CN206328298U - A kind of box type sewage processor - Google Patents

A kind of box type sewage processor Download PDF

Info

Publication number
CN206328298U
CN206328298U CN201621473772.8U CN201621473772U CN206328298U CN 206328298 U CN206328298 U CN 206328298U CN 201621473772 U CN201621473772 U CN 201621473772U CN 206328298 U CN206328298 U CN 206328298U
Authority
CN
China
Prior art keywords
sewage
room
flocculant
air cell
flocculation sediment
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
CN201621473772.8U
Other languages
Chinese (zh)
Inventor
张卫财
吴东申
祝玉华
张志昌
王剑
王乃波
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.)
Qingdao Installation & Construction Co Ltd
Original Assignee
Qingdao Installation & Construction 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 Qingdao Installation & Construction Co Ltd filed Critical Qingdao Installation & Construction Co Ltd
Priority to CN201621473772.8U priority Critical patent/CN206328298U/en
Application granted granted Critical
Publication of CN206328298U publication Critical patent/CN206328298U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The utility model discloses a kind of box type sewage processor, including sludge dewatering equipment, aeration head and sewage disposal casing, the sewage disposal box house is divided into flocculation sediment room by dividing plate, filter chamber, sewage sump, solarization air cell, high efficiency filter room and water purifying chamber, connection sewage water inlet pipe on the upside of the flocculation sediment room, the flocculation sediment ceiling portion connects flocculant adding tube, flocculant adding tube is in y-type structure, connection flocculant addition tank a and flocculant add tank b respectively at the top of flocculant adding tube, a kind of box type sewage processor, compact conformation, occupy little space, can be by the particulate matter in sewage, organic substance, inorganic substances, microorganism etc. all removes, sewage disposal speed is fast, treating capacity is big, reach good wastewater purifying efficiency, effectively by mud-water separation, it is easy to the transport processing to sludge, improve the treatment effect of sewage.

Description

A kind of box type sewage processor
Technical field
The utility model is related to technical field of sewage, specifically a kind of box type sewage processor.
Background technology
While raising with expanding economy and people's living standard, generate substantial amounts of trade effluent and life is dirty Water, sewage is directly discharged, it will had a strong impact on water quality, causes environmental pollution.How purified treatment is carried out to sewage, it is maximum The recycling sewage of limit, makes to recycle after its purified treatment, so as to reduce the pollution to environment, is all the time The problem of people's extensive concern.
Now widely used sewage-treatment plant is generally made up of numerous sewage disposal devices, realizes point of sewage disposal Step is carried out, it usually needs take larger space, and the efficiency and effect of sewage disposal are poor, it is difficult to meet what sewage was quickly handled Demand, simple physical filtering mode or chemical filtering mode are difficult to the abundant filtration, purification of sewage, particulate matter therein, Organic substance, inorganic substances, microorganism etc. can not all be removed, and the debris filtered can not be separated from sewage, be caused existing Quality of sewage disposal is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of box type sewage processor, to solve what is proposed in above-mentioned background technology Problem.
To achieve the above object, the utility model provides following technical scheme:
A kind of box type sewage processor, including sludge dewatering equipment, aeration head and sewage disposal casing, the waste water treatment box Internal portion is divided into flocculation sediment room, filter chamber, sewage sump, solarization air cell, high efficiency filter room and water purifying chamber, the wadding by dividing plate Connection sewage water inlet pipe on the upside of solidifying mud chamber, the flocculation sediment ceiling portion connects flocculant adding tube, and flocculant adding tube is in Y Connection flocculant addition tank a and flocculant are added in tank b, the flocculation sediment room respectively at the top of type structure, flocculant adding tube It is welded with to be provided with inside some stirring vanes, the filter chamber in the rotary shaft that portion is provided with rotary shaft, flocculation sediment room and holds It is equipped with the first screen pack, gravel layer, coarse sands layer, fine sand layer, the second filtering above prop hole plate, support orifice plate successively from bottom to top It is provided with net and activated carbon adsorption layer, the solarization air cell in the solarization air cell below suspended biological filler, the suspended biological filler Provided with some aeration heads, aeration head is arranged on aeration tube, and the dirt collection trench bottom, which is equipped with, takes out dirty pipe, takes out and offered on dirty pipe If dry tap mud hole, the input that dirty pipe connects sludge pump is taken out, the output end of sludge pump connects sludge dewatering equipment by blow-off pipe Input, sludge dewatering equipment output end is provided with mud cake delivery outlet, and sludge dewatering equipment connects sewage sump by return duct.
It is used as further program of the utility model:Flocculation sediment room bottom side connect filter chamber, flocculation sediment room and Offered on the dividing plate of filter chamber bottom and lead dirty hole, flocculation sediment room and filter chamber are connected with sewage sump respectively by leading dirty hole It is logical, connection solarization air cell on the upside of filter chamber, solarization air cell bottom side connection high efficiency filter room, high efficiency filter room upside connection water purifying chamber.
It is used as further program of the utility model:The flocculant addition tank a and flocculant addition tank b bottoms and flocculation Agent adding tube junction is mounted on regulating valve.
It is used as further program of the utility model:Described rotary shaft one end passes sewage disposal casing connection motor Output end, is provided with waterproof grommet between rotary shaft and sewage disposal casing.
It is used as further program of the utility model:Deflection plate is installed, the quantity of deflection plate is inside the solarization air cell Two and it is separately fixed on the dividing plate of the solarization air cell left and right sides.
It is used as further program of the utility model:The air outlet of aeration tube upper end connecting fan, the air intake of blower fan The sewage disposal casing that mouth connects at the top of filter, solarization air cell by pipeline is provided with steam vent.
It is used as further program of the utility model:The high efficiency filter chamber interior is provided with vacuum filter membranous layer, vacuum filter The serpentine-like bending of film layer, water purifying chamber's side connection water purification outlet pipe.
Compared with prior art, the beneficial effects of the utility model are:A kind of box type sewage processor, structure is tight Gather, occupy little space, filtering to sewage, purified treatment are realized, using filter chamber, the physical treatment of high efficiency filter room, with reference to wadding Solidifying mud chamber and solarization air cell chemical treatment, can be by the particulate matter in sewage, organic substance, inorganic substances, and microorganism etc. is complete Portion is removed, and sewage disposal speed is fast, treating capacity big, reaches good wastewater purifying efficiency, passes through sludge pump and sludge dewatering equipment Effectively by mud-water separation, it is easy to the transport processing to sludge, improves the treatment effect of sewage.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:1- mud cakes delivery outlet, 2- sludge dewatering equipments, 3- blow-off pipes, 4- sludge pumps, 5- take out dirty pipe, 6- return ducts, 7- Take out mud hole, 8- aeration heads, 9- aeration tubes, 10- filter chambers, 11- gravel layers, the screen packs of 12- first, 13- supports orifice plate, 14- collection Dirty groove, 15- sewage disposals casing, 16- lead dirty hole, 17- stirring vanes, 18- motor, 19- rotary shafts, 20- sewage water inlet pipes, 21- flocculation sediments room, 22- regulating valves, 23- flocculants addition tank a, 24- flocculant addition tank b, 25- flocculant adding tube, 26- Activated carbon adsorption layer, the screen packs of 27- second, 28- fine sand layers, 29- coarse sands layers, 30- blower fans, 31- filters, 32- suspended biologicals Filler, 33- deflection plates, 34- solarization air cell, 35- high efficiency filters room, 36- vacuum filter membranous layer, 37- water purifying chamber, 38- water purification outlet pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of box type sewage processor, including sludge dewatering equipment 2, aeration First 8 and sewage disposal casing 15, flocculation sediment room 21, filter chamber are divided into by dividing plate inside the sewage disposal casing 15 10th, sewage sump 14, solarization air cell 34, high efficiency filter room 35 and water purifying chamber 37, wherein, the bottom side of flocculation sediment room 21 connection filter chamber 10, offer on the dividing plate of flocculation sediment room 21 and the bottom of filter chamber 10 and lead dirty hole 16, flocculation sediment room 21 and filter chamber 10 Connected respectively with sewage sump 14 by leading dirty hole 16, the upside of the filter chamber 10 connection solarization air cell 34, the bottom side connection of solarization air cell 34 High efficiency filter room 35, the upside of high efficiency filter room 35 connection water purifying chamber 37.
The upside of the flocculation sediment room 21 connection sewage water inlet pipe 20, is easy to that sewage is pumped into dirt by sewage water inlet pipe 20 In water process casing 15;The top of the flocculation sediment room 21 connection flocculant adding tube 25, flocculant adding tube 25 is in Y type knots Structure, connection flocculant addition tank a23 and flocculant add tank b24, flocculant addition tank a23 to the top of flocculant adding tube 25 respectively Regulating valve 22, regulation flocculant addition tank are mounted on flocculant addition tank b24 bottoms and the junction of flocculant adding tube 25 A23 and the regulating valve 22 of flocculant addition tank b24 bottoms, are easy to add flocculant and are wadded a quilt with cotton in tank a23 and flocculant addition tank b24 Solidifying agent is added in flocculation sediment room 21 by flocculant adding tube 25, and by observing, flocculant adds tank a23 and flocculant is added Scale measuring and calculating on tank b24 adds the amount of flocculant;The middle part of flocculation sediment room 21 is provided with rotary shaft 19, the one end of rotary shaft 19 The output end that sewage disposal casing 15 connects motor 18 is passed, anti-watertight is provided between rotary shaft 19 and sewage disposal casing 15 Some stirring vanes 17, the energization work of motor 18, motor 18 are welded with rotary shaft 19 in seal, flocculation sediment room 21 Drive rotary shaft 19 and stirring vane 17 rotates thereon, stirring vane 17 is to sewage in flocculation sediment room 21 and the flocculant of addition Stirring mixing is abundant, and the material such as particle in sewage is combined production flocculate with flocculant, and partial flocculation thing passes through flocculation sediment The dirty hole 16 of leading of the bottom of room 21 is precipitated to sewage sump 14.
Support orifice plate 13 is installed, the top of support orifice plate 13 is equipped with first successively from bottom to top inside the filter chamber 10 Screen pack 12, gravel layer 11, coarse sands layer 29, fine sand layer 28, the second screen pack 27 and activated carbon adsorption layer 26, sequentially pass through support The first screen pack 12, gravel layer 11, coarse sands layer 29, fine sand layer 28, the second screen pack 27 and activated carbon adsorption layer on orifice plate 13 26 filtration, purifications, the flocculate and impurity filtered is precipitated to sewage sump 14 by the dirty hole 16 of leading of the bottom of filter chamber 10.
Deflection plate 33 is installed, the quantity of deflection plate 33 is two and is separately fixed at solarization air cell inside the solarization air cell 34 On the dividing plate of 34 left and right sides, provided with suspended biological filler 32 in solarization air cell 34, the overall S-type structure of suspended biological filler 32, Some aeration heads 8 are provided with the solarization air cell 34 of the lower section of suspended biological filler 32, aeration head 8 is arranged on aeration tube 9, aeration The air outlet of the upper end connecting fan 30 of pipe 9, the air inlet of blower fan 30 connects filter 31, the dirt at the top of solarization air cell 34 by pipeline Water process casing 15 is provided with steam vent, and after sewage flows into solarization air cell 34 from the upside of filter chamber 10, sewage is filled out along suspended biological Expect 32 downward S-type flowings, extend that sewage contacts in the interior path flowed of solarization air cell 34 and with suspended biological filler 32 when Between, start blower fan 30 and work, extraneous air blasts aeration tube 9 after being filtered through filter 31, and from some aerations on aeration tube 9 Oxygen in first 8 output, air provides oxygen for the microorganism in suspended biological filler 32, improves microorganism to organic in sewage The efficiency of thing degraded, while filler plays good physical filtering effect.
Vacuum filter membranous layer 36 is installed, the serpentine-like bending of vacuum filter membranous layer 36 is increased inside the high efficiency filter room 35 To the filter area of sewage, filter efficiency and effect are improved, after sewage flows into high efficiency filter room 35 from the downside of solarization air cell 34, warp Cross after vacuum filter membranous layer 36 is filtered and flow into water purifying chamber 37 from the upside of high efficiency filter room 35, water purifying chamber 37 connects water purification outlet pipe sideways 38, the water after purification is discharged from water purification outlet pipe 38.
The bottom of sewage sump 14, which is equipped with, takes out dirty pipe 5, and dry tap mud hole 7 is offered on dirty pipe 5 if taking out, and takes out dirty pipe 5 and connects The input of sludge pump 4, the output end of sludge pump 4 connects the input of sludge dewatering equipment 2, sludge dewatering equipment 2 by blow-off pipe 3 Output end is provided with mud cake delivery outlet 1, and sludge dewatering equipment 2 connects sewage sump 14 by return duct 6.
Operation principle of the present utility model is:A kind of box type sewage processor, compact conformation occupies little space, real Filtering now to sewage, purified treatment, using filter chamber 10, the physical treatment of high efficiency filter room 35, with reference to the He of flocculation sediment room 21 Solarization air cell 34 is chemically treated, can be by the particulate matter in sewage, organic substance, inorganic substances, and microorganism etc. all removes, dirty Water process speed is fast, treating capacity big, reaches good wastewater purifying efficiency, effectively will by sludge pump 4 and sludge dewatering equipment 2 Mud-water separation, is easy to the transport processing to sludge, improves the treatment effect of sewage.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (7)

1. a kind of box type sewage processor, including sludge dewatering equipment, aeration head and sewage disposal casing, it is characterised in that described Sewage disposal box house is divided into flocculation sediment room, filter chamber, sewage sump, solarization air cell, high efficiency filter room and net by dividing plate Connection sewage water inlet pipe on the upside of hydroecium, the flocculation sediment room, the flocculation sediment ceiling portion connects flocculant adding tube, flocculation Agent adding tube is in that connection flocculant addition tank a and flocculant add tank b, the wadding respectively at the top of y-type structure, flocculant adding tube It is welded with the rotary shaft being provided with the middle part of solidifying mud chamber in rotary shaft, flocculation sediment room in some stirring vanes, the filter chamber Portion is provided with above support orifice plate, support orifice plate and is equipped with the first screen pack, gravel layer, coarse sands layer, fine sand successively from bottom to top It is provided with layer, the second screen pack and activated carbon adsorption layer, the solarization air cell below suspended biological filler, the suspended biological filler Solarization air cell in be provided with some aeration heads, aeration head be arranged on aeration tube on, the dirt collection trench bottom, which is equipped with, takes out dirty pipe, takes out dirt If offering dry tap mud hole on pipe, the input that dirty pipe connects sludge pump is taken out, the output end of sludge pump connects dirty by blow-off pipe The input of mud dewaterer, sludge dewatering equipment output end is provided with mud cake delivery outlet, and sludge dewatering equipment connects dirt collection by return duct Groove.
2. a kind of box type sewage processor according to claim 1, it is characterised in that flocculation sediment room bottom side is connected Offered on the dividing plate of filter chamber, flocculation sediment room and filter chamber bottom and lead dirty hole, flocculation sediment room and filter chamber are by leading Dirty hole is connected with sewage sump respectively, connection solarization air cell on the upside of filter chamber, solarization air cell bottom side connection high efficiency filter room, high efficiency filter room Upside connects water purifying chamber.
3. a kind of box type sewage processor according to claim 1, it is characterised in that the flocculant addition tank a and wadding Solidifying agent addition tank b bottoms are mounted on regulating valve with flocculant adding tube junction.
4. a kind of box type sewage processor according to claim 1, it is characterised in that described rotary shaft one end passes sewage The output end that casing connects motor is handled, waterproof grommet is provided between rotary shaft and sewage disposal casing.
5. a kind of box type sewage processor according to claim 1, it is characterised in that folding is provided with inside the solarization air cell Plate is flowed, the quantity of deflection plate is two and is separately fixed on the dividing plate of the solarization air cell left and right sides.
6. a kind of box type sewage processor according to claim 1, it is characterised in that aeration tube upper end connecting fan Air outlet, the sewage disposal casing that the air inlet of blower fan connects at the top of filter, solarization air cell by pipeline is provided with steam vent.
7. a kind of box type sewage processor according to claim 1, it is characterised in that the high efficiency filter chamber interior is installed There are vacuum filter membranous layer, the serpentine-like bending of vacuum filter membranous layer, water purifying chamber's side connection water purification outlet pipe.
CN201621473772.8U 2016-12-30 2016-12-30 A kind of box type sewage processor Expired - Fee Related CN206328298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621473772.8U CN206328298U (en) 2016-12-30 2016-12-30 A kind of box type sewage processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621473772.8U CN206328298U (en) 2016-12-30 2016-12-30 A kind of box type sewage processor

Publications (1)

Publication Number Publication Date
CN206328298U true CN206328298U (en) 2017-07-14

Family

ID=59293717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621473772.8U Expired - Fee Related CN206328298U (en) 2016-12-30 2016-12-30 A kind of box type sewage processor

Country Status (1)

Country Link
CN (1) CN206328298U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107487897A (en) * 2017-09-19 2017-12-19 刘路清 A kind of rotary-type sewage-treatment plant
CN107628716A (en) * 2017-09-20 2018-01-26 华北理工大学 A kind of sewage-treatment plant
CN107673553A (en) * 2017-09-28 2018-02-09 天津富斯特压力容器有限公司 A kind of Horizontal wastewater process tank
CN108191146A (en) * 2017-12-29 2018-06-22 五河县智凯环保科技有限公司 A kind of rural area pond water pollution regenerative system
CN109205938A (en) * 2018-09-30 2019-01-15 德保县广鑫贸易有限公司 A kind of nitrogen phosphorus processing equipment for planting site draining
CN109574419A (en) * 2019-01-28 2019-04-05 丽水学院 A kind of landscape pond and its water body are automatically repaired system
CN110482790A (en) * 2019-08-23 2019-11-22 湖州新仲湖针织制衣有限公司 A kind of dyeing waste water film process and reuse technology
CN110563053A (en) * 2019-08-05 2019-12-13 周有 Movable integration river lake water pollution purifier
CN112794574A (en) * 2020-12-30 2021-05-14 袭兴录 Biological environmental protection processing apparatus of industrial waste water
CN113060782A (en) * 2021-03-27 2021-07-02 新昌县佳泰市政园林建设有限公司 Municipal sewage filtering device
CN116947268A (en) * 2023-09-20 2023-10-27 海普欧环保集团有限公司 High-salt wastewater desalination treatment device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107487897A (en) * 2017-09-19 2017-12-19 刘路清 A kind of rotary-type sewage-treatment plant
CN107487897B (en) * 2017-09-19 2021-06-04 中建一局集团安装工程有限公司 Rotary wheel type sewage treatment device
CN107628716A (en) * 2017-09-20 2018-01-26 华北理工大学 A kind of sewage-treatment plant
CN107673553A (en) * 2017-09-28 2018-02-09 天津富斯特压力容器有限公司 A kind of Horizontal wastewater process tank
CN108191146B (en) * 2017-12-29 2020-02-14 江田(上海)水处理有限公司 Water pollution regeneration system for rural pond
CN108191146A (en) * 2017-12-29 2018-06-22 五河县智凯环保科技有限公司 A kind of rural area pond water pollution regenerative system
CN109205938A (en) * 2018-09-30 2019-01-15 德保县广鑫贸易有限公司 A kind of nitrogen phosphorus processing equipment for planting site draining
CN109205938B (en) * 2018-09-30 2021-03-16 台州中知英健机械自动化有限公司 Nitrogen and phosphorus treatment equipment for drainage of planting field
CN109574419A (en) * 2019-01-28 2019-04-05 丽水学院 A kind of landscape pond and its water body are automatically repaired system
CN110563053A (en) * 2019-08-05 2019-12-13 周有 Movable integration river lake water pollution purifier
CN110482790A (en) * 2019-08-23 2019-11-22 湖州新仲湖针织制衣有限公司 A kind of dyeing waste water film process and reuse technology
CN110482790B (en) * 2019-08-23 2021-08-31 湖州新仲湖针织制衣有限公司 Printing and dyeing wastewater membrane treatment and recycling process
CN112794574A (en) * 2020-12-30 2021-05-14 袭兴录 Biological environmental protection processing apparatus of industrial waste water
CN113060782A (en) * 2021-03-27 2021-07-02 新昌县佳泰市政园林建设有限公司 Municipal sewage filtering device
CN116947268A (en) * 2023-09-20 2023-10-27 海普欧环保集团有限公司 High-salt wastewater desalination treatment device
CN116947268B (en) * 2023-09-20 2023-12-22 海普欧环保集团有限公司 High-salt wastewater desalination treatment device

Similar Documents

Publication Publication Date Title
CN206328298U (en) A kind of box type sewage processor
CN107998832A (en) Wastewater from chemical industry and exhaust gas are recycled purifier
CN104986885B (en) Recovery and processing device for flow-back fluid of fracturing fluid in shale gas exploitation
CN206767836U (en) A kind of effluent cycle utilizes cleaning system
CN210656592U (en) Turbid ring cooling water purification system
CN211170174U (en) A device for sewage treatment
CN208104103U (en) A kind of municipal wastewater treatment and purification device
CN207608430U (en) A kind of sewage-treatment plant
CN206553249U (en) A kind of filter for sewage disposal
CN210915635U (en) Be applied to sewage treatment plant that water environment was administered
CN109422390A (en) A kind of efficient effluent treatment plant and its application method
CN209143899U (en) One kind being used for coal chemical industry oil product synthetic wastewater processing unit
CN218146160U (en) Sewage treatment equipment
CN207645952U (en) A kind of water quality monitoring water quality circulating purifying device
CN206767817U (en) Biochemical efficient sewage disposal device
CN205115166U (en) A clarification plant for sewage treatment
CN208394938U (en) A kind of petroleum waste water processing unit
CN206289123U (en) A kind of processing system for metro depot car-washing sewage
CN207002510U (en) A kind of sewage-treatment plant of city planting ductwork
CN208667366U (en) A kind of High-efficient Water pollution treatment device
CN207243621U (en) A kind of domestic sewage in rural areas purifying processing device
CN207694501U (en) Wastewater from chemical industry and exhaust gas are recycled purifier
CN208071484U (en) A kind of steel-making station-service efficient sewage treatment installation
CN206544953U (en) A kind of emulsion processing equipment
CN206940602U (en) A kind of sewage disposal device of multi-filtering

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: 20170714

Termination date: 20171230

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