CN212198693U - Novel ABR baffle plate anaerobic reactor - Google Patents
Novel ABR baffle plate anaerobic reactor Download PDFInfo
- Publication number
- CN212198693U CN212198693U CN202020393924.3U CN202020393924U CN212198693U CN 212198693 U CN212198693 U CN 212198693U CN 202020393924 U CN202020393924 U CN 202020393924U CN 212198693 U CN212198693 U CN 212198693U
- Authority
- CN
- China
- Prior art keywords
- water
- compartment
- reactor
- water filtering
- water outlet
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 255
- 238000001914 filtration Methods 0.000 claims abstract description 78
- 239000000945 filler Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 10
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical group [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000010865 sewage Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model discloses a novel ABR baffling board anaerobic reactor, this novel ABR baffling anaerobic reactor includes: the water inlet compartment is positioned at the front end of the reactor, the water outlet compartment is positioned at the tail end of the reactor, the water filtering compartment is arranged between the water inlet compartment and the water outlet compartment, the exhaust system is positioned at the top of the reactor, and exhaust pipes are connected from the compartments and are exhausted by the main exhaust pipe; the water inlet compartment adopts an annular water inlet structure, the water filtering compartment comprises a plurality of compartments, each compartment adopts different fillers, the last water filtering compartment adopts an inclined baffle plate pattern, and the water outlet compartment is provided with a water tank; the utility model discloses it is stable to intake, and purifying effect is good, simple structure.
Description
Technical Field
The utility model relates to an anaerobic equipment field especially relates to a novel ABR baffling board anaerobic reactor.
Background
An Anaerobic baffle plate Reactor (ABR for short) process is a high-efficiency novel Anaerobic sewage biological technology which is developed and developed by Mc Carty of Stanford university in America in 1981 on the basis of summarizing the characteristic performances of various second-generation Anaerobic Reactor treatment processes; because a series of baffle plates which are vertically arranged are used in the reactor, the reactor is divided into a plurality of reaction chambers which are connected in series, and each reaction chamber can be regarded as a relatively independent upflow sludge bed system (USB for short); the treated wastewater flows up and down along the baffle plate in the reactor and sequentially passes through the sludge bed of each reaction chamber, and the organic substrates in the wastewater are removed by contacting with microorganisms; the microorganism solids in the reactor do up-and-down expansion and sedimentation movement in each compartment formed by the baffle plates by means of the gas generated in the reactor during the treatment process, and the water flow in the whole reactor does horizontal flow at a slower speed; the water flow flows around the baffle plate to increase the total length of the water flow in the reactor, and the biological solids are effectively retained in the reactor under the blocking of the baffle plate and the sedimentation of the sludge; the hydraulic flow regime of the ABR reactor is therefore closer to plug flow.
The existing ABR reactors have the conditions that water flow is unstable in the water inlet process, the first-stage load is high, plug flow type outlet water is easy to block, the filler in each water filtering tank is the same, the filler is not added in a targeted manner, and the efficiency of filtering water at all stages is reduced.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned technique, the utility model provides a novel ABR baffling board anaerobic reactor, include: the reactor comprises a reactor main body, a baffle plate and an exhaust system, wherein the reactor main body is divided into a water inlet compartment, a water filtering compartment and a water outlet compartment by the baffle plate, the water inlet compartment is positioned at the foremost end, the water outlet compartment is positioned at the rearmost end, and the water filtering compartment is positioned between the water inlet compartment and the water outlet compartment; the exhaust system is arranged at the top end of the reactor main body and connected with each compartment, the water filtering compartment is divided into a plurality of water filtering rooms, a reaction tank is arranged in each water filtering room, different fillers are arranged in each reaction tank according to different water qualities, and sewage is treated more efficiently.
Preferably, the method comprises the following steps: the height of the baffle plates is reduced from the water inlet compartment to the water outlet compartment in sequence, the water filtering compartment and the water inlet compartment are separated by the last baffle plate, and the top of the baffle plate is obliquely arranged towards the water outlet compartment, so that the water flow of water is accelerated.
Preferably, the method comprises the following steps: the water filtering compartment is divided into a first water filtering room, a second water filtering room, a third water filtering room and a fourth water filtering room, the filler arranged in the reaction tank in the first water filtering room is iron carbon, the filler arranged in the reaction tank in the second water filtering room and the reaction tank in the third water filtering room is ceramsite, and the filler arranged in the reaction tank in the fourth water filtering room is zeolite.
Preferably, the method comprises the following steps: the exhaust system comprises a plurality of branch pipelines, a main pipeline and a water seal device, the branch pipelines are respectively connected into each compartment and a water filtering room, and the main pipeline is connected with each branch pipeline in parallel and is connected to the water seal device.
Preferably, the method comprises the following steps: the water distribution pipe enters the water inlet compartment from the upper part of the water inlet compartment, extends to the lower part of the water inlet compartment, and surrounds an annular structure at the lower part of the water inlet compartment to uniformly distribute water.
Preferably, the method comprises the following steps: the water outlet compartment also comprises a water tank and a water outlet pipe, the water tank is arranged at the upper part of the water outlet compartment, and the water outlet pipe is connected with the water tank and is connected out of the water tank; and water in the water outlet compartment is pumped to the water tank and then overflows from the water tank through the water outlet pipe.
Preferably, the method comprises the following steps: the reactor body further includes a plurality of manhole flanges disposed at the upper top of each compartment and sealed by the manhole flange covers, and a manhole cover.
Preferably, the method comprises the following steps: the reactor main body also comprises a sampling pipe and a glass liquid level meter, wherein the sampling pipe and the glass liquid level meter are both arranged on the outer wall of the reactor main body corresponding to each compartment, and the sampling pipe is provided with a water tap and is used for observing a water sample; the glass level gauge displays the internal liquid level.
Preferably, the method comprises the following steps: the reactor main part still includes the mud pipe, the mud pipe includes main mud pipe and branch mud pipe, branch mud pipe has a plurality ofly, inserts each compartment and drainage room respectively, main mud pipe parallel connection each divides mud pipe and connects out.
The utility model has the advantages that: compared with the prior art, the utility model provides a pair of novel ABR baffling board anaerobic reactor, include: the reactor comprises a reactor main body, a baffle plate and an exhaust system, wherein the reactor main body is divided into a water inlet compartment, a water filtering compartment and a water outlet compartment by the baffle plate, the water inlet compartment is positioned at the foremost end, the water outlet compartment is positioned at the rearmost end, and the water filtering compartment is positioned between the water inlet compartment and the water outlet compartment; the exhaust system is arranged at the top end of the reactor main body and connected with each compartment, the water filtering compartment is divided into a plurality of water filtering rooms, a reaction tank is arranged in each water filtering room, and different fillers are arranged in each reaction tank according to different water qualities, so that sewage is treated more efficiently; the utility model discloses a set up the stability that cyclic annular water-locator was guaranteed to intake, the baffling board that the ladder distributes changes the flow state of rivers, and the baffling board of slope increases the velocity of flow of water, simple structure, and the treatment effeciency is high.
Drawings
Fig. 1 is a three-dimensional view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a top view of the present invention.
The main element symbols are as follows:
1. a reactor body; 2. a water intake compartment; 3. a water outlet compartment; 4. a first drainage room; 5. a second drainage room; 6. a third drainage room; 7. a fourth drainage room; 8. a baffle plate; 9. a reaction tank; 10. a water distribution pipe; 11. a water seal device; 12. a water tank; 13. a main exhaust pipe; 14. dividing an exhaust pipe; 15. a manhole flange; 16. a manhole flange cover; 17. a glass level gauge; 18. sampling a water pipe; 19. a main sludge discharge pipe; 20. separating and discharging mud pipes; 21. a water outlet pipe; 22. and (4) an access hole flange.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-, the present invention discloses a novel ABR baffle plate 8 anaerobic reactor, comprising: the reactor comprises a reactor main body 1, a baffle plate 8 and an exhaust system, wherein the reactor main body 1 is divided into a water inlet compartment 2, a water filtering compartment and a water outlet compartment 3 by the baffle plate 8, the water inlet compartment 2 is positioned at the foremost end, the water outlet compartment 3 is positioned at the rearmost end, and the water filtering compartment is positioned between the water inlet compartment 2 and the water outlet compartment 3; the exhaust system is arranged at the top end of the reactor main body 1 and connected with each compartment, the water filtering compartment is divided into a plurality of water filtering rooms, a reaction tank 9 is arranged in each water filtering room, and different fillers are arranged in each reaction tank 9 according to different water qualities, so that sewage is treated more efficiently; the baffle plate 8 separates each compartment, and divides the water filtering compartment into a first water filtering compartment 4, a second water filtering compartment 5, a third water filtering compartment 6 and a fourth water filtering compartment 7, and the height of the baffle plate 8 is sequentially reduced from the water inlet compartment 2 to the water outlet compartment 3, so that the flowing state of water in the compartments can be changed, wherein the baffle plate 8 separating the water filtering compartment and the water outlet compartment 3 is obliquely arranged, the upper part of the baffle plate is inclined towards the direction of the water outlet compartment 3, and the inner part of the fourth water filtering compartment 7 is narrow at the bottom and wide at the top, so that the effect of accelerating the flow velocity of water flow can be achieved, and the solid impurities are prevented from being deposited and blocked;
the water inlet compartment 2 also comprises a water distribution pipe 10, the water distribution pipe 10 is connected into the water inlet compartment 2 from the upper part of the water inlet compartment 2, extends to the lower part of the water inlet compartment 2, and surrounds the water distribution pipe 10 in a ring shape at the lower part of the water inlet compartment 2, so that the water distribution is uniform when water enters, and the stability when water enters is improved;
the water outlet compartment 3 also comprises a water tank 12, the water tank 12 is arranged at the upper part of the water outlet compartment 3, water enters the water outlet compartment 3 from the fourth filtering room 7 and is pumped to the water tank 12 by a water pump, a water outlet pipe 21 is externally connected with the water tank 12, and the water overflows from the water outlet pipe 21 from the water tank 12;
the exhaust system is arranged at the top of the reactor main body 1, is connected to each compartment and 4 water filtering rooms through a plurality of branch pipelines, is connected with each branch pipeline in parallel through a main pipeline, and is intensively connected to the water sealing device 11 at the top end of the water outlet compartment 3, and the water sealing device 11 is used for preventing gas from mixing and separating gas; also located at the top of the reactor body 1 is a manhole flange 15, the manhole flange 15 is also arranged above each compartment and 4 drainage chambers, and is sealed by a manhole flange cover 16, and the manhole flange 15 is used for human body to enter the reactor for operation;
the reactor main body 1 is also provided with a sludge discharge pipe outside, the sludge discharge pipe is positioned at the lower part of the reactor main body 1 and is divided into a main sludge discharge pipe 19 and branch sludge discharge pipes 20, each branch sludge discharge pipe 20 is connected to each compartment and 4 filter rooms, the other end of each branch sludge discharge pipe is connected to the main sludge discharge pipe 19, and sludge discharged from the compartments by each branch sludge discharge pipe 20 is uniformly discharged from the main sludge discharge pipe 19 through the main sludge discharge pipe 19; the reactor main body 1 is also externally provided with a sampling water pipe 18, the sampling water pipe 18 is arranged outside each compartment and 4 filter rooms, and is externally connected with a water tap for taking an internal water sample for detection; the outside of the reactor body 1 also comprises a glass liquid level meter 17, and the glass liquid level meter 17 is also arranged outside each compartment and 4 filter rooms and is used for observing the liquid level inside; the reactor body 1 also comprises three access hole flanges 22 on the outside, which access hole flanges 22 are used for fault and inspection.
The working principle of the utility model is specifically described below with the attached drawings:
the utility model relates to a novel ABR baffle plate 8 anaerobic reactor, sewage enters a water inlet compartment 2 at the most front end of the reactor through an annular water distribution pipe 10, the annular water distribution pipe 10 ensures uniform and stable water inlet, and when the water level reaches the highest position of a first layer baffle plate 8 along with the increase of the water level, water enters the next compartment and a first water filtering room 4 of a water filtering compartment; a reaction tank 9 is arranged in the middle of the first water filtering room 4, iron-carbon filler is arranged in the reaction tank 9, and sewage and the iron-carbon filler in the tank are subjected to a first reaction; when the liquid level continuously rises to reach the highest position of the second layer of baffle plate 8 again, water enters the next water filtering room, namely the second water filtering room 5; a reaction tank 9 is also arranged in the middle of the second filtering room 5, ceramsite is arranged in the reaction tank 9, and sewage and the ceramsite in the tank are subjected to a second round of reaction; when the liquid level continues to rise to reach the highest position of the third layer of baffle plates 8, water enters the third water filtering room 6, a reaction tank 9 in the middle of the third water filtering room 6 is also set as ceramsite, and sewage and the ceramsite in the tank are subjected to a third round of reaction; when the liquid level continues to rise to reach the highest position of the fourth layer of baffle plate 8, water enters the fourth water filtering room 7, the reaction tank 9 in the middle of the fourth water filtering room 7 is set as zeolite, the water level continues to rise to the upper part of the fifth layer of baffle plate 8 after the last round of reaction, and the water enters the water outlet compartment 3 from an overflow port in the upper part; in the water outlet compartment 3, water entering the water outlet compartment 3 is pumped into the water tank 12 at the upper part of the water outlet compartment 3 by a water pump, the water tank 12 is connected with a water outlet pipe 21 extending outwards, and the water in the water tank 12 reaches the position of the water outlet pipe 21 and is discharged outwards by the water outlet pipe 21.
The top end of each compartment is provided with a branch exhaust pipe 14, a large amount of biogas can be generated in the process of reacting the reaction tank 9 with sewage, and the branch exhaust pipes 14 can independently exhaust the biogas in each compartment, so that the gases generated in different stages of the anaerobic process are prevented from being mixed with each other and then are exhausted by the main exhaust pipe 13; the tail end of the main exhaust pipe 13 is also provided with a water seal device 11, and the water seal device 11 can prevent the gas on two sides of the device from mixing; during the reaction, waste such as biosolids and sludge can be generated, discharged from each compartment through a branch sludge discharge pipe 20 below the reactor main body and then uniformly discharged through a main sludge discharge pipe 19; meanwhile, water quality can be sampled and detected through a sampling water pipe 18 outside the reactor main body, and the liquid level inside the reactor can be observed through a glass liquid level meter 17.
One embodiment mentions: and a manhole flange 15 is further arranged at the top end of each compartment and the water filtering room at the top of the reactor, when the reactor stops operating, an maintainer can enter the inside of the reactor through the manhole, and when the reactor operates, the manhole flange 15 is closed and sealed through a manhole flange cover 16.
The utility model has the advantages that: the utility model provides a novel ABR baffling board anaerobic reactor, include: the reactor comprises a reactor main body, a baffle plate and an exhaust system, wherein the reactor main body is divided into a water inlet compartment, a water filtering compartment and a water outlet compartment by the baffle plate, the water inlet compartment is positioned at the foremost end, the water outlet compartment is positioned at the rearmost end, and the water filtering compartment is positioned between the water inlet compartment and the water outlet compartment; the exhaust system is arranged at the top end of the reactor main body and connected with each compartment, the water filtering compartment is divided into a plurality of water filtering rooms, a reaction tank is arranged in each water filtering room, different fillers are arranged in each reaction tank according to different water qualities, and sewage is treated more efficiently.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. A novel ABR baffle plate anaerobic reactor is characterized by comprising: the reactor comprises a reactor main body, a baffle plate and an exhaust system, wherein the reactor main body is divided into a water inlet compartment, a water filtering compartment and a water outlet compartment by the baffle plate, the water inlet compartment is positioned at the foremost end, the water outlet compartment is positioned at the rearmost end, and the water filtering compartment is positioned between the water inlet compartment and the water outlet compartment; the exhaust system is arranged at the top end of the reactor main body and connected with each compartment, the water filtering compartment is divided into a plurality of water filtering rooms, a reaction tank is arranged in each water filtering room, and different fillers are arranged in the reaction tank according to different water qualities.
2. The novel ABR baffle anaerobic reactor of claim 1, wherein: the height of the baffle plates is sequentially reduced from the water inlet compartment to the water outlet compartment, and the water filtering compartment and the water inlet compartment are separated by the last baffle plate, and the top of the baffle plate is obliquely arranged towards the water outlet compartment.
3. The novel ABR baffle anaerobic reactor of claim 2, wherein: the water filtering compartment is divided into a first water filtering room, a second water filtering room, a third water filtering room and a fourth water filtering room, the filler arranged in the reaction tank in the first water filtering room is iron carbon, the filler arranged in the reaction tank in the second water filtering room and the reaction tank in the third water filtering room is ceramsite, and the filler arranged in the reaction tank in the fourth water filtering room is zeolite.
4. The novel ABR baffle anaerobic reactor of claim 1, wherein: the exhaust system comprises a plurality of branch pipelines, a main pipeline and a water seal device, the branch pipelines are respectively connected into each compartment and a water filtering room, and the main pipeline is connected with each branch pipeline in parallel and is connected to the water seal device.
5. The novel ABR baffle anaerobic reactor of claim 1, wherein: the water distribution pipe enters the water inlet compartment from the upper part of the water inlet compartment, extends to the lower part of the water inlet compartment and surrounds an annular structure at the lower part of the water inlet compartment.
6. The novel ABR baffle anaerobic reactor of claim 1, wherein: the water outlet compartment also comprises a water tank and a water outlet pipe, the water tank is arranged at the upper part of the water outlet compartment, and the water outlet pipe is connected with the water tank and is connected out of the water tank; and water in the water outlet compartment is pumped to the water tank and then overflows from the water tank through the water outlet pipe.
7. The novel ABR baffle anaerobic reactor of claim 1, wherein: the reactor body further includes a plurality of manhole flanges and manhole flange covers, the manhole flanges being disposed at the upper tops of the respective compartments and sealed by the manhole flange covers.
8. The novel ABR baffle anaerobic reactor of claim 1, wherein: the reactor main body also comprises a sampling tube and a glass liquid level meter, wherein the sampling tube and the glass liquid level meter are arranged on the outer wall of the reactor main body corresponding to each compartment, and the sampling tube is provided with a water tap; the glass level gauge displays the internal liquid level.
9. The novel ABR baffle anaerobic reactor of claim 1, wherein: the reactor main part still includes the mud pipe, the mud pipe includes main mud pipe and branch mud pipe, branch mud pipe has a plurality ofly, inserts each compartment and drainage room respectively, main mud pipe parallel connection each divides mud pipe and connects out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393924.3U CN212198693U (en) | 2020-03-24 | 2020-03-24 | Novel ABR baffle plate anaerobic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393924.3U CN212198693U (en) | 2020-03-24 | 2020-03-24 | Novel ABR baffle plate anaerobic reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212198693U true CN212198693U (en) | 2020-12-22 |
Family
ID=73825122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020393924.3U Expired - Fee Related CN212198693U (en) | 2020-03-24 | 2020-03-24 | Novel ABR baffle plate anaerobic reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212198693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104972A (en) * | 2021-04-15 | 2021-07-13 | 桂林理工大学 | Composite two-phase integrated anaerobic reaction system |
-
2020
- 2020-03-24 CN CN202020393924.3U patent/CN212198693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104972A (en) * | 2021-04-15 | 2021-07-13 | 桂林理工大学 | Composite two-phase integrated anaerobic reaction system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210367143U (en) | Double-channel three-phase separator, three-phase separation system and anaerobic reactor | |
| CN102531162A (en) | First-grid upflow ABR (Anaerobic Baffled Reactor) reactor improved device and method | |
| CN212198693U (en) | Novel ABR baffle plate anaerobic reactor | |
| CN210313698U (en) | Anaerobic reactor | |
| CN108033558A (en) | Strengthen the method for dyeing waste water hydrolysis acidification performance | |
| CN109761452A (en) | A kind of integrated sewage treating apparatus | |
| WO2010133149A1 (en) | Sewage recycling anaerobic treatment device | |
| CN211813676U (en) | Novel AAO technology integration equipment | |
| CN210215073U (en) | Sewage treatment system | |
| CN209872677U (en) | Integrated sewage treatment device | |
| CN210367144U (en) | Anaerobic reactor | |
| CN110980950A (en) | Vertical flow multistage A/O sewage treatment device and sewage treatment method thereof | |
| CN216106213U (en) | Anaerobic reaction device | |
| CN219526388U (en) | Novel high-load anaerobic reactor | |
| CN220300578U (en) | Integrated sewage treatment device | |
| CN219823869U (en) | Rural integrated sewage treatment equipment | |
| CN216005343U (en) | Novel UASB biochemical reaction test device | |
| CN217709023U (en) | Novel water distribution device of integrated equipment | |
| CN218879605U (en) | Large anaerobic tank | |
| CN214571368U (en) | Take filtration treatment's integration sewage treatment device | |
| CN220723799U (en) | Activated sludge recovery device and sewage treatment system | |
| CN218232011U (en) | Subtract filter among tertiary branch filter equipment | |
| CN220317538U (en) | Three-phase separator system | |
| CN215102734U (en) | Landfill leachate coagulating oxidation treatment system | |
| CN212269780U (en) | Immobilized biological aerated filter treatment 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 |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |