CN205774224U - A kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant - Google Patents
A kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant Download PDFInfo
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- CN205774224U CN205774224U CN201620506605.2U CN201620506605U CN205774224U CN 205774224 U CN205774224 U CN 205774224U CN 201620506605 U CN201620506605 U CN 201620506605U CN 205774224 U CN205774224 U CN 205774224U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant, including coating machine, heat exchanger, runner, essence steams equipment for purifying, waste liquid tank, a number solution feed pump, it is characterized in that: described heat exchanger includes heat exchanger high temperature inlet, heat exchanger low-temperature outlet, heat exchanger dry air entrance, heat exchanger dry air exports, about described coating machine, two sides are provided with coater head, coating tail, described coating machine is arranged over exhaust duct, exhaust duct connects exhaust blower, exhaust blower connects heat exchanger high temperature inlet by exhaust duct, air supply duct it is provided with below coating machine.This utility model is for adsorbing the NMP waste gas discharged in coating lithium ion cell production process, and utilize condenser that the NMP in waste gas is become liquids recovery cycling and reutilization, the surge tank being provided with between aluminum fin-plate type condenser and cooler, the purpose concentrated can be reached, making NMP concentration high, purification rate is high.
Description
Technical field
This utility model relates to waste gas recovery technical field, particularly relates to a kind of NMP in working procedure of coating lithium ion cell and reclaims essence steaming purifying plant.
Background technology
N-Methyl pyrrolidone (NMP) is colourless transparent liquid, boiling point 202 DEG C, and flash-point 95 DEG C is water-miscible, is dissolved in ether, acetone and various organic solvent, slightly ammonia taste, stable chemical performance, does not corrodes carbon steel, aluminum, to copper slightly corrosivity.There is viscosity low, chemical stability and Heat stability is good, polarity is high, and volatility is low, can be the most miscible with water and many organic solvents etc. advantage.
At lithium battery production field, anode sizing agent typically uses NMP liquid flux, the size of its utilization rate is each battery production manufacturer cardinal task of interest, when a collection of anode sizing agent has designed and has produced coating, traditional method is that the method using high-temperature heating removes nmp solvent (temperature 120 DEG C, time 4min).NMP loses in gaseous form, whole during consume substantial amounts of nmp solvent, be also wasted with the nmp solvent of gas evaporation.Meanwhile, pole is unfavorable for energy-conserving and environment-protective.
At present, during nmp solvent essence is steamed and purified, being usually the liquid reclaimed with intensification Guan Tongxu and mix, after intensification, NMP gas volatilizees together with water vapour, and such NMP loss is big, and concentration is low, and quantity of steam loss is big.
Summary of the invention
This utility model provides a kind of NMP in working procedure of coating lithium ion cell to reclaim essence steaming purifying plant, for adsorbing the NMP waste gas discharged in coating lithium ion cell production process, and utilizes aluminum fin-plate type condenser that the NMP in waste gas is become liquids recovery cycling and reutilization；The hot-air simultaneously discharged coating machine carries out heat exchange and reaches the purpose of recuperation of heat, improves energy utilization efficiency；Aluminum fin-plate type condenser and cooler can carry out twice condensation so that NMP organic efficiency is high, the surge tank being provided with between aluminum fin-plate type condenser and cooler, can reach the purpose concentrated so that NMP concentration is high, and purification rate is high.
