CN220366645U - Spray drier is used in chicken hydrolysis powder production - Google Patents

Spray drier is used in chicken hydrolysis powder production Download PDF

Info

Publication number
CN220366645U
CN220366645U CN202322111303.8U CN202322111303U CN220366645U CN 220366645 U CN220366645 U CN 220366645U CN 202322111303 U CN202322111303 U CN 202322111303U CN 220366645 U CN220366645 U CN 220366645U
Authority
CN
China
Prior art keywords
drying cylinder
chicken
plate
powder production
drying
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
CN202322111303.8U
Other languages
Chinese (zh)
Inventor
邱望凤
邱望高
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.)
Tianjin Maiwang Biotechnology Co ltd
Original Assignee
Tianjin Maiwang 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 Tianjin Maiwang Biotechnology Co ltd filed Critical Tianjin Maiwang Biotechnology Co ltd
Priority to CN202322111303.8U priority Critical patent/CN220366645U/en
Application granted granted Critical
Publication of CN220366645U publication Critical patent/CN220366645U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Drying Of Solid Materials (AREA)

Abstract

The utility model relates to the technical field of chicken hydrolyzed powder drying, and discloses a spray dryer for chicken hydrolyzed powder production, which comprises a supporting frame; the drying cylinder is fixedly arranged in the middle of the supporting frame; the heating component is arranged at the upper end and inside the drying cylinder; the feeding pipe is fixedly arranged on the left side of the top of the drying cylinder; the discharging plate is movably arranged at the top of the drying cylinder and is communicated with the feeding pipe. According to the utility model, through the cooperation of the structures such as the heating component, the scraping plate, the receiving bushing plate and the like, the helical gear transmission part is started at the same time, so that the rotating rod rotates, the scraping plate scrapes the receiving bushing plate at the next stage, and the scraping plate falls layer by layer, so that the time for the chicken hydrolyzed powder to enter and exit is prolonged, and the continuous scraping movement is performed, so that the middle chicken hydrolyzed powder and the outer chicken hydrolyzed powder are exchanged, and the drying effect is better.

