CN104386778B - A kind of system of disposing of sewage for photocatalysis oxidation technique - Google Patents
A kind of system of disposing of sewage for photocatalysis oxidation technique Download PDFInfo
- Publication number
- CN104386778B CN104386778B CN201410744019.7A CN201410744019A CN104386778B CN 104386778 B CN104386778 B CN 104386778B CN 201410744019 A CN201410744019 A CN 201410744019A CN 104386778 B CN104386778 B CN 104386778B
- Authority
- CN
- China
- Prior art keywords
- control module
- delivery port
- reactor
- filter
- water inlet
- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 24
- 230000003647 oxidation Effects 0.000 title claims abstract description 21
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 21
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011229 interlayer Substances 0.000 claims abstract description 31
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 16
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 14
- 229910052753 mercury Inorganic materials 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000011282 treatment Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000010525 oxidative degradation reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011858 nanopowder Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000161 silver phosphate Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a kind of system of disposing of sewage for photocatalysis oxidation technique. It comprises the reactor (3) that is provided with water inlet (1) and delivery port (2), and light source (4), is characterized in that: it has additional sensor (5), filter (6), control module (7) and display button unit (8); Reactor (3) inside is provided with catalyst particles interlayer (9); Light source (4) and catalyst particles interlayer (9) are alternately arranged to delivery port (2) direction from water inlet (1) in reactor (3); Sensor (5) is located at respectively reactor (3) inner water inlet (1) and delivery port (2) and is located; Sensor (5) is connected with control module (7); Control module (7) is connected with display button unit (8); Delivery port (2) is communicated with filter (6), also sets up secondary delivery port (10) on filter (6). This invention can realize Real-Time Monitoring, and processing procedure is more simple and efficient.
Description
Technical field
The present invention relates to adopt the photocatalysis oxidation technique technical field of disposing of sewage, relate in particular to a kind of for photocatalytic-oxidationChange the system of technical finesse sewage.
Background technology
It is to rise in recent ten years that photocatalysis oxidation technique (PhotocatalyticOxidation, PCO) is disposed of sewageA new technology, at present very active in the research in pollution control field. Its general principle is: semiconductor light-catalyst, for exampleTiO2、SnO2、ZnO2Ag3PO4BiOClBi4Ti3O12BiWO3Deng being subject to after illumination, form electron-hole pair, energy in waterProduce the extremely strong OH free radical of oxidability, thereby by pollutant oxidative degradation; Wherein, it is mainly to utilize ultraviolet light(Ultraviolet, UV) radiation oxidation treatment effect, accelerates the oxidative degradation of pollutant, makes some difficult occur anti-Should carry out smoothly, greatly to improve oxidative degradation speed.
At present, in the time adopting photocatalysis oxidation technique to dispose of sewage, existing treatment system can only be suitable for nano-powder and urgeAgent, but nano powder catalyst is unfavorable for recovery, easily causes secondary pollution, and therefore, current research work is attentionPower concentrates on exploitation nano-sized membrane, but the sewage disposal system that is suitable for adopting nano-sized membrane to carry out catalysis is considerably less,And mostly cannot realize the sewage pollution substrate concentration before processing, after processing neutralisation treatment is carried out to Real-Time Monitoring, and all need to adoptBy the sampling and measuring in conventional method, thereby greatly increase laboratory technician's labor workload, wasted labour, detection efficiencyNot high. In addition, existing treatment system function singleness, manyly only can realize by photocatalysis oxidation technique organic matter in water is dividedSub-chemical treatment is removed, and its treatment effect needs further improvement.
Summary of the invention
The object of the present invention is to provide a kind of system of disposing of sewage for photocatalysis oxidation technique, this is used for photocatalysisThe whole processing procedure of system energy Real-Time Monitoring that oxidation technology is disposed of sewage, its processing procedure is more simple and efficient, is suitable for adoptingNano-sized membrane carries out the sewage disposal process of catalysis.
The object of the present invention is achieved like this:
A system of disposing of sewage for photocatalysis oxidation technique, it comprises the reaction that is provided with water inlet and delivery portDevice, and light source, is characterized in that: it also has additional sensor, filter, control module and display button unit; DescribedInside reactor has additional catalyst particles interlayer; Described light source and described catalyst particles interlayer are in described reactorPortion, along alternately arranging to described delivery port direction from described water inlet; Described sensor is located at respectively described inside reactorWater inlet and water outlet; Described sensor is connected with described control module; Described control module and described demonstration are pressedKey unit is connected; Described delivery port is communicated with described filter, also has additional secondary delivery port on described filter.
By at inside reactor from water inlet to delivery port direction, alternately arrange light source and catalyst particles interlayer,Formed multiple photocatalysis oxidation reactions unit at inside reactor, multiple filtration has promoted treatment effect greatly, and according to realityThe pollution level that will dispose of sewage in trampling, also can suitably adjust the number that arranges of controlling light source and catalyst particles interlayer, suitableThe processing needs of different quality situation are answered; In addition,, by alternately arranging of light source and catalyst particles interlayer, adjacent urgesBetween agent particle interlayer, realize and shared a light source, further saved the energy. Wherein, catalyst particles interlayer toolBody can adopt the nets such as stainless steel cloth, the layer structure of making through coated catalysts particle.
As further optimization, also have additional interlayer, described interlayer near the above-mentioned inside reactor of above-mentioned water inletOn be evenly distributed with hole. By this setting, the sewage that is flowed into this system by water inlet is assembled and is distributed at interlayer place, and passes through holeGap is evenly distributedly in the photocatalysis oxidation reaction unitary space of inflow catalyst particle interlayer and light source composition.
As further optimization, the above-mentioned inside reactor of above-mentioned water inlet, also has additional level sensor, described waterLevel sensor is connected with above-mentioned control module.
In the back with water inlet line of above-mentioned water inlet, have additional valve, described valve is connected with above-mentioned control module. Pass throughSet up level sensor, and the valve in back with water inlet line is connected with control module, the water level in can Real-Time Monitoring reactor, andRegulate in real time amount of inlet water, control water inlet flow velocity and the time of staying, thereby the water of different pollution levels is effectively processed.
As further optimization, above-mentioned filter is also connected with above-mentioned control module, with what realize filterIntelligent control. This filter can adopt routine filtration device.
Secondary water outlet in above-mentioned filter also has additional sensor, described sensor and above-mentioned control module phaseConnect. By further setting up sensor, realize the water of gained after final processing has been monitored.
As further optimizing again, between above-mentioned delivery port and above-mentioned filter, also have additional successively tank and pump.By delivery port is communicated with tank, realized sewage after treatment be incorporated in tank, and and then by pump, pump intoIn filter, further filter, further promoted filter effect.
The sensor, is specially Fibre Optical Sensor. Be Fibre Optical Sensor by selecting sensor, realized water qualityAccurately monitoring.
Above-mentioned display button unit, is specifically provided with display screen and touch key-press screen, in order to realize the demonstration to sensorControl.
Above-mentioned light source, specifically can adopt mercury lamp or uviol lamp.
The present invention has following beneficial effect:
1, the present invention, by conjunction with photochemical catalytic oxidation and filtration, has realized the bi-level treatment process to sewage, and it specificallyBy photocatalysis oxidation technique, organic molecule chemical treatment in water is removed, follow-up connection filter by sewageThe physical treatments such as grain thing impurity are removed;
2, the present invention has formed multiple photocatalysis oxidation reactions unit by unique structural design at inside reactor, largePromote greatly treatment effect, also adapted to the processing of different quality;
3, the present invention, also in conjunction with having set up intelligent monitoring device, has realized the uninterrupted processing of sewage, the reality of resultTime on-line monitoring, greatly reduced workload, make monitoring operation more simple and efficient, be suitable for adopting nano-sized membrane to urgeThe sewage disposal process of changing, also can be used as household water purifier and is directly used in the purified treatment of slight pollution water quality, range of applicationExtensively.
Brief description of the drawings
Fig. 1 is the structural representation of the system of disposing of sewage for photocatalysis oxidation technique described in the embodiment of the present invention 1Figure.
Fig. 2 is that the structure of the plastic interlayer of the system of disposing of sewage for photocatalysis oxidation technique described in Fig. 1 is shownIntention.
Fig. 3 is the structural representation of the system of disposing of sewage for photocatalysis oxidation technique described in the embodiment of the present invention 2Figure.
Fig. 4 is the structural representation of the system of disposing of sewage for photocatalysis oxidation technique described in the embodiment of the present invention 3Figure.
Detailed description of the invention
Be below preferred embodiment of the present invention, and be not intended to limit protection scope of the present invention.
Embodiment 1
As shown in Fig. 1～2: a kind of system of disposing of sewage for photocatalysis oxidation technique, it comprise top be provided with intoThe mouth of a river 1 and bottom are provided with the reactor 3 of delivery port 2, and three mercury lamps 4, Fibre Optical Sensor 5, filter 6, control singleUnit 7 and display button unit 8; Its reactor 3 inside have additional three layers of catalyst particles interlayer 9; Mercury lamp 4 and catalyst granulesThing interlayer 9 is in reactor 3 inside, along alternately arranging to delivery port 2 directions from water inlet 1; Mercury lamp 4 is connected with power supply; LightFiber sensor 5 is located at respectively water inlet 1 place and delivery port 2 places of reactor 3 inside; Fibre Optical Sensor 5 all with control module 7 phasesConnect; Control module 7 is connected with display button unit 8; Delivery port 2 is communicated with filter 6, and filter 6 is single with controlUnit 7 is connected, and also has additional secondary delivery port 10 on filter 6; The interior topmost of reactor 3 also increases near water inlet 1 placeBe provided with plastic interlayer 11, on this plastic interlayer 11, be evenly distributed with hole 12; Its display button unit 8, is specifically provided with demonstrationScreen and touch key-press screen.
In practical application, pending sewage is through water inlet 1 inflow reactor 3 inside, and at plastic interlayer, 11 places evenly divideCloth also flow on catalyst particles interlayer 9, the catalyst granules of storing in mercury lamp 4 and catalyst particles interlayer 9Under acting in conjunction, carry out oxidative degradation, processed good sewage flow into reactor 3 times through filtering catalyst particles interlayer 9Portion, flow in filter 6 and again filters through delivery port 2, after being finally disposed, flows out through secondary delivery port 10.
Embodiment 2
As shown in Figure 3: a kind of system of disposing of sewage for photocatalysis oxidation technique, it comprises that top is provided with water inlet1 and bottom be provided with the reactor 3 of delivery port 2, and three mercury lamps 4, Fibre Optical Sensor 5, filter 6, tank 13, pump14, control module 7 and display button unit 8; Its reactor 3 inside have additional equally distributed three layers of catalyst particles interlayer9; Mercury lamp 4 and catalyst particles interlayer 9 are in reactor 3 inside, along alternately arranging to delivery port 2 directions from water inlet 1; MercuryLamp 4 is connected with control module 7; Fibre Optical Sensor 5 is located at respectively water inlet 1 place and delivery port 2 places of reactor 3 inside; LightFiber sensor 5 is all connected with control module 7; Control module 7 is connected with display button unit 8; Delivery port 2 successively with water storagePond 13, pump 14 and filter 6 are communicated with, and also have additional secondary delivery port 10 on filter 6; The interior topmost of reactor 3 is closeWater inlet 1 place also has additional plastic interlayer 11, is evenly distributed with hole 12 on plastic interlayer 11; The water inlet 1 of reactor 3 insidePlace, also has additional level sensor 15, and this level sensor 15 is connected with control module 7; In the back with water inlet line at water inlet 1 placeBe provided with valve, valve is connected with control module 7; Filter 6 is also connected with control module 7, and in filter 6Secondary delivery port 10 places also have additional Fibre Optical Sensor 5, and this Fibre Optical Sensor 5 is also connected with control module 7; Its display buttonUnit 8, is specifically provided with display screen and touch key-press screen.
In this example, by mercury lamp 4 is connected with control module 7, further facilitate control operation.
Embodiment 3
As shown in Figure 4: a kind of system of disposing of sewage for photocatalysis oxidation technique, it comprises that left side is provided with water inlet1 and right side be provided with the reactor 3 of delivery port 2, and three mercury lamps 4, Fibre Optical Sensor 5, filter 6, control module 7 andDisplay button unit 8; Its reactor 3 inside have additional three layers of perpendicular straight arranged catalyst particles interlayer 9; Mercury lamp 4 and catalysisAgent particle interlayer 9 is in reactor 3 inside, along alternately arranging to delivery port 2 directions from water inlet 1; Mercury lamp 4 is connected with power supplyConnect; Fibre Optical Sensor 5 is located at respectively water inlet 1 place and delivery port 2 places of reactor 3 inside; Fibre Optical Sensor 5 is all single with controlUnit 7 is connected; Control module 7 is connected with display button unit 8; Delivery port 2 is communicated with filter 6, filter 6 and controlUnit 7 processed is connected, and also has additional secondary delivery port 10 on filter 6; Its display button unit 8, is specifically provided with aobviousShow screen and touch key-press screen.
Claims (1)
1. a system of disposing of sewage for photocatalysis oxidation technique, is characterized in that: it comprises that top is provided with water inlet(1) and bottom be provided with the reactor (3) of delivery port (2), and three mercury lamps (4), Fibre Optical Sensor (5), filter(6), tank (13), pump (14), control module (7) and display button unit (8); Its reactor (3) inside has additional evenlyThe three layers of catalyst particles interlayer (9) that distribute; Mercury lamp (4) and catalyst particles interlayer (9) are on reactor (3) inside, edgeFrom water inlet (1) and alternately arrange to delivery port (2) direction; Mercury lamp (4) is connected with control module (7); Fibre Optical Sensor (5)Be located at respectively that the inner water inlet (1) of reactor (3) is located and delivery port (2) is located; Fibre Optical Sensor (5) all with control module (7)Be connected; Control module (7) is connected with display button unit (8); Delivery port (2) successively with tank (13), pump (14) andFilter (6) is communicated with, and also has additional secondary delivery port (10) on filter (6); The interior topmost of reactor (3) is near water inletMouth (1) locates also to have additional plastic interlayer (11), is evenly distributed with hole (12) on plastic interlayer (11); Reactor (3) insideWater inlet (1) is located, and also has additional level sensor (15), and this level sensor (15) is connected with control module (7); Water inlet(1) in the back with water inlet line of locating, be provided with valve, valve is connected with control module (7); Filter (6) is gone back and control module(7) be connected, and secondary delivery port (10) in filter (6) locates also to have additional Fibre Optical Sensor (5), and Fibre Optical Sensor(5) be also connected with control module (7); Its display button unit (8), is specifically provided with display screen and touch key-press screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744019.7A CN104386778B (en) | 2014-12-09 | 2014-12-09 | A kind of system of disposing of sewage for photocatalysis oxidation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744019.7A CN104386778B (en) | 2014-12-09 | 2014-12-09 | A kind of system of disposing of sewage for photocatalysis oxidation technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104386778A CN104386778A (en) | 2015-03-04 |
| CN104386778B true CN104386778B (en) | 2016-05-25 |
Family
ID=52604760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410744019.7A Expired - Fee Related CN104386778B (en) | 2014-12-09 | 2014-12-09 | A kind of system of disposing of sewage for photocatalysis oxidation technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104386778B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084514A (en) * | 2015-08-12 | 2015-11-25 | 刘姝 | Sewage treatment system based on organic-matter photocatalytic oxidative decomposition |
| CN105330074B (en) * | 2015-11-30 | 2018-03-20 | 无锡工源机械有限公司 | Airfloat equipment |
-
2014
- 2014-12-09 CN CN201410744019.7A patent/CN104386778B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104386778A (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108314232A (en) | A kind of sewage-treatment plant with high safety reliability | |
| CN105692973A (en) | Ultrapure water preparation system and urea solution preparation system for vehicles | |
| CN104386778B (en) | A kind of system of disposing of sewage for photocatalysis oxidation technique | |
| CN103435110B (en) | A kind of electrolytic catalysis adsorption filter | |
| CN105084514A (en) | Sewage treatment system based on organic-matter photocatalytic oxidative decomposition | |
| CN205856196U (en) | A kind of movable building outdoor landscape water apparatus for physical Chemical treating | |
| CN206033301U (en) | Photocatalysis purifier | |
| CN104229917B (en) | Activated coke sewage water advanced treatment apparatus | |
| CN205473263U (en) | Coal chemical wastewater treatment device | |
| CN205556389U (en) | Sewage purification retrieval and utilization device | |
| CN205556263U (en) | Waste water purifying and processing device | |
| CN214611671U (en) | Photocatalysis ultrafiltration purifier | |
| CN102616915B (en) | Device and method for comprehensively treating water body | |
| CN204298183U (en) | A kind of sewage disposal system | |
| CN205442813U (en) | Novel sewage purifying treatment device | |
| CN205662411U (en) | Photocatalysis purifier | |
| CN205170585U (en) | Energy -saving effluent treatment plant | |
| CN205442990U (en) | Sewage purification processing device | |
| CN208517175U (en) | A kind of household high rate wastewater processing unit | |
| CN203269693U (en) | Recirculating water treatment system | |
| CN203486927U (en) | Electrolytic catalysis and adsorption filter | |
| CN103058315B (en) | Tower-type adsorption reactor and system and method thereof for removing heavy metal ions in water | |
| CN208151108U (en) | A kind of intermediate water reuse system for recirculated cooling water | |
| CN109621727B (en) | Ultra-low pressure reverse osmosis system and method for treating iodine ions in radioactive polluted water by using same | |
| CN208308647U (en) | Wastewater degradation device is used in a kind of production of dichloro-nicotinic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Bitao Inventor after: Yan Hengqing Inventor after: Yao Yucen Inventor before: Liu Bitao Inventor before: Liu Daijun Inventor before: Pan Yuanjun Inventor before: Chen Dongling Inventor before: Xu Bin Inventor before: Chen Junfang Inventor before: Lu Qiuju Inventor before: Zhang Min |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211209 |