CN206965171U - Whirlwind is vortexed gas-liquid separator - Google Patents
Whirlwind is vortexed gas-liquid separator Download PDFInfo
- Publication number
- CN206965171U CN206965171U CN201720728479.XU CN201720728479U CN206965171U CN 206965171 U CN206965171 U CN 206965171U CN 201720728479 U CN201720728479 U CN 201720728479U CN 206965171 U CN206965171 U CN 206965171U
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- Prior art keywords
- gas
- coil pipe
- liquid
- spacer
- medium runner
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 124
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 125000006850 spacer group Chemical group 0.000 claims abstract description 30
- 238000007710 freezing Methods 0.000 claims abstract description 14
- 230000008014 freezing Effects 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 239000007791 liquid phase Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
It the utility model is related to a kind of whirlwind vortex gas-liquid separator, can body top is with the air inlet for importing gas-liquid mixture, bottom is with leakage fluid dram, cover has the exhaust outlet discharged to gas after separation, there is chuck, chuck is provided with the import of jacket refrigerating liquid in bottom, top exports provided with jacket refrigerating liquid outside can body；There are at least two coil pipe columns in can body, coil pipe is arranged on coil pipe column, the corresponding bottom and top for passing can body in coil pipe freezing liquid outlet of the import of coil pipe freezing liquid and top of coil pipe bottom, there is the spacer being fixed on coil pipe column in can body outside coil pipe, can body is divided into the outer medium runner for the interior medium runner that bottom communicates by spacer, air guide spiral plate is connected between spacer and can body, and by gas-liquid mixture, the downward spiral in outer medium runner is directed into interior medium runner and forms vortex, and the blast fence of at least two choked flows is provided with spacer.The utility model is rational in infrastructure, simple, can improve gas-liquid separation efficiency.
Description
Technical field
A kind of whirlwind vortex gas-liquid separator is the utility model is related to, belongs to gas and liquid separation technology field.
Background technology
During the industry productions such as chemical industry, medicine, plastics, vacuum distillation, drying, spraying plating, particularly it is evaporated in vacuo, is dense
Substantial amounts of gas-liquid mixture can be produced in contracting spraying plating building-up process, can be contained in these gas-liquid mixtures in production lower boiling
Chemical composition is to need to be excluded.One kind is excluded using activated carbon absorption or chemical neutralisation at present, due to being logical
Cross chemical reaction to obtain, therefore secondary pollution and secondary solid processing can be produced, recovery collection neutralization typically only 50% is left
Right efficiency, is not easy to reach the requirement for meeting environmental administration and clear production, and fixed-end forces cost is high.Another kind is using rotation
General mood liquid/gas separator is handled, and whirlwind gas-liquid separator is using the pre-separation piece housing on top and the de- liquid segregation section shell of bottom
Body, pre-separation piece housing top is provided with gas feed, and enters pre-separation section shell by central feed tube and Curved Pipe with Rectangular Cross-Section
Internal rotational flow, pre-separation is carried out to containing water vapor containing liquid, the liquid that pre-separation goes out escapes and enter de- liquid through upper discharging tube
Separate in piece housing, and spiral pack and secondary spiral pack are provided with centre bearing bar in de- liquid separation piece housing, to pre- point
From the gas-liquid after processing by spiral pack and the gap axial direction helical flow of secondary spiral pack, make drop under the action of the centrifugal force
Move radially, and discharged after collection by lower discharging tube；And purified gas is discharged from the gas vent of bottom.This kind separates
Although device has, gas-liquid separation stroke is short, liquid discharge is identical with gas flow, air-flow is significantly dropped the shearing force of drop
It is low, drop crushing is avoided, takes off liquid effect to improve gas.But also because discharge gas and the liquid of discharge are same phase, Wu Fajin
One step improves separating effect.
The content of the invention
The purpose of this utility model is to provide a kind of rational in infrastructure, simple, can improve the whirlwind vortex of gas-liquid separation efficiency
Gas-liquid separator.
