agitated vessel of soybean enzymolysis protein feed liquid which characterized in that: comprises a supporting bottom plate, supporting side plates, supporting shafts, a protective shell and a stirring and mixing assembly, wherein the supporting side plates are fixedly arranged at two ends of the supporting bottom plate, two sides of the protective shell are rotatably arranged between the supporting side plates through the supporting shafts, the protective shell is positioned above the supporting bottom plate, the stirring and mixing assembly is arranged in the protective shell and comprises a supporting rod, a supporting upper plate, a rotating motor, a rotating shaft, a helical blade, a fixing ring, a wall scraping rod, a guide head and a bubbling assembly, the upper end of the protective shell is provided with an opening, the supporting rod is fixedly arranged at the edge of the opening at the upper end of the protective shell, the support upper plate is arranged on the support rod, the rotating motor is arranged on the support upper plate, one end of the rotating shaft is fixedly arranged at the output end of the rotating motor, the other end of the rotating shaft penetrates through the opening at the upper end of the protective shell and is rotatably arranged on the inner bottom wall of the protective shell, the guide head is fixedly arranged on the rotating shaft and is close to the inner bottom wall of the protective shell, the spiral blade is fixedly arranged on the rotating shaft and is positioned at the upper end of the guide head in the protective shell, two ends of the wall scraping rod are respectively fixedly arranged at the upper end and the lower end of the rotating shaft through fixing rings, the wall scraping rod extends along the inner wall of the protective shell, and the bubbling component is arranged at the bottom of the protective shell; the lower part of a cavity formed by the hollow inside of the protective shell is arranged in a spherical shape; the guide head is arranged in an inverted circular table shape; in the rotating process of the spiral blade, the feed liquid is guided to the bottom of the protective shell.
2. The stirring apparatus for soybean enzymatic protein feed liquid according to claim 1, wherein: the bottom of the protective shell is provided with a water filling port.
3. The stirring apparatus for soybean enzymatic protein feed liquid according to claim 1, wherein: the bubbling assembly comprises an air pump, a pressure cavity, an impact tube and an extrusion valve, wherein the pressure cavity is arranged at the bottom of the protective shell, the air pump is arranged at the bottom of the pressure cavity, the impact tube is arranged on the inner bottom wall of the protective shell and is uniformly distributed at intervals, the extrusion valve is arranged in the impact tube, the air pump is connected with the pressure cavity through a pipeline, the pressure cavity is communicated with the impact tube, and the extrusion valve is arranged in the impact tube.
4. The stirring apparatus for soybean enzymatic protein feed liquid according to claim 1, wherein: the middle part installation fastening bolt on the support curb plate, fastening bolt runs through the support curb plate, the lateral wall relevant position of protective housing is equipped with the screw hole with fastening bolt assorted.
5. The stirring apparatus for soybean enzymatic protein feed liquid according to claim 1, wherein: the upper part of the side plate far away from each other is fixedly provided with a handle.
6. The stirring apparatus for soybean enzymatic protein feed liquid according to claim 1, wherein: and four corners of the supporting bottom plate are provided with fixing through holes.
CN202210205497.5A 2022-04-19 2022-04-19 Stirring equipment for soybean enzymolysis protein feed liquid Active CN114570240B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210205497.5A CN114570240B (en) 2022-04-19 2022-04-19 Stirring equipment for soybean enzymolysis protein feed liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210205497.5A CN114570240B (en) 2022-04-19 2022-04-19 Stirring equipment for soybean enzymolysis protein feed liquid

Publications (2)

Publication Number Publication Date
CN114570240A CN114570240A (en) 2022-06-03
CN114570240B true CN114570240B (en) 2024-02-06

Family

ID=81771534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210205497.5A Active CN114570240B (en) 2022-04-19 2022-04-19 Stirring equipment for soybean enzymolysis protein feed liquid

Country Status (1)

