CN214244404U - Domestic waste water waste gas environmental protection treatment facility - Google Patents

Domestic waste water waste gas environmental protection treatment facility Download PDF

Info

Publication number
CN214244404U
CN214244404U CN202022358938.4U CN202022358938U CN214244404U CN 214244404 U CN214244404 U CN 214244404U CN 202022358938 U CN202022358938 U CN 202022358938U CN 214244404 U CN214244404 U CN 214244404U
Authority
CN
China
Prior art keywords
pipe
layered
glue
plate
waste water
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
CN202022358938.4U
Other languages
Chinese (zh)
Inventor
马海沧
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.)
Bai Zhao
Original Assignee
Bai Zhao
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 Bai Zhao filed Critical Bai Zhao
Priority to CN202022358938.4U priority Critical patent/CN214244404U/en
Application granted granted Critical
Publication of CN214244404U publication Critical patent/CN214244404U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

Landscapes

  • Processing Of Solid Wastes (AREA)

Abstract

The utility model discloses a domestic waste water waste gas environmental protection treatment facility, its structure includes: the utility model comprises a main body, an input pipe, an output pipe, a waste water pipe and a circulating layered fermentation device, wherein the input pipe is arranged on the right side of the top end of the main body in a penetrating way, the output pipe is arranged on the left side of the top end of the main body in a penetrating way, and the waste water pipe is arranged on the left side of the bottom end of the main body in a penetrating way, through the mutual matching of the feeding control structure and the layering plate, when the fermentation raw materials are fed in, the fermentation raw materials cannot enter the next layering box through the feeding pipe due to the influence of the layering plate, but enters the layer through the feeding pipe, the raw material enters the next layer only when the floating block in the feeding pipe rises due to the influence of the added raw material and closes the inlet of the feeding pipe through the closing block and the extruded raw material breaks through the laminated plate, the circulating layered fermentation device realizes that the raw materials are added each time without influencing other layers, so that the raw materials can be added during the fermentation of the methane tank.

Description

Domestic waste water waste gas environmental protection treatment facility
Technical Field
The utility model relates to a domestic waste water waste gas environmental protection treatment facility belongs to the refuse treatment field.
Background
A methane tank is a green and environment-friendly garbage treatment mode which can generate combustible methane for biochemical fire and electricity utilization and enable the fermentation products to become high-quality fertilizers by mixing and fermenting biochemical sewage and kitchen garbage, is mainly used in a large amount in rural self-built rooms, but can not add new fermentation raw materials into the methane tank during fermentation or interrupt the original fermentation process.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, this practicality provides a domestic waste water waste gas environmental protection treatment facility.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a domestic waste water waste gas environmental protection treatment facility which the structure includes: main part, input tube, output tube, waste pipe still include circulation layering fermenting installation, the input tube runs through to be installed in main part top right side, the output tube runs through to be installed in main part top left side, the waste pipe runs through to be installed in main part bottom left side, circulation layering fermenting installation is fixed in inside the main part through gluing the connection.
Preferably, the circulating layered fermentation device comprises three layered boxes, a feeding pipe, an air outlet pipe, an emptying pipe, layered plates, a feeding control structure, an automatic discharge mechanism and a valve plate, wherein the three layered boxes are stacked in sequence from top to bottom and are arranged in the main body through adhesive connection, one end of the feeding pipe penetrates through and is connected to the upper end of the right side of the layered boxes in an adhesive manner, the other end of the feeding pipe penetrates through and is connected to the left end of the input pipe in an adhesive manner, one end of the air outlet pipe penetrates through and is connected to the upper end of the left side of the layered boxes in an adhesive manner, the other end of the air outlet pipe penetrates through and is connected to the right end of the output pipe in an adhesive manner, one end of the emptying pipe penetrates through and is connected to the lower end of the left side of the layered boxes in an adhesive manner, the other end of the emptying pipe penetrates through and is connected to the right end of the waste pipe in an adhesive manner, the feeding control structure penetrates through and is in clearance fit with the left end of the output pipe, the three layered plates are respectively connected to the inner wall of the input pipe through a rotating shaft, and the lower end of the feeding control structure is tightly attached to the right end of the feeding control structure, the automatic discharge mechanism is connected to the inner wall of the gas outlet pipe through rubber, the valve plate penetrates through and is in clearance fit with the upper end of the emptying pipe and is connected with the automatic discharge mechanism, and the circulating layered fermentation device can ensure that the inside of the circulating layered fermentation device continuously generates methane under the condition of adding raw materials again.
Preferably, the feeding control structure comprises a floating block, a chute plate, a connecting plate, a closing block, a sliding rod and a contact rod, wherein the connecting plate is communicated and in clearance fit with the left end of the input pipe, the contact rod is welded at the right end of the connecting plate, the upper end of the contact rod is tightly attached to the lower end of the layered plate, the sliding rod is communicated and in clearance fit with the left side of the rear end of the connecting plate, the chute plate is arranged on the right side in the layered box and in clearance fit with the sliding rod, the floating block is connected to the bottom end of the chute plate through glue, the closing block is connected to the middle of the right end of the chute plate through glue and corresponds to the feeding pipe, and the feeding control structure can control the layered plate to enable the raw materials to fill the layered box and then open the next layer.
Preferably, the automatic discharging mechanism comprises a support plate, a fan wheel, a rotating shaft, a rubber band and a steel wire rope, the support plate is connected to the inner wall of the air outlet pipe through a rubber, the rotating shaft is communicated with the left end and the right end of the support plate in a clearance fit mode, the fan wheel is nested on the outer side of the rotating shaft and connected through a key, one end of the rubber band is fixed to the left end of the support plate through rubber connection, the other end of the rubber band is connected to the outer side of the rotating shaft through rubber connection, one end of the steel wire rope is fixed to the outer side of the rotating shaft through rubber connection and located behind the fan wheel, the other end of the steel wire rope is fixed to the middle of the upper end of the valve plate through rubber connection, and the automatic discharging mechanism can automatically discharge completely fermented raw materials.
Preferably, the chute board is a cuboid, the front end of the chute board is provided with an arc-shaped chute in sliding fit with the sliding rod, the bottom end of the arc-shaped chute is arranged at the right lower corner of the chute board, the top end of the chute board is arranged at the left upper corner of the chute board, and the chute board can enable the sliding rod to move to the right by one end distance when the chute board moves upwards.
Preferably, the length of the steel wire rope is determined by the volume of the layered box, so that the fermented substances in the layered box can not generate the methane under the condition that the steel wire rope is completely retracted.
Preferably, the laminated plate is made of polyethylene terephthalate, and has high resilience to be closely attached to the inner wall of the inlet pipe.
Advantageous effects
The utility model relates to a domestic waste water waste gas environmental protection treatment facility has following effect:
1. the utility model discloses a be equipped with circulation layering fermenting installation, through mutually supporting of wherein feed control structure and layering board, when having realized beginning input fermentation raw and other materials, can make it can't get into lower floor layering case through the input tube because the influence of layering board, but get into the place layer through the conveying pipe, only when its inside kicking block rises because the influence of adding raw and other materials and just can get into the lower floor when the layering board is washed away to closed block closed conveying pipe entry and extruded raw and other materials, thereby this circulation layering fermenting installation has realized through this kind of mode that it can not influence other layers and add raw and other materials when the fermentation of methane-generating pit at every turn.
2. The utility model discloses a be equipped with automatic discharge mechanism, through mutually supporting of wherein part and valve plate, realized that the layering incasement produces marsh gas and can be via the outlet duct discharge, and it is rotatory all can drive the sector to discharge at every turn for the pivot is tightened up and is finally can pull up the valve plate through this wire rope according to wire rope, makes the waste liquid discharge waste pipe through the evacuation pipe, and this automatic discharge mechanism's use can not produce the waste liquid of marsh gas by the evacuation automatically.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of an environmental protection treatment device for domestic waste water and waste gas of the utility model;
FIG. 2 is a front view of the anatomical structure of the cyclic layered fermentation device of the present invention;
fig. 3 is a schematic view of the feed control structure of the present invention along the line a-a in fig. 2;
FIG. 4 is a schematic structural view of the automatic discharging mechanism of the present invention;
fig. 5 is an enlarged schematic view of the structure of fig. 2B according to the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 2 at C according to the present invention;
fig. 7 is an enlarged schematic view of the structure at D in fig. 2 according to the present invention.
In the figure: the device comprises a main body-1, an input pipe-2, an output pipe-3, a waste water pipe-4, a circulating layered fermentation device-5, a layered box-51, a feeding pipe-52, an air outlet pipe-53, an emptying pipe-54, a layered plate-55, a feeding control structure-56, an automatic discharge mechanism-57, a valve plate-58, a floating block-561, a sliding chute plate-562, a connecting plate-563, a closing block-564, a sliding rod-565, a contact rod-566, a support plate-571, a fan wheel-572, a rotating shaft-573, a rubber band-574 and a steel wire rope-575.
Detailed Description
For making the utility model discloses technical means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, and fig. 1 ~ 7 are schematic showing the utility model discloses embodiment's farming irrigation mechanism's structure combines specific implementation below, further explains the utility model discloses.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore should not be construed as limiting the present invention.
Examples
As shown in figures 1-7, the utility model provides a domestic waste water waste gas environmental protection treatment equipment: the structure includes: main part 1, input tube 2, output tube 3, waste pipe 4 still include circulation layering fermenting installation 5, input tube 2 runs through to be installed in 1 top right sides in main part, output tube 3 runs through to be installed in 1 top left sides in main part, waste pipe 4 runs through to be installed in 1 bottom left sides in main part, circulation layering fermenting installation 5 is fixed in inside 1 main part through gluey connection.
The circulating layered fermentation device 5 comprises three layered boxes 51, a feeding pipe 52, an air outlet pipe 53, three emptying pipes 54, layered plates 55, a feeding control structure 56, an automatic discharge mechanism 57 and a valve plate 58, wherein the layered boxes 51 are stacked in sequence from top to bottom and are arranged in the main body 1 through adhesive connection, one end of the feeding pipe 52 penetrates through and is connected to the upper end of the right side of the layered box 51 in an adhesive manner, the other end of the feeding pipe penetrates through and is connected to the left end of the input pipe 2 in an adhesive manner, one end of the air outlet pipe 53 penetrates through and is connected to the upper end of the left side of the layered box 51 in an adhesive manner, the other end of the air outlet pipe penetrates through and is connected to the right end of the output pipe 3 in an adhesive manner, one end of the emptying pipe 54 penetrates through and is connected to the lower end of the left side of the layered box 51 in an adhesive manner, the other end of the feeding control structure 56 penetrates through and is matched with the left end of the output pipe 3 in an gap manner, the layered plates 55 are respectively connected to the inner wall of the input pipe 2 through rotating shafts, the lower end of the circulating layered fermentation device 5 is tightly attached to the right end of the feeding control structure 56, the automatic discharging mechanism 57 is connected to the inner wall of the air outlet pipe 53 through glue, the valve plate 58 penetrates through and is in clearance fit with the upper end of the emptying pipe 54 and is connected with the automatic discharging mechanism 57, and the circulating layered fermentation device can ensure that the inside of the circulating layered fermentation device continuously generates methane under the condition of adding raw materials again.
The feeding control structure 56 is composed of a floating block 561, a chute plate 562, a connecting plate 563, a closing block 564, a sliding rod 565 and a contact rod 566, wherein the connecting plate 563 penetrates through and is in clearance fit with the left end of the input pipe 2, the contact rod 566 is welded at the right end of the connecting plate 563, the upper end of the contact rod is tightly attached to the lower end of the layered plate 55, the sliding rod 565 penetrates through and is in clearance fit with the left side of the rear end of the connecting plate 563, the chute plate 562 is arranged at the right side in the layered box 51 and is in clearance fit with the sliding rod 565, the floating block 561 is connected to the bottom end of the chute plate 562 through glue, the closing block 564 is connected to the middle of the right end of the chute plate 562 through glue and corresponds to the feeding pipe 52, and the feeding control structure 56 can enable the raw materials to be opened at the next layer after the layered box 51 is filled with the raw materials through controlling the layered plate 55.
The automatic discharging mechanism 57 is composed of a support plate 571, a fan wheel 572, a rotating shaft 573, a rubber band 574 and a steel wire rope 575, the support plate 571 is connected to the inner wall of the air outlet pipe 53 through glue, the rotating shaft 573 penetrates through and is in clearance fit with the left end and the right end of the support plate 571, the fan wheel 572 is nested outside the rotating shaft 573 and is in key connection through glue, one end of the rubber band 574 is fixed to the left end of the support plate 571 through glue, the other end of the rubber band 574 is connected to the outside of the rotating shaft 573 through glue, one end of the steel wire rope 575 is fixed to the outside of the rotating shaft 573 and behind the fan wheel 572 through glue, the other end of the steel wire rope 575 is fixed to the middle of the upper end of the valve plate 58 through glue, and the automatic discharging mechanism 57 can automatically discharge completely fermented raw materials.
The chute plate 562 is a cuboid, an arc-shaped chute in sliding fit with the sliding rod 565 is arranged at the front end of the chute plate 562, the bottom end of the arc-shaped chute is arranged at the right lower corner of the chute plate 562, the top end of the chute plate 562 is arranged at the left upper corner of the chute plate 562, and the chute of the chute plate 562 can enable the sliding rod 565 to move leftwards by one distance when the chute plate 562 moves upwards.
The length of the steel wire rope 575 is determined by the volume of the layered box 51, so that the condition that the steel wire rope 575 is completely retracted and the fermentation materials in the layered box 51 are not completely fermented to generate the methane is ensured.
The laminate 55 is made of polyethylene terephthalate, and has high resilience to closely adhere to the inner wall of the input pipe 2.
The following is to the technical scheme the utility model provides a domestic waste water waste gas environmental protection treatment facility's theory of operation does as follows:
when the methane tank is used, raw materials are input through the input pipe 2, and only enter the first layering box 51 at first due to the influence of the layering plate 55 until the floating block 561 rises under the influence of buoyancy to drive the closing block 564 and the sliding groove plate 562 to move upwards so that the sliding rod 565 slides in the sliding groove and the connecting plate 563 moves to the right, so that the contact rod 566 does not fix the position of the layering plate 55 until the closing block 564 rises to close the feeding pipe 52, the added raw materials cannot enter the first layering box 51, the added raw materials are accumulated in the input pipe 2, finally the layering plate 55 is squeezed open by gravity to rotate around the shaft, the input pipe 2 entering the next layer is opened, at the moment, the raw materials in the first layering box 51 start to ferment and generate methane, the methane is discharged to the output pipe 3 through the air outlet pipe 53, the methane drives the fan wheel 572 to rotate when passing through, and the rotating shaft 573 rotates together, so as to stretch the rubber reinforcement 574 and retract the steel wire rope 575 and pull up the valve plate 58, thereby allowing the internal waste water to be discharged to the waste water pipe 4 through the emptying pipe 54 and at this time the rubber string 574 contracts to allow the wire rope 575 to be loosened.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a domestic waste water waste gas environmental protection treatment facility which the structure includes: main part (1), input tube (2), output tube (3), waste pipe (4), its characterized in that: still include circulation layering fermenting installation (5), input tube (2) run through to be installed in main part (1) top right side, output tube (3) run through to be installed in main part (1) top left side, waste pipe (4) run through to be installed in main part (1) bottom left side, circulation layering fermenting installation (5) are fixed in inside main part (1) through gluey connection.
2. The environment-friendly domestic garbage waste water and gas treatment equipment as claimed in claim 1, wherein: the circulating layered fermentation device (5) consists of three layered boxes (51), a feeding pipe (52), an air outlet pipe (53), an emptying pipe (54), a layered plate (55), a feeding control structure (56), an automatic discharge mechanism (57) and a valve plate (58), wherein the three layered boxes (51) are sequentially stacked from top to bottom and are arranged in the main body (1) through glue connection, one end of the feeding pipe (52) penetrates through and is connected to the upper end of the right side of the layered box (51) in a glue mode, the other end of the feeding pipe penetrates through and is connected to the left end of the input pipe (2) in a glue mode, one end of the air outlet pipe (53) penetrates through and is connected to the upper end of the left side of the layered box (51) in a glue mode, the other end of the emptying pipe (54) penetrates through and is connected to the lower end of the left side of the layered box (51) in a glue mode, the other end of the emptying pipe (54) penetrates through and is connected to the right end of the waste water pipe (4) in a glue mode, the feeding control structure (56) is communicated and in clearance fit with the left end of the output pipe (3), the number of the layered plates (55) is three, the layered plates are respectively connected to the inner wall of the input pipe (2) through a rotating shaft, the lower ends of the layered plates are tightly attached to the right end of the feeding control structure (56), the automatic discharge mechanism (57) is connected to the inner wall of the air outlet pipe (53) through glue, and the valve plate (58) is communicated and in clearance fit with the upper end of the emptying pipe (54) and is connected with the automatic discharge mechanism (57) mutually.
3. The environment-friendly domestic garbage waste water and gas treatment equipment as claimed in claim 2, wherein: the feeding control structure (56) comprises a floating block (561), a sliding groove plate (562), a connecting plate (563), a closing block (564), a sliding rod (565) and a contact rod (566), wherein the connecting plate (563) penetrates through and is in clearance fit with the left end of the input pipe (2), the contact rod (566) is welded at the right end of the connecting plate (563), the upper end of the contact rod is tightly attached to the lower end of the layered plate (55), the sliding rod (565) penetrates through and is in clearance fit with the left side of the rear end of the connecting plate (563), the sliding groove plate (562) is arranged on the inner right side of the layered box (51) and is in clearance fit with the sliding rod (565), the floating block (561) is connected to the bottom end of the sliding groove plate (562) through glue, and the closing block (564) is connected to the middle of the right end of the sliding groove plate (562) through glue and corresponds to the feeding pipe (52).
4. The environment-friendly domestic garbage waste water and gas treatment equipment as claimed in claim 2, wherein: the automatic discharging mechanism (57) comprises a support plate (571), a fan wheel (572), a rotating shaft (573), a rubber band (574) and a steel wire rope (575), wherein the support plate (571) is connected to the inner wall of the air outlet pipe (53) through glue, the rotating shaft (573) penetrates through and is in clearance fit with the left end and the right end of the support plate (571), the fan wheel (572) is nested on the outer side of the rotating shaft (573) and is connected through a key, one end of the rubber band (574) is fixedly connected to the left end of the support plate (571) through glue, the other end of the rubber band is connected to the outer side of the rotating shaft (573) through glue, one end of the steel wire rope (575) is fixedly connected to the outer side of the rotating shaft (573) through glue and is located behind the fan wheel (572), and the other end of the steel wire rope is fixedly connected to the middle of the upper end of the valve plate (58) through glue.
5. The environmental protection treatment equipment for the domestic garbage, waste water and waste gas as claimed in claim 3, characterized in that: the chute board (562) is a cuboid, the front end of the chute board is provided with an arc chute which is in sliding fit with the sliding rod (565), the bottom end of the chute board is arranged at the right lower corner of the chute board (562), and the top end of the chute board (562) is arranged at the left upper corner of the chute board (562).
CN202022358938.4U 2020-10-21 2020-10-21 Domestic waste water waste gas environmental protection treatment facility Expired - Fee Related CN214244404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022358938.4U CN214244404U (en) 2020-10-21 2020-10-21 Domestic waste water waste gas environmental protection treatment facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022358938.4U CN214244404U (en) 2020-10-21 2020-10-21 Domestic waste water waste gas environmental protection treatment facility

Publications (1)

Publication Number Publication Date
CN214244404U true CN214244404U (en) 2021-09-21

Family

ID=77729862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022358938.4U Expired - Fee Related CN214244404U (en) 2020-10-21 2020-10-21 Domestic waste water waste gas environmental protection treatment facility

Country Status (1)

Country Link
CN (1) CN214244404U (en)

Similar Documents

Publication Publication Date Title
CN101983951B (en) Composting device for domestic waste
CN109055189B (en) Straw excrement garbage continuous dry fermentation one-pot type high-efficiency biogas producer and process
CN201801518U (en) Dry method anaerobic fermentation reactor capable of automatically moving sedimentary materials
CN101979363B (en) Ecological composting device for organic garbage
CN203307190U (en) Anaerobic reactor
Nazir Biogas plants construction technology for rural areas
CN107382385A (en) Intelligent sunlight garbage compost room
CN214244404U (en) Domestic waste water waste gas environmental protection treatment facility
CN208346065U (en) Vertical organic fertilizer fermenting apparatus
CN103468563A (en) Efficient methane production device
CN103754531A (en) Waste-compressing garbage can
CN212199242U (en) Continuous dry anaerobic-aerobic two-stage coupling fermentation system
CN104893958A (en) High-temperature dry anaerobic fermentation apparatus of organic wastes
CN107937252A (en) A kind of imflammable gas Preparation equipment
CN201817417U (en) Ecological composting device of organic garbage
CN202595139U (en) Efficient methane production device
CN110499241A (en) A kind of anaerobic dry fermentation apparatus of tunnel dragon-bone water lift formula
CN207375968U (en) Perishable rubbish aerobic fermentation device
CN104120081B (en) A kind of less energy-consumption of the area that seasons oneself to cold runs bionethanation system
CN205062965U (en) Rural area ecological environmental protection lavatory of water conservation
CN203683337U (en) Ball-type circulating bioreactor
CN103387933A (en) Full-mechanical drive feeding device of reactor with high solid concentration
CN208586294U (en) A kind of garage type dry method fermentation cabin
CN201933082U (en) Anaerobic fermentation device for direct methane generation with straws
CN207727068U (en) A kind of rubbish from cooking recycling system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210921

CF01 Termination of patent right due to non-payment of annual fee