CN209254371U - A kind of furniture processing waste gas dedusting cleaning equipment - Google Patents

A kind of furniture processing waste gas dedusting cleaning equipment Download PDF

Info

Publication number
CN209254371U
CN209254371U CN201821685027.9U CN201821685027U CN209254371U CN 209254371 U CN209254371 U CN 209254371U CN 201821685027 U CN201821685027 U CN 201821685027U CN 209254371 U CN209254371 U CN 209254371U
Authority
CN
China
Prior art keywords
dust
purification
fixedly connected
discharge bucket
dust discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821685027.9U
Other languages
Chinese (zh)
Inventor
杨朔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanchang Ruolan Intelligent Furniture Co Ltd
Original Assignee
Nanchang Ruolan Intelligent Furniture Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanchang Ruolan Intelligent Furniture Co Ltd filed Critical Nanchang Ruolan Intelligent Furniture Co Ltd
Priority to CN201821685027.9U priority Critical patent/CN209254371U/en
Application granted granted Critical
Publication of CN209254371U publication Critical patent/CN209254371U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treating Waste Gases (AREA)

Abstract

The utility model discloses a kind of furniture processing waste gas dedusting cleaning equipments, it is related to furniture processing technology field, it include: gas gathering mask, the top of the gas gathering mask is fixedly connected with gas collecting jar with ground-on cover plate, the top of the gas collecting jar with ground-on cover plate is fixedly connected with gas collecting tube, dust flue, one end of the dust flue is fixedly connected with gas collecting tube far from one end of gas collecting jar with ground-on cover plate, the inner tip of the dust flue is fixedly installed with the first blower, connecting tube, the top of the connecting tube is fixedly connected with dust flue far from one end of gas collecting tube, dust discharge bucket, and the dust discharge bucket position is in the lower section of connecting tube.Furniture processing waste gas dedusting cleaning equipment, pass through being equipped with for dust flue, connecting tube and dust discharge bucket, not only increase the utilization rate of shower water, also enhance dust discharge effect, pass through setting purification set, purification set and its internal active carbon can be replaced at any time, it is made to keep the effect of good absorption exhaust gas, good purification.

