CN202741224U - Movable type vehicle-mounted comprehensive processing equipment of waste circuit board after primary disassembling - Google Patents
Movable type vehicle-mounted comprehensive processing equipment of waste circuit board after primary disassembling Download PDFInfo
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- CN202741224U CN202741224U CN 201220359950 CN201220359950U CN202741224U CN 202741224 U CN202741224 U CN 202741224U CN 201220359950 CN201220359950 CN 201220359950 CN 201220359950 U CN201220359950 U CN 201220359950U CN 202741224 U CN202741224 U CN 202741224U
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Abstract
Movable type vehicle-mounted comprehensive processing equipment of a waste circuit board after primary disassembling comprises a standard container (10) which can be placed on a tractor at any time and change a standing position, and a full set of waste circuit board disassembling comprehensive processing equipment installed in the container (10). The equipment comprises a coarse crusher (20), a belt conveyor (30), a grinder (50), a vibrating screen classifier (70), an electrostatic separator (100) and a cloth bag type dust remover (110). The bottom end of the coarse crusher (20) is connected with the cloth bag type dust remover (110), and the top of the coarse crusher (20) is sequentially connected with the belt conveyor (30), the grinder (50), the vibrating screen classifier (70), the electrostatic separator (100) and the cloth bag type dust remover (110). The movable type vehicle-mounted comprehensive processing equipment has the advantages of integration, a high automation degree, little occupied space, convenient moving, high recovery efficiency, simple operation and low cost.
Description
Technical field
The utility model relates to the electronic waste treatment facility, relates in particular to the mechanical-physical treatment facility of salvage material from useless circuit board, particularly relates to the mobile vehicle-mounted comprehensive treatment equipment after useless circuit board is tentatively disassembled.
Background technology
The key of electronic waste environmental pollution control and recycling treatment thereof is innovation and the research and development of electronic waste treatment facility.City or zone little and that comparatively disperse in the E-Waste recycling amount are difficult to the large-scale complete treatment facility of investment construction at present.Take Macao Special Administrative Region as example, its geographic range is narrow and small, lacks the space of Technique Popularizing, therefore requires higher to the integrated degree of prior art device therefor.
The waste and old object of electronics is disassembled a large amount of useless circuit board PCBs of generation in the processing procedure, support plate on it and welding component highly dense, the metallic copper iron that content is higher etc. is the simple substance attitude therein, these features are indicating that reclaiming by mechanical-physical will be the method for comparison environmental protection, namely process by fragmentation and multipass sort, can obtain the enrich body of various materials, make the indexs such as its concentration, performance reach certain standard through follow-up refining treatment and just can again come into operation.And the comprehensive recycling equipment of the useless circuit board of prior art exists and the weak point such as can not arbitrarily move, floor space is large, the investment operating cost is high and treatment effeciency is low.
The utility model content
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and mobile vehicle-mounted comprehensive treatment equipment after a kind of useless circuit board is tentatively disassembled is provided, for the city or regional level electronic waste amount is little and the actual conditions of disperseing, the useless comprehensive recycling equipment of circuit board of prior art is reconfigured, form a kind of integrated, automaticity is high, take up room little, convenient resettlement, organic efficiency is high, comprehensive recycling equipment simple to operate and with low cost, the coarse crushing of the useless circuit board after its collection is disassembled, magnetic separation, pulverize, screening, multistage pneumatic separation, electrostatic separation and sack cleaner are in one, mainly be applicable to electronic waste generation less, and the outstanding area of electronic waste problem.
The technical scheme that the utility model solve the technical problem employing is:
Design the mobile vehicle-mounted comprehensive treatment equipment after a kind of useless circuit board is tentatively disassembled, comprise to place at any time and change the TEU (Twenty-foot Equivalent Unit) that leaves standstill the place on the tractor and be installed on a whole set of interior useless circuit board disassembling composite treatment facility of this container; Described equipment comprises boulder crusher, belt conveyor, pulverizer, vibrating screen classifier, electrostatic separator and fiber bag precipitator; The bottom of described boulder crusher links to each other with described fiber bag precipitator, and the top connects belt conveyor, pulverizer, vibrating screen classifier, electrostatic separator and fiber bag precipitator successively; Each equipment base section is all with the assigned address of ditch screw in beam is fixed on described container.
Described equipment also comprises horizontal conveyer, elevator, analyzer, the first cyclone separator and the second cyclone separator; One end of described horizontal conveyer, elevator links to each other with described vibrating screen classifier, the other end links to each other with described analyzer, and an end of described analyzer links to each other with described pulverizer, the other end connects described the first cyclone separator and described fiber bag precipitator successively, described the second cyclone separator is installed in the top of described electrostatic separator, links to each other with described fiber bag precipitator with described vibrating screen classifier respectively again.
Described equipment also comprises magnetic separator, is suspended at top, described belt conveyor middle part.
Between each equipment partition wall is set in the described TEU (Twenty-foot Equivalent Unit), is equipped with on this partition wall for the windowpane of observing each equipment operation condition.
Be separately installed with the draft fan of being convenient to circulation of air on the two ends tank wall of described container.
Described container inner top also is equipped with the fluorescent lamp for night work.
Also be provided with the window for daylighting and each equipment operation situation of observation internal container on the tank wall of described container.
Monitoring system for each equipment operation condition of monitoring is installed in the described container.
Compare with prior art, the beneficial effect of the mobile vehicle-mounted comprehensive treatment equipment after the useless circuit board of the utility model is tentatively disassembled is:
1, complete equipment places in the TEU (Twenty-foot Equivalent Unit), and convenient removal is set up partition wall between each concrete equipment, can reduce noise, reduces simultaneously sending out of dust, and the cleaning at retentive control panel place;
2, complete equipment can be realized the effective separation of copper metal powder end, non-metal powder and iron in the useless circuit board, thereby obtains highly purified metal and non-metallic material.
Description of drawings
Fig. 1 is the main schematic diagram of looking of the general layout of mobile vehicle-mounted comprehensive treatment equipment in TEU (Twenty-foot Equivalent Unit) after the useless circuit board of the utility model is tentatively disassembled;
Fig. 2 is the schematic top plan view of Fig. 1.
The specific embodiment
Below in conjunction with Fig. 1 and Fig. 2 content of the present utility model is described in further detail.
Mobile vehicle-mounted comprehensive treatment equipment after a kind of useless circuit board is tentatively disassembled comprises placing at any time and changes the TEU (Twenty-foot Equivalent Unit) 10 that leaves standstill the place and a whole set of the useless circuit board disassembling composite treatment facility that is installed in this container 10 on the tractor; Described equipment comprises boulder crusher 20, belt conveyor 30, pulverizer 50, vibrating screen classifier 70, electrostatic separator 100 and fiber bag precipitator 110; The bottom of described boulder crusher 20 links to each other with described fiber bag precipitator 110, and the top connects belt conveyor 30, pulverizer 50, vibrating screen classifier 70, electrostatic separator 100 and fiber bag precipitator 110 successively; Each equipment base section is all with the assigned address of ditch screw in beam is fixed on described container 10.
Described equipment also comprises horizontal conveyer, elevator 60, analyzer 80, the first cyclone separator 90 and the second cyclone separator 91; One end of described horizontal conveyer, elevator 60 links to each other with described vibrating screen classifier 70, the other end links to each other with described analyzer 80, and an end of described analyzer 80 links to each other with described pulverizer 50, the other end connects described the first cyclone separator 90 and described fiber bag precipitator 110 successively, described the second cyclone separator 91 is installed in the top of described electrostatic separator 100, links to each other with described fiber bag precipitator 110 with described vibrating screen classifier 70 respectively again.
Described equipment also comprises magnetic separator 40, is suspended at top, described belt conveyor 30 middle parts.
Between each equipment partition wall is set in the described TEU (Twenty-foot Equivalent Unit) 10, is equipped with on this partition wall for the windowpane of observing each equipment operation condition.
Be separately installed with the draft fan of being convenient to circulation of air on the two ends tank wall of described container 10.
Described container 10 inner tops also are equipped with the fluorescent lamp for night work.
Also be provided with the window for daylighting and each equipment operation situation of observation internal container on the tank wall of described container 10.
