CN204601893U - Welding dust arrester - Google Patents
Welding dust arrester Download PDFInfo
- Publication number
- CN204601893U CN204601893U CN201420792431.1U CN201420792431U CN204601893U CN 204601893 U CN204601893 U CN 204601893U CN 201420792431 U CN201420792431 U CN 201420792431U CN 204601893 U CN204601893 U CN 204601893U
- Authority
- CN
- China
- Prior art keywords
- water
- partition board
- water flow
- flow partition
- dust arrester
- 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.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000005192 partition Methods 0.000 claims abstract description 39
- 239000007921 spray Substances 0.000 claims abstract description 26
- 238000001556 precipitation Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000003500 flue dust Substances 0.000 claims abstract description 9
- 210000005056 cell body Anatomy 0.000 claims abstract description 3
- 239000011324 bead Substances 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003517 fume Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 239000000779 smoke Substances 0.000 abstract description 10
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model belongs to the auxiliary device technical field of welding procedure, is specifically related to the dust arrester that a kind of welding process uses, aims to provide a kind of clarifying smoke rate high, and the weld fumes purifier that can be recycled of purifying waste water, concrete technical scheme is: welding dust arrester, comprise casing, the top of casing is sealed by upper cover, the inside of casing is divided into cleaning part and is positioned at the filtration fraction below cleaning part, cleaning part comprises water flow partition board, water flow partition board, four sidewalls of casing and upper cover surround the aspiration chamber can passed through for flue dust jointly, one end of aspiration chamber is provided with air inlet, the relative other end is provided with exhaust outlet, filtration fraction comprises the multi stage precipitation groove set gradually, lautertuns and Rinsing Area, all be connected by overflow plate between adjacent cell body, overflow plate between multi stage precipitation groove is higher than the overflow plate between stillpot and lautertuns, the bottom of lautertuns is connected with the bottom of Rinsing Area, clear water in Rinsing Area flows to spray nozzle by water pump.
Description
Technical field
The utility model belongs to the auxiliary device technical field of welding procedure, is specifically related to the dust arrester that a kind of welding process uses.
Background technology
Along with developing rapidly of China's process industry, the industrial processes ratio shared by welding constantly expands.But in welding process, producing a large amount of weld fumes, comprise a large amount of deleterious particle thing based on metal oxide in weld fumes, long-term suction high concentration weld fumes, can cause with pneumoconiosis is the welding class occupational disease of representative.At present, that three roof portions above each welding post are installed into air port to the weld fumes treating method of multiple welding posts of rivet welding workshop, the pipeline communication of multiple air inlet by being connected with air exhauster, the escape pipe of pipeline stretches in the air, makes the weld fumes of collection directly to outer discharge.The soakage that discharge air entry one highest wisdom of this ventilation duct is located at the welded top flue dust of welding post is limited, and most weld fumes still can not be discharged and endanger the healthy of workman; In addition, the mode dust removing effects that weld fumes directly discharges is poor, pollutes the air of environment.
Utility model content
The utility model overcomes the deficiency that prior art exists, and aims to provide a kind of clarifying smoke rate high, purifies waste water and can be recycled, and purifies waste water and consumes few weld fumes purifier.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: welding dust arrester, comprise casing, the top of casing is sealed by upper cover, the inside of casing is divided into cleaning part and is positioned at the filtration fraction below cleaning part, cleaning part comprises water flow partition board, water flow partition board, four sidewalls of casing and upper cover surround the aspiration chamber can passed through for flue dust jointly, one end of aspiration chamber is provided with air inlet, the relative other end is provided with exhaust outlet, the upper strata of water flow partition board is furnished with multiple spray nozzle, the shower nozzle of multiple spray nozzle is all arranged towards the upper cover of casing, water flow partition board is obliquely installed along air inlet to the direction of exhaust outlet, water flow partition board near one end of exhaust outlet higher than near one end of air inlet,
Filtration fraction comprises the multi stage precipitation groove, lautertuns and the Rinsing Area that set gradually, all be connected by overflow plate between adjacent cell body, overflow plate between multi stage precipitation groove is higher than the overflow plate between stillpot and lautertuns, the middle part of lautertuns is provided with sandstone filter course, the bottom of lautertuns is connected with the bottom of Rinsing Area, and the clear water in Rinsing Area flows to spray nozzle by water pump.
Wherein, polylith deep bead is vertically provided with in aspiration chamber, the height of deep bead is less than the height between water flow partition board and upper cover arranging deep bead place, and in adjacent two deep beads one piece is close to water flow partition board, another block is then close to upper cover, and form ventilating opening between the deep bead upper end that water flow partition board is close to and upper cover, and form ventilating opening between the deep bead lower end be close to of upper cover and water flow partition board.
Wherein, water flow partition board is dull and stereotyped, and dull and stereotyped upper surface is arranged with many water pipes in parallel, and multiple spray nozzle is connected with many water pipes.
Wherein, water flow partition board is dull and stereotyped, and dull and stereotyped lower surface is arranged with many water pipes in parallel, and multiple spray nozzle is connected with many water pipes after dull and stereotyped.
Wherein, water flow partition board is doubling plate, and the upper strata of doubling plate is furnished with many ripple tanks, and multiple spray nozzle is connected with many ripple tanks.
Wherein, be also connected with automatic water-replenishing device in Rinsing Area, automatic water-replenishing device comprises running water pipe, and running water pipe is connected with Rinsing Area by automatic water compensating valve.
Wherein, automatic water compensating valve is ball-cock assembly.
Wherein, air inlet and/or exhaust outlet are connected with air-introduced machine.
Wherein, be also equipped with porous gear mist dividing plate and active carbon filter plate between aspiration chamber and exhaust outlet, porous gear mist dividing plate is arranged on the side near aspiration chamber, and active carbon filter plate is arranged on the side near exhaust outlet.
Wherein, the bottom of stillpot at different levels is all connected with blowoff valve.
The utility model compared with prior art has following beneficial effect.
One, the utility model weld fumes purifier adopts multi-stage spray wet method smoke abatement, and atomized water spray direction is roughly orthogonal with air motion direction, and flue dust clearance is up to more than 99%.
Two, the utility model weld fumes purifier, is provided with water circulation sedimentation and filtration system, and the water of dedusting, through multi stage precipitation, filters Posterior circle and uses, and reaches the object of saving water resource protection environment for human survival.
Three, the utility model weld fumes purifier, be provided with automatic water-replenishing device, when the water level in Rinsing Area is lower than setting value, automatic water-replenishing device will open valve automatic water supplement, without the need to manually paying close attention to, operating, not only easy to use, save manpower, and moisturizing controls promptly and accurately, use is more suitable for practicality, meet cost benefit, and there is value in industry really, be suitable for industrial circle and extensively promote the use of.Weld fumes purifier of the present utility model, really has more technological progress than existing same device, and more existing device has multinomial effect of enhancement.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1, the structure of display water flow partition board.
Fig. 3 is the side view of Fig. 1.
Detailed description of the invention
Be described in further detail the utility model by reference to the accompanying drawings now, accompanying drawing is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As Figure 1-3, the welding dust arrester of the utility model preferred embodiment, comprise the casing 2 with upper cover 1, the atomized water clean room with spray nozzle 3 of the multiple serial connections be located in casing 2 and suction, exhaust system, wherein be provided with water circulation sedimentation and filtration system, described water circulation sedimentation and filtration system comprises: the multi stage precipitation groove 4 sequentially arranged, lautertuns 5 and Rinsing Area 6, and connects the water pump 7 of Rinsing Area 6 and spray nozzle 3 by pipeline.
Suction of the present utility model, the air containing a large amount of harmful poisonous flue dust at welding procedure scene is sucked by one end of casing 2 by exhaust system, discharged by the other end of casing 2, the flue dust air sucked flows through the atomized water clean room with spray nozzle 3 of multiple serial connection roughly in the horizontal direction, part toxic gas incorporates in water smoke, solid flue dust adsorbed water mist forms the landing of large water droplet, enter multi stage precipitation groove 4 to precipitate, water after precipitation enters Rinsing Area 6 through the filtration of filter pocket 5 again, clear water in Rinsing Area 6 is pumped into spray nozzle 3 and forms water smoke by water pump 7, because the injection direction of described water smoke is orthogonal with direction, thus improve the purifying rate to air, its purifying rate is up to 99%, because water is recycled, thus reach saving water resource, the object of conserving natural habitats.
As shown in Figure 1, the atomized water clean room of described multiple serial connection of the present utility model comprises: the water flow partition board 8 tilting to be located at casing 2 top, multiple deep beads 9 in the multiple spray nozzle 3 being upwards located at described water flow partition board 8 upper surface and the space of separating between described water flow partition board 8 and described upper cover 1 formed, in order to make the flow process of prolongation air-flow, increase the contact with water smoke, described deep bead 9 is interval with ventilating opening 10 respectively and between described water flow partition board 8 or upper cover 1, namely the height of deep bead 9 is less than the height between water flow partition board 8 and described upper cover 1 arranging deep bead 9 place, and in adjacent two deep beads 9 one piece is close to water flow partition board 8, another block is then close to upper cover 1, when making air and upwards, time and downward flowing in wave shape, direction as shown in double-head arrow in Fig. 1.
As shown in Figure 1 and Figure 2, the water flow partition board 8 that casing 2 top is located in described inclination can have multiple embodiments, one of them is that both sides and described casing 2 sidewall seal, the flat board 81 that two ends tilt, the described upper surface of dull and stereotyped 81 be provided with many parallel and same tilt water pipe 82, every root water pipe 82 is provided with multiple spray nozzle 3 upwards; Or the described lower surface of dull and stereotyped 81 be provided with many parallel and same tilt water pipe, every root water pipe be provided with multiple upwards through the described spray nozzle of dull and stereotyped 81; Or the described inclination water flow partition board of being located at casing 2 top is the doubling plate of surrounding sealing, its both sides and described wall box seal, and the top plate in described doubling plate rushes and establishes multiple tracks ripple tank, and the top of described per pass ripple tank is provided with multiple spray nozzle 3 upwards.
The atomized water clean room of described multiple serial connection and suction, exhaust system are located at the top of casing 2; The multi stage precipitation groove 4 of described water circulation filtering system, lautertuns 5 and Rinsing Area 6 are set below the water flow partition board 8 that the top of casing is located in described inclination.
Described multi stage precipitation groove 4 is at least two-stage, overflow plate 11,12 is provided with between described multi stage precipitation groove 4, lautertuns 5, the height of the overflow plate 11 between described first order stillpot 41 and described second level stillpot 42 is higher than the height of the overflow plate 12 between described second level stillpot 42 and described lautertuns 5, and the bottom of described lautertuns 5 is communicated with described Rinsing Area 6; Described first order stillpot 41 is located at the low side of water flow partition board 8.The water smoke that spray nozzle 3 in water flow partition board 8 upwards sprays is combined with flue dust and forms large drop of water, large drop of water falls back in water flow partition board 8, low side is flowed to by high-end, enter first order stillpot 41, after the water level in first order precipitation tank for precipitation 41 exceedes the height of the overflow plate 11 between first order stillpot 41 and described second level stillpot 42, namely flow into described second level stillpot 42, precipitate further; After the water level in second level stillpot 42 exceedes the height of the overflow plate 12 between second level stillpot 42 and described lautertuns 5, namely described lautertuns 5 is flowed into, in described lautertuns 5, sandstone filter course is housed, the clear water after filtration flows into Rinsing Area 6 by the bottom of lautertuns 5.Clear-water high-pressure is pumped into spray nozzle 3 by water pump 7, forms water smoke ejection, constantly recycles.
Described Rinsing Area 6 is provided with automatic water-replenishing device, and described automatic water-replenishing device comprises running water pipe and automatic water compensating valve, and described running water filling pipe is communicated with described Rinsing Area by automatic water compensating valve.
As shown in Figure 1, described automatic water compensating valve is ball-cock assembly 13, also magnetic valve can be adopted to add water level switch.Ball-cock assembly 13 is adopted to be mechanical type automatic water compensating valve, without the need to control circuit.Add water level according to magnetic valve, then need control circuit.
Described suction, exhaust system are in the side of described casing 2, and the two ends of the atomized water clean room of multiple serial connection are respectively equipped with air inlet 14 and exhaust outlet 15, and described air inlet 14 and/or exhaust outlet 15 are provided with the blower fan 16,17 for drawing phoenix.Described blower fan can be a Fans, is installed on air inlet 14 or exhaust outlet 15, also can be two Fans 16,17, be installed on described air inlet 14 and exhaust outlet 15 respectively, specifically look the size of power demand.
As shown in Figure 1, Figure 3, the bottom of described stillpot at different levels is provided with blowoff valve 18, regularly opens and is discharged by the mud be deposited in bottom stillpot.Sandstone filter course in described lautertuns also needs periodic cleaning.
For preventing water smoke to be inhaled into exhaust blower 17, described air draft, is provided with porous gear mist dividing plate 19 before 15.For being adsorbed with poisonous gas further, described exhaust outlet 15 and porous are kept off between mist dividing plate 19 and are also provided with active carbon filter plate 20.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (10)
1. weld dust arrester, it is characterized in that, comprise casing, the top of casing is sealed by upper cover, the inside of described casing is divided into cleaning part and is positioned at the filtration fraction below cleaning part, described cleaning part comprises water flow partition board, water flow partition board, four sidewalls of casing and upper cover surround the aspiration chamber can passed through for flue dust jointly, one end of aspiration chamber is provided with air inlet, the relative other end is provided with exhaust outlet, the upper strata of described water flow partition board is furnished with multiple spray nozzle, the shower nozzle of multiple spray nozzle is all arranged towards the upper cover of casing, described water flow partition board is obliquely installed along air inlet to the direction of exhaust outlet, described water flow partition board near one end of exhaust outlet higher than near one end of air inlet,
Described filtration fraction comprises the multi stage precipitation groove, lautertuns and the Rinsing Area that set gradually, all be connected by overflow plate between adjacent cell body, overflow plate between described multi stage precipitation groove is higher than the overflow plate between stillpot and lautertuns, the middle part of described lautertuns is provided with sandstone filter course, the bottom of lautertuns is connected with the bottom of Rinsing Area, and the clear water in described Rinsing Area flows to spray nozzle by water pump.
2. welding dust arrester according to claim 1, it is characterized in that, polylith deep bead is vertically provided with in described aspiration chamber, the height of deep bead is less than the height between water flow partition board and upper cover arranging deep bead place, and in adjacent two deep beads one piece is close to water flow partition board, another block is then close to upper cover, and forms ventilating opening between the deep bead upper end be close to of water flow partition board and upper cover, and forms ventilating opening between the deep bead lower end be close to of upper cover and water flow partition board.
3. welding dust arrester according to claim 2, is characterized in that, described water flow partition board is dull and stereotyped, and the upper surface of described flat board is arranged with many water pipes in parallel, and described multiple spray nozzle is connected with many water pipes.
4. welding dust arrester according to claim 2, is characterized in that, described water flow partition board is dull and stereotyped, and the lower surface of described flat board is arranged with many water pipes in parallel, and described multiple spray nozzle is connected with many water pipes after dull and stereotyped.
5. welding dust arrester according to claim 2, is characterized in that, described water flow partition board is doubling plate, and the upper strata of described doubling plate is furnished with many ripple tanks, and described multiple spray nozzle is connected with many ripple tanks.
6. the welding dust arrester according to any one of claim 3 or 4 or 5, it is characterized in that, also be connected with automatic water-replenishing device in described Rinsing Area, described automatic water-replenishing device comprises running water pipe, and described running water pipe is connected with Rinsing Area by automatic water compensating valve.
7. welding dust arrester according to claim 6, is characterized in that, described automatic water compensating valve is ball-cock assembly.
8. welding dust arrester according to claim 7, is characterized in that, described air inlet and/or exhaust outlet are connected with air-introduced machine.
9. welding dust arrester according to claim 8, it is characterized in that, also be equipped with porous between described aspiration chamber and exhaust outlet and keep off mist dividing plate and active carbon filter plate, described porous gear mist dividing plate is arranged on the side near aspiration chamber, and active carbon filter plate is arranged on the side near exhaust outlet.
10. welding dust arrester according to claim 9, is characterized in that, the bottom of described stillpot at different levels is all connected with blowoff valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792431.1U CN204601893U (en) | 2014-12-16 | 2014-12-16 | Welding dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792431.1U CN204601893U (en) | 2014-12-16 | 2014-12-16 | Welding dust arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204601893U true CN204601893U (en) | 2015-09-02 |
Family
ID=53954483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420792431.1U Active CN204601893U (en) | 2014-12-16 | 2014-12-16 | Welding dust arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204601893U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185333A (en) * | 2017-07-27 | 2017-09-22 | 江苏丰鑫源环保集团有限公司 | A kind of biomass boiler filter |
| CN107931925A (en) * | 2017-12-07 | 2018-04-20 | 安徽国防科技职业学院 | A kind of auto parts welding frock |
| CN108161321A (en) * | 2018-03-20 | 2018-06-15 | 湖州悉匠汽车服务有限责任公司 | A kind of cambered surface electric welding equipment for irony component |
| CN114734176A (en) * | 2022-06-10 | 2022-07-12 | 江苏江平新环境科技有限公司 | Environment-friendly energy-saving type metal plate welding equipment |
-
2014
- 2014-12-16 CN CN201420792431.1U patent/CN204601893U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185333A (en) * | 2017-07-27 | 2017-09-22 | 江苏丰鑫源环保集团有限公司 | A kind of biomass boiler filter |
| CN107931925A (en) * | 2017-12-07 | 2018-04-20 | 安徽国防科技职业学院 | A kind of auto parts welding frock |
| CN108161321A (en) * | 2018-03-20 | 2018-06-15 | 湖州悉匠汽车服务有限责任公司 | A kind of cambered surface electric welding equipment for irony component |
| CN114734176A (en) * | 2022-06-10 | 2022-07-12 | 江苏江平新环境科技有限公司 | Environment-friendly energy-saving type metal plate welding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203971651U (en) | A kind of rinsing type exhaust gas treating tower | |
| CN104815512B (en) | A kind of emission-control equipment of circulating water wash type | |
| CN204601893U (en) | Welding dust arrester | |
| CN206746215U (en) | A kind of circulating spray purification device for removing chalk dust removing | |
| CN206500008U (en) | A kind of umbrella waterfall type sprays flue gas cleaner | |
| CN202962190U (en) | Welding dedusting and purifying device | |
| CN208612077U (en) | A kind of industrial waste gas circulation filter | |
| CN107281875A (en) | A kind of deduster of safety and environmental protection | |
| CN104474868B (en) | A kind of smoke abatement system | |
| CN104841221B (en) | A kind of air cleaner | |
| CN207126283U (en) | Spray for dust suppression environmental protecting device in a kind of circulating filtration waste water tank body | |
| CN104841234A (en) | Washing type waste gas treatment device | |
| CN103769334B (en) | The dustless coating equipment in full-automatic zero-emission surface | |
| CN102794077A (en) | Flue -gas dust removing device | |
| CN204656264U (en) | A kind of emission-control equipment of rinsing type | |
| CN205925276U (en) | No pump cascade filter chamber | |
| CN209752507U (en) | Exhaust gas treatment system | |
| CN208959593U (en) | A kind of environment-friendly type industrial waste-gas purifier | |
| CN204159207U (en) | Combination fume treating device is separated in a kind of water curtain photocatalysis | |
| CN205593081U (en) | Dust removal humidification air purification window | |
| CN104964325A (en) | Oil fume extraction purifier | |
| CN205245370U (en) | Simple air cleaning device | |
| CN104759173B (en) | For dedusting, the fume treatment auxiliary of sulphur removal | |
| CN105148658B (en) | A kind of Multifunctional waste gas treatment device | |
| CN204307478U (en) | A kind of new type water circulation type air purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170901 Address after: 102206, No. 28, information road, No. 7, block C, 07C, Beijing, Haidian District Patentee after: Beijing Emerging Technology Co. Ltd. Address before: 100142 No. 2, No. 20, building 30, Fu Cheng Road, 301, Beijing, Haidian District Patentee before: Liu Zhenying |