Description

A kind of furniture processing waste gas dedusting cleaning equipment
Technical field
The utility model relates to furniture processing technology field, specially a kind of furniture processing waste gas dedusting cleaning equipment.
Background technique
In the process of furniture, a large amount of dust can be all generated in the technological operations such as cut, cut, dig, grind and paint And organic pollutant, the dust particles that different processing generates dust and organic pollutant of different sizes, tiny, into people's After respiratory tract and lung, harm to the human body is very big, and some organic pollutants can directly endanger the health of worker, direct emission Also result in the pollution of environment.
A kind of furniture disclosed in 206730772 U of Chinese utility model patent ublic specification of application CN is processed Waste gas dedusting cleaning equipment in journey, the waste gas dedusting cleaning equipment in the furniture process, although after can be to spray Water carries out recycling storage, and decontamination cycle uses, and relative energy-saving environmental protection, still, the waste gas dedusting in the furniture process is net Change equipment, is to be settled by the way that vertical spray head is arranged in spray column to dust, still has part dust from spray column Top evolution, clean-up effect is bad.
Currently, the existing waste gas dedusting cleaning equipment for furniture processing, inconvenient for use, it is unfavorable for promoting the use of.
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 furniture processing waste gas dedusting cleaning equipment, solution Determined it is existing for furniture processing waste gas dedusting cleaning equipment, spray water use efficiency it is low, the problem of clean-up effect difference.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: exhaust gas is used in a kind of processing of furniture Dust separation device, comprising:
Gas gathering mask, the top of the gas gathering mask are fixedly connected with gas collecting jar with ground-on cover plate, and the top of the gas collecting jar with ground-on cover plate is fixedly connected with collection Tracheae;
One end of dust flue, the dust flue is fixedly connected with gas collecting tube far from one end of gas collecting jar with ground-on cover plate, the dust flue Inner tip is fixedly installed with the first blower;
The top of connecting tube, the connecting tube is fixedly connected with dust flue far from one end of gas collecting tube;
Dust discharge bucket, the dust discharge bucket position is in the lower section of connecting tube, and the bottom end of the connecting tube is in the top of dust discharge bucket Portion and the inside for being plugged in dust discharge bucket, the bottom end of the dust discharge bucket are fixedly connected with residue outlet, the top side of the dust discharge bucket It is fixedly connected with exhaust pipe, the top other side of the dust discharge bucket is fixedly connected with inlet tube;
Connector sleeve, the connector sleeve are socketed in the top of exhaust pipe;
Purification pipe, one end of the purification pipe are plugged in the inside of connector sleeve, and one end of the purification pipe passes through connector sleeve It is flexibly connected with exhaust pipe;
Escape pipe, the escape pipe are located at the bottom of the purification pipe other end, and the inside of the escape pipe is fixedly installed with the Two blowers;
Purification set, the middle inside of the purification set are fixedly connected with purification block, and the bottom end of the purification pipe is through purification The top of set and the top for being located at purification block, the top of the escape pipe run through the bottom end of purification set and are located at the bottom of purification block Portion;
One end of drainpipe, the drainpipe is fixedly connected with dust discharge bucket close to one end of inlet tube, the drainpipe The other end is fixedly connected with the side top of dust flue, and the surface of the drainpipe is fixedly installed with suction pump.
Optionally, the inside of the dust flue is fixedly installed with spray head;
The side of the dust flue is fixedly connected with water channel, and the drainpipe is connected with water channel.
Optionally, the spray head is provided with multiple, and multiple spray heads are spacedly distributed in dust flue far from gas collection The side of pipe, multiple spray heads are connected with water channel.
Optionally, first blower is towards the outlet end of gas collecting tube;
The outlet end of the second blower direction purification pipe.
Optionally, the top middle portion of the dust discharge bucket offers through-hole;
The connecting tube is corresponding with through-hole.
Optionally, the residue outlet is in infundibulate;
The surface of the residue outlet is fixedly installed with valve.
Optionally, the inside of the dust discharge bucket is fixedly installed with filter screen, and the filter screen is in tubbiness, the filter screen Side inner wall of the open end with dust discharge bucket close to inlet tube is fixedly connected.
Optionally, the dust discharge bucket is connected with drainpipe;
The filter screen is coated on the outside of drainpipe water inlet end.
Optionally, the purification block is activated carbon adsorption block;
The top of the inlet tube is plugged with closing cover.
Optionally, the gas gathering mask is connected with gas collecting jar with ground-on cover plate;
The gas gathering mask is in inverted funnel shape.
(3) beneficial effect
The utility model provides a kind of furniture processing waste gas dedusting cleaning equipment, have it is following the utility model has the advantages that
(1), furniture processing waste gas dedusting cleaning equipment, by being equipped with for dust flue, connecting tube and dust discharge bucket, Spray head in dust flue can make dust be flowed into the inside of dust discharge bucket along the side inner wall of dust flue, enable shower water The dust of the overwhelming majority is settled, the utilization rate of shower water is not only increased, also enhances dust discharge effect.
(2), furniture processing waste gas dedusting cleaning equipment, by setting purification set, the purification block in purification set can Interior remaining exhaust gas is managed to purification and further carries out absorption removing, and purifies set and is easily changed, purification can be replaced at any time Set and its internal active carbon, make it keep the effect of good absorption exhaust gas, good purification.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model cross-sectional view of the structure;
Fig. 3 is the sectional view that the utility model purifies nested structure.
In figure: gas gathering mask 1, gas collecting jar with ground-on cover plate 2, gas collecting tube 3, dust flue 4, the first blower 41, spray head 42, water channel 43, connection Pipe 5, residue outlet 61, valve 611, exhaust pipe 62, inlet tube 63, filter screen 64, closing cover 65, sealing ring 66, connects dust discharge bucket 6 Female connector 7, purification pipe 8, escape pipe 9, the second blower 91, purification set 10, purification block 101, drainpipe 11, suction pump 111.
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.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation " Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection;It can be machine Tool connection;It can be directly connected, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features;The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of purification of furniture processing waste gas dedusting is set It is standby, comprising:
Gas gathering mask 1, the top of gas gathering mask 1 are fixedly connected with gas collecting jar with ground-on cover plate 2, and the top of gas collecting jar with ground-on cover plate 2 is fixedly connected with gas collecting tube 3;
One end of dust flue 4, dust flue 4 is fixedly connected with gas collecting tube 3 far from one end of gas collecting jar with ground-on cover plate 2, the inside of dust flue 4 Top is fixedly installed with the first blower 41, and the spray head 42 in dust flue 4 can make dust along the side inner wall stream of dust flue 4 Enter to enable to the inside of dust discharge bucket 6 shower water to settle to the dust of the overwhelming majority, not only increases the utilization of shower water Rate also enhances dust discharge effect;
The top of connecting tube 5, connecting tube 5 is fixedly connected with dust flue 4 far from one end of gas collecting tube 3;
Dust discharge bucket 6, dust discharge bucket 6 are located at the lower section of connecting tube 5, and the top middle portion of dust discharge bucket 6 is run through simultaneously in the bottom end of connecting tube 5 It is plugged in the inside of dust discharge bucket 6, the bottom end of dust discharge bucket 6 is fixedly connected with residue outlet 61, and the top side of dust discharge bucket 6 is fixedly connected There is exhaust pipe 62, the top other side of dust discharge bucket 6 is fixedly connected with inlet tube 63, and the top middle portion of dust discharge bucket 6 is fixedly connected with Sealing ring 66, the position that sealing ring 66 is set to connecting tube 5 and dust discharge bucket 6 is in contact can be prevented by the way that sealing ring 66 is arranged It after gas inside connecting tube 5 enters dust discharge bucket 6, is escaped from the junction of connecting tube 5 and dust discharge bucket 6, makes not removed Exhaust gas can be discharged completely from exhaust pipe 62 and carry out secondary filter, good purification;
Connector sleeve 7, connector sleeve 7 are socketed in the top of exhaust pipe 62;
Pipe 8 is purified, one end of purification pipe 8 is plugged in the inside of connector sleeve 7, and one end of purification pipe 8 passes through connector sleeve 7 and row Tracheae 62 is flexibly connected;
Escape pipe 9, escape pipe 9 are located at the bottom of purification 8 other end of pipe, and the inside of escape pipe 9 is fixedly installed with the second wind Machine 91;
Purification set 10, the middle inside of purification set 10 are fixedly connected with purification block 101, and the bottom end of purification pipe 8 is through purification The top at the top of set 10 and the top for being located at purification block 101, escape pipe 9 through the bottom end for purifying set 10 and is located at purification block 101 bottom, by setting purification set 10, the purification block 101 in purification set 10 can be to remaining exhaust gas in purification pipe 8 into one Carry out absorption removing to step;
One end of drainpipe 11, drainpipe 11 is fixedly connected with dust discharge bucket 6 close to one end of inlet tube 63, drainpipe 11 The other end is fixedly connected with the side top of dust flue 4, and the surface of drainpipe 11 is fixedly installed with suction pump 111, can make to arrange Water circulation use in dust barrel 6.
A kind of optimal technical scheme as the utility model: the inside of dust flue 4 is fixedly installed with spray head 42;
The side of dust flue 4 is fixedly connected with water channel 43, and drainpipe 11 is connected with water channel 43.
A kind of optimal technical scheme as the utility model: spray head 42 be provided with it is multiple, between multiple spray heads 42 are equal Every being distributed in side of the dust flue 4 far from gas collecting tube 3, multiple spray heads 42 are connected with water channel 43, and water channel 43 is to spray head 42 supply water.
A kind of optimal technical scheme as the utility model: the first blower 41 is towards the outlet end of gas collecting tube 3;
Second blower 91 towards purification pipe 8 outlet end.
A kind of optimal technical scheme as the utility model: the top middle portion of dust discharge bucket 6 offers through-hole;
Connecting tube 5 is corresponding with through-hole.
A kind of optimal technical scheme as the utility model: residue outlet 61 is in infundibulate;
The surface of residue outlet 61 is fixedly installed with valve 611, and valve 611 controls the folding of residue outlet 61.
A kind of optimal technical scheme as the utility model: the inside of dust discharge bucket 6 is fixedly installed with filter screen 64, filtering Net 64 is in tubbiness, and side inner wall of the open end of filter screen 64 with dust discharge bucket 6 close to inlet tube 63 is fixedly connected.
A kind of optimal technical scheme as the utility model: dust discharge bucket 6 is connected with drainpipe 11;
Filter screen 64 is coated on the outside of 11 water inlet end of drainpipe, filter screen 64 can prevent the waste residue in dust discharge bucket 6 into Enter to the inside of drainpipe 11.
A kind of optimal technical scheme as the utility model: purification block 101 is activated carbon adsorption block, can be further Exhaust gas is adsorbed and is removed;
The top of inlet tube 63 is plugged with closing cover 65, prevents exhaust gas from escaping from inlet tube 63.
A kind of optimal technical scheme as the utility model: gas gathering mask 1 is connected with gas collecting jar with ground-on cover plate 2;
Gas gathering mask 1 is in inverted funnel shape.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.
In conclusion furniture processing waste gas dedusting cleaning equipment, in use, gas gathering mask 1 is covered on furniture processing work Make the top of platform, the exhaust gas and dust in process can sequentially enter gas gathering mask 1, gas collection under the action of the first blower 41 The inside of cylinder 2, gas collecting tube 3 and dust flue 4, starts suction pump 111, and the water in dust discharge bucket 6 enters water channel 43 from drainpipe 11 It is interior, and it is sprayed onto through spray head 42 inside of dust flue 4, most dust can be settled in the effect of shower water, And the inside of dust discharge bucket 6 is flowed by connecting tube 5, the exhaust gas cleaning poured into advance from inlet tube 63 is equipped in dust discharge bucket 6 Buck, the exhaust gas that part is not removed are escaped from exhaust pipe 62, and under the action of the second blower 91, these gases are by purification Block 101 is purified in set 10, the absorption of block 101 is cleaned and removes, and other harmless gases, finally can be with from the discharge of escape pipe 9 Valve 611 is opened, dust waste residue is discharged from residue outlet 61.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " " following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (10)

1. a kind of furniture processing waste gas dedusting cleaning equipment characterized by comprising
The top of gas gathering mask (1), the gas gathering mask (1) is fixedly connected with gas collecting jar with ground-on cover plate (2), and the top of the gas collecting jar with ground-on cover plate (2) is fixed It is connected with gas collecting tube (3);
One end of dust flue (4), the dust flue (4) is fixedly connected with gas collecting tube (3) far from the one end of gas collecting jar with ground-on cover plate (2), described The inner tip of dust flue (4) is fixedly installed with the first blower (41);
The top of connecting tube (5), the connecting tube (5) is fixedly connected with dust flue (4) far from the one end of gas collecting tube (3);
Dust discharge bucket (6), the dust discharge bucket (6) are located at the lower section of connecting tube (5), and dust discharge bucket is run through in the bottom end of the connecting tube (5) (6) top middle portion and the inside for being plugged in dust discharge bucket (6), the bottom end of the dust discharge bucket (6) are fixedly connected with residue outlet (61), The top side of the dust discharge bucket (6) is fixedly connected with exhaust pipe (62), and the top other side of the dust discharge bucket (6) is fixedly connected There are inlet tube (63);
Connector sleeve (7), the connector sleeve (7) are socketed in the top of exhaust pipe (62);
Purification pipe (8), one end of the purification pipe (8) are plugged in the inside of connector sleeve (7), and one end of the purification pipe (8) is logical It crosses connector sleeve (7) and exhaust pipe (62) is flexibly connected;
Escape pipe (9), the escape pipe (9) are located at the bottom of purification pipe (8) other end, and the inside of the escape pipe (9) is fixed Second blower (91) are installed;
Purification set (10), the middle inside of the purification set (10) are fixedly connected with purification block (101), the purification pipe (8) Bottom end covers the top of (10) through purification and is located at the top of purification block (101), and the top of the escape pipe (9) is covered through purification (10) bottom end and the bottom for being located at purification block (101);
One end of drainpipe (11), the drainpipe (11) is fixedly connected with dust discharge bucket (6) close to the one end of inlet tube (63), institute The other end for stating drainpipe (11) is fixedly connected with the side top of dust flue (4), the fixed peace in the surface of the drainpipe (11) Equipped with suction pump (111).
2. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
The inside of the dust flue (4) is fixedly installed with spray head (42);
The side of the dust flue (4) is fixedly connected with water channel (43), and the drainpipe (11) is connected with water channel (43).
3. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 2, it is characterised in that: the spray head (42) be provided with it is multiple, multiple spray heads (42) be spacedly distributed dust flue (4) far from gas collecting tube (3) side, it is more A spray head (42) is connected with water channel (43).
4. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
Outlet end of first blower (41) towards gas collecting tube (3);
Second blower (91) manages the outlet end of (8) towards purification.
5. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
The top middle portion of the dust discharge bucket (6) offers through-hole;
The connecting tube (5) is corresponding with through-hole.
6. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
The residue outlet (61) is in infundibulate;
The surface of the residue outlet (61) is fixedly installed with valve (611).
7. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that: the dust discharge bucket (6) inside is fixedly installed with filter screen (64), and the filter screen (64) is in tubbiness, the open end of the filter screen (64) and row Side inner wall of the dust barrel (6) close to inlet tube (63) is fixedly connected.
8. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 7, it is characterised in that:
The dust discharge bucket (6) is connected with drainpipe (11);
The filter screen (64) is coated on the outside of drainpipe (11) water inlet end.
9. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
The purification block (101) is activated carbon adsorption block;
The top of the inlet tube (63) is plugged with closing cover (65).
10. a kind of furniture processing waste gas dedusting cleaning equipment according to claim 1, it is characterised in that:
The gas gathering mask (1) is connected with gas collecting jar with ground-on cover plate (2);
The gas gathering mask (1) is in inverted funnel shape.
CN201821685027.9U 2018-10-17 2018-10-17 A kind of furniture processing waste gas dedusting cleaning equipment Expired - Fee Related CN209254371U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821685027.9U CN209254371U (en) 2018-10-17 2018-10-17 A kind of furniture processing waste gas dedusting cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821685027.9U CN209254371U (en) 2018-10-17 2018-10-17 A kind of furniture processing waste gas dedusting cleaning equipment

