CN106225479B - A kind of heating rate has the smelting equipment of waste gas purification function soon - Google Patents
A kind of heating rate has the smelting equipment of waste gas purification function soon Download PDFInfo
- Publication number
- CN106225479B CN106225479B CN201610731379.2A CN201610731379A CN106225479B CN 106225479 B CN106225479 B CN 106225479B CN 201610731379 A CN201610731379 A CN 201610731379A CN 106225479 B CN106225479 B CN 106225479B
- Authority
- CN
- China
- Prior art keywords
- smelting
- cylinder
- waste gas
- gas purification
- heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0033—Linings or walls comprising heat shields, e.g. heat shieldsd
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0825—Crucible or pot support
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0843—Lining or casing
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
There is the smelting equipment of waste gas purification function soon the invention discloses a kind of heating rate, including smelting cylinder, top cover is connected with the top of the smelting cylinder, material-feeding platform and waste gas purification apparatus are successively set on top cover, and connected with top cover, it is connected with the middle part of cap base and is provided with auxiliary heat riser positioned at the main heat riser smelted in cylinder, the inwall for smelting cylinder, the bottom for smelting tube inner chamber is provided with discharging opening.The heating rate has the smelting equipment of waste gas purification function soon, caused waste gas can effectively be purified during metal smelt, prevent the working region of metal smelt from air pollution occur, and can be comprehensive to smelting ore and the uniform heating treatment of additive progress in cylinder, accelerate the programming rate to ore and additive, while increasing substantially efficiency, the effect of metal smelt is largely improved.
Description
Technical field
The present invention relates to smelting equipment field, the smelting with waste gas purification function is set specially a kind of heating rate soon
It is standby.
Background technology
Smelting is divided into pyrometallurgical smelting, wet underwater welding or electrochemical deposition.It is ore deposit and pyrometallurgical smelting is also known as dry type metallurgy
Stone and necessary additive are heated to high temperature in stove together, are molten into liquid, generate required chemical reaction, so as to isolate
A kind of crude metal, the method for then again refining crude metal, usually needs smelting equipment to match somebody with somebody during pyrometallurgical smelting is carried out
Close the smelting into row metal.
It is cumbersome but smelting equipment at present on the market is complicated, during metal smelt is carried out, heating
Speed is slow, causes the duration of heat of metal to be grown, the efficiency of smelting is low, it is impossible to enters the uniform heating of row metal, so that smelting
The effect of refining is poor, and smelting equipment on the market does not have the measure of exhaust-gas treatment so that can usually cause in smelting process
There is air pollution in the working region of metal smelt, it is difficult to meets the use demand of market and metal smelt industry.
The content of the invention
There is the smelting equipment of waste gas purification function soon it is an object of the invention to provide a kind of heating rate, with solution
State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of heating rate has the smelting equipment of waste gas purification function soon, including smelts cylinder, the top for smelting cylinder
Top cover is connected with, material-feeding platform and waste gas purification apparatus are successively set on top cover, and are connected with top cover, the waste gas purification dress
Put and be made up of purifying box, activated charcoal strainer, branch net and exhaust fan, the bottom of the purification box cavity and the inner chamber phase of smelting cylinder
Logical, activated charcoal strainer and branch net, the middle part connection exhaust fan of the branch net, institute are installed in the inner chamber of purifying box successively from bottom to up
The main heat riser being connected with the middle part of cap base positioned at smelting in cylinder is stated, the main heat riser is by column, water pipe, heat conduction
Plate, heat-conducting block, heating tube and heater are formed, and heater is installed in the bottom of the column, and the hollow space of column inner chamber is installed
Heat-conducting plate is installed in water pipe, the outer surface of the water pipe, and the inner chamber of water pipe is provided with heating tube, and the heat-conducting block is interspersed in column
Outer surface, the side of heat-conducting block is connected with heat-conducting plate.
The inwall for smelting cylinder is provided with auxiliary heat riser, and the auxiliary heat riser is by thermal insulation board, heater strip, aluminium sheet
Formed with aluminium block, the inner surface of the thermal insulation board installs heater strip, the interior table of the heater strip away from the position for smelting cylinder inwall
Aluminium sheet is installed in position of the face away from heat-insulated plate surface, and equally distributed aluminium block is installed on the surface of the aluminium sheet, described to smelt in cylinder
The bottom of chamber is provided with discharging opening.
Preferably, the side for smelting cylinder, which is run through, is connected with the striker plate in discharging opening, and the section of striker plate
The T-shaped structure of profile.
Preferably, the bottom for smelting cylinder is connected with the backplate relative with discharging opening, and the cross-sectional shape of backplate is in cone
Bucket shape structure.
Preferably, the bottom for smelting cylinder is provided with supporting table, and the cross-sectional shape of supporting table is in n shape structures, and supporting table
Top be provided with the groove vertically opposite with discharging opening.
Preferably, the outer surface for smelting cylinder is provided with thermal insulation layer, and the bottom for smelting cylinder is provided with beam.
Compared with prior art, the beneficial effects of the invention are as follows：The heating rate has the smelting of waste gas purification function soon
Equipment, it is simple in construction, easy to use, the waste gas purification apparatus of use, caused waste gas can be entered during metal smelt
Row effectively purification, goes suspended particulate contained in removing exhaust gas and harmful substance, prevents that the working region appearance of metal smelt is empty
Gas is polluted, and main heat riser and auxiliary heat riser are used cooperatively, can be comprehensive to smelting the ore in cylinder and adding
Add thing to carry out uniform heating treatment, accelerate the programming rate to ore and additive, shorten the time of metal smelt,
While increasing substantially efficiency, the effect of metal smelt is largely improved.
The heating rate has the smelting equipment of waste gas purification function soon, utilizes the use of striker plate and backplate, Neng Gouxun
Speed exports to smelting the ore in cylinder and the liquid after additives mixed, and the ore liquid after smelting is greatly improved
While exporting efficiency and improve metal smelt efficiency, the work difficulty of later stage metal smelt also can be largely reduced
With people's labor intensity.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structural representation at Fig. 1 of the present invention A-A.
In figure：1 smelt cylinder, 2 top covers, 3 material-feeding platforms, 4 waste gas purification apparatuses, 41 purifying boxs, 42 activated charcoal strainers, 43
It is net, 44 exhaust fans, 5 main heat risers, 51 columns, 52 water pipes, 53 heat-conducting plates, 54 heat-conducting blocks, 55 heating tubes, 56 heaters, 6 auxiliary
Help heat riser, 61 thermal insulation boards, 62 heater strips, 63 aluminium sheets, 64 aluminium blocks, 7 discharging openings, 8 striker plates, 9 backplates, 10 supporting tables.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：
A kind of heating rate has the smelting equipment of waste gas purification function soon, including smelts cylinder 1, and the top for smelting cylinder 1 connects
Top cover 2 is connected to, material-feeding platform 3 and waste gas purification apparatus 4 are successively set on top cover 2, and are connected with top cover 2, waste gas purification dress
Put 4 to be made up of purifying box 41, activated charcoal strainer 42, branch net 43 and exhaust fan 44, the bottom of the inner chamber of purifying box 41 is with smelting cylinder 1
Inner chamber communicate, activated charcoal strainer 42 and branch net 43, the middle part of branch net 43 are installed in the inner chamber of purifying box 41 successively from bottom to up
Exhaust fan 44 is connected, purifying box 41, activated charcoal strainer 42, branch net 43 and the exhaust fan 44 of use can be in metal smelts
Caused waste gas is effectively purified in journey, suspended particulate contained in removing exhaust gas and harmful substance is gone, prevents metal smelting
There is air pollution in the working region of refining.
Be connected with the middle part of the bottom of top cover 2 positioned at smelt cylinder 1 in main heat riser 5, main heat riser 5 by column 51,
Water pipe 52, heat-conducting plate 53, heat-conducting block 54, heating tube 55 and heater 56 are formed, and heater 56, column are installed in the bottom of column 51
The hollow space of 51 inner chambers installs water pipe 52, and heat-conducting plate 53 is installed in the outer surface of water pipe 52, and the inner chamber of water pipe 52 is provided with heating tube
55, heat-conducting block 54 is interspersed to be connected in the outer surface of column 51, the side of heat-conducting block 54 with heat-conducting plate 53.
The inwall for smelting cylinder 1 is provided with auxiliary heat riser 6, and auxiliary heat riser 6 is by thermal insulation board 61, heater strip 62, aluminium sheet
63 and aluminium block 64 form, the inner surface of thermal insulation board 61 installs heater strip 62 away from the position for smelting the inwall of cylinder 1, heater strip 62 it is interior
Aluminium sheet 63 is installed in position of the surface away from the surface of thermal insulation board 61, and the surface of aluminium sheet 63 installs equally distributed aluminium block 64, smelts cylinder 1
The bottom of inner chamber is provided with discharging opening 7, column 51, water pipe 52, heat-conducting plate 53, heat-conducting block 54, heating tube 55, heater 56, heat-insulated
Plate 61, heater strip 62, aluminium sheet 63 and aluminium block 64 are used cooperatively, being capable of comprehensive ore and additive to smelting in cylinder 1
Uniform heating treatment is carried out, accelerates the programming rate to ore and additive, shortens the time of metal smelt, significantly
While degree improves efficiency, the effect of metal smelt is largely improved.
The side of smelting cylinder 1, which is run through, is connected with the striker plate 8 in discharging opening 7, and the cross-sectional shape of striker plate 8 is in T
Shape structure, the bottom for smelting cylinder 1 are connected with the backplate 9 relative with discharging opening 7, can using the use of striker plate 8 and backplate 9
Exported to smelting the ore in cylinder 1 and the liquid after additives mixed rapidly, the ore after smelting is greatly improved
While liquid exports efficiency and improves metal smelt efficiency, the work of later stage metal smelt also can be largely reduced
Difficulty and people's labor intensity, and the cross-sectional shape of backplate 9 is in cone bucket shape structure, the backplate 9 of the cone bucket shape structure can avoid
Liquid unrestrained phenomenon outside during export, the bottom for smelting cylinder 1 are provided with supporting table 10, and the cross-sectional shape of supporting table 10 is in n
Shape structure, and the top of supporting table 10 is provided with the groove vertically opposite with discharging opening 7, the groove, which is easy to place, contains liquid condition
Under ore and additive, the outer surface for smelting cylinder 1 is provided with thermal insulation layer, the use of thermal insulation layer, can reduce smelt it is hot in cylinder 1
The loss amount of amount, and the bottom for smelting cylinder 1 is provided with beam, by beam, can reduce smelting cylinder 1 and supporting table 10 is long-term
Worn caused by contact, so as to be advantageous to extend the service life for smelting cylinder 1.
Operation principle：Smelted in use, ore and additive are put into using material-feeding platform 3 in cylinder 1, start exhaust fan
44th, heating tube 55, heater 56 and heater strip 62 carry out heating treatment to ore and additive, when temperature is warming up to necessarily
When, ore and additive are liquid from Solid State Transformation, then pull open striker plate 8, liquid is exported from discharging opening 7,
The effect of backplate 9 is utilized during export, liquid unrestrained phenomenon outside when avoiding exporting, last derived liquid
Carry out later stage use.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of heating rate has the smelting equipment of waste gas purification function soon, including smelts cylinder（1）, it is characterised in that：It is described
Smelt cylinder（1）Top be connected with top cover（2）, material-feeding platform（3）And waste gas purification apparatus（4）It is successively set on top cover（2）On,
And and top cover（2）Connection, the waste gas purification apparatus（4）By purifying box（41）, activated charcoal strainer（42）, branch net（43）And row
Gas is fanned（44）Form, the purifying box（41）The bottom of inner chamber is with smelting cylinder（1）Inner chamber communicate, purifying box（41）Inner chamber from
Under supreme install activated charcoal strainer successively（42）With branch net（43）, the branch net（43）Middle part connection exhaust fan（44）, institute
State top cover（2）It is connected with the middle part of bottom positioned at smelting cylinder（1）Interior main heat riser（5）, the main heat riser（5）By standing
Post（51）, water pipe（52）, heat-conducting plate（53）, heat-conducting block（54）, heating tube（55）And heater（56）Form, the column（51）
Bottom install heater（56）, column（51）The hollow space of inner chamber installs water pipe（52）, the water pipe（52）Outer surface
Install heat-conducting plate（53）, water pipe（52）Inner chamber be provided with heating tube（55）, the heat-conducting block（54）It is interspersed in column（51）
Outer surface, heat-conducting block（54）Side and heat-conducting plate（53）It is connected；
The smelting cylinder（1）Inwall be provided with auxiliary heat riser（6）, the auxiliary heat riser（6）By thermal insulation board（61）Plus
Heated filament（62）, aluminium sheet（63）And aluminium block（64）Form, the thermal insulation board（61）Inner surface away from smelt cylinder（1）The position of inwall
Install heater strip（62）, the heater strip（62）Inner surface away from thermal insulation board（61）Install aluminium sheet in the position on surface（63）, institute
State aluminium sheet（63）Surface install equally distributed aluminium block（64）, the smelting cylinder（1）The bottom of inner chamber is provided with discharging opening（7）.
2. a kind of heating rate according to claim 1 has the smelting equipment of waste gas purification function soon, it is characterised in that：
The smelting cylinder（1）Side through being connected with positioned at discharging opening（7）Interior striker plate（8）, and striker plate（8）Cross-sectional shape
T-shaped structure.
3. a kind of heating rate according to claim 1 has the smelting equipment of waste gas purification function soon, it is characterised in that：
The smelting cylinder（1）Bottom be connected with and discharging opening（7）Relative backplate（9）, and backplate（9）Cross-sectional shape be in cone bucket shape
Structure.
4. a kind of heating rate according to claim 1 has the smelting equipment of waste gas purification function soon, it is characterised in that：
The smelting cylinder（1）Bottom be provided with supporting table（10）, supporting table（10）Cross-sectional shape be in n shape structures, and supporting table（10）
Top be provided with and discharging opening（7）Vertically opposite groove.
5. a kind of heating rate according to claim 1 has the smelting equipment of waste gas purification function soon, it is characterised in that：
The smelting cylinder（1）Outer surface be provided with thermal insulation layer, and smelt cylinder（1）Bottom be provided with beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731379.2A CN106225479B (en) | 2016-08-26 | 2016-08-26 | A kind of heating rate has the smelting equipment of waste gas purification function soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731379.2A CN106225479B (en) | 2016-08-26 | 2016-08-26 | A kind of heating rate has the smelting equipment of waste gas purification function soon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106225479A CN106225479A (en) | 2016-12-14 |
| CN106225479B true CN106225479B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731379.2A Expired - Fee Related CN106225479B (en) | 2016-08-26 | 2016-08-26 | A kind of heating rate has the smelting equipment of waste gas purification function soon |
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| CN (1) | CN106225479B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055750A (en) * | 2017-02-13 | 2018-12-21 | 丽水市正明机械科技有限公司 | A kind of smelting device |
| CN109539784B (en) * | 2018-11-22 | 2020-01-07 | 东台市高科技术创业园有限公司 | Purification type melting device for metal |
| CN111466334B (en) * | 2020-04-10 | 2021-10-15 | 福清弘晟食品有限公司 | Pool circulation purifier is supported temporarily to eel |
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| JP2008082640A (en) * | 2006-09-28 | 2008-04-10 | Nippon Crucible Co Ltd | Valuable metal recovering device |
| CN201110832Y (en) * | 2007-11-19 | 2008-09-03 | 北京普析科学仪器有限责任公司 | Temperature controllable quartz heating furnace body with prewarming |
| CN202936507U (en) * | 2012-09-25 | 2013-05-15 | 宁夏日晶新能源装备股份有限公司 | Polycrystalline silicon ingoting furnace adopting four-side heating |
| CN104329941A (en) * | 2014-08-28 | 2015-02-04 | 南京理工大学 | Smelting furnace |
| CN204461058U (en) * | 2014-12-19 | 2015-07-08 | 苏州新长光热能科技有限公司 | immersion heating magnesium smelting furnace |
| CN204514031U (en) * | 2015-03-05 | 2015-07-29 | 江苏锦明不锈钢新材料有限公司 | A kind of high-temperature smelting equipment |
-
2016
- 2016-08-26 CN CN201610731379.2A patent/CN106225479B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082640A (en) * | 2006-09-28 | 2008-04-10 | Nippon Crucible Co Ltd | Valuable metal recovering device |
| CN201110832Y (en) * | 2007-11-19 | 2008-09-03 | 北京普析科学仪器有限责任公司 | Temperature controllable quartz heating furnace body with prewarming |
| CN202936507U (en) * | 2012-09-25 | 2013-05-15 | 宁夏日晶新能源装备股份有限公司 | Polycrystalline silicon ingoting furnace adopting four-side heating |
| CN104329941A (en) * | 2014-08-28 | 2015-02-04 | 南京理工大学 | Smelting furnace |
| CN204461058U (en) * | 2014-12-19 | 2015-07-08 | 苏州新长光热能科技有限公司 | immersion heating magnesium smelting furnace |
| CN204514031U (en) * | 2015-03-05 | 2015-07-29 | 江苏锦明不锈钢新材料有限公司 | A kind of high-temperature smelting equipment |
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| CN106225479A (en) | 2016-12-14 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ji Yue Inventor after: Chen Mingdong Inventor before: Chen Xuehong |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180212 Address after: 224000 environmental protection avenue of Yancheng City environmental protection industrial park, Jiangsu Province, No. 1 (28) Applicant after: YUEYUAN ENVIRONMENT ENGINEERING YANCHENG CO.,LTD. Address before: 241000 Anhui Province, Wuhu city Jinghu District Zheshan road yijishan hospital Applicant before: Chen Xuehong |
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