Monitoring system for each equipment operation condition of monitoring is installed in the described container 10.
Mobile vehicle-mounted comprehensive treatment equipment after the useless circuit board of the utility model is tentatively disassembled, the coarse crushing of collector plate, magnetic separation, pulverizing, screening, multistage pneumatic separation, electrostatic separation and bag-type dust are in one, can finish useless circuit board environmental friendliness processes, realize copper metal powder end, non-metal powder and iron effective separation, the taste of copper has surpassed 90% in the metal dust.Useless circuit board after the coarse crushing is through belt conveyor, the separable ferrous metal part wherein of magnetic separator.Material after the pulverizing is device and screening machine by analysis, has guaranteed the degree of crushing of material; And multistage aidr bells blast system not only can make material further separate according to its density variation, and non-metallic material enters sack cleaner, reduces the pressure of electrostatic separation.Complete equipment carries the negative pressure extractor fan, has reduced the generation of indoor dust.
A whole set of useless circuit board disassembling composite treatment facility places TEU (Twenty-foot Equivalent Unit), the integration of equipments high concentration, resettlement is convenient, simple to operate, flexible, take up room little, equipment investment is low, the resource degree is high, mainly is applicable to electronic waste generation less, and the outstanding area of electronic waste problem.
Each key equipment is by driving motor supplies power in the complete equipment; Useless circuit board is finished coarse crushing by disintegrating machine, and magnetic separation system mainly is comprised of belt conveyor and drum-type magnetic separator; The system that crushes and screens mainly comprises the equipment such as pulverizer and vibrating screen classifier; The multistage pneumatic separation system comprises that the equipment such as horizontal conveyer, elevator, analyzer and cyclopneumatic separator form; Electrostatic sorting machine is mainly by high pressure electrostatic separator and input power controlling composition; Dust pelletizing system is moved in a whole set for the treatment of system negative pressure in addition, and the dust waste gas that contains of collection is processed through fiber bag precipitator.
Useless circuit board disintegrating machine provides direct driving force by drive motors, mainly contain the material that useless circuit board after boulder crusher will tentatively be disassembled is broken into 3-10cm, then pass through belt conveyor and the drum-type magnetic separator place of separation ferrous metal wherein, after enter pulverizer, be crushed to below the 1mm.
The multistage pneumatic separation system provides direct driving force by drive motors, comprises that the equipment such as horizontal conveyer, elevator, analyzer and cyclopneumatic separator form.Material after the pulverizing is through the one-level cyclopneumatic separator, regulating control light matter material by analyzer directly separates, the containing metal material enters screening machine by horizontal conveyer and elevator, thick material comes back to pulverizer, thin material carries out the secondary cyclonic separation, light material enters fiber bag precipitator, and the containing metal material enters electrostatic sorting machine.
Electrostatic sorting machine comprises that mainly high pressure electrostatic separator and input control power supply form, and regulates input supply voltage 120v, and control charging rate and drum barrel rotating speed are divided into metal part, non-metallic part and intermediate material with material.The cloth-bag type dust pelletizing system utilizes pipe negative pressure to be collected in the waste gas that contains dust that produces in crushing system, the multipass sort system, and waste gas is through emptying behind the bag-type dust.
Capital equipment extremely technological parameter is as follows:
| Sequence number | Device name | Major parameter |
| 1 | Vibrating screen classifier | Drive motors: vibrating motor; Model: YZ95-4; Rotating speed: 1500r/min; Voltage: 380V/50Hz; Power: 0.25kW * 2; Disposal ability:〉0.5t/h; Amplitude: 3～5mm; Effective width: 670mm; Appearance and size: 1150mm * 850mm * 1030mm |
| 2 | Belt conveyor | Drive motors: electronic roller; Voltage: 380V/50Hz; Power: 1.5kW; Conveying capacity:〉0.5t/h; Transporting velocity: 30m/min; Belt width: 750mm; Effective width: 650mm; Appearance and size: 11315mm * 1030mm * 3242mm |
| 3 | Boulder crusher | Drive motors: east Weir; Model: EWKX157-85.9-Y-11KW/4-M3, EWKX157-77.7-Y-11KW/4-M3; Voltage: 380V/50Hz; Power: 18.5kW * 2; Disposal ability:〉135kg/h |
| 4 | Elevator | Drive motors: ABB motor; Model: M2QA90L4A/M2QA90S4A; Voltage: 380V/50Hz; Power: 1.5 * 2kW/1.1kW; Conveying capacity:〉135kg/h; Appearance and size: 5300mm * 590mm * 240mm |
| 5 | Pulverizer | Drive motors: ABB motor; Model: M2QA200L2B; Rotating speed: 2950r/min; Voltage: 380V/50Hz; Power: 22kW; Disposal ability:〉135kg/h; Appearance and size: 1460mm * 990mm * 1300mm |
| 6 | The drum-type magnetic separator | Model: Y2-71M3-4; Rotating speed: 1380 r/min; Voltage: 380V/50Hz; Power: 0.55kW; Conveying capacity:〉135kg/h |
| 7 | Analyzer | Drive motors: variable-frequency motor; Model: QABP80M4B; Rotating speed: 150～300r/min frequency conversion voltage: 380V/50Hz; Power: 0.75kW; Disposal ability:〉135kg/h; Appearance and size: φ 1000mm * 3600mm |
| 8 | High pressure electrostatic separator | Main drive motor: variable-frequency motor; Model: QABP100L4A; Rotating speed: 50～200r/min frequency conversion; Voltage: 380V/50Hz; Power: 1.5+0.75kw; Blanking motor: variable-frequency motor; Model: QABP80M4B; Rotating speed: 30～100r/min frequency conversion voltage: 380V/50Hz; Power: 0.75KW; Conveying capacity:〉135kg/h; Appearance and size: 2220mm * 2095mm * 2850mm |
| 9 | The 45H container | Inside dimension: 13,500mm * 2,340mm * 2,700mm |
The disintegrating machine discharging enters belt conveyor, 25cm carries magnetic separator on the distance, belt conveyor is terminal to link to each other with pulverizer, passes through the laggard winnowing machine that enters, and bulk materials enters pulverizer, piece material enters elevator, then link to each other with cyclopneumatic separator, light material enters sack cleaner, and heavy material enters electrostatic separator, after the sorting light material by pipeline with link to each other, distribution box is that all devices is powered.In these equipment, boulder crusher, belt feeder, pulverizer, electrostatic separator, sack cleaner are indispensable, and the multilevel winnowing machine of increase, magnetic separator not only can effectively reduce the pressure of subsequent technique, and improve the efficiency of separation.
Through the PCBs behind the cracking and sorting, discharging mainly is divided into four parts-ferrous metal, copper powder, nonmetallic materials and middle material.Middle material is the relative higher material of copper tenor, need one or many to reenter electric separation equipment and carry out copper and separate with nonmetallic, so final products mainly comprises other three kinds.Wherein ferrous metal is to produce in the magnetic separation process; Nonmetallic materials are mainly epoxide resin material, can carry out degree of depth recycling treatment; The copper powder metal of separating is our target product, is that the copper recovery rate is higher than 90wt% greater than 80 wt % according to test copper powder copper content, can be used as the resource product direct marketing.
The plant engineering advantage:
A. adopt multiple stage crushing and aidr bells blast system, not only reduce the load of follow-up electrostatic separation equipment, simultaneously negative pressure work has reduced the dust in the container;
B., monitoring system is installed, but the operation conditions of monitoring equipment;
C. can obtain highly purified metal and non-metallic material;
D. mobile system places in the container, and sets up partition wall, not only is conducive to the transportation transhipment, and can reduces noise, reduces simultaneously the propagation of dust, the cleaning at retentive control panel place.Glass on the partition wall is conducive to the situation of facilities for observation operation.
The technique of the mobile vehicle-mounted comprehensive treatment equipment after the useless circuit board of the utility model is tentatively disassembled may further comprise the steps:
The first step: manually disassemble the metal hardware removed on the PCBs plate and the components and parts of large part by leading portion;
Second step: after carrying out preliminary treatment, carry the PCBs plate material of coming to send into the PCBs plate by belt feeder and manually disassemble, cut the flexible components and parts on the PCBs plate; Deliver to primary mill by conveyer, carry out broken plastic operation coarse crushing to 5cm;
The 3rd step: the material process conveyer belt through coarse crushing, utilize magnetic separator selection iron wherein; Remaining material enters pulverizer and is crushed to 1mm;
The 4th step: the material air after the pulverizing is sent into analyzer, and the materials such as the plastics of lightweight are inhaled into dust pelletizing system; The material that the noble metals such as cupric are heavy is delivered to vibrating screen classifier by elevator, again sends into pulverizer greater than 40 order materials and pulverizes, and sends into high pressure electrostatic separator less than 40 purpose materials;
The 5th step: send into the material of high pressure electrostatic separator, sub-elect nonferrous metal, intermediate material and non-metallic material three parts such as cupric.Copper content 80 % wherein, comprehensive recovery 90%.
Claims (8)
1. the mobile vehicle-mounted comprehensive treatment equipment after a useless circuit board is tentatively disassembled comprises can placing at any time to change on the tractor and leaves standstill the TEU (Twenty-foot Equivalent Unit) (10) in place and be installed on a whole set of interior useless circuit board disassembling composite treatment facility of this container (10); Described equipment comprises boulder crusher (20), belt conveyor (30), pulverizer (50), vibrating screen classifier (70), electrostatic separator (100) and fiber bag precipitator (110); The bottom of described boulder crusher (20) links to each other with described fiber bag precipitator (110), and the top connects belt conveyor (30), pulverizer (50), vibrating screen classifier (70), electrostatic separator (100) and fiber bag precipitator (110) successively; Each equipment base section is all with the assigned address of ditch screw in beam is fixed on described container (10).
2. the mobile vehicle-mounted comprehensive treatment equipment after useless circuit board according to claim 1 is tentatively disassembled is characterized in that:
Described equipment also comprises horizontal conveyer, elevator (60), analyzer (80), the first cyclone separator (90) and the second cyclone separator (91); One end of described horizontal conveyer, elevator (60) links to each other with described vibrating screen classifier (70), the other end links to each other with described analyzer (80), and an end of described analyzer (80) links to each other with described pulverizer (50), the other end connects described the first cyclone separator (90) and described fiber bag precipitator (110) successively, described the second cyclone separator (91) is installed in the top of described electrostatic separator (100), links to each other with described fiber bag precipitator (110) with described vibrating screen classifier (70) respectively again.
3. the mobile vehicle-mounted comprehensive treatment equipment after useless circuit board according to claim 1 is tentatively disassembled is characterized in that:
Described equipment also comprises magnetic separator (40), is suspended at top, described belt conveyor (30) middle part.
4. according to claim 1, the mobile vehicle-mounted comprehensive treatment equipment of 2 or 3 described useless circuit boards after disassembling, it is characterized in that:
Between each equipment partition wall is set in the described TEU (Twenty-foot Equivalent Unit) (10), is equipped with on this partition wall for the windowpane of observing each equipment operation condition.
5. according to claim 1, the mobile vehicle-mounted comprehensive treatment equipment of 2 or 3 described useless circuit boards after tentatively disassembling, it is characterized in that:
Be separately installed with the draft fan of being convenient to circulation of air on the two ends tank wall of described container (10).
6. according to claim 1, the mobile vehicle-mounted comprehensive treatment equipment of 2 or 3 described useless circuit boards after tentatively disassembling, it is characterized in that:
Described container (10) inner top also is equipped with the fluorescent lamp for night work.
7. according to claim 1, the mobile vehicle-mounted comprehensive treatment equipment of 2 or 3 described useless circuit boards after tentatively disassembling, it is characterized in that:
Also be provided with the window for daylighting and each equipment operation situation of observation internal container on the tank wall of described container (10).
