CN209060895U - Organic waste gas treatment device - Google Patents
Organic waste gas treatment device Download PDFInfo
- Publication number
- CN209060895U CN209060895U CN201821774154.6U CN201821774154U CN209060895U CN 209060895 U CN209060895 U CN 209060895U CN 201821774154 U CN201821774154 U CN 201821774154U CN 209060895 U CN209060895 U CN 209060895U
- Authority
- CN
- China
- Prior art keywords
- frame
- fixedly installed
- box
- mounting table
- waste gas
- 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
- 238000011282 treatment Methods 0.000 title claims abstract description 64
- 239000007789 gas Substances 0.000 title claims abstract description 33
- 239000010815 organic waste Substances 0.000 title claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 230000000813 microbial effect Effects 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 239000005416 organic matter Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 19
- 239000012855 volatile organic compound Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- IHICGCFKGWYHSF-UHFFFAOYSA-N C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C Chemical compound C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C IHICGCFKGWYHSF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an industrial technology field, and an organic waste gas treatment device is disclosed, including placing the platform, the last fixed surface who places the platform installs and handles the case, and the equal fixed mounting in both sides of handling the case has two symmetrical blow vents, and the left side fixed mounting who handles incasement portion has the absorption frame, the groove of absorption frame and the left inside wall fixed mounting who handles the case have fixed frame, and the groove movable mounting of fixed frame has the adsorption plate, the right side fixed mounting of absorption frame has the filter, the upper end and the lower extreme of filter and the inner wall fixed mounting who handles the case, the middle part fixed mounting who handles incasement chamber has the filter frame. Through the cooperation use of header tank, shower nozzle and culture dish, can pass through shower nozzle spun water with the organic matter that has not purified, together fall into the culture dish, the microbial degradation in the accessible culture dish finally becomes the nourishment and the inorganic matter etc. of microorganism, has reached higher purifying effect, has protected people's health.
Description
Technical field
The utility model relates to industrial technical field, specially a kind of organic waste gas treatment device.
Background technique
VOCs treatment refers to the place that the organic exhaust gas generated in industrial processes is adsorbed, filtered, purified
Science and engineering is made, and usual VOCs treatment has the benzene homologues VOCs treatments, third such as formaldehyde VOCs treatment, benzene toluene dimethylbenzene
Ketone butanone VOCs treatment, ethyl acetate exhaust-gas treatment, mist of oil VOCs treatment, Tianna solution VOCs treatment etc. are carbon containing
The air cleaning of the organic matters such as hydrogen-oxygen is handled.
But during existing VOCs treatment, some materials such as some adsorption filtrations are in VOCs treatment mistake
Afterwards, it has not been convenient to it replaces, uses repeatedly, be easy filtering not exclusively, organic exhaust gas discharge is not up to standard to be easy to cause atmosphere pollution,
There is very big threat to people's health, is unfavorable for the normal life of people.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of organic waste gas treatment device, and having can conveniently more
The advantages that changing the material of adsorption filtration, during solving existing VOCs treatment, some materials such as some adsorption filtrations
Again after VOCs treatment, it has not been convenient to replace, use repeatedly, be easy filtering not exclusively, organic exhaust gas discharge is not up to standard
The problem of be easy to causeing atmosphere pollution, having very big threat to people's health, be unfavorable for the normal life of people.
(2) technical solution
For the purpose of the material of the above-mentioned conveniently replaced adsorption filtration of realization, the utility model is provided the following technical solutions:
A kind of organic waste gas treatment device, including mounting table, the upper surface of the mounting table are fixedly installed with treatment box, and the two for the treatment of box
Side is fixedly mounted there are two symmetrical blow vent, and the left side inside the treatment box is fixedly installed with absorption frame, the suction
The groove of auxiliary frame and the left inner side wall for the treatment of box are fixedly installed with fixed frame, and the groove of fixed frame is movably installed with absorption
Plate is fixedly installed with filter plate on the right side of the absorption frame, and the top and bottom of filter plate and the inner wall for the treatment of box are fixedly mounted,
It is fixedly installed with filter frame in the middle part of the processing box cavity, the top inside filter frame is fixedly installed with screen plate, the sieve
The lower surface of plate is selected to be fixedly mounted there are two symmetrical partition, the upper surface of the treatment box and solid positioned at the top of filter frame
Dingan County is equipped with feeding inlet, and the upper wall of the treatment box inner right side is fixedly installed with header tank, the fixed peace in the lower surface of header tank
Equipped with spray head, the downside of the treatment box inner right side is fixedly mounted there are two symmetrical strut, and the top of strut is fixed to pacify
Equipped with culture dish, baffle is movably installed on the left of the mounting table, the lower surface of baffle highlight is fixedly installed with connection strap,
The lower surface of connection strap is fixedly installed with hydraulic stem, and strut, the top of strut and mounting table are fixedly installed on the right side of hydraulic stem
Top be fixedly mounted, the lower surface of the mounting table is fixedly installed with collecting box.
Preferably, the screen holes there are three types of different-diameter are opened up on the screen plate, two symmetrical partitions exist
It is spaced substantially equidistant in filter frame.
Preferably, the inside of the mounting table is fixedly installed with two discharge pipes, the discharge pipe and absorption frame in left side
It is connected, the discharge pipe on right side is connected with filter frame.
Preferably, the adsorption plate is no less than three in the groove setting of absorption frame, and adsorption plate is isodistantly spaced arrangement.
Preferably, the inside of the mounting table offers loose slot compatible with baffle, and the width of baffle, which is greater than, to be placed
The diameter for the discharge pipe being fixedly mounted on platform.
Preferably, the screen plate is slant setting, the size and the length inside filter frame of screen plate in filter frame
It is equal with width.
Preferably, what is filled in the absorption frame and adsorption plate is active carbon, the upper surface of the treatment box and is located at
Feed inlet is offered right above absorption frame.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of organic waste gas treatment device, have it is following the utility model has the advantages that
1, the organic waste gas treatment device is used cooperatively by absorption frame and adsorption plate, can be organic by what is be just passed through
Waste gas purification, then the filler by all filling descending density inside filter frame from left to right, can carry out again general
Organic exhaust gas filtering, achievees the effect that double filtration, baffle can be driven to pull out by connection strap by hydraulic stem, ensure that
Pulling out baffle easily and effectively, later can be with putting by the substance of the filtering in the active carbon and filter frame in absorption frame
The discharge pipe set in platform is fallen into collecting box, finally cleaning can structure it is simple, reasonable idea facilitates chemical company
The discharge of organic exhaust gas protects air not to be contaminated.
2, the organic waste gas treatment device can will be non-purified complete by being used cooperatively for header tank, spray head and culture dish
The water that is sprayed by spray head of organic matter, fallen into down in culture dish together, can be final to become by the microbial degradation in culture dish
For the nutriment of microorganism and inorganic matter etc., higher clean-up effect is reached, has protected people's health.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model Structure Selection plate schematic diagram.
1 mounting table, 2 treatment boxes, 3 blow vents, 4 absorption frames, 5 fixed frames, 6 adsorption plates, 7 filter plates, 8 filter frames, 9 in figure
It is screen plate, 10 partitions, 11 feeding inlets, 12 header tanks, 13 spray heads, 14 struts, 15 culture dishes, 16 baffles, 17 connection straps, 18 hydraulic
Bar, 19 collecting boxs, 20 brackets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The upper surface of a kind of organic waste gas treatment device referring to FIG. 1-2, including mounting table 1, mounting table 1 is fixedly mounted
There is a treatment box 2, the two sides for the treatment of box 2 are fixedly mounted there are two symmetrical blow vent 3, and the left side inside treatment box 2 is fixed
Absorption frame 4 is installed, the upper surface for the treatment of box 2 and the surface for being located at absorption frame 4 offer feed inlet, and feed inlet is mainly to be
Facilitate and active carbon is added, what is filled in absorption frame 4 and adsorption plate 6 is active carbon, and the inside of mounting table 1 is fixedly installed with
The discharge pipe of two discharge pipes, left side is connected with absorption frame 4, and the discharge pipe on right side is connected with filter frame 8, absorption
The groove of frame 4 and the left inner side wall for the treatment of box 2 are fixedly installed with fixed frame 5, and the groove of fixed frame 5 is movably installed with absorption
Plate 6, adsorption plate 6 is no less than three in the groove setting of absorption frame 4, and adsorption plate 6 is isodistantly spaced arrangement, adsorbs the right side of frame 4
Side is fixedly installed with filter plate 7, and the top and bottom of filter plate 7 and the inner wall for the treatment of box 2 are fixedly mounted, 2 inner cavity for the treatment of box
Middle part is fixedly installed with filter frame 8, top of the filter frame 8 from a left side to the filler by filling descending density, inside filter frame 8
End is fixedly installed with screen plate 9, and screen plate 9 is slant setting in filter frame 8, inside the size and filter frame 8 of screen plate 9
Length is equal with width, and the screen holes there are three types of different-diameter are opened up on screen plate 9, and screen holes are primarily to screening is different big
Small fine sand, to filter the particulate matter in organic exhaust gas, there are two symmetrical partitions for the lower surface fixed installation of screen plate 9
10, two symmetrical partitions 10 are spaced substantially equidistant in filter frame 8, the upper surface for the treatment of box 2 and the top for being located at filter frame 8
It is fixedly installed with feeding inlet 11, the upper wall of 2 inner right side for the treatment of box is fixedly installed with header tank 12, passes through header tank 12, spray head
13 are used cooperatively with culture dish 15, non-purified complete organic matter can be passed through the water that spray head 13 spray, fall into train together
Support ware 15 in, nutriment and inorganic matter of microorganism etc. by the microbial degradation in culture dish 15, can be eventually become, reached compared with
High clean-up effect protects people's health, and the lower surface of header tank 12 is fixedly installed with spray head 13, and 2 inside for the treatment of box is right
The downside of side is fixedly mounted there are two symmetrical strut 14, and the top of strut 14 is fixedly installed with culture dish 15, mounting table 1
Left side is movably installed with baffle 16, and the inside of mounting table 1 offers loose slot compatible with baffle 16, and the width of baffle 16 is big
In the diameter for the discharge pipe being fixedly mounted on mounting table 1, the lower surface of 16 highlight of baffle is fixedly installed with connection strap 17, even
The lower surface of narrow bars 17 is fixedly installed with hydraulic stem 18, and the right side of hydraulic stem 18 is fixedly installed with bracket 20, the top of bracket 20
It being fixedly mounted with the top of mounting table 1, the lower surface of mounting table 1 is fixedly installed with collecting box 19, the organic waste gas treatment device,
Be used cooperatively by absorption frame 4 and adsorption plate 6, the organic waste-gas purification that will can just be passed through, then pass through inside filter frame 8 from
Left-to-right all fills the filler of descending density, can carry out filtering organic exhaust gas again, reach double filtration
Effect can drive baffle 16 pull out, ensure that drawing baffle 16 easily and effectively by hydraulic stem 18 by connection strap 17
It out, later can be with the discharge nozzle in mounting table 1 by the substance of the filtering in the active carbon and filter frame 8 in absorption frame 4
Road is fallen into collecting box 19, finally cleaning can structure it is simple, reasonable idea facilitates the row of the organic exhaust gas of chemical company
It puts, air is protected not to be contaminated.
When in use, first by material by the plup inlet of 2 top for the treatment of box, material is put into, organic exhaust gas is led to
Enter, then be used cooperatively by absorption frame 4 and adsorption plate 6, the organic waste-gas purification that will can just be passed through, then passes through filter frame 8
The filler of internal density all descending from left to right can carry out filtering organic exhaust gas again, reach double filtration
Effect, if using finishing, starting hydraulic stem 18 can by connection strap 17 drive baffle 16 pull out, adsorb frame 4 in
The substance of filtering in active carbon and filter frame 8 can be fallen into the discharge pipe in mounting table 1 to collecting box 19, Zhi Houqing
Reason.