nullThe technical solution of the utility model is: a kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant，Including coating machine、Heat exchanger、Runner、Essence steams equipment for purifying、Waste liquid tank、A number solution feed pump，It is characterized in that: described heat exchanger includes heat exchanger high temperature inlet、Heat exchanger low-temperature outlet、Heat exchanger dry air entrance、Heat exchanger dry air exports，About described coating machine, two sides are provided with coater head、Coating tail，Described coating machine is arranged over exhaust duct，Exhaust duct connects exhaust blower，Exhaust blower connects heat exchanger high temperature inlet by exhaust duct，Air supply duct it is provided with below coating machine，Air supply duct connects breeze fan，Breeze fan connects heat exchanger dry air by air supply duct and exports，Described runner is provided with adsorption zone、Desorption district and waste heat recovery district，Described adsorption zone the right and left is respectively arranged with organic solvent and enters adsorption zone pipeline、Pure air pipeline，Enter adsorption zone pipeline by organic solvent to be linked in sequence filter、Secondary surface cooler、First-surface cooler、Heat exchanger low-temperature outlet，It is linked in sequence circulating fan by pure air pipeline、Heat exchanger dry air entrance，Described desorption district the right and left is respectively arranged with concentration blower fan and electric heater，Concentrate blower fan and go out to be desorbed connection desorption district, pipeline one end, district by regeneration air，The other end connects heat exchanger low-temperature outlet，Described waste heat recovery district the right and left is respectively arranged with regeneration air and enters waste heat recovery district pipeline and regeneration air goes out waste heat recovery district pipeline，Regeneration air goes out waste heat recovery district pipeline and connects electric heater，Electric heater enters to be desorbed district's pipeline by regeneration air and connects desorption district，It is connected between filter with adsorption zone and has regeneration air to enter waste heat recovery district pipeline，Filter、Secondary surface cooler、First-surface cooler is connected with waste liquid tank by fluid-through tube road，Described essence is steamed equipment for purifying and is included tower reactor and tower body，Described tower reactor and tower body one connect，Described tower reactor one end is provided with steam inlet，Described tower reactor is provided with thermometer boss，The described tower reactor other end has dilute nmp solution import，Described dilute nmp solution import is connected with dilute nmp solution high position storage tank by pipeline，Described tower body top is provided with steam (vapor) outlet，Described tower body top side is provided with refluxing opening，Described steam (vapor) outlet leads to aluminum fin-plate type condenser，Condensate outlet and nmp solution outlet it is provided with bottom described aluminum fin-plate type condenser，Surge tank is led in described condensate outlet and nmp solution outlet，It is connected with cooler bottom described surge tank，The outlet of dense nmp solution it is provided with bottom described cooler，The outlet of described dense nmp solution is connected with finished pot，Described surge tank side has condensing tube，Described condensing tube connects with refluxing opening，Described tower reactor is provided with Pressure gauge，Described tower body is provided with maintenance ladder，The outlet of described dense nmp solution is provided with diverter，Waste liquid tank and a solution feed pump connect，A number solution feed pump is connected with dilute nmp solution high position storage tank.
The beneficial effects of the utility model are: this utility model provides a kind of NMP in working procedure of coating lithium ion cell to reclaim essence steaming purifying plant, for adsorbing the NMP waste gas discharged in coating lithium ion cell production process, and utilize aluminum fin-plate type condenser that the NMP in waste gas is become liquids recovery cycling and reutilization；The hot-air simultaneously discharged coating machine carries out heat exchange and reaches the purpose of recuperation of heat, improves energy utilization efficiency；Aluminum fin-plate type condenser and cooler can carry out twice condensation so that NMP organic efficiency is high, the surge tank being provided with between aluminum fin-plate type condenser and cooler, can reach the purpose concentrated so that NMP concentration is high, and purification rate is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram that in Fig. 1, part 5 essence steams equipment for purifying.
nullFig. 1、In Fig. 2: 1. coating machine，2. breeze fan，3. exhaust blower，4. heat exchanger，5. essence steams equipment for purifying，6. desorption district，7. runner，8. waste heat recovery district，9. adsorption zone，10. first-surface cooler，11. secondary surface coolers，12. filters，13. regeneration airs enter waste heat recovery district pipeline，14. organic solvents enter adsorption zone pipeline，15. pure air pipelines，16. electric heaters，17. circulating fans，18. waste liquid tanks，19. regeneration airs go out waste heat recovery district pipeline，20. exhaust ducts，21. air supply ducts，22. regeneration airs enter to be desorbed district's pipeline，23. regeneration airs go out to be desorbed district's pipeline，24. coater head，25. coating tails，26. concentrate blower fan，No. 27. solution feed pumps，41. heat exchanger high temperature inlet，42. heat exchanger low-temperature outlet，43. heat exchanger dry air entrances，44. heat exchanger dry air outlets，501. tower reactor，502. tower body，503. maintenance ladder，504. steam inlet，505. thermometer boss，506. dilute nmp solution imports，507. pipeline，508. dilute nmp solution high position storage tanks，509. steam (vapor) outlet，510. refluxing opening，511. aluminum fin-plate type condensers，512. condensate outlet，513.NMP taphole，514. surge tank，515. cooler，516. dense nmp solution outlets，517. finished pot，518. condensing tube，519. diverter，520. Pressure gauge.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
nullSuch as Fig. 1、Shown in Fig. 2，This utility model is that a kind of NMP in working procedure of coating lithium ion cell reclaims essence steaming purifying plant，Including coating machine 1、Heat exchanger 4、Runner 7、Essence steams equipment for purifying 5、Waste liquid tank 18、A number solution feed pump 27，It is characterized in that: described heat exchanger 4 includes heat exchanger high temperature inlet 41、Heat exchanger low-temperature outlet 42、Heat exchanger dry air entrance 43、Heat exchanger dry air outlet 44，Described coating machine about 1 two side is provided with coater head 24、Coating tail 25，Described coating machine 1 is arranged over exhaust duct 20，Exhaust duct 20 connects exhaust blower 3，Exhaust blower 3 connects heat exchanger high temperature inlet 41 by exhaust duct 20，Air supply duct 21 it is provided with below coating machine 1，Air supply duct 21 connects breeze fan 2，Breeze fan 2 connects heat exchanger dry air outlet 44 by air supply duct 21，Described runner 7 is provided with adsorption zone 9、Desorption district 6 and waste heat recovery district 8，Described adsorption zone 9 the right and left is respectively arranged with organic solvent and enters adsorption zone pipeline 14、Pure air pipeline 15，Enter adsorption zone pipeline 14 by organic solvent to be linked in sequence filter 12、Secondary surface cooler 11、First-surface cooler 10、Heat exchanger low-temperature outlet 42，It is linked in sequence circulating fan 17 by pure air pipeline 15、Heat exchanger dry air entrance 43，Described desorption district 6 the right and left is respectively arranged with concentration blower fan 26 and electric heater 16，Concentrate blower fan 26 and go out to be desorbed connection desorption district 6, district's pipeline 23 one end by regeneration air，The other end connects heat exchanger low-temperature outlet 42，Described waste heat recovery district 8 the right and left is respectively arranged with regeneration air and enters waste heat recovery district pipeline 13 and regeneration air goes out waste heat recovery district pipeline 19，Regeneration air goes out waste heat recovery district pipeline 19 and connects electric heater 16，Electric heater 16 enters to be desorbed district's pipeline 22 by regeneration air and connects desorption district 6，It is connected between filter 12 with adsorption zone 9 and has regeneration air to enter waste heat recovery district pipeline 13，Filter 12、Secondary surface cooler 11、First-surface cooler 10 is connected with waste liquid tank 18 by fluid-through tube road，Described essence is steamed equipment for purifying 5 and is included tower reactor 501 and tower body 502，Described tower reactor 501 and tower body 502 one connect，Described tower reactor 501 one end is provided with steam inlet 504，Described tower reactor 501 is provided with thermometer boss 505，Described tower reactor 501 other end has dilute nmp solution import 506，Described dilute nmp solution import 506 is connected with dilute nmp solution high position storage tank 508 by pipeline 507，Described tower body 502 top is provided with steam (vapor) outlet 509，Described tower body 502 top side is provided with refluxing opening 510，Described steam (vapor) outlet 509 leads to aluminum fin-plate type condenser 511，Condensate outlet 512 and nmp solution outlet 513 it is provided with bottom described aluminum fin-plate type condenser 511，Surge tank 514 is led in described condensate outlet 512 and nmp solution outlet 513，It is connected with cooler 515 bottom described surge tank 514，Dense nmp solution outlet 516 it is provided with bottom described cooler 515，Described dense nmp solution outlet 516 is connected with finished pot 517，Described surge tank 514 side has condensing tube 518，Described condensing tube 518 connects with refluxing opening 510，Described tower reactor 501 is provided with Pressure gauge 520，Described tower body 502 is provided with maintenance ladder 503，Described dense nmp solution outlet 516 is provided with diverter 519，Waste liquid tank 18 is connected with a solution feed pump 27，A number solution feed pump 27 is connected with dilute nmp solution high position storage tank 508.
The exit of filter 12 forms two-way wind path, absorption wind path is entered adsorption zone pipeline 14 by organic solvent and mixing air blows to adsorption zone 9, is delivered to heat exchanger dry air entrance 43 by pure air pipeline 15 by circulating fan 17 again by the dry air of adsorption zone 9；
Desorption wind path is entered waste heat recovery district pipeline 13 by regeneration air and delivers to waste heat recovery district 8, go out waste heat recovery district pipeline 19 by regeneration air again to deliver to electric heater 16 and heat, then blow to desorption district 6, go out to be desorbed district's pipeline 23 by regeneration air and blow to heat exchanger low-temperature outlet 42；
Rotation direction at runner 7, it is from upstream to downstream and sets gradually adsorption zone 9, desorption district 6 and waste heat recovery district 8, by above-mentioned setting, in desorption district 6 after runner 7 part that electric heater 16 heats forwards waste heat recovery district 8 to, the wind that desorption wind path blows first passes through waste heat recovery district 8 again through electric heater 16, so that the amount of residual heat of waste heat recovery district 8 part can be reused, improve energy utilization efficiency.
Work process of the present utility model:
(the air quantity 10000m when the exhaust blower 3 of coating machine 1 starts and sends the waste gas hot blast containing NMP3/ h, temperature 100 DEG C, concentration 1000mg/m containing NMP3), start retracting device circulating fan 17, cold wind (the air quantity 18000m of circulating fan 173/ h, temperature 25 DEG C, concentration 50mg/m containing NMP3), enter heat exchanger 4；Waste gas hot blast containing NMP initially enters the cold wind of heat exchanger 4 and circulating fan 17 and carries out heat exchange, makes the waste gas heat air temperature containing NMP reduce (air quantity 10000m3/ h, temperature 76 DEG C, concentration 1000mg/m containing NMP3), with waste gas (the air quantity 2600m containing NMP from concentration blower fan 263/ h, temperature 55 DEG C, concentration 3000mg/m containing NMP3) mixing, contain waste gas (the air quantity 12600m of NMP after mixing3/ h, temperature 68 DEG C, concentration 1350mg/m containing NMP3), heat exchange is carried out with recirculated water subsequently into first-surface cooler 10, secondary surface cooler 11, substantial amounts of NMP curding out is had in first-surface cooler 10, secondary surface cooler 11 the two part, after condensing into liquid, enter waste liquid tank 18, make the waste gas heat air temperature containing NMP reduce (air quantity 12600m3/ h, temperature 20 DEG C, concentration 500mg/m containing NMP3)；Filter through filter 12 again, go the removal of impurity；
A most remaining tail gas part (the air quantity 10000m containing NMP3/ h, temperature 20 DEG C, concentration 500mg/m containing NMP3) enter adsorption zone 9, need gas to be processed to become the gas of relative clean after adsorption zone 9 is flow through containing organic solvent, in the gas after process, the content of organic solvent reduces (air quantity 18000m3/ h, temperature 25 DEG C, concentration 50mg/m containing NMP3) enter heat exchanger dry air entrance 43 by circulating fan 17；
Another part (air quantity 2600m3/ h, temperature 20 DEG C, concentration 500mg/m containing NMP3) enter waste heat recovery district 8, absorb waste heat, then heat (air quantity 2600m through electric heater 163/ h, temperature 140 DEG C) enter desorption district 6, flow through from the desorption district 6 of runner 7, owing to the desorption district 6 of runner 7 is reproduced air heating, the organic solvent evaporation in desorption district 6 out takes away (air quantity 2600m with regeneration air3/ h, temperature 55 DEG C, concentration 3000mg/m containing NMP3) with waste gas (the air quantity 10000m containing NMP carrying out automatic heat-exchanger 43/ h, temperature 76 DEG C, concentration 1000mg/m containing NMP3) it is mixed into first-surface cooler 10, secondary surface cooler 11, there is substantial amounts of NMP curding out, circulate and so forth.
Aluminum fin-plate type condenser 511 and cooler 515 can carry out twice condensation so that NMP organic efficiency is high, the surge tank 514 being provided with between aluminum fin-plate type condenser 511 and cooler 515, can reach the purpose concentrated so that NMP concentration is high, and purification rate is high.
As can be seen here, this utility model provides a kind of NMP in working procedure of coating lithium ion cell to reclaim essence steaming purifying plant, for adsorbing the NMP waste gas discharged in coating lithium ion cell production process, and utilize aluminum fin-plate type condenser that the NMP in waste gas is become liquids recovery cycling and reutilization；The hot-air simultaneously discharged coating machine carries out heat exchange and reaches the purpose of recuperation of heat, improves energy utilization efficiency；Aluminum fin-plate type condenser and cooler can carry out twice condensation so that NMP organic efficiency is high, the surge tank being provided with between aluminum fin-plate type condenser and cooler, can reach the purpose concentrated so that NMP concentration is high, and purification rate is high.
Claims (1)
1. NMP in working procedure of coating lithium ion cell reclaims an essence steaming purifying plant, including coating machine, heat exchange
Device, runner, essence steam equipment for purifying, waste liquid tank, a solution feed pump, it is characterised in that: described heat exchanger
Including heat exchanger high temperature inlet, heat exchanger low-temperature outlet, heat exchanger dry air entrance, heat exchanger
Dry air exports, and about described coating machine, two sides are provided with coater head, coating tail, above described coating machine
Being provided with exhaust duct, exhaust duct connects exhaust blower, and exhaust blower connects heat exchanger high temperature by exhaust duct
Entrance, is provided with air supply duct below coating machine, air supply duct connects breeze fan, and breeze fan is by air-supply
Pipeline connects the outlet of heat exchanger dry air, and described runner is provided with adsorption zone, desorption district and waste heat recovery district,
Described adsorption zone the right and left is respectively arranged with organic solvent and enters adsorption zone pipeline, pure air pipeline, passes through
Organic solvent enter adsorption zone pipeline be linked in sequence filter, secondary surface cooler, first-surface cooler,
Heat exchanger low-temperature outlet, is entered by be linked in sequence circulating fan, heat exchanger dry air of pure air pipeline
Mouthful, described desorption district the right and left is respectively arranged with concentration blower fan and electric heater, concentrates blower fan by regeneration
Air goes out to be desorbed pipeline one end, district and connects desorption district, and the other end connects heat exchanger low-temperature outlet, described waste heat
Recovery area the right and left is respectively arranged with regeneration air and enters waste heat recovery district pipeline and regeneration air goes out waste heat recovery
District's pipeline, regeneration air goes out waste heat recovery district pipeline and connects electric heater, and electric heater is entered by regeneration air
Desorption district pipeline connects desorption district, is connected and has regeneration air to enter waste heat recovery district pipe between filter with adsorption zone
Road, filter, secondary surface cooler, first-surface cooler be connected with waste liquid tank by fluid-through tube road,
Described essence is steamed equipment for purifying and is included that tower reactor and tower body, described tower reactor and tower body one connect, described tower reactor one end
Being provided with steam inlet, described tower reactor is provided with thermometer boss, and the described tower reactor other end has dilute nmp solution
Import, described dilute nmp solution import is connected with dilute nmp solution high position storage tank by pipeline, described tower body top
Portion is provided with steam (vapor) outlet, and described tower body top side is provided with refluxing opening, and described steam (vapor) outlet leads to aluminum fin-plate type
Condenser, is provided with condensate outlet and nmp solution outlet, described condensation bottom described aluminum fin-plate type condenser
Surge tank is led in liquid outlet and nmp solution outlet, is connected with cooler, described cooling bottom described surge tank
Being provided with the outlet of dense nmp solution bottom device, the outlet of described dense nmp solution is connected with finished pot, described surge tank
Side has condensing tube, and described condensing tube connects with refluxing opening, and described tower reactor is provided with Pressure gauge, described tower
Body is provided with maintenance ladder, and the outlet of described dense nmp solution is provided with diverter, waste liquid tank and a solution feed pump even
Connecing, a solution feed pump is connected with dilute nmp solution high position storage tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620506605.2U CN205774224U (en) | 2016-05-19 | 2016-05-19 | A kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant |
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| CN201620506605.2U CN205774224U (en) | 2016-05-19 | 2016-05-19 | A kind of NMP in working procedure of coating lithium ion cell reclaims essence and steams purifying plant |
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| CN205774224U true CN205774224U (en) | 2016-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803319A (en) * | 2017-11-13 | 2018-03-16 | 林州朗坤科技有限公司 | A kind of NMP recovery purification systems and its recovery method of purification |
| CN110355072A (en) * | 2019-08-09 | 2019-10-22 | 天津市瑞通恒达环保技术有限公司 | A kind of circulating NMP recovery system of return air and its operation method |
| CN114254714A (en) * | 2022-02-28 | 2022-03-29 | 东莞市鹏锦机械科技有限公司 | Efficient NMP recovery method, system and computer-readable storage medium |
| WO2022096049A1 (en) * | 2020-11-04 | 2022-05-12 | Maintech System Gmbh | Cleaning device, use and method for cleaning |
-
2016
- 2016-05-19 CN CN201620506605.2U patent/CN205774224U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803319A (en) * | 2017-11-13 | 2018-03-16 | 林州朗坤科技有限公司 | A kind of NMP recovery purification systems and its recovery method of purification |
| CN110355072A (en) * | 2019-08-09 | 2019-10-22 | 天津市瑞通恒达环保技术有限公司 | A kind of circulating NMP recovery system of return air and its operation method |
| WO2022096049A1 (en) * | 2020-11-04 | 2022-05-12 | Maintech System Gmbh | Cleaning device, use and method for cleaning |
| CN114254714A (en) * | 2022-02-28 | 2022-03-29 | 东莞市鹏锦机械科技有限公司 | Efficient NMP recovery method, system and computer-readable storage medium |
| CN114254714B (en) * | 2022-02-28 | 2022-04-29 | 东莞市鹏锦机械科技有限公司 | Efficient NMP recovery method, system and computer-readable storage medium |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171030 Address after: 214151 Jiangsu province Wuxi city Huishan District Qian Qiao Street Su Village (industrial concentration area) Patentee after: Wuxi Aobo Purification & Desiccant Air Conditioner Co., Ltd. Address before: 214021 South The Strip, Wuxi, Jiangsu Province, No. 705 Patentee before: Zhang Jiangang |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214151 Su Miao village, Qian Qiao street, Huishan District, Wuxi, Jiangsu (industrial concentration area) Patentee after: Opo Environmental New Energy (Wuxi) Co., Ltd. Address before: 214151 Su Miao village, Qian Qiao street, Huishan District, Wuxi, Jiangsu (industrial concentration area) Patentee before: Wuxi Aobo Purification & Desiccant Air Conditioner Co., Ltd. |