Country Link
CN (1) CN114570240B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114951126A (en) * 2022-06-17 2022-08-30 徐州徐工精密工业科技有限公司 Mechanical equipment spare part production belt cleaning device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003260346A (en) * 2002-03-11 2003-09-16 Mitsui Mining Co Ltd High-speed agitation type disperser
CN204564036U (en) * 2015-04-15 2015-08-19 陈剑清 A kind of combination stirring vessel with automatic flushing device
CN211025955U (en) * 2019-09-13 2020-07-17 无锡优洁科技有限公司 Tipping arrangement is used in production of work clothes washing liquid
CN211098774U (en) * 2019-06-12 2020-07-28 无锡颐景丰科技有限公司 Dyestuff machine suitable for liquid dyestuff
CN211384634U (en) * 2019-11-13 2020-09-01 和麟企业(安徽)有限公司 Mixing and stirring device for preparing acidic phenol synthetic tanning agent
CN211706528U (en) * 2019-12-06 2020-10-20 昆山市冠宝化学有限公司 Novel polyurethane adhesive stirring mechanism
CN112755950A (en) * 2021-01-13 2021-05-07 常州机电职业技术学院 Stirring system for bio-pharmaceuticals and stirring method thereof
CN213699618U (en) * 2020-10-23 2021-07-16 桐欣盛建设集团有限公司 Putty powder agitator that can overturn
CN215463737U (en) * 2021-08-02 2022-01-11 顺毅南通化工有限公司 Stirring device with drying and anti-static functions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013082059A2 (en) * 2011-12-01 2013-06-06 Praxair Technology, Inc. Method and system for enhancing mass transfer in aeration/oxygenation systems

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003260346A (en) * 2002-03-11 2003-09-16 Mitsui Mining Co Ltd High-speed agitation type disperser
CN204564036U (en) * 2015-04-15 2015-08-19 陈剑清 A kind of combination stirring vessel with automatic flushing device
CN211098774U (en) * 2019-06-12 2020-07-28 无锡颐景丰科技有限公司 Dyestuff machine suitable for liquid dyestuff
CN211025955U (en) * 2019-09-13 2020-07-17 无锡优洁科技有限公司 Tipping arrangement is used in production of work clothes washing liquid
CN211384634U (en) * 2019-11-13 2020-09-01 和麟企业(安徽)有限公司 Mixing and stirring device for preparing acidic phenol synthetic tanning agent
CN211706528U (en) * 2019-12-06 2020-10-20 昆山市冠宝化学有限公司 Novel polyurethane adhesive stirring mechanism
CN213699618U (en) * 2020-10-23 2021-07-16 桐欣盛建设集团有限公司 Putty powder agitator that can overturn
CN112755950A (en) * 2021-01-13 2021-05-07 常州机电职业技术学院 Stirring system for bio-pharmaceuticals and stirring method thereof
CN215463737U (en) * 2021-08-02 2022-01-11 顺毅南通化工有限公司 Stirring device with drying and anti-static functions

Also Published As

Publication number Publication date
CN114570240A (en) 2022-06-03

Similar Documents

Publication Publication Date Title
CN114570240B (en) Stirring equipment for soybean enzymolysis protein feed liquid
CN205188255U (en) Pomegranate wine fermenting installation
CN108568233A (en) It is a kind of to stir more fully environment-friendly type industry agitating device
CN210356776U (en) Curing agent dispersion agitating unit
CN210159498U (en) Food mixer
CN210333652U (en) Water injection cleaning spray head for stirring tank
CN110819510A (en) Fermentation cylinder with inner wall cleaning function
CN212795490U (en) Two ingredient agitating unit for polyurethane
CN211458799U (en) Energy-saving washing box capable of recycling waste water
CN210929415U (en) Aquatic product cleaning and stirring barrel
CN210230924U (en) Essence finished product storage tank capable of effectively cleaning interior
CN207344853U (en) A kind of self- poking arrangement of modified foaming cement
CN207680436U (en) A kind of rotatable not viscous wall type agitator tank
CN203088849U (en) Egg stirring machine
CN219333843U (en) Cup type axial flow stirrer
CN214570882U (en) Cooling crystallizing tank for sewage and wastewater treatment
CN220918806U (en) Edible fungus stirrer convenient to clean
CN220763072U (en) Stirring transmission structure
CN214103103U (en) Forming device is used in bean vermicelli processing
CN220940275U (en) Raw material mixing device for producing taro balls
CN206827505U (en) A kind of albumen slag liquid conveying device
CN219429979U (en) Fermentation device of disconnect-type DHA algae oil
CN220373645U (en) Mixing device for spray production
CN217189008U (en) Mixing arrangement is used in beverage production processing
CN213995596U (en) Environment-friendly two-component marking paint processing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant