CN210314080U - Casein production dry process sterilization apparatus - Google Patents

Casein production dry process sterilization apparatus Download PDF

Info

Publication number
CN210314080U
CN210314080U CN201921157016.8U CN201921157016U CN210314080U CN 210314080 U CN210314080 U CN 210314080U CN 201921157016 U CN201921157016 U CN 201921157016U CN 210314080 U CN210314080 U CN 210314080U
Authority
CN
China
Prior art keywords
fixedly connected
casein
chamber
sterilization
storage box
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.)
Expired - Fee Related
Application number
CN201921157016.8U
Other languages
Chinese (zh)
Inventor
宗建忠
马文彪
马平
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.)
Gansu Yiprion Biological Products Co Ltd
Original Assignee
Gansu Yiprion Biological Products 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 Gansu Yiprion Biological Products Co Ltd filed Critical Gansu Yiprion Biological Products Co Ltd
Priority to CN201921157016.8U priority Critical patent/CN210314080U/en
Application granted granted Critical
Publication of CN210314080U publication Critical patent/CN210314080U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of casein production devices, in particular to a dry sterilization device for casein production, which comprises a feed inlet, the lower end surface of the feeding hole is fixedly connected with an air drying chamber, the lower end surface of the air drying chamber is fixedly connected with a storage box, the right side of the upper end surface of the storage box is fixedly connected with a sterilization chamber, the left side of the sterilization chamber is fixedly connected with the right side of the air drying chamber, the upper end surface of the sterilizing chamber is detachably connected with a motor, the output surface of the sterilizing chamber is movably connected with a rotating shaft, the lower end surface of the rotating shaft is fixedly connected with a fixed cover, the lower end surface of the fixed cover is fixedly connected with a sterilizing cylinder, the ozone generator is arranged in the storage box, the other end of the ozone pipeline penetrates through the storage box and extends into the storage box to be connected with the ozone generator, ozone is provided inside the sterilizing cylinder through the ozone generator, so that the effect of the casein particle mold is achieved.

Description

Casein production dry process sterilization apparatus
Technical Field
The utility model relates to a casein apparatus for producing technical field, concretely relates to casein production dry process sterilization apparatus.
Background
The drying section of the casein is divided into intermediate product drying and final product mixing drying, the quality of process control directly influences the quality of the casein product, particularly, indexes such as color, moisture content, recovery rate, microorganisms and the like are greatly influenced, the current mixed material of the casein product is generally crushed and then directly enters a mixing bin in a grading way, no sterilization facility is arranged in the middle, the microorganism indexes of the casein product are directly influenced, sterilization equipment in domestic casein production is concentrated after a degreasing section after raw materials are dissolved, no sterilization equipment is arranged after a spot acid drying section and a drying section, microorganism superscript is common, and a merchant carries out irradiation treatment to ensure that microorganisms of the casein product do not exceed standards, so that the quality and the quality of the casein product are influenced.
The prior art has the following problems:
1. at present, the existing dry-method sterilization device for producing casein does not have an ozone sterilization device, and the quality and quality of the casein product after irradiation treatment do not reach the standard.
2. At present, the existing dry-method sterilization device for producing casein does not have an air-drying treatment device, and wet casein particles easily block equipment.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides a casein production dry process sterilization apparatus has ozone sterilization quality height and air-dries the characteristics of casein granule.
In order to achieve the above object, the utility model provides a following technical scheme: a dry sterilization device for casein production, which comprises a feed inlet, wherein the lower end surface of the feed inlet is fixedly connected with an air drying chamber, the lower end surface of the air drying chamber is fixedly connected with a storage box, the right side of the upper end surface of the storage box is fixedly connected with a sterilization chamber, the left side of the sterilizing chamber is fixedly connected with the right side of the air drying chamber, the upper end surface of the sterilizing chamber is detachably connected with a motor, the output end of the motor penetrates through the sterilization chamber and extends into the sterilization chamber, the output surface of the sterilization chamber is movably connected with a rotating shaft, the lower end surface of the rotating shaft is fixedly connected with a fixed cover, the lower end surface of the fixed cover is fixedly connected with a sterilizing cylinder, the lower end surface of the sterilizing cylinder is connected with an ozone pipeline in a penetrating way, an ozone generator is arranged in the storage box, the other end of the ozone pipeline penetrates through the storage box and extends to the inside of the storage box to be connected with the ozone generator.
In order to air-dry the casein granule to convey to the inside of a sterilization section of thick bamboo, as the utility model relates to a casein production dry process sterilization apparatus is preferred, the inner wall up end detachable connection of air-dry room has the installation base, the lower terminal surface detachable connection of installation base has two fans, two the lower extreme of fan is provided with the conveyer belt, the first baffle of up end left and right sides fixedly connected with of conveyer belt, the conveyer belt can be dismantled with the inner wall bottom of air-dry room and be connected, the right side fixedly connected with delivery disc of conveyer belt, the delivery disc is located the inside of sterilization room, the up end left and right sides fixedly connected with second baffle of delivery disc.
For the convenience pivot drives pivoted sterilization section of thick bamboo lower extreme and rotates simultaneously, as the utility model relates to a casein production dry process sterilization apparatus is preferred, sterilization section of thick bamboo's lower terminal surface fixedly connected with runing rest, runing rest is down "L" form, runing rest's lower extreme run through the storage tank and with storage tank swing joint, the ozone pipeline runs through the runing rest and extends to the lower extreme of runing rest.
In order to prevent that casein granule from flowing from the discharge gate when a sterilization section of thick bamboo rotates, as the utility model relates to a casein production dry process sterilization apparatus is preferred, the discharge gate has been seted up on the right side of a sterilization section of thick bamboo, the lateral wall threaded connection of discharge gate has the lid.
In order to make the casein particles after the sterilization fall into the container conveniently, the utility model relates to a casein production dry method sterilization device is preferred, the right side threaded connection of discharge gate has the conveyer pipe.
In order to prevent that the ozone that injects when the sterilization section of thick bamboo rotates flows the outside to the sterilization section of thick bamboo, as the utility model relates to a casein production dry process sterilization apparatus is preferred, the up end left side swing joint of fixed lid has the rotatory lid.
In order to prevent that the dust from falling to the inside of motor, conduct the utility model relates to a casein production dry process sterilization apparatus is preferred, the motor cover has been cup jointed to the lateral wall of motor, the lower terminal surface of motor cover is located the up end of sterilization room.
In order to make things convenient for the mobile device, as the utility model relates to a casein production dry process sterilization apparatus is preferred, four evenly distributed's universal wheel, four of the lower terminal surface fixedly connected with of storage tank the equal fixedly connected with brake block in the outside of universal wheel.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of casein production dry process sterilization apparatus, through setting up the storage tank, make things convenient for putting of staff to the container of feeding to get, thereby staff's work efficiency has been improved, the casein granule passes through the feed inlet, the inside through the air-drying chamber air-dries the processing, thereby make the casein granule reach dry effect, the casein granule after air-drying falls into the inside of a sterilization section of thick bamboo, ozone generator inside ozone passes through the inside that the ozone pipeline entered into a sterilization section of thick bamboo, for the inside effect that provides ozone of a sterilization section of thick bamboo, and then drive the pivot fast turn-round through starter motor, the rapid rotation of a sterilization section of thick bamboo has been driven, thereby reached the mycotic effect to the casein granule.
2. This kind of casein production dry process sterilization apparatus, fall into the casein granule of air-drying chamber, convey the sterilization chamber through the conveyer belt, and then reached the effect of automatic transmission casein granule, make the efficiency improvement of air-dry sterilization, two fans in the casein granule in-process of conveyer belt upper end through the inner wall upper end of air-drying chamber are bloied, thereby make the casein granule reach dry effect, the conveyer belt conveys the delivery tray, and then the casein granule falls into the inside of the sterilization section of thick bamboo that is lower than the delivery tray, through first baffle and second baffle, and then prevent the effect that the casein granule in the conveying dropped.
3. This kind of casein production dry process sterilization apparatus, runing rest and sterilization section of thick bamboo fixed connection, convenient pivoted runing rest that can rotate drives the sterilization section of thick bamboo and rotates, and lower extreme pivoted effect simultaneously when making the pivot drive the rotation of pivoted sterilization section of thick bamboo upper end.
4. This kind of casein production dry process sterilization apparatus, the casein granule after the sterilization passes through the discharge gate, makes things convenient for the ejection of compact, couples together through lid and discharge gate, and the casein granule is from the effect of discharge gate outflow when preventing to go out a rotation of sterilization section of thick bamboo, through being connected conveyer pipe and discharge gate, and then the casein granule after the convenient sterilization falls into the inside of container.
5. This kind of casein production dry process sterilization apparatus can be rotatory at the up end of fixed lid through rotatory lid, opens rotatory lid when the casein granule is carried to the conveyer belt, and then makes things convenient for the casein granule to fall into the inside effect of a sterilization section of thick bamboo, when starter motor carries out sterilization treatment, closes rotatory lid, prevents that the ozone of pouring into when a sterilization section of thick bamboo rotates from flowing the outside effect of a sterilization section of thick bamboo.
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 embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a sectional view of a dry sterilizing apparatus for casein production according to the present invention;
FIG. 3 is a cross-sectional view of the sterilizing chamber of the present invention;
FIG. 4 is a structural diagram of a dry sterilization device for casein production according to the present invention;
in the figure, 1, a feed inlet; 2. an air drying chamber; 201. a conveyor belt; 2011. a first baffle plate; 202. a fan; 2021. installing a base; 203. a delivery tray; 2031. a second baffle; 3. a storage box; 4. a universal wheel; 401. a brake pad; 5. a sterilization chamber; 501. a motor; 5011. a motor cover; 502. a rotating shaft; 503. a fixed cover; 504. a rotating cover; 505. a sterilizing cylinder; 5051. a discharge port; 5052. a cover; 506. a delivery pipe; 6. an ozone generator; 601. an ozone pipe; 602. the support is rotated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a casein production dry process sterilization apparatus, including feed inlet 1, the lower terminal surface fixedly connected with air-drying chamber 2 of feed inlet 1, the lower terminal surface fixedly connected with storage tank 3 of air-drying chamber 2, the up end right side fixedly connected with sterilization chamber 5 of storage tank 3, the left side of sterilization chamber 5 and the right side fixed connection of air-drying chamber 2, the up end of sterilization chamber 5 can be dismantled and is connected with motor 501, the output of motor 501 runs through sterilization chamber 5 and extends to the inside of sterilization chamber 5, the output face swing joint of sterilization chamber 5 has pivot 502, the lower terminal surface fixedly connected with fixed cover 503 of pivot 502, the lower terminal surface fixedly connected with sterilization section of thick bamboo 505 of fixed cover 503, the lower terminal surface through connection of sterilization section of thick bamboo 505 has ozone pipeline 601, the internally mounted of storage tank 3 has ozone generator 6, the other end of ozone pipeline 601 runs through storage tank 3 and extends to the inside of storage tank 3 and is connected with ozone generator 6.
In this embodiment: through setting up storage tank 3, and then conveniently feed the container and put and get, thereby staff's work efficiency has been improved, the casein granule passes through feed inlet 1, and then air-dry the processing through the inside of air-drying chamber 2, thereby make the casein granule reach dry effect, the casein granule after air-drying falls into the inside of a sterilization section of thick bamboo 505, ozone generator 6 inside ozone passes through ozone pipeline 601 and enters into the inside of a sterilization section of thick bamboo 505, thereby reached for the inside effect that provides ozone of a sterilization section of thick bamboo 505, through starter motor 501 and then drive pivot 502 fast rotation, thereby driven the rapid rotation of a sterilization section of thick bamboo 505, thereby reached the mycotic effect of casein granule.
Specifically, the inner wall up end of air-dry chamber 2 can be dismantled and be connected with installation base 2021, the lower terminal surface of installation base 2021 can be dismantled and is connected with two fans 202, the lower extreme of two fans 202 is provided with conveyer belt 201, the first baffle 2011 of up end left and right sides fixedly connected with of conveyer belt 201, conveyer belt 201 can be dismantled with the inner wall bottom of air-dry chamber 2 and be connected, the right side fixedly connected with delivery tray 203 of conveyer belt 201, delivery tray 203 is located the inside of sterilization room 5, the up end left and right sides fixedly connected with second baffle 2031 of delivery tray 203.
In this embodiment: fall into the casein granule of air-drying chamber 2, convey sterilization chamber 5 through conveyer belt 201, and then reached the effect of automatic transmission casein granule, the casein granule in-process of conveyer belt 201 upper end conveying is bloied through two fans 202 in the inner wall upper end of air-drying chamber 2, thereby make the casein granule reach dry effect, convey the delivery tray 203 through conveyer belt 201, and then the casein granule falls into the inside of a sterilization section of thick bamboo 505 that is lower than delivery tray 203, through first baffle 2011 and second baffle 2031, and then prevent the effect that the casein granule in the conveying dropped.
Specifically, the lower end surface of the sterilizing cylinder 505 is fixedly connected with a rotating bracket 602, the rotating bracket 602 is in an inverted L shape, and the lower end of the rotating bracket 602 penetrates through the storage box 3 and is movably connected with the storage box 3.
In this embodiment: through runing rest 602 and sterilization section of thick bamboo 505 fixed connection, and then make things convenient for the pivoted runing rest 602 that can rotate to drive sterilization section of thick bamboo 505 and rotate to lower extreme pivoted effect simultaneously when conveniently making pivot 502 drive the rotation of pivoted sterilization section of thick bamboo 505 upper end.
Specifically, the right side of the sterilizing cylinder 505 is provided with a discharge port 5051, and the outer side wall of the discharge port 5051 is connected with a cover 5052 in a threaded manner.
In this embodiment: the sterilized casein particles are conveniently discharged through the discharge port 5051 and are connected with the discharge port 5051 through the cover 5052, so that the casein particles are prevented from flowing out of the discharge port 5051 when the sterilizing cylinder 505 rotates.
Specifically, the right side of the discharge port 5051 is threadedly connected with a delivery pipe 506.
In this embodiment: by connecting the delivery tube 506 with the outlet 5051, the sterilized casein particles are facilitated to fall into the interior of the container.
Specifically, the left side of the upper end surface of the fixed cover 503 is movably connected with a rotating cover 504, and the fixed cover 503 is in a semicircular structure.
In this embodiment: can be rotatory at the up end of fixed lid 503 through rotatory lid 504, and then make things convenient for conveyer belt 201 to carry the casein granule to open rotatory lid 504 to make things convenient for the casein granule to fall into the inside effect of sterilization section of thick bamboo 505, when starter motor 501 carries out sterilization treatment, close rotatory lid 504, thereby prevent that the ozone that injects when sterilization section of thick bamboo 505 rotates from flowing the effect of the outside of sterilization section of thick bamboo 505.
Specifically, the outer side wall of the motor 501 is sleeved with a motor cover 5011, and the lower end face of the motor cover 5011 is located on the upper end face of the sterilization chamber 5.
In this embodiment: the motor cover 5011 is sleeved outside the motor 501, so that dust is prevented from falling into the motor 501, and the service life of the motor 501 is shortened.
Specifically, the lower end face of the storage box 3 is fixedly connected with four universal wheels 4 which are uniformly distributed, and the outer sides of the four universal wheels 4 are fixedly connected with brake pads 401.
In this embodiment: through universal wheel 4, and then make things convenient for the mobile device, through brake block 401, and then make things convenient for fixed equipment.
The utility model discloses a theory of operation and use flow: the worker pushes the equipment to a required position, in the pushing process, the equipment is moved through four uniformly distributed universal wheels 4 on the lower end face of the storage box 3, then the universal wheels 4 are fixed through a brake block 401 and do not allow the equipment to move, the worker rotates and opens a rotating cover 504 on the upper end of a sterilizing cylinder 505, then casein particles are put into a feeding hole 1 and fall into the upper end of a conveyor belt 201 in an air drying chamber 2, then the conveyor belt 201 is opened and conveyed to a sterilizing chamber 5 through the conveyor belt 201, during the conveying process of the casein particles conveyed by the upper end of the conveyor belt 201, the air is blown through two fans 202 on the upper end of the inner wall of the air drying chamber 2, so that the casein particles achieve the drying effect, the conveyor belt 201 is conveyed to a conveying plate 203, the casein particles fall into the sterilizing cylinder 505 lower than the conveying plate 203, when the sterilizing cylinder 505 is full, the conveyor belt 201 is closed, the staff closes the rotatory lid 504, and immediately, start motor 501, drive pivot 502 fast rotation, thereby driven the quick rotation of sterilization section of thick bamboo 505, the inside ozone of ozone generator 6 enters into the inside of sterilization section of thick bamboo 505 through ozone pipeline 601, for the inside effect that provides ozone of sterilization section of thick bamboo 505, the sterilization is finished, close motor 501, the staff takes out the container of the inside storage tank 3 and puts the right side of equipment, open lid 5052, be connected to delivery pipe 506 on discharge gate 5051, and then will begin to carry the casein granule after the dry process sterilization to the container inside.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a casein production dry process sterilization apparatus, includes feed inlet (1), its characterized in that: the air drying chamber (2) is fixedly connected to the lower end face of the feeding port (1), the storage box (3) is fixedly connected to the lower end face of the air drying chamber (2), the sterilizing chamber (5) is fixedly connected to the right side of the upper end face of the storage box (3), the left side of the sterilizing chamber (5) is fixedly connected to the right side of the air drying chamber (2), the motor (501) is detachably connected to the upper end face of the sterilizing chamber (5), the output end of the motor (501) penetrates through the sterilizing chamber (5) and extends into the sterilizing chamber (5), the output face of the sterilizing chamber (5) is movably connected with a rotating shaft (502), the fixing cover (503) is fixedly connected to the lower end face of the rotating shaft (502), the sterilizing cylinder (505) is fixedly connected to the lower end face of the fixing cover (503), the ozone pipeline (601) is connected to the lower end face of the sterilizing cylinder (505) in a penetrating manner, and the oxygen generator (6) is installed inside the storage box (3), the other end of the ozone pipeline (601) penetrates through the storage box (3) and extends into the storage box (3) to be connected with the ozone generator (6).
2. The dry sterilization device for casein production according to claim 1, wherein: the utility model discloses a sterilization cabinet, including air-drying chamber (2), the inner wall up end of air-drying chamber (2) can be dismantled and be connected with installation base (2021), the lower terminal surface of installation base (2021) can be dismantled and be connected with two fans (202), two the lower extreme of fan (202) is provided with conveyer belt (201), the first baffle of up end left and right sides fixedly connected with (2011) of conveyer belt (201), conveyer belt (201) can be dismantled with the inner wall bottom of air-drying chamber (2) and be connected, the right side fixedly connected with delivery disc (203) of conveyer belt (201), delivery disc (203) are located the inside of sterilization chamber (5), the up end left and right sides fixedly connected with second baffle (2031) of delivery disc (203).
3. The dry sterilization device for casein production according to claim 1, wherein: the lower terminal surface fixedly connected with runing rest (602) of a sterilization section of thick bamboo (505), runing rest (602) are down "L" form, the lower extreme of runing rest (602) run through storage tank (3) and with storage tank (3) swing joint, ozone pipeline (601) run through runing rest (602) and extend to the lower extreme of runing rest (602).
4. The dry sterilization device for casein production according to claim 1, wherein: the right side of the sterilizing cylinder (505) is provided with a discharge hole (5051), and the outer side wall of the discharge hole (5051) is in threaded connection with a cover (5052).
5. The dry sterilization device for casein production according to claim 4, wherein: the right side of the discharge hole (5051) is in threaded connection with a delivery pipe (506).
6. The dry sterilization device for casein production according to claim 1, wherein: the left side of the upper end face of the fixed cover (503) is movably connected with a rotary cover (504), and the fixed cover (503) is of a semicircular structure.
7. The dry sterilization device for casein production according to claim 1, wherein: the lateral wall of motor (501) has cup jointed motor cover (5011), the lower terminal surface of motor cover (5011) is located the up end of sterile chamber (5).
8. The dry sterilization device for casein production according to claim 1, wherein: the lower terminal surface fixedly connected with four evenly distributed universal wheels (4) of storage tank (3), four the equal fixedly connected with brake block (401) in the outside of universal wheel (4).
CN201921157016.8U 2019-07-23 2019-07-23 Casein production dry process sterilization apparatus Expired - Fee Related CN210314080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921157016.8U CN210314080U (en) 2019-07-23 2019-07-23 Casein production dry process sterilization apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921157016.8U CN210314080U (en) 2019-07-23 2019-07-23 Casein production dry process sterilization apparatus

Publications (1)

Publication Number Publication Date
CN210314080U true CN210314080U (en) 2020-04-14

Family

ID=70124957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921157016.8U Expired - Fee Related CN210314080U (en) 2019-07-23 2019-07-23 Casein production dry process sterilization apparatus

Country Status (1)

Country Link
CN (1) CN210314080U (en)

Similar Documents

Publication Publication Date Title
CN107442235A (en) A kind of material automatic fine pulverizer with drying function
CN210892503U (en) Drying device convenient to take out medicinal material
CN107894148A (en) It is a kind of to be easy to feeding and the feed sterilizing and drying device of discharging
CN210314080U (en) Casein production dry process sterilization apparatus
CN215507028U (en) A reducing mechanism for producing sieving machine of milk powder
CN207680729U (en) A kind of material automatic fine pulverizer with drying function
CN206354394U (en) Cartridge type lifting feeding Queensland nut air-dries unit
CN212711487U (en) Meat material conveying device
CN109437996B (en) Multilayer livestock and poultry manure treatment device for livestock farm
CN208824941U (en) Medicinal powder mixing screening plant
CN208757517U (en) A kind of feed stuff agitating device
CN209093186U (en) High-speed mixer
CN205482249U (en) Energy -conserving drying device of powder
CN105771726A (en) Novel mixer
CN207655065U (en) A kind of efficient aquatic feeds mixing arrangement
CN112325604A (en) Drying device is used in herbal pieces-production
CN219311732U (en) Plastic granules stoving storage bucket
CN212040352U (en) Change sugar agitator tank with grinding assembly
CN205628508U (en) Automatic powder and applying powder system returned of two some coating machines of bonding lining
CN217963212U (en) Plastic spraying equipment is used in metal parts processing
CN209317603U (en) Batch bin is used in a kind of safe novel fodder preparation
CN219014904U (en) Excrement and sewage integrated machine
CN219251739U (en) Bubble eliminating device for adhesive
CN220702306U (en) Grain conveyor
CN214495666U (en) Dairy products filling equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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: 20200414

Termination date: 20210723