In conclusion the organic waste gas treatment device, by being used cooperatively for absorption frame 4 and adsorption plate 6, will can just lead to
The organic waste-gas purification entered, then the filler by all filling descending density inside filter frame 8 from left to right, can carry out again
Primary filters organic exhaust gas, achievees the effect that double filtration, can drive baffle 16 by connection strap 17 by hydraulic stem 18
It pulls out, ensure that pulling out baffle 16 easily and effectively, later by the active carbon and filter frame 8 in absorption frame 4
The substance of filtering can fall into the discharge pipe in mounting table 1 to collecting box 19, finally cleaning can structure it is simple, structure
Think rationally, to facilitate the discharge of the organic exhaust gas of chemical company, air is protected not to be contaminated；Pass through header tank 12, spray head
13 are used cooperatively with culture dish 15, non-purified complete organic matter can be passed through the water that spray head 13 spray, fall into train together
Support ware 15 in, nutriment and inorganic matter of microorganism etc. by the microbial degradation in culture dish 15, can be eventually become, reached compared with
High clean-up effect, protects people's health, during solving existing VOCs treatment, some adsorption filtrations etc. one
A little materials are again after VOCs treatment, it has not been convenient to and it replaces, uses repeatedly, be easy filtering not exclusively, organic exhaust gas discharge
It is not up to standard to be easy to cause atmosphere pollution, the problem of having very big threat to people's health, be unfavorable for the normal life of people.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of organic waste gas treatment device, including mounting table (1), it is characterised in that: the upper surface of the mounting table (1) is fixed
It is equipped with treatment box (2), the two sides for the treatment of box (2) are fixedly mounted there are two symmetrical blow vent (3), the treatment box
(2) internal left side is fixedly installed with absorption frame (4), and the groove of absorption frame (4) and the left inner side wall for the treatment of box (2) are solid
Dingan County is equipped with fixed frame (5), and the groove of fixed frame (5) is movably installed with adsorption plate (6), and the right side of absorption frame (4) is solid
Dingan County is equipped with filter plate (7), and the top and bottom of filter plate (7) and the inner wall for the treatment of box (2) are fixedly mounted, the treatment box
(2) it is fixedly installed in the middle part of inner cavity filter frame (8), the internal top of filter frame (8) is fixedly installed with screen plate (9), described
The lower surface of screen plate (9) is fixedly mounted there are two symmetrical partition (10), the upper surface of the treatment box (2) and is located at
It is fixedly installed with above filter frame (8) feeding inlet (11), the upper wall for the treatment of box (2) inner right side is fixedly installed with header tank
(12), the lower surface of header tank (12) is fixedly installed with spray head (13), and the downside for the treatment of box (2) inner right side is fixedly mounted
There are two symmetrical strut (14), the top of strut (14) is fixedly installed with culture dish (15), the left side of the mounting table (1)
It is movably installed with baffle (16), the lower surface of baffle (16) highlight is fixedly installed with connection strap (17), under connection strap (17)
Surface is fixedly installed with hydraulic stem (18), is fixedly installed on the right side of hydraulic stem (18) bracket (20), the top of bracket (20) with
The top of mounting table (1) is fixedly mounted, and the lower surface of the mounting table (1) is fixedly installed with collecting box (19).
2. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: opened up on the screen plate (9)
There are three types of the screen holes of different-diameter, two symmetrical partitions (10) are spaced substantially equidistant in filter frame (8).
3. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: the inside of the mounting table (1)
Two discharge pipes are fixedly installed with, the discharge pipe in left side is connected with absorption frame (4), the discharge pipe and filter frame on right side
(8) it is connected.
4. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: the adsorption plate (6) is being adsorbed
The groove setting of frame (4) no less than three, and adsorption plate (6) is isodistantly spaced arrangement.
5. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: the inside of the mounting table (1)
It offers and is greater than the discharge nozzle being fixedly mounted on mounting table (1) with baffle (16) compatible loose slot, the width of baffle (16)
The diameter in road.
6. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: the screen plate (9) is being filtered
It is slant setting in frame (8), the length that the size of screen plate (9) is internal with filter frame (8) is equal with width.
7. a kind of organic waste gas treatment device according to claim 1, it is characterised in that: the absorption frame (4) and absorption
What is filled in plate (6) is active carbon, the upper surface of the treatment box (2) and being located at right above absorption frame (4) offer into
Material mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821774154.6U CN209060895U (en) | 2018-10-26 | 2018-10-26 | Organic waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821774154.6U CN209060895U (en) | 2018-10-26 | 2018-10-26 | Organic waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209060895U true CN209060895U (en) | 2019-07-05 |
Family
ID=67096930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821774154.6U Expired - Fee Related CN209060895U (en) | 2018-10-26 | 2018-10-26 | Organic waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209060895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841307A (en) * | 2020-07-23 | 2020-10-30 | 如东深水环境科技有限公司 | Waste gas treatment device and treatment process thereof |
-
2018
- 2018-10-26 CN CN201821774154.6U patent/CN209060895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841307A (en) * | 2020-07-23 | 2020-10-30 | 如东深水环境科技有限公司 | Waste gas treatment device and treatment process thereof |
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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: 20190705 |