The utility model is that the technical scheme for reaching above-mentioned purpose is：A kind of whirlwind is vortexed gas-liquid separator, including tank body,
It is characterized in that：Described tank body includes the can body and cover being connected, and can body top has to be entered what gas-liquid mixture imported
Gas port, bottom have leakage fluid dram, and cover has the exhaust outlet for discharging gas after separation, has chuck outside the can body, presss from both sides
Bottom is enclosed on to export provided with jacket refrigerating liquid provided with the import of jacket refrigerating liquid, top；Have in described can body and be used for fixed disk
At least two coil pipes of pipe and spacer are stood, and coil pipe is arranged on coil pipe column, and the coil pipe freezing liquid import of coil pipe bottom and top
The corresponding bottom and top for passing can body in coil pipe freezing liquid outlet in portion, have outside coil pipe in can body and be fixed on coil pipe and stand
Spacer on post, and it is located at the bottom of can body at the top of spacer more than the air inlet positioned at can body top, bottom, spacer divides can body
The outer medium runner of the interior medium runner communicated for bottom, it is connected between spacer and can body for gas-liquid mixture to be situated between outside
The air guide spiral plate being directed downwardly into mass flow road, gas-liquid mixture is entered in interior medium runner and form whirlpool from bottom to top
Stream, and at least two pairs are provided with spacer and rises the blast fence that gas-liquid mixture carries out choked flow.
The utility model is provided with spacer and coil pipe in can body, and can body is divided into the interior medium flow field that bottom communicates by spacer
The outer medium runner in road, and coil pipe is arranged on inside spacer, and can body top have gas-liquid mixture is imported air inlet,
Bottom has leakage fluid dram, and air guide spiral plate is connected between spacer and can body, therefore gas-liquid mixture entering from can body top
Gas port is imported in outer medium runner, and is directed downwardly into by the air guide spiral plate on outer medium runner, due to being set outside can body
There is chuck, the freezing liquid that can be circulated by flowing through chuck quickly cools down cold to realize to the gas-liquid mixture of downward helical flow
It is solidifying, while gas-liquid separation is carried out to gas-liquid mixture, liquid phase is switched to from gas phase to lower boiling chemical composition, after making separation
Liquid go out discharge from the first discharge opeing of can body bottom under deadweight, and continue unsegregated gas-liquid mixture from can body bottom
Into in interior medium runner, because gas-liquid mixture helically enters the bottom of interior medium runner out of outer medium runner, make gas
Liquid mixture can form vortex from bottom to top in interior medium runner, gas-liquid mixture is formed gas-liquid under turbulent state
Post, the liquid pearl being vortexed in gas-liquid post can mutual adhesive quickly become big liquid pearl, so as to realize Quick gas-liquid separation, while interior Jie
Coil pipe inside mass flow road is passed through the freezing liquid of circulation, switchs to liquid phase from gas phase to lower boiling chemical composition, after finally handling
Gas then from the exhaust outlet discharge or recovery at the top of cover, and liquid then from the discharge of the leakage fluid dram of can body bottom or is returned
Receive, fully can carry out gas-liquid separation in limited space.The utility model is by chuck and coil pipe to external medium flow field respectively
The gas-liquid in gas-liquid mixture and interior medium runner in road is condensed, and can keep tank body in the environment of no more than 5 DEG C, energy
More many gaseous state things are converted into liquid phase thing, improve gas-liquid separation effect.The utility model is provided with gas in interior medium runner
Baffle plate is flowed, time of the gas-liquid mixture by interior medium runner can be increased, the condensation effect for making gas-liquid mixture is same volume
Conventional method 5 times or so of residence time, therefore more same than the former conventional method volume of separative efficiency increases by more than 4 times.This reality
It is reasonable with new structure, gas-liquid separation efficiency high, recovery material can be reached, and can implements in green emissions, clean manufacturing, practical
Property it is strong, promotional value is high, can solve the problems, such as the intractable prevention and control of pollution source of current factory.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model whirlwind vortex gas-liquid separator.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3 is Fig. 1 left view structural representation.
Fig. 4 is Fig. 3 K to structural representation.
Fig. 5 is Fig. 3 left view structural representation.
Fig. 6 is Fig. 5 A-A cross section structure diagrams.
Fig. 7 is Fig. 5 B-B cross section structure diagrams.
Fig. 8 is mplifying structure schematic diagram at Fig. 6 I.