8. according to claim 1, the mobile vehicle-mounted comprehensive treatment equipment of 2 or 3 described useless circuit boards after tentatively disassembling, it is characterized in that:
Monitoring system for each equipment operation condition of monitoring is installed in the described container (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359950 CN202741224U (en) | 2012-07-24 | 2012-07-24 | Movable type vehicle-mounted comprehensive processing equipment of waste circuit board after primary disassembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359950 CN202741224U (en) | 2012-07-24 | 2012-07-24 | Movable type vehicle-mounted comprehensive processing equipment of waste circuit board after primary disassembling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741224U true CN202741224U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220359950 Expired - Lifetime CN202741224U (en) | 2012-07-24 | 2012-07-24 | Movable type vehicle-mounted comprehensive processing equipment of waste circuit board after primary disassembling |
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| CN (1) | CN202741224U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750306A (en) * | 2016-04-14 | 2016-07-13 | 国网江苏省电力公司电力科学研究院 | Automatic disassembly system and method for waste single-phase intelligent electric meters |
| CN106423524A (en) * | 2016-11-22 | 2017-02-22 | 河南格林美资源循环有限公司 | Sorting system and method for fragment raw materials of waste automobiles |
| CN113399244A (en) * | 2021-06-30 | 2021-09-17 | 肇庆市大正铝业有限公司 | Be used for recycled aluminum to retrieve preliminary treatment movable polishing screening plant |
| CN114007766A (en) * | 2019-06-27 | 2022-02-01 | 韩国地质资源研究院 | Scrap car residue composite sorting system and composite sorting method using rotary screen |
-
2012
- 2012-07-24 CN CN 201220359950 patent/CN202741224U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750306A (en) * | 2016-04-14 | 2016-07-13 | 国网江苏省电力公司电力科学研究院 | Automatic disassembly system and method for waste single-phase intelligent electric meters |
| CN105750306B (en) * | 2016-04-14 | 2017-12-15 | 国网江苏省电力公司电力科学研究院 | Waste and old single-phase intelligent electric energy meter automation disassembly system and method |
| CN106423524A (en) * | 2016-11-22 | 2017-02-22 | 河南格林美资源循环有限公司 | Sorting system and method for fragment raw materials of waste automobiles |
| CN106423524B (en) * | 2016-11-22 | 2018-12-18 | 河南沐桐环保产业有限公司 | A kind of separation system and method for separating of the broken body raw material of junked-auto |
| CN114007766A (en) * | 2019-06-27 | 2022-02-01 | 韩国地质资源研究院 | Scrap car residue composite sorting system and composite sorting method using rotary screen |
| CN113399244A (en) * | 2021-06-30 | 2021-09-17 | 肇庆市大正铝业有限公司 | Be used for recycled aluminum to retrieve preliminary treatment movable polishing screening plant |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zeng Xianlai Inventor after: Yu Conghai Inventor after: Duan Huabo Inventor after: Fang Yimin Inventor after: Wu Jiquan Inventor after: Liu Lili Inventor after: Tan Quanyin Inventor after: Li Jinhui Inventor before: Zeng Xianlai Inventor before: Yu Conghai Inventor before: Duan Huabo Inventor before: Fang Yiming Inventor before: Wu Jiquan Inventor before: Liu Lili Inventor before: Tan Quanyin Inventor before: Li Jinhui |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CENG XIANLAI YU CONGHAI DUAN HUABO FANG YIMING WU JIQUAN LIU LILI TAN QUANYIN LI JINHUI TO: CENG XIANLAI YU CONGHAI DUAN HUABO FANG YIMIN WU JIQUAN LIU LILI TAN QUANYIN LI JINHUI |
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| ASS | Succession or assignment of patent right |
Owner name: QINGYUAN DONGJIANG ENVIRONMENTAL TECHNOLOGY CO., L Free format text: FORMER OWNER: DONGJIANG ENVIRONMENTAL CO., LTD. Effective date: 20140212 |
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Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 511540 QINGYUAN, GUANGDONG PROVINCE |
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Effective date of registration: 20140212 Address after: 511540 Guangdong province Qingyuan City Dragon Town silver lamp village Taiji industrial city 13 Patentee after: QINGYUAN DONGJIANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 10, 518057 floor, Dongjiang environmental protection building, 9 Lang Shan Road, North Nanshan District Science Park, Shenzhen, Guangdong Patentee before: DONGJIANG ENVIRONMENTAL Co.,Ltd. |
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