CN105002523B - A kind of electrolytic manganese fluid infusion system - Google Patents
A kind of electrolytic manganese fluid infusion system Download PDFInfo
- Publication number
- CN105002523B CN105002523B CN201510533332.0A CN201510533332A CN105002523B CN 105002523 B CN105002523 B CN 105002523B CN 201510533332 A CN201510533332 A CN 201510533332A CN 105002523 B CN105002523 B CN 105002523B
- Authority
- CN
- China
- Prior art keywords
- knockout
- floating drum
- liquid
- overfall
- liquid pool
- 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.)
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 46
- 239000011572 manganese Substances 0.000 title claims abstract description 46
- 239000012530 fluid Substances 0.000 title claims abstract description 23
- 238000001802 infusion Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 239000011521 glass Substances 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000011084 recovery Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 238000005868 electrolysis reaction Methods 0.000 description 5
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 229910001437 manganese ion Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035611 feeding Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of electrolytic manganese fluid infusion system, liquid pool is matched somebody with somebody in knockout bottom through return flow solenoid valve connection, and agitating paddle is provided with liquid pool, and knockout inlet is connected through qualified manganese solution delivery pump with liquid pool；With liquid pool high concentration manganese solution feed coefficient is connected through high concentration manganese solution electromagnetic valve；There is floating drum in knockout, there is symmetrical guide pile on floating drum, knockout inwall is provided with upper and lower locating piece；Knockout is fixedly arranged above symmetrical sleeve, passes through slide-bar in sleeve and connects floating drum；Knockout bottom is the side by side configuration of multiple Measuring glasses, lower section connection throttle pipe and electrolytic cell；Connection cleaning rod below floating drum；Electrolytic cell yin, yang pole room is equipped with overfall, and catholyte overfall matches somebody with somebody liquid pool through negative electrode liquid pump, duplex strainer, cooling tower connection；Cathode and anode hydrorrhea head piece is equipped with the overflow control panel of angle rotatable.The present invention solves existing electrolyte heterogeneity during electrolytic manganese fluid infusion, many technical problems such as efficiency is low, has a extensive future.
Description
Technical field
The present invention relates to a kind of electrolytic manganese fluid infusion system.
Background technology
The necessary processing step that qualifying liquid to be electrolysed is electrolytic manganese production is continuously replenished toward electrolytic cell, the purpose of fluid infusion is
The technological parameter needed for electrolysis is set to stablize the progress in certain scope, concentration, the temperature of such as electrolyte, being advantageous to electrolysis.
Fluid infusion is completed by special fluid infusion system, and existing fluid infusion system is toward electricity mostly by the way of feed flow supervisor plus branching valve
Groove fluid infusion is solved, branching valve is mainly by the way of manual control.
Electrolytic manganese workshop typically has individual electrolytic cells up to a hundred, thus needs to complete fluid infusion to individual electrolytic cells up to a hundred simultaneously
Manipulation, the defects of due to the difference of operating experience, the difference of electric tank working parameter and change, manual control valve, quantity Pang
Big electrolytic cell can not keep more consistent efficient electrolysis state, decline electrolytic efficiency, power consumption improves, benefit reduces.
The content of the invention
The technical problem to be solved in the present invention is exactly overcome the deficiencies in the prior art, there is provided one kind can overcome the disadvantages that manual control point
The defects of branch valve fluid infusion, the electrolytic cell of substantial amounts is set to be consistent the fluid infusion system of efficient electrolysis state.
For overcome the deficiencies in the prior art, the present invention takes following technical scheme：
A kind of electrolytic manganese fluid infusion system, including knockout, it is characterised in that：Match somebody with somebody through return flow solenoid valve connection knockout bottom
Liquid pool, agitating paddle is provided with liquid pool, knockout inlet is connected through qualified manganese solution delivery pump with liquid pool；With liquid pool through high concentration
Manganese solution magnetic valve connects high concentration manganese solution feed coefficient；There is floating drum in knockout, there is symmetrical guide pile, knockout on floating drum
Inwall is provided with upper and lower locating piece, and floating drum floats to be limited with declining by upper and lower locating piece；Knockout is fixedly arranged above symmetrical set
Cylinder, sleeve is interior to be passed through slide-bar and connects floating drum；Knockout bottom is the side by side configuration of multiple Measuring glasses, is connected below each Measuring glass
A throttle pipe is connect, an electrolytic cell is provided with below each throttle pipe；Multiple cleanings corresponding with Measuring glass are connected below floating drum
Bar；Electrolytic cell is common the anode chamber and the cathode chamber diaphragm electrolytic cell, and each electric tank cathode room is provided with an overfall, and overfall connects
Catholyte collecting tray is connect, catholyte collecting tray matches somebody with somebody liquid pool, each electrolytic cell through negative electrode liquid pump, duplex strainer, cooling tower connection
Anode chamber also is provided with an overfall；Catholyte overfall, anolyte overfall are equipped with the overflow control panel of angle rotatable.
The cleaning rod front end is provided with hairbrush.
Hose connection is provided with below the throttle pipe, qualified manganese solution is supplemented to corresponding electrolytic cell by connection flexible pipe.
The anolyte overfall jointed anode liquid collecting tray, anolyte collecting tray reclaim through anode liquid pump jointed anode liquid
Pond.
The critical piece of fluid infusion system is knockout, and knockout is square container mostly, there is floating drum in knockout, on floating drum
There is symmetrical guide pile, floating drum floats with declining due to being limited at positioning by upper and lower locating piece barrier effect, guide pile stroke
Between block, so as to control the floating of floating drum and descending stroke；Symmetrical sleeve ensure that floating drum moves up and down accurate with slide-bar
Property.
Also have on floating drum has hairbrush with the corresponding cleaning rod of Measuring glass arrangement, composition one-to-one relationship, cleaning rod front end,
Floating drum can scrub throttle pipe repeatedly with electric brush up and down, throttle pipe is kept unimpeded, throttle pipe controls the speed and flow of fluid infusion.
Hose connection is provided with below throttle pipe, qualified manganese solution is supplemented to corresponding electrolytic cell by connection flexible pipe.
Qualified manganese solution delivery pump can will quickly match somebody with somebody qualified manganese solution in liquid pool and input liquid separation by pipeline and inlet
Device, floating drum float to upper extreme position, close qualifying liquid delivery pump by travel switch, while open return flow solenoid valve, allow point
Liquid quick backflow enters and matches somebody with somebody liquid pool in liquid device, and now floating drum drops to lower limit position with liquid level, the qualified manganese in Measuring glass
Solution is then transported to corresponding electrolytic cell by throttle pipe and flexible pipe, realizes that electrolytic cell is quantitative, fits speed and supplements qualified manganese solution, quantitative
Qualifying liquid delivery pump can be automatically turned on once again after liquid output in cup, carry out upper liquid once again and supply, and realize floating
Cylinder band electric brush moves up and down, and scrubs throttle pipe, ensures unimpeded.
Electrolytic cell is common diaphragm electrolytic cell, increases catholyte overfall newly in the design and passes through catholyte collecting tray
Concentrate, conveyed by negative electrode liquid pump, remove trace impurity through duplex strainer, then radiated by cooling tower and complete to follow into liquid pool
Ring, the catholyte that cooling tower can be flowed back with effective temperature-reducing, and its reclaimed water is largely evaporated, the liquid expansion for effectively avoiding electrolytic manganese from producing
Problem.
There are the uniformity of liquid in agitating paddle holding pond, while manganese ion content in reasonable analysis liquid in good time with liquid pool,
Again by high concentration manganese solution electromagnetic valve UNICOM high concentration manganese solution feed coefficient, keep with liquid pool manganese ion content in moderate model
Enclose.
Though electrolytic cell has barrier film isolation, due to law of connected vessels, the liquid level of the anode chamber and the cathode chamber is consistent.Newly-increased anolyte
Overflow control panel and catholyte overflow control panel, it can rotate and set the angle of overflow control panel to control cathode and anode liquid
Output flow, meet to require.
Compared with prior art, beneficial effects of the present invention also reside in：
Measuring glass in knockout can be arranged with multiple rows of, multiple row, reliably to multiple electrolytic cell quantitative liquid feedings；Throttle pipe can be with
Keep unimpeded by scrubbing repeatedly up and down, so as to obtain reliable flow velocity supply, and can by control per hour fluid infusion cup number come
Realize that amount infused is adjusted；Catholyte overflow allotment supply forced circulation, can effectively realize the liquid phase homogeneity of electrolytic cell, be easy to
Electrolysis electricity effect is effectively improved, less anolyte spillway discharge can effectively improve acidity, reduce later stage sulfuric acid input amount；Catholyte
Large quantity of moisture with temperature with high efficiency and can be evaporated by cooling tower, alleviate the liquid expansion environmental protection pressure of electrolytic manganese production significantly, directly
Radiating and cooling is also efficiently more many than traditional calandria partition water circulation radiating；Valve plate type anode and cathode hydrorrhea flow modulation device is special
It is easy and effective, it is easy to manipulate.
In summary, the present invention solves existing many technical problems during electrolytic manganese fluid infusion, has a extensive future.
Brief description of the drawings
Fig. 1 is planar structure schematic diagram of the present invention in floating drum upper limit.
Fig. 2 is planar structure schematic diagram of the present invention in floating drum lower limit.
Fig. 3 is the overflow control principle drawing of the present invention.
Each label represents in figure：
1st, floating drum；2nd, knockout；3rd, sleeve；4th, slide-bar；5th, guide pile；6th, upper locating piece；7th, lower locating piece；8th, clear up
Bar；9th, Measuring glass；10th, hairbrush；11st, throttle pipe；12nd, hose connection；13rd, electrolytic cell；14th, anode liquid pump；15th, anolyte overflow
Mouthful；16 anolyte collecting trays；17th, catholyte collecting tray；18th, catholyte overfall；19th, negative electrode liquid pump；20th, duplex strainer；
21st, knockout inlet；22 return flow solenoid valves；23rd, high concentration manganese solution feed coefficient；24th, cooling tower；25th, agitating paddle；26th, match somebody with somebody
Liquid pool；27th, qualified manganese solution delivery pump；28th, high concentration manganese solution electromagnetic valve；31st, anolyte overflow control panel；32nd, catholyte
Overflow control panel.
Embodiment
In conjunction with accompanying drawing, the present invention is further elaborated with.
Electrolytic manganese fluid infusion system as depicted in figs. 1 and 2, including knockout, the bottom of knockout 2 connect through return flow solenoid valve 22
With liquid pool 26, agitating paddle 25 is provided with liquid pool 26, knockout inlet 21 is connected through qualified manganese solution delivery pump 27 with liquid pool 26；
With liquid pool 26 high concentration manganese solution feed coefficient 23 is connected through high concentration manganese solution electromagnetic valve 28；There are floating drum 1, floating drum 1 in knockout 2
On have a symmetrical guide pile 5, the inwall of knockout 2 is provided with upper and lower locating piece 6,7, floating drum float with decline by upper and lower locating piece 6,
7 limitations；Knockout 2 is fixedly arranged above symmetrical sleeve 3, passes through slide-bar 4 in sleeve 3 and connects floating drum 1；The bottom of knockout 2 is
The side by side configuration of multiple Measuring glasses 9, one throttle pipe 11 of each lower section of Measuring glass 9 connection, each lower section of throttle pipe 11 are provided with one
Individual electrolytic cell 13；The lower section of floating drum 1 connects multiple cleaning rods 8 corresponding with Measuring glass；Electrolytic cell 13 be common the anode chamber and the cathode chamber every
Membrane type electrolytic cell, each electric tank cathode room are provided with an overfall 18, and overfall 18 connects catholyte collecting tray 17, catholyte
Collecting tray 17 matches somebody with somebody liquid pool 26 through negative electrode liquid pump 19, duplex strainer 20, the connection of cooling tower 24, and each electrolyzer anode chamber also is provided with
One overfall 15；Catholyte overfall 18, anolyte overfall 15 are equipped with the overflow control panel 32,31 of angle rotatable.
The front end of cleaning rod 8 is provided with hairbrush 10.
The lower section of throttle pipe 11 is provided with hose connection 12, molten to the qualified manganese of corresponding electrolytic cell supplement by connection flexible pipe
Liquid.
The jointed anode liquid collecting tray 16 of anolyte overfall 15, anolyte collecting tray 16 connects sun through anode liquid pump 14
Pole liquid recovery pond.
The critical piece of fluid infusion system is knockout 2, and knockout 2 is square container mostly, there is floating drum 1 in knockout, is floated
There is symmetrical guide pile 5 on cylinder 1, floating drum 1 floats with declining due to by upper and lower locating piece 6,7 barrier effects, the stroke of guide pile 5
It is limited between locating piece, so as to control the floating of floating drum 1 and descending stroke；Symmetrical sleeve 3 ensure that floating drum with slide-bar 4
1 accuracy to move up and down.
Also have on floating drum and arrange corresponding cleaning rod 8 with Measuring glass 9, form one-to-one relationship, the front end hairiness of cleaning rod 8
Brush 10, floating drum can scrub throttle pipe 11 repeatedly with electric brush 10 up and down, throttle pipe 11 is kept unimpeded, and throttle pipe 11 controls fluid infusion
Speed and flow.The lower section of throttle pipe 11 is provided with hose connection 12, and qualified manganese is supplemented to corresponding electrolytic cell 13 by connection flexible pipe
Solution.
It is defeated by pipeline and inlet 21 that qualified manganese solution delivery pump 27 can will quickly match somebody with somebody qualified manganese solution in liquid pool 26
Enter knockout 2, floating drum 1 floats to upper extreme position (shown in Fig. 1), closes qualifying liquid delivery pump 27 by travel switch, simultaneously
Return flow solenoid valve 22 is opened, allows in knockout 2 liquid quick backflow to enter and matches somebody with somebody liquid pool 26, under now floating drum 1 drops to liquid level
Extreme position (shown in Fig. 2), the qualified manganese solution in Measuring glass 9 are then transported to corresponding electrolytic cell by throttle pipe 11 and flexible pipe
13, realize that electrolytic cell 13 is quantitative, fits speed and supplement qualified manganese solution, can be automatic once again after the liquid output in Measuring glass 9
Qualifying liquid delivery pump 27 is opened, carries out upper liquid once again and supply, and realizes that floating drum 1 moves up and down with electric brush 10, scrubs throttling
Pipe 11, ensure unimpeded.
Electrolytic cell 13 is common diaphragm electrolytic cell, increases catholyte overfall 18 newly in the design and is converged by catholyte
Chute 17 is concentrated, and is conveyed by negative electrode liquid pump 19, through duplex strainer 20 remove trace impurity, then by cooling tower 24 radiate into
Complete to circulate with liquid pool 26, the catholyte that cooling tower 24 can be flowed back with effective temperature-reducing, and largely evaporate its reclaimed water, effectively avoid electricity
The liquid expansion issues of Xie Meng productions.
There is the uniformity of liquid in the holding of agitating paddle 25 pond with liquid pool 26, while manganese ion contains in reasonable analysis liquid in good time
Amount, then existed by the UNICOM's high concentration manganese solution feed coefficient 23 of high concentration manganese solution electromagnetic valve 28, holding with liquid pool manganese ion content
Moderate scope.
Though electrolytic cell 13 has barrier film isolation, due to law of connected vessels, the liquid level of the anode chamber and the cathode chamber is consistent.Newly-increased anode
Hydrorrhea flow control plate 31 and catholyte overflow control panel 32, it can rotate and set the angle of overflow control panel to control yin, yang
The output flow of pole liquid, meet to require.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is any to be familiar with sheet
The technical staff in field, in the case where not departing from technical solution of the present invention scope, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, it is all
It is the content without departing from technical solution of the present invention, any is simply repaiied to made for any of the above embodiments according to the technology of the present invention essence
Change, equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (2)
1. a kind of electrolytic manganese fluid infusion system, including knockout, it is characterised in that：Match somebody with somebody liquid through return flow solenoid valve connection in knockout bottom
Pond, agitating paddle is provided with liquid pool, knockout inlet is connected through qualified manganese solution delivery pump with liquid pool；With liquid pool through high concentration manganese
Solution electromagnetic valve connects high concentration manganese solution feed coefficient；There is floating drum in knockout, there is symmetrical guide pile on floating drum, in knockout
Wall is provided with upper and lower locating piece, and floating drum floats to be limited with declining by upper and lower locating piece；Knockout is fixedly arranged above symmetrical sleeve,
Slide-bar is passed through in sleeve and connects floating drum；Knockout bottom is the side by side configuration of multiple Measuring glasses, is connected below each Measuring glass
One throttle pipe, each throttle pipe lower section are provided with an electrolytic cell；Multiple cleaning rods corresponding with Measuring glass are connected below floating drum；
Electrolytic cell is common the anode chamber and the cathode chamber diaphragm electrolytic cell, and each electric tank cathode room is provided with an overfall, overfall connection
Catholyte collecting tray, catholyte collecting tray match somebody with somebody liquid pool, each electrolytic cell sun through negative electrode liquid pump, duplex strainer, cooling tower connection
Pole room also is provided with an overfall；Catholyte overfall, anolyte overfall are equipped with the overflow control panel of angle rotatable；Institute
State cleaning rod front end and be provided with hairbrush；Hose connection is provided with below the throttle pipe, is supplemented by connection flexible pipe to corresponding electrolytic cell
Qualified manganese solution.
2. electrolytic manganese fluid infusion system according to claim 1, it is characterised in that：The anolyte overfall jointed anode liquid
Collecting tray, anolyte collecting tray is through anode liquid pump jointed anode liquid recovery pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533332.0A CN105002523B (en) | 2015-08-27 | 2015-08-27 | A kind of electrolytic manganese fluid infusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533332.0A CN105002523B (en) | 2015-08-27 | 2015-08-27 | A kind of electrolytic manganese fluid infusion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105002523A CN105002523A (en) | 2015-10-28 |
| CN105002523B true CN105002523B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510533332.0A Expired - Fee Related CN105002523B (en) | 2015-08-27 | 2015-08-27 | A kind of electrolytic manganese fluid infusion system |
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| CN (1) | CN105002523B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108626072B (en) * | 2018-04-02 | 2019-09-27 | 永康市嘉翔电机有限公司 | A kind of wind power plant with battery liquid replenishing function |
| CN114016081A (en) * | 2021-11-08 | 2022-02-08 | 田世超 | Self-flow type sewage-cleaning flow dividing device for manganese sulfate deep purification liquid |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0692960B2 (en) * | 1984-07-24 | 1994-11-16 | 住友金属工業株式会社 | Method for measuring pH of electric plating solution |
| CN201284503Y (en) * | 2008-09-22 | 2009-08-05 | 谭江涛 | Reclaimed water reclamation plant |
| CN103334150B (en) * | 2013-07-10 | 2016-04-13 | 皆利士多层线路版(中山)有限公司 | Automatic ration add-on system |
| CN104032328B (en) * | 2014-06-04 | 2016-08-31 | 杭州三耐环保科技有限公司 | A kind of environment-friendly and energy-efficient diaphragm electrolysis apparatus |
| CN205035469U (en) * | 2015-08-27 | 2016-02-17 | 吉首大学 | Electrolytic manganese fluid infusion system |
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2015
- 2015-08-27 CN CN201510533332.0A patent/CN105002523B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN105002523A (en) | 2015-10-28 |
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Effective date of registration: 20170718 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Applicant after: Guangdong Gaohang Intellectual Property Operation Co., Ltd. Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Applicant before: Jishou University |
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Inventor after: Chen Jinlan Inventor before: Yao Maojun Inventor before: Yin Yongzhong Inventor before: Xiang Yuxin |
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Effective date of registration: 20170929 Address after: Luoyang Huian County town of Fujian city in Quanzhou Province, 362400 villages around Yunzhuang No. 240 Applicant after: Chen Jinlan Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Applicant before: Guangdong Gaohang Intellectual Property Operation Co., Ltd. |
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Effective date of registration: 20181127 Address after: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee after: Huzhou You Yan Intellectual Property Service Co., Ltd. Address before: 362400 Yunzhuang Village, Luoyang Town, Huian County, Quanzhou City, Fujian Province Patentee before: Chen Jinlan |
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Effective date of registration: 20190327 Address after: 419300 Yuanshui Village, Shunshuiwan Township, Xupu County, Huaihua City, Hunan Province Patentee after: Xupu Jianglong Manganese Industry Co., Ltd. Address before: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee before: Huzhou You Yan Intellectual Property Service Co., Ltd. |
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Granted publication date: 20171212 Termination date: 20200827 |
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