Wherein：1-tank body, 1-1-exhaust outlet, 1-2-cover, 1-3-can body, 1-4-air inlet pipe, 1-5-leakage fluid dram,
2-chuck, 2-1-jacket refrigerating liquid outlet, 2-2-jacket refrigerating liquid import, 2-3-chuck sewage draining exit, 3-leg, 4-
Coil pipe, 4-1-coil pipe freezing liquid outlet, 4-2-coil pipe freezing liquid import, 5-coil pipe column, 6-air guide spiral plate, 7-every
Set, 8-anchor ear, 9-blast fence.
Embodiment
As shown in Fig. 1~7, whirlwind of the present utility model is vortexed gas-liquid separator, including tank body 1, as shown in Fig. 1,2, tank
Body includes the can body 1-3 and cover 1-2 that are connected, is provided with ring flange at the top of the utility model can body 1-3, and cover 1-2 bottoms
Corresponding ring flange also is provided with, can be connected can body 1-3 with cover 1-2 by multiple bolts, and can body 1-3 bottom supportings are more
On individual leg 3.
As shown in Fig. 1~4, the utility model cover 1-2 has the exhaust outlet 1-1, can body 1-3 for discharging gas after separation
Gas-liquid mixture, with leakage fluid dram 1-5, is passed through can body by top with the air inlet for gas-liquid mixture to be imported, bottom
1-3 tops are imported in tank.As shown in Fig. 5,7, the air inlet on the utility model can body 1-3 is tangentially-arranged, and air inlet pipe 1-4 consolidates
It is scheduled at the tangential admission mouth on can body 1-3, makes gas-liquid mixture tangentially into can body 1-3, and in air guide spiral plate 6
Under effect, enable gas-liquid mixture in outer medium runner downward helical flow and enter in interior medium runner, and gas-liquid mixed
Thing forms vortex gas flow from bottom to top in interior medium runner, and the gas after separation is arranged by cover 1-2 exhaust outlet 1-1
Go out, and then discharged to the liquid in the exhaust apparatus pre-seted, and after separating by the leakage fluid dram 1-5 of bottom, be stored in insulation
Jar special in, realize gas-liquid separation, tapping valve be installed at the leakage fluid dram of the utility model can body 1-3 bottoms, can quantify or fixed
When discharge.
As shown in Fig. 1,3~7, there is chuck 2 outside the utility model can body 1-3, chuck 2 is sealingly disposed in can body 1-3
Outside, chuck 2 is provided with jacket refrigerating liquid import 2-2 in bottom, top is provided with jacket refrigerating liquid outlet 2-1, is passed through freezing liquid
In chuck 2, condensed to entering the gas-liquid mixture in outer medium runner, gas phase in low-boiling point material in gas-liquid mixture
Thing switchs to liquid phase thing, and gas-liquid separation is carried out to the gas-liquid mixture entered in can body 1-3.As shown in Figure 6, the utility model chuck
2 bottoms are provided with chuck sewage draining exit 2-3, and periodically chuck 2 can be cleared up, and keep condensation efficiency.
There are at least two disks for being used for fixing coil pipe 4 and spacer 7 as shown in Fig. 3~5, in the utility model can body 1-3
Tube column 5, coil pipe column 5 are fixed on can body 1-3, can use 3~4 coil pipe columns 5 and uniform along can body 1-3, coil pipe 4
On coil pipe column 5, and the coil pipe freezing liquid import 4-2 of the bottom of coil pipe 4 and the coil pipe freezing liquid at top outlet 4-1 are corresponding
Can body 1-3 bottom and top is passed, freezing liquid is passed through in coil pipe 4, the low-boiling point gas in gas-liquid mixture is carried out cold
It is solidifying, so as to realize that gas phase to liquid-phase conversion, carries out gas-liquid separation.The utility model passes through the chuck 2 outside can body 1-3 and interior
The coil pipe 4 in portion, can be such that tank body 1 is operated in the environment of no more than 5 DEG C, more many gaseous state things can be converted into liquid phase
Thing, improve gas-liquid separation effect.The section of coil pipe column 5 of the present utility model is in L, I-shaped or circular or polygon, disk
Multiple anchor ears 8 are connected with tube column 5, coil pipe 4 is arranged on the inner side of coil pipe column 5 by anchor ear 8, facilitates the installation of coil pipe 4.
There is the spacer 7 being fixed on coil pipe column 5 as shown in Fig. 6~8, in the utility model tank can body 1-3 positioned at the outside of coil pipe 4,
Spacer 7 is fixed on the outside of coil pipe column 5, and the top of spacer 7 exceedes the air inlet positioned at can body 1-3 tops, bottom is located at tank
Body 1-3 bottom, spacer 7 divides can body 1-3 the outer medium runner of the interior medium runner communicated for bottom, in limited space
It is interior, the path of gas-liquid mixture separation can be extended, and improve separative efficiency.
As shown in Fig. 6~8, it is connected between the utility model spacer 7 and can body 1-3 for gas-liquid mixture to be situated between outside
The air guide spiral plate 6 that downward spiral imports in mass flow road, gas-liquid mixture is entered in interior medium runner and formed from bottom to top
Vortex, when gas-liquid mixture from tangentially enter can body 1-3 in and air guide spiral plate 6 effect under, in the shape of a spiral from top to down
Form eddy flow and subsequently into interior medium runner bottom and form vortex gas flow, on the one hand can extend the path of gas-liquid separation, it is another
Aspect because gas-liquid mixture forms gas-liquid post under turbulent state, the liquid pearl in vortex gas flow can mutual adhesive quickly become big
Liquid pearl, so as to realize that Quick gas-liquid separates, gas-liquid separation efficiency is improved, between the utility model air guide spiral plate 6 and horizontal plane
Angle of declination α at 5~25 °, if angle of declination α is at 10~20 °, enable the tangential gas-liquid mixture into can body 1-3 outside
Helically flowed downward in medium runner, while also path and time of the increase by outer medium runner, fully gas-liquid can be mixed
Compound carries out condensation and carries out gas-liquid conversion, improves gas-liquid separation efficiency.
At least two pairs are provided with as shown in Fig. 6,7, in the utility model spacer 7 and rises the gas that gas-liquid mixture carries out choked flow
Baffle plate 9 is flowed, by blast fence 9 to increase time of the gas-liquid mixture by interior medium runner, improves condensation effect.See Fig. 6,
Shown in 7, the opening of the utility model blast fence 9 exceedes the center of spacer 7, and blast fence 9 is solderable on spacer 7, and adjacent two
Blast fence 9 is oppositely arranged, and is formed gas-liquid mixture and is streamed, and extends processing time in limited space, and this practicality is new
Top rade β between type blast fence 9 and horizontal plane is at 10~30 °, as top rade β is set on 15~25 °, blast fence 9
Have outage, to gas-liquid mixture carry out choked flow when, by the liquid after separation by the outage to can body 1-3 bottoms and by
Discharge.
Claims (7)
1. a kind of whirlwind is vortexed gas-liquid separator, including tank body (1), it is characterised in that：Described tank body (1) includes what is be connected
Can body (1-3) and cover (1-2), can body (1-3) top is with the air inlet for importing gas-liquid mixture, bottom is with leakage fluid dram
(1-5), cover (1-2) have the exhaust outlet (1-1) for discharging gas after separation, have chuck outside the can body (1-3)
(2), chuck (2) is provided with jacket refrigerating liquid import (2-2) in bottom, top is provided with jacket refrigerating liquid outlet (2-1)；Described tank
There are at least two coil pipe columns (5) for being used for fixing coil pipe (4) and spacer (7), coil pipe (4) is arranged on coil pipe in body (1-3)
On column (5), and the coil pipe freezing liquid import (4-2) of coil pipe (4) bottom and the coil pipe freezing liquid outlet (4-1) at top are corresponded to and worn
Go out the bottom and top of can body (1-3), have in can body (1-3) outside coil pipe (4) be fixed on coil pipe column (5) every
Cover (7), and be located at the bottom of can body (1-3), spacer at the top of spacer (7) more than the air inlet positioned at can body (1-3) top, bottom
(7) can body (1-3) is divided into the outer medium runner for the interior medium runner that bottom communicates, connected between spacer (7) and can body (1-3)
Have for by the gas-liquid mixture air guide spiral plate (6) that downward spiral imports in outer medium runner, entering gas-liquid mixture
In interior medium runner and vortex from bottom to top is formed, and at least two pairs of rising gas-liquid mixtures are provided with spacer (7) and are carried out
The blast fence (9) of choked flow.
2. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：Air inlet on the can body (1-3)
Mouth is tangentially-arranged, and air inlet pipe (1-4) is fixed at the tangential admission mouth on can body (1-3).
3. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：The opening of the blast fence (9)
More than spacer (7) center, adjacent two blast fence (9) is oppositely arranged, and top rade β of the blast fence (9) between horizontal plane exists
10~30 °, and blast fence (9) is provided with outage.
4. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：Described air guide spiral plate (6) with
Angle of declination α between horizontal plane is at 5~25 °.
5. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：The section of the coil pipe column (5)
In L is I-shaped or circular or polygon, multiple anchor ears (8) are connected with coil pipe column (5), coil pipe (4) passes through anchor ear (8) and pacified
Mounted in the inner side of coil pipe column (5), and spacer (7) is fixed on the outside of coil pipe column (5).
6. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：Chuck (2) bottom is provided with folder
Cover sewage draining exit (2-3).
7. whirlwind according to claim 1 is vortexed gas-liquid separator, it is characterised in that：The row of can body (1-3) bottom
Liquid mouth (1-5) place is installed by tapping valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728479.XU CN206965171U (en) | 2017-06-21 | 2017-06-21 | Whirlwind is vortexed gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728479.XU CN206965171U (en) | 2017-06-21 | 2017-06-21 | Whirlwind is vortexed gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206965171U true CN206965171U (en) | 2018-02-06 |
Family
ID=61409293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728479.XU Expired - Fee Related CN206965171U (en) | 2017-06-21 | 2017-06-21 | Whirlwind is vortexed gas-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206965171U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372727A (en) * | 2018-12-24 | 2019-02-22 | 重庆渝能滤油机制造有限公司 | A kind of filtering buffer and vacuum evacuation device |
| CN109603316A (en) * | 2018-12-05 | 2019-04-12 | 东华工程科技股份有限公司 | High coagulating point medium gas-liquid separator with labyrinth type air inlet pipe attemperator |
| CN112742180A (en) * | 2020-12-14 | 2021-05-04 | 安徽国星生物化学有限公司 | Waste gas treatment device and treatment method in 3-cyanopyridine wastewater synthesis process |
| CN114797151A (en) * | 2021-01-29 | 2022-07-29 | 中核第四研究设计工程有限公司 | Gas-liquid separation device |
| CN115738328A (en) * | 2022-11-28 | 2023-03-07 | 东营市赫邦化工有限公司 | Energy-saving circulating glycerol distillation evaporator |
-
2017
- 2017-06-21 CN CN201720728479.XU patent/CN206965171U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603316A (en) * | 2018-12-05 | 2019-04-12 | 东华工程科技股份有限公司 | High coagulating point medium gas-liquid separator with labyrinth type air inlet pipe attemperator |
| CN109603316B (en) * | 2018-12-05 | 2021-01-29 | 东华工程科技股份有限公司 | High-solidifying point medium gas-liquid separator with labyrinth type air inlet pipe heat preservation device |
| CN109372727A (en) * | 2018-12-24 | 2019-02-22 | 重庆渝能滤油机制造有限公司 | A kind of filtering buffer and vacuum evacuation device |
| CN109372727B (en) * | 2018-12-24 | 2024-02-20 | 重庆渝能滤油机制造有限公司 | Filter buffer and vacuumizing device |
| CN112742180A (en) * | 2020-12-14 | 2021-05-04 | 安徽国星生物化学有限公司 | Waste gas treatment device and treatment method in 3-cyanopyridine wastewater synthesis process |
| CN114797151A (en) * | 2021-01-29 | 2022-07-29 | 中核第四研究设计工程有限公司 | Gas-liquid separation device |
| CN115738328A (en) * | 2022-11-28 | 2023-03-07 | 东营市赫邦化工有限公司 | Energy-saving circulating glycerol distillation evaporator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180206 |