Publications (1)

Publication Number Publication Date
CN209254371U true CN209254371U (en) 2019-08-16

Family

ID=67557964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821685027.9U Expired - Fee Related CN209254371U (en) 2018-10-17 2018-10-17 A kind of furniture processing waste gas dedusting cleaning equipment

Country Status (1)

Country Link
CN (1) CN209254371U (en)

Similar Documents

Publication Publication Date Title
CN108371865A (en) A kind of environment-friendly type industrial waste-gas purifier
CN110354609A (en) A kind of equipment for treating industrial waste gas
CN205461614U (en) Waste gas dust collecting equipment
CN205461615U (en) High -efficient dust collecting equipment
CN208642163U (en) Debinding furnace emission-control equipment
CN207654875U (en) Dust-extraction unit and cleaner
CN209254371U (en) A kind of furniture processing waste gas dedusting cleaning equipment
CN209138247U (en) A kind of exhaust gas treating tower
CN208493678U (en) A kind of efficient debinding furnace exhaust gas treating tower
CN210674656U (en) Dust removing device for blasting site
CN205796826U (en) A kind of vortex cleaning device of exhaust-gas efficient
CN206444445U (en) A kind of organic exhaust gas high-efficient purification treatment device
CN205182449U (en) Novel mist spray dust removal ware
CN204933159U (en) Air deduster
CN208809687U (en) One kind being used for Chemical Manufacture adsorption tower
CN209246287U (en) Natural electro-catalysis liquid spray clean air manufacturing device
CN209138351U (en) A kind of industrial waste-gas purifier
CN209204993U (en) A kind of lacquer spraying waste gas processing unit
CN208320336U (en) A kind of washing type cooperates with the purification device of processing weldering cigarette with charge type
CN208574407U (en) A kind of environment-friendly type industrial waste-gas purifier
CN2447045Y (en) Cooking fume purifying recovery plant
CN214914561U (en) Automatic waste gas purifying device for organic silicon reaction kettle
CN2740271Y (en) Cyclone dust-collecting and desulphurizing plant
CN213885517U (en) A exhaust gas purification device for atmospheric pollution administers
CN218721607U (en) Environment-friendly energy-saving emission-reducing smoke abatement 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

Granted publication date: 20190816

Termination date: 20201017

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