CN214496004U - Ion electrolysis and gas dissolving integrated machine - Google Patents
Ion electrolysis and gas dissolving integrated machine Download PDFInfo
- Publication number
- CN214496004U CN214496004U CN202120216017.6U CN202120216017U CN214496004U CN 214496004 U CN214496004 U CN 214496004U CN 202120216017 U CN202120216017 U CN 202120216017U CN 214496004 U CN214496004 U CN 214496004U
- Authority
- CN
- China
- Prior art keywords
- chamber
- electrolysis
- slagging
- subassembly
- 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
Links
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 abstract description 7
- 239000003818 cinder Substances 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 35
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 150000002500 ions Chemical class 0.000 description 14
- 239000003513 alkali Substances 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses an ion electrolysis dissolves gas all-in-one, including box, slagging-off subassembly and electrolysis chamber, the inside center of box is provided with the electrolysis chamber, the internally mounted of electrolysis chamber has the plate electrode, one side that first treatment chamber was kept away from to the inside of box is provided with the mixing chamber, the roof-rack is installed at the top of box, the slagging-off subassembly that extends to the electrolysis chamber inside is installed at the top of roof-rack, the stirring subassembly that extends to the mixing chamber inside is installed to top one side of roof-rack. The utility model discloses an install the slagging-off subassembly at the top of roof-rack, utilize the slagging-off motor circular telegram motion in the slagging-off subassembly to drive the arbor wheel and rotate, utilize the rotation of arbor wheel to drive rotatory area and rotate, can drive through rotatory area and remove the cinder plate and remove, the inside floated foamy slag of removal cinder plate can effectual clearance electrolysis chamber makes it not need the manual clearance of staff, has reduced labour's output, has improved the cleaning efficiency of device.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an ion electrolysis and gas dissolving integrated machine.
Background
The sewage is a general term of water discharged in production and living activities, the sewage is caused by that new substances are mixed in the water or the water is deteriorated due to the change of external conditions, the original use function of the water cannot be kept continuously, and in the water pollution caused by human production activities, the water pollution caused by the industry is the most serious, for example, industrial wastewater contains a plurality of pollutants and has complex components, the sewage is not easy to purify in the water and is difficult to treat, and the sewage needs to be subjected to electrolytic gas dissolving in order to improve the sewage treatment efficiency, and at the moment, an ion electrolysis gas dissolving all-in-one machine is needed to perform electrolytic gas dissolving treatment on the sewage.
The existing ion electrolysis and gas dissolving integrated machine has the defects that:
1. the existing ion electrolysis and gas dissolving integrated machine is inconvenient for cleaning floating scum, and needs manual cleaning by workers, so that the workload of the workers is increased, the cleaning efficiency is reduced, and the practicability of the device is reduced;
2. the existing ion electrolysis and gas dissolving integrated machine is inconvenient for rapidly fusing sewage and a reactant, so that the reactant is precipitated when the reactant is not completely fused, the fusion effect of the sewage and the reactant is influenced, the waste of the reactant is caused, the treatment efficiency of the sewage is reduced, and the existing problem is solved by the ion electrolysis and gas dissolving integrated machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ion electrolysis dissolves gas all-in-one to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: ion electrolysis dissolves gas all-in-one, including box, slagging-off subassembly and electrolysis chamber, inside one side of box is equipped with first process chamber, the division board is installed to inside one side of first process chamber, the inside center of box is provided with the electrolysis chamber, the internally mounted of electrolysis chamber has the plate electrode, one side that first process chamber was kept away from to the inside of box is provided with the mixing chamber, the roof-rack is installed at the top of box, the slagging-off subassembly that extends to the electrolysis chamber inside is installed at the top of roof-rack, install rotatory area in the slagging-off subassembly, the outside equidistance in rotatory area is installed and is removed the cinder plate, the internal encircleing in rotatory area is installed the arbor wheel, the tripod is installed in the outside of box, the gas pitcher is dissolved at the top of tripod, the inside stirring subassembly that extends to the mixing chamber is installed to top one side of roof-rack.
Preferably, the shaft bracket is installed at the both ends of arbor wheel, and the slagging-off motor is installed to one side of shaft bracket.
Preferably, one side of the partition plate is provided with a deslagging chamber, and one side of the deslagging chamber is provided with a filter screen.
Preferably, a partition plate is installed on one side of the inside of the electrolytic chamber, and a valve pipe is installed on one side of the partition plate.
Preferably, one end of the dissolved air tank is provided with an air delivery pump through a conduit, and the output end of the air delivery pump is provided with a conduit extending to the interior of the mixing chamber.
Preferably, install agitator motor in the stirring subassembly, agitator paddle is installed to agitator motor's output.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an install the slagging-off subassembly at the top of roof-rack, utilize the slagging-off motor circular telegram motion in the slagging-off subassembly to drive the arbor wheel and rotate, utilize the rotation of arbor wheel to drive rotatory area and rotate, can drive through rotatory area and remove the cinder plate and remove, the inside floated foamy slag of removal cinder plate can effectual clearance electrolysis chamber makes it not need the manual clearance of staff, has reduced labour's output, has improved the cleaning efficiency of device.
2. The utility model discloses an install the stirring subassembly at the top of roof-rack, can drive the stirring rake operation through agitator motor circular telegram operation, can be fast with sewage and the formula aluminium chloride flash mixed that adds alkali through the stirring rake, improved sewage and the formula aluminium chloride mixing efficiency that adds alkali, guaranteed sewage and the formula aluminium chloride that adds alkali and fuse completely, be convenient for accomplish electrochemistry redox process and electricity materialization flocculation process, avoid causing the waste of reactant, improved sewage treatment efficiency.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic front structural view of the present invention;
FIG. 3 is a schematic view of a partial structure of the deslagging assembly of the present invention;
fig. 4 is a schematic view of a local structure of the stirring assembly of the present invention.
In the figure: 1. a box body; 101. a top frame; 2. a deslagging assembly; 201. a pedestal; 202. a shaft wheel; 203. rotating the belt; 204. a slag removal plate; 205. a deslagging motor; 3. a partition plate; 301. a deslagging chamber; 302. a filter screen; 4. a first processing chamber; 5. an electrolysis chamber; 501. an electrode plate; 502. a separator plate; 503. a valve tube; 6. a mixing chamber; 7. a dissolved air tank; 701. a tripod; 702. an air delivery pump; 8. a stirring assembly; 801. a stirring motor; 802. and (4) a stirring paddle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: an ion electrolysis and gas dissolving integrated machine comprises a box body 1, a deslagging assembly 2 and an electrolytic chamber 5, wherein a first treatment chamber 4 is arranged on one side inside the box body 1, the box body 1 can provide a treatment space for sewage treatment, and is convenient for sewage treatment, the first treatment chamber 4 can be convenient for sewage purification treatment, so that the sewage reaches the emission standard, a partition plate 3 is arranged on one side inside the first treatment chamber 4, the sewage inside the electrolytic chamber 5 can flow into the first treatment chamber 4 through the bottom of the partition plate 3, the electrolytic chamber 5 is arranged at the center inside the box body 1, the electrolytic chamber 5 can provide an electrolysis space for the sewage, so that the sewage can be subjected to electrolysis treatment, a plate electrode 501 is arranged inside the electrolytic chamber 5, the plate electrode 501 can be externally connected with a power generation type gas dissolving releaser, the plate electrode 501 is supplied with electricity generated by the power generation type gas dissolving releaser, so that the plate electrode 501 is introduced with direct current to carry out ion electrolysis on the sewage, the ion electrolysis generates micro-bubbles which have strong capturing and floating capacity and good adhesion performance, can adsorb particles such as coagulated flocs generated in the electrocoagulation process and suspended matters in water and the like to rise to the water surface, thereby achieving the purpose of separation, can remove various pollutants in oily wastewater at one time, has two remarkable advantages of low scum water content and short retention time, is beneficial to drying treatment of sludge and greatly shortens the treatment period, one side of the interior of the box body 1 far away from the first treatment chamber 4 is provided with a mixing chamber 6, the mixing chamber 6 can provide a mixing space for sewage, the sewage and basic aluminum chloride can be conveniently mixed, the top of the box body 1 is provided with a top frame 101, the top frame 101 can provide installation positions for the deslagging assembly 2 and the stirring assembly 8, the deslagging assembly 2 and the stirring assembly 8 can be conveniently installed, the deslagging assembly 2 extending to the interior of the electrolysis chamber 5 is installed at the top of the top frame 101, the floating foam slag can be conveniently cleaned by utilizing the slag removing component 2, the floating foam slag does not need to be cleaned manually, the cleaning efficiency of the device is improved, the rotating belt 203 is arranged in the slag removing component 2, the slag removing plates 204 are arranged on the outer side of the rotating belt 203 at equal intervals, the slag removing plates 204 are made of rubber materials and have good slag removing effect, the shaft wheels 202 are arranged around the inner part of the rotating belt 203, can be convenient for the rotatory area 203 of movable mounting through two sets of arbor wheels 202, be convenient for drive rotatory area 203 and rotate, tripod 701 is installed in the outside of box 1, tripod 701 can provide the mounted position for dissolving gas pitcher 7, be convenient for install, the top of tripod 701 is installed and is dissolved gas pitcher 7, it can store and dissolve gas to dissolve gas pitcher 7, the gas-liquid mixture of being convenient for, top 101 one side of top frame's top is installed and is extended to the stirring subassembly 8 of 6 inside in mixing chamber, can mix 6 inside sewage and the mixing of basic aluminum chloride of mixing chamber through stirring subassembly 8.
Further, pedestal 201 is installed at the both ends of arbor wheel 202, can fix arbor wheel 202 at the top of roof-rack 101 through two sets of pedestals 201, be convenient for arbor wheel 202 to carry out movable mounting, and the slagging-off motor 205 is installed to one side of pedestal 201, can drive arbor wheel 202 through slagging-off motor 205 circular telegram motion and rotate, the rotation that utilizes arbor wheel 202 can drive rotatory area 203 and rotate, can drive slagging-off board 204 through rotatory area 203 and remove, the inside floated foamy slag of removal electroplax 204 that can effectual clearance electrolysis chamber 5 of removal, make it not need manual clearance, labour's output has been reduced, the cleaning efficiency of device has been improved.
Further, the slagging chamber 301 is installed to one side of division board 3, and slagging chamber 301 can be convenient for collect the foam sediment of clearance, and the staff of being convenient for carries out unified processing, and the water source in the filter screen 302 can effectually cross the filtration sediment through filter screen 302 is installed to one side of slagging chamber 301, makes its effectual realization solid-liquid separation, is convenient for carry out unified processing to the solid in the sewage.
Furthermore, a partition plate 502 is installed on one side of the interior of the electrolytic chamber 5, the electrolytic chamber 5 and the mixing chamber 6 can be divided into independent spaces through the partition plate 502, sewage can be conveniently treated in different areas, a valve pipe 503 is installed on one side of the partition plate 502, the valve pipe 503 is an electromagnetic valve, a water source in the mixing chamber 6 can be conveniently controlled, and water in the mixing chamber 6 can be conveyed to the interior of the electrolytic chamber 5 through the valve pipe 503 for further electrolytic treatment.
Further, an air delivery pump 702 is installed at one end of the air dissolving tank 7 through a conduit, and a conduit extending to the inside of the mixing chamber 6 is installed at the output end of the air delivery pump 702, so that the dissolved air in the air dissolving tank 7 can be delivered to the inside of the mixing chamber 6 through the air delivery pump 702, and the dissolved air is mixed with the sewage in the mixing chamber 6, thereby completing air-water mixing.
Further, install agitator motor 801 in the stirring subassembly 8, agitator motor 802 is installed to agitator motor 801's output, can drive agitator 802 through agitator motor 801 circular telegram operation and move, can be fast with sewage and the formula aluminium chloride flash mixed that adds alkali through agitator 802, improved sewage and the formula aluminium chloride mixing efficiency that adds alkali, guaranteed that sewage and the formula aluminium chloride that adds alkali fuse completely, be convenient for accomplish electrochemistry redox process and electro-chemical flocculation process.
The working principle is as follows: the sewage enters the mixing chamber 6 through a water inlet valve at one side of the mixing chamber 6, basic aluminum chloride or composite polymeric basic aluminum chloride and trace sodium chloride, ferrous sulfate and the like are added into the sewage in the mixing chamber 6, after the sewage is rapidly coagulated by the stirring component 8, when flocculation does not occur, the water in the mixing chamber 6 can be conveyed to the inside of the electrolytic chamber 5 through the valve pipe 503, the electrode plate 501 is introduced with direct current to carry out ion electrolysis on the sewage, the ion electrolysis generates micro-bubbles which have strong capturing and floating capacities and good adhesion performance, can adsorb particles such as coagulated flocs generated in the electric flocculation process, suspended matters in water and the like to rise to the water surface, thereby achieving the purpose of solid-liquid separation, scum is continuously discharged to the deslagging chamber 301 through the deslagging assembly 2, through the slag discharge port on the front surface of the slag removing chamber 301, the working personnel can clean the scum in the slag removing chamber 301 conveniently.
The details of the present invention are well known to those skilled in the art.
Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. Ion electrolysis dissolves gas all-in-one, including box (1), slagging-off subassembly (2) and electrolysis chamber (5), its characterized in that: the utility model discloses a slag removing device, including box (1), division board (3), roof rack (101), top frame (101), slagging-off subassembly (2) that extend to electrolysis chamber (5) inside are installed to the inside one side of box (1) that is equipped with first process chamber (4), the inside center of box (1) is provided with electrolysis chamber (5), the internally mounted of electrolysis chamber (5) has plate electrode (501), one side of keeping away from first process chamber (4) in the inside of box (1) is provided with mixing chamber (6), roof rack (101) is installed at the top of box (1), slagging-off subassembly (2) that extend to electrolysis chamber (5) inside are installed to the top of roof rack (101), install rotatory area (203) in slagging-off subassembly (2), slagging-off board (204) are installed to the outside equidistance of rotatory area (203), arbor wheel (202) are installed to the inside encircleing of rotatory area (203), tripod (701) is installed in the outside of box (1), the top of tripod (701) is installed and is dissolved gas jar (7), top one side of roof-rack (101) is installed and is extended to the inside stirring subassembly (8) of mixing chamber (6).
2. The ion electrolysis and gas dissolving integrated machine according to claim 1, wherein: shaft brackets (201) are installed at two ends of the shaft wheel (202), and a slag removing motor (205) is installed at one side of each shaft bracket (201).
3. The ion electrolysis and gas dissolving integrated machine according to claim 1, wherein: a deslagging chamber (301) is arranged on one side of the partition plate (3), and a filter screen (302) is arranged on one side of the deslagging chamber (301).
4. The ion electrolysis and gas dissolving integrated machine according to claim 1, wherein: a partition plate (502) is installed on one side of the interior of the electrolytic chamber (5), and a valve pipe (503) is installed on one side of the partition plate (502).
5. The ion electrolysis and gas dissolving integrated machine according to claim 1, wherein: one end of the dissolved air tank (7) is provided with an air delivery pump (702) through a conduit, and the output end of the air delivery pump (702) is provided with a conduit extending to the interior of the mixing chamber (6).
6. The ion electrolysis and gas dissolving integrated machine according to claim 1, wherein: install agitator motor (801) in stirring subassembly (8), agitator paddle (802) are installed to agitator motor's (801) output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216017.6U CN214496004U (en) | 2021-01-26 | 2021-01-26 | Ion electrolysis and gas dissolving integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216017.6U CN214496004U (en) | 2021-01-26 | 2021-01-26 | Ion electrolysis and gas dissolving integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214496004U true CN214496004U (en) | 2021-10-26 |
Family
ID=78217031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120216017.6U Expired - Fee Related CN214496004U (en) | 2021-01-26 | 2021-01-26 | Ion electrolysis and gas dissolving integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214496004U (en) |
-
2021
- 2021-01-26 CN CN202120216017.6U patent/CN214496004U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211283995U (en) | Purification sedimentation tank for environmental protection engineering sewage treatment | |
| CN115745258A (en) | Full-automatic electro-catalytic equipment with self-cleaning function | |
| CN213569989U (en) | Sewage treatment equipment for steel plant | |
| CN214496004U (en) | Ion electrolysis and gas dissolving integrated machine | |
| CN111943411A (en) | Advanced oxidation treatment device for composite sewage | |
| CN208869368U (en) | A kind of high-efficiency environment friendly sewage treatment sedimentation basin | |
| CN218435405U (en) | Industrial wastewater evaporation and concentration equipment | |
| CN216236212U (en) | High-efficient flocculation device is used in water purification treatment | |
| CN211871671U (en) | Electrochemical water treatment device | |
| CN213865741U (en) | Dephosphorization formula sewage treatment integration equipment | |
| CN214611686U (en) | Electric flocculation tank for heterogeneous electrocatalytic oxidation equipment | |
| CN211770403U (en) | Air supporting dross removal mechanism for industrial sewage treatment | |
| CN208883589U (en) | Efficient protein separator | |
| CN212982637U (en) | Coking wastewater advanced water treatment equipment | |
| CN219646862U (en) | Wastewater treatment purification device | |
| CN213141621U (en) | New forms of energy waste water treatment utilizes device | |
| CN219194616U (en) | Waste water treatment device | |
| CN211497229U (en) | Air floatation tank for integrated water treatment equipment and integrated water treatment equipment | |
| CN215517008U (en) | Electro-catalytic oxidation equipment for wastewater treatment | |
| CN216946577U (en) | Enrichment adsorption device for sewage treatment | |
| CN210584248U (en) | A remove sulphuric acid filter tank for chlorine is handled | |
| CN211170237U (en) | Chemical sewage treatment device | |
| CN210505878U (en) | Coal chemical wastewater treatment device | |
| CN215048836U (en) | Novel rotary air-flotation slag scraping machine | |
| CN214032083U (en) | Energy-saving harmless sewage treatment device |
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: 20211026 |