Description

Spray drier is used in chicken hydrolysis powder production
Technical Field
The utility model relates to the technical field of chicken hydrolyzed powder drying, in particular to a spray dryer for chicken hydrolyzed powder production.
Background
The chicken hydrolyzed powder is flavoring agent. The chicken powder is powder decomposed by hydrolysis, is usually used for increasing the mouthfeel and taste of food, water and chicken hydrolyzed powder are required to be separated when the chicken powder is produced, so that the powdered chicken hydrolyzed powder is obtained, and the chicken powder is discharged while being dried by a spray dryer when the chicken powder is separated, however, when the existing spray dryer is used, the chicken powder is dried by contacting hot air with an entering object for a short time, but the time for the entering and the exiting of the object is very short, so that when a large amount of chicken hydrolyzed powder is dried once, moisture in the middle chicken hydrolyzed powder cannot be effectively removed due to shielding of the outer side, and finally, a small amount of moisture is still present in the discharged chicken hydrolyzed powder, so that secondary reworking is required, and the energy consumption and the production time are increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a spray dryer for chicken hydrolysis powder production, which has the advantages of good drying effect and convenience in recovering waste heat.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a spray dryer for chicken hydrolysis powder production comprises
A support frame;
the drying cylinder is fixedly arranged in the middle of the supporting frame;
the heating component is arranged at the upper end and inside the drying cylinder;
the feeding pipe is fixedly arranged on the left side of the top of the drying cylinder;
the discharging plate is movably arranged at the top of the drying cylinder and is communicated with the feeding pipe;
the support rod array is arranged in the drying cylinder;
the bearing bushing is fixedly arranged at the top of the supporting rod;
the rotary rod is movably inserted into the bottom of the supporting rod and the bottom of the receiving bushing plate, and a bevel gear transmission part is further arranged at the bottom of the rotary rod;
the scraping plate is arranged in the receiving bushing plate and is fixedly connected with the side face of the rotating rod. As a preferable technical scheme of the utility model, the drying cylinder and the supporting frame are also provided with
The water vapor recovery assembly is arranged at the top and the lower end of the drying cylinder and at the rear side of the supporting frame;
the water vapor recovery system comprises a water vapor recovery assembly and is characterized in that the water vapor recovery assembly comprises an exhaust tube, a spiral radiating tube and a wastewater tank, wherein the exhaust tube is fixedly arranged at the rear end of the top of a drying cylinder, the spiral radiating tube is fixedly arranged at the lower end of the drying cylinder for secondary drying, the wastewater tank is fixedly arranged at the rear end of a supporting frame, the rear end of the spiral radiating tube extends to the inside of the wastewater tank, and a filtering unit is further arranged in the wastewater tank.
As a preferable technical scheme of the utility model, the right side of the drying cylinder is movably provided with a movable cover plate, the upper end of the right side of the drying cylinder is fixedly provided with a first fixed plate, the edge of the movable cover plate is fixedly provided with a second fixed plate, and the surface arrays of the first fixed plate and the second fixed plate are provided with connecting bolts.
As a preferable technical scheme of the utility model, an on-off valve is fixedly arranged at the bottom of the drying cylinder, and a control panel is fixedly arranged on the right side of the supporting frame.
As a preferable technical scheme of the utility model, the heating component comprises a blowing pipe, a fan and a heating box, wherein the fan and the heating box are arranged at the front end of the top of the drying cylinder from back to front, and the blowing pipe is fixedly arranged at the rear end of the fan and extends into the drying cylinder.
As a preferable technical scheme of the utility model, the filtering unit comprises a filtering block and an exhaust port, wherein the filtering block is fixedly arranged at the upper end of the waste water tank, and the exhaust port is arranged at the rear side of the waste water tank.
As a preferable technical scheme of the utility model, the receiving drain plates are arranged in a pyramid shape, and the inner diameter value of the receiving drain plate at the uppermost end is equal to the diameter value of the discharge plate.
As a preferable technical scheme of the utility model, the blowing pipe is spirally arranged inside the upper end of the drying cylinder and blows air to the middle.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the cooperation of the structures such as the heating assembly, the scraping plate, the receiving bushing plate and the like, the heating assembly is started to heat during drying, the fallen chicken hydrolyzed powder is dried by blowing, and meanwhile, the helical gear transmission part is started to enable the rotary rod to rotate, so that the scraping plate scrapes the receiving bushing plate on the next stage, and the scraping plate falls layer by layer, so that the time for the chicken hydrolyzed powder to enter and exit is prolonged, and the chicken hydrolyzed powder is continuously scraped, so that the middle and outer chicken hydrolyzed powder are exchanged, and further, the drying effect is better.
2. According to the utility model, through the cooperation of the structures such as the spiral radiating pipe, the exhaust pipe and the waste water tank, the exhaust pipe is started when the air is exhausted, and the water vapor generated by heating is pumped into the spiral radiating pipe, so that the chicken powder falling off is dried for the second time, the drying effect is better, the waste of heat is reduced, and the peculiar smell and water in the chicken powder falling off are filtered through the filtering unit when the chicken powder falls into the waste water tank, so that the pollution to the air and the recovery of water resources are reduced.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of a rear view cross-section of the present utility model;
FIG. 4 is a schematic view of a left-hand cross-sectional structure of the present utility model;
fig. 5 is an enlarged schematic view of the portion a of fig. 4 according to the present utility model.
In the figure: 1. a support frame; 2. a drying cylinder; 3. an on-off valve; 4. a control panel; 5. a feed pipe; 6. a discharge plate; 7. a support rod; 8. receiving a bushing; 9. a rotating rod; 10. a scraper; 11. a blower; 12. a heating box; 13. a blowing pipe; 14. a helical gear transmission member; 15. a removable cover; 16. a first fixing plate; 17. a second fixing plate; 18. a connecting bolt; 19. an exhaust pipe; 20. a spiral radiating pipe; 21. a waste water tank; 22. a filter block; 23. and an exhaust port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIGS. 1 to 5, the present utility model provides a spray dryer for chicken hydrolyzed powder production, comprising
A support frame 1;
the drying cylinder 2 is fixedly arranged in the middle of the supporting frame 1;
the heating component is arranged at the upper end and inside the drying cylinder 2;
the feeding pipe 5 is fixedly arranged on the left side of the top of the drying cylinder 2;
the discharging plate 6 is movably arranged at the top of the drying cylinder 2 and is communicated with the feeding pipe 5;
the support rods 7, the support rod 7 array is installed inside the drying cylinder 2;
the bearing bushing 8, the bearing bushing 8 is fixedly arranged at the top of the supporting rod 7;
the rotating rod 9 is movably inserted into the bottom of the supporting rod 7 and the receiving bushing plate 8, and a bevel gear transmission member 14 is arranged at the bottom of the rotating rod 9;
the scraping plate 10, the scraping plate 10 is arranged in the receiving bushing 8 and fixedly connected with the side face of the rotating rod 9.
During operation, chicken hydrolytic powder to be dried is discharged through the feed pipe 5, enters the discharge plate 6, then falls onto the receiving bushing plate 8, simultaneously starts the heating assembly to perform heating sterilization filtration, and simultaneously starts the helical gear transmission part 14 to enable the rotary rod 9 to rotate, so that the scraping plate 10 scrapes the receiving bushing plate 8 on the receiving bushing plate 8 of the next stage until the chicken hydrolytic powder is discharged;
through dropping layer by layer to the time of chicken hydrolysis powder business turn over has been prolonged, and owing to scrape the move constantly, thereby make the centre carry out the exchange position with outside chicken hydrolysis powder, and then make dry effect better.
Wherein the drying cylinder 2 and the supporting frame 1 are also provided with
The water vapor recovery component is arranged at the top and the lower end of the drying cylinder 2 and at the rear side of the supporting frame 1;
the steam recovery assembly comprises an exhaust pipe 19, a spiral radiating pipe 20 and a waste water tank 21, wherein the exhaust pipe 19 is fixedly arranged at the rear end of the top of the drying cylinder 2, the spiral radiating pipe 20 is fixedly arranged at the lower end of the drying cylinder 2 for secondary drying, the waste water tank 21 is fixedly arranged at the rear end of the supporting frame 1, the rear end of the spiral radiating pipe 20 extends to the inside of the waste water tank 21, and a filtering unit is further arranged in the waste water tank 21.
When the chicken powder dryer works, the exhaust pipe 19 is started, water vapor generated by heating is pumped into the spiral radiating pipe 20, so that the chicken powder is dried for the second time with dropped chicken powder, then the water vapor is filtered by the filtering unit when entering the waste water tank 21, so that peculiar smell and water in the water vapor are filtered out, then the water vapor stays in the waste water tank 21, and finally purified waste gas is discharged;
through setting up in the spiral cooling tube 20 to can with the chicken that drops decompose the powder and carry out the secondary drying, thereby make the drying effect better, reduced the waste of heat simultaneously.
Wherein, movable cover plate 15 is movably installed on the right side of drying cylinder 2, first fixed plate 16 is fixedly installed on the upper end of the right side of drying cylinder 2, second fixed plate 17 is fixedly installed on the edge of movable cover plate 15, and connecting bolts 18 are installed on the surface arrays of first fixed plate 16 and second fixed plate 17.
During operation, the connecting bolts 18 on the first fixing plate 16 and the second fixing plate 17 can be unscrewed, so that the first fixing plate 16 and the second fixing plate 17 are separated, and then the movable cover plate 15 can be taken down, and the interior of the drying cylinder 2 is conveniently cleaned;
by arranging the movable cover plate 15, the structures such as the receiving bushing plate 8 and the like in the drying cylinder 2 can be replaced and cleaned.
Wherein, the bottom fixed mounting of dry section of thick bamboo 2 has on-off valve 3, and the right side fixed mounting of support frame 1 has control panel 4.
During operation, the final product is discharged by opening the on-off valve 3;
the control panel 4 is fixedly arranged on the right side of the support frame 1, so that the operation of the equipment is controlled.
The heating assembly comprises a blowing pipe 13, a fan 11 and a heating box 12, wherein the fan 11 and the heating box 12 are installed at the front end of the top of the drying cylinder 2 from back to front, and the blowing pipe 13 is fixedly installed at the rear end of the fan 11 and extends to the inside of the drying cylinder 2.
When the chicken hydrolytic powder drying machine works, a fan 11 is started, air is heated, sterilized and filtered through a heating box 12, and then the air is blown into a drying cylinder 2 through a blowing pipe 13 to dry the fallen chicken hydrolytic powder in a blowing way;
by providing the heating box 12, the air is conveniently heated and dried.
The filtering unit comprises a filtering block 22 and an exhaust port 23, wherein the filtering block 22 is fixedly arranged at the upper end of the waste water tank 21, and the exhaust port 23 is arranged at the rear side of the waste water tank 21.
In operation, the peculiar smell and water in the waste water are filtered by the filter block 22, then stay in the waste water tank 21, and then the purified waste gas is discharged through the exhaust port 23;
the filter block 22 and the exhaust port 23 are arranged, so that the odor in the water vapor can be purified and the water resource can be recovered conveniently.
Wherein, accept bushing 8 pyramid setting, the inside diameter value that the upper end accepted bushing 8 equals the diameter value of discharge plate 6.
During operation, the receiving bushing plate 8 receives articles dropped from the discharge plate 6;
the receiving bushing plates 8 are arranged in a pyramid shape, so that powder is prevented from falling to other places.
Wherein the blowing pipe 13 is spirally arranged inside extending to the upper end of the drying cylinder 2 and blows air in and out to the middle.
When in operation, the blowing pipe 13 extends to the inner spiral arrangement at the upper end of the drying cylinder 2 and blows air to the middle;
drying is facilitated by extending the blowpipe 13 to the inner spiral of the upper end of the drying cylinder 2 and blowing air in and out to the middle.
The working principle and the using flow of the utility model are as follows:
when the chicken hydrolytic powder is used, chicken hydrolytic powder to be dried is discharged through the feed pipe 5, enters the discharge plate 6 and then falls on the receiving bushing plate 8;
while the process is carried out, the fan 11 is started, the air is heated, sterilized and filtered through the heating box 12, and then the fallen chicken hydrolytic powder is blown into the drying cylinder 2 through the blowing pipe 13 to be dried in a blowing way
Simultaneously, the helical gear transmission part 14 is started, so that the rotary rod 9 rotates, the scraping plate 10 scrapes the bearing bushing plate 8 to the bearing bushing plate 8 at the next stage, the time for the chicken hydrolyzed powder to enter and exit is prolonged through falling layer by layer, and the chicken hydrolyzed powder in the middle and outside exchanges positions due to continuous scraping, so that the drying effect is better;
then, an on-off valve 3 at the lower end of the drying cylinder 2 is opened, so that chicken hydrolyzed powder falls into a specified container;
when heating is carried out, the exhaust pipe 19 is started at the same time, and water vapor generated by heating is pumped into the waste water tank 21 and can pass through the spiral radiating pipe 20 at the lower end of the drying cylinder 2, so that secondary drying is carried out with the fallen chicken powder, the drying effect is better, and meanwhile, the waste of heat is reduced;
when entering the waste water tank 21, the water vapor is filtered by the filter block 22, so that the peculiar smell and water in the water vapor are filtered out and stay in the waste water tank 21, and then the purified waste gas is discharged through the exhaust port 23;
when the structures such as the receiving bushing plate 8 and the like in the drying cylinder 2 need to be replaced and cleaned, the connecting bolts 18 on the first fixing plate 16 and the second fixing plate 17 can be unscrewed, so that the first fixing plate 16 and the second fixing plate 17 are separated, and then the movable cover plate 15 can be taken down, thereby facilitating cleaning of the interior of the drying cylinder 2.
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.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A spray drier is used in chicken hydrolysis powder production which characterized in that: comprises the following steps of
A support (1);
the drying cylinder (2) is fixedly arranged in the middle of the supporting frame (1);
the heating component is arranged at the upper end and inside the drying cylinder (2);
the feeding pipe (5) is fixedly arranged at the left side of the top of the drying cylinder (2);
the discharging plate (6) is movably arranged at the top of the drying cylinder (2) and is communicated with the feeding pipe (5);
the support rods (7) are arranged in the drying cylinder (2) in an array mode;
the bearing bushing plate (8), the bearing bushing plate (8) is fixedly arranged at the top of the supporting rod (7);
the rotary rod (9), the rotary rod (9) is movably inserted into the bottom of the supporting rod (7) and the bottom of the bearing bushing plate (8), and a bevel gear transmission part (14) is further arranged at the bottom of the rotary rod (9);
the scraping plate (10) is arranged in the receiving bushing plate (8) and is fixedly connected with the side face of the rotating rod (9).
2. The spray dryer for chicken hydrolyzed powder production according to claim 1, wherein: the drying cylinder (2) and the supporting frame (1) are also provided with
The water vapor recovery assembly is arranged at the top and the lower end of the drying cylinder (2) and at the rear side of the supporting frame (1);
the water vapor recovery system comprises an exhaust pipe (19), a spiral radiating pipe (20) and a waste water tank (21), wherein the exhaust pipe (19) is fixedly installed at the rear end of the top of a drying cylinder (2), the spiral radiating pipe (20) is fixedly installed at the lower end of the drying cylinder (2) for secondary drying, the waste water tank (21) is fixedly installed at the rear end of a supporting frame (1), the rear end of the spiral radiating pipe (20) extends to the inside of the waste water tank (21), and a filtering unit is further arranged in the waste water tank (21).
3. The spray dryer for chicken hydrolyzed powder production according to claim 1, wherein: the drying device is characterized in that a movable cover plate (15) is movably arranged on the right side of the drying cylinder (2), a first fixing plate (16) is fixedly arranged at the upper end of the right side of the drying cylinder (2), a second fixing plate (17) is fixedly arranged at the edge of the movable cover plate (15), and connecting bolts (18) are arranged on surface arrays of the first fixing plate (16) and the second fixing plate (17).
4. The spray dryer for chicken hydrolyzed powder production according to claim 1, wherein: the bottom of the drying cylinder (2) is fixedly provided with an on-off valve (3), and the right side of the supporting frame (1) is fixedly provided with a control panel (4).
5. The spray dryer for chicken hydrolyzed powder production according to claim 1, wherein: the heating assembly comprises a blowing pipe (13), a fan (11) and a heating box (12), wherein the fan (11) and the heating box (12) are installed at the front end of the top of the drying cylinder (2) from back to front, and the blowing pipe (13) is fixedly installed at the rear end of the fan (11) and extends to the inside of the drying cylinder (2).
6. The spray dryer for chicken hydrolyzed powder production according to claim 2, characterized in that: the filtering unit comprises a filtering block (22) and an exhaust port (23), wherein the filtering block (22) is fixedly arranged at the upper end of the waste water tank (21), and the exhaust port (23) is formed in the rear side of the waste water tank (21).
7. The spray dryer for chicken hydrolyzed powder production according to claim 1, wherein: the bearing bushing plates (8) are arranged in a pyramid shape, and the inner diameter value of the bearing bushing plate (8) at the uppermost end is equal to the diameter value of the discharge plate (6).
8. The spray dryer for chicken hydrolyzed powder production of claim 5, wherein: the blowing pipe (13) extends to the inner spiral of the upper end of the drying cylinder (2) and blows air to the middle.
CN202322111303.8U 2023-08-07 2023-08-07 Spray drier is used in chicken hydrolysis powder production Active CN220366645U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322111303.8U CN220366645U (en) 2023-08-07 2023-08-07 Spray drier is used in chicken hydrolysis powder production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322111303.8U CN220366645U (en) 2023-08-07 2023-08-07 Spray drier is used in chicken hydrolysis powder production

Publications (1)

Publication Number Publication Date
CN220366645U true CN220366645U (en) 2024-01-19

Family

ID=89515251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322111303.8U Active CN220366645U (en) 2023-08-07 2023-08-07 Spray drier is used in chicken hydrolysis powder production

Country Status (1)

Country Link
CN (1) CN220366645U (en)

Similar Documents

Publication Publication Date Title
CN109485466A (en) Kitchen castoff processing method and processing unit
CN108856243B (en) Waste recovery process for automobile disassembly
KR102285305B1 (en) Treatment system for laver garbage
CN109179943A (en) A kind of working method of urban sludge drying process device
CN111938175A (en) Sufficient belt cleaning device is used in fig processing
CN110560236B (en) Vegetable market rubbish rubbing crusher
CA1109326A (en) Batch process, closed plant system for manufacturing fish meal
CN207969622U (en) It is a kind of to be steeped in the food processing equipment of one based on boiling
CN109179942A (en) A kind of urban sludge drying process device
CN210782845U (en) Snakegourd fruit cleaning and water stain removing all-in-one machine
CN220366645U (en) Spray drier is used in chicken hydrolysis powder production
CN207422843U (en) A kind of high temperature and low temperature filtration cakes torrefaction machine
CN213147481U (en) Flue gas deep condensation waste heat recovery device
CN111854409A (en) Dry water trap after food production rice washs washing
CN107782115A (en) Closed type high temperature and low temperature filter cake dehumidifying heat pump
CN218872973U (en) Color-coated sheet processing substrate degreasing device with drying function
CN218737105U (en) Nut drying machine
CN111480690A (en) Energy-saving fruit and vegetable dry dust removal and impurity removal drying equipment
CN110530110A (en) A kind of HighefficientFluidbeddrier
CN212442252U (en) Schisandra chinensis cleaning device
CN113758162A (en) Cleaning, disinfecting and drying integrated device for sea cucumber processing
CN112299406B (en) Negative electrode material graphitization preparation process
CN115215395A (en) A effluent treatment plant for processing of phosphorus flame retardant
CN212998433U (en) Powder collector of spray dryer
CN220618733U (en) Drying equipment for treating lake bottom sludge

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant