CN210098327U - Reduction furnace chassis electrode cleaning device - Google Patents
Reduction furnace chassis electrode cleaning device Download PDFInfo
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- CN210098327U CN210098327U CN201920559554.3U CN201920559554U CN210098327U CN 210098327 U CN210098327 U CN 210098327U CN 201920559554 U CN201920559554 U CN 201920559554U CN 210098327 U CN210098327 U CN 210098327U
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Abstract
The utility model discloses a chassis electrode cleaning device of a reducing furnace, which relates to the technical field of polysilicon production and comprises a cover body, a dust suction device and a water supply tank; a supporting plate is fixedly arranged in the cover body, and a plurality of rotatable sleeves are arranged on the supporting plate; the sleeve comprises an inner pipe and an outer pipe which are coaxially and radially arranged at intervals, the heights of the upper end of the inner pipe and the upper end of the outer pipe are different, and the upper ends of the inner pipe and the outer pipe are closed; the lower end of the outer pipe is provided with a hairbrush, the interior of the outer pipe is communicated with a dust suction device, and the interior of the inner pipe is communicated with a water supply tank. The utility model discloses not only reduce artifical washing working strength, reduce artifical clearance in-process reintroduction simultaneously and pollute, and shortened the scavenging period to reduction furnace bottom disc electrode to make reduction furnace production cycle shorten greatly, reduce environmental pollution.
Description
Technical Field
The utility model relates to a polycrystalline silicon production technical field particularly, relates to a reduction furnace chassis electrode cleaning device.
Background
The production of polysilicon mostly adopts an improved Siemens method, and the basic principle is as follows: trichlorosilane and hydrogen are adopted to carry out vapor deposition reaction in a reduction furnace according to a certain proportion and temperature, and the generated polysilicon crystal particles are deposited and grown on a silicon core. Before the growth of polycrystalline silicon, a silicon core is inserted on a graphite clamping piece, the graphite clamping piece is sleeved on a copper electrode, the silicon core is installed according to a certain electrode connection mode, after the installation is completed, replacement, breakdown and feeding are carried out according to a process procedure, so that vapor deposition reaction is carried out, crystal grains generated by the reaction are deposited on the silicon core, and the polycrystalline silicon rod is formed after the growth of the polycrystalline silicon in a set time.
After a production cycle is completed, the silicon rod needs to be moved out of the chassis, and the chassis, the electrodes and the like are manually cleaned and scrubbed, so that a lot of uncertainty exists in the process, such as cleaning pollution to the environment and influence on cleanness, secondary pollution caused by incomplete cleaning and scrubbing and the like; meanwhile, manual cleaning wastes time and labor, so that the production efficiency of the polycrystalline silicon is greatly reduced.
Disclosure of Invention
An object of the utility model is to provide a reduction furnace chassis electrode cleaning device to solve above-mentioned problem.
For realizing the purpose of the utility model, the technical proposal adopted is that: a chassis electrode cleaning device of a reduction furnace comprises a cover body, a dust suction device and a water supply tank; a supporting plate is fixedly arranged in the cover body, and a plurality of rotatable sleeves are arranged on the supporting plate; the sleeve comprises an inner pipe and an outer pipe which are coaxially and radially arranged at intervals, the heights of the upper end of the inner pipe and the upper end of the outer pipe are different, and the upper ends of the inner pipe and the outer pipe are closed; the lower end of the outer pipe is provided with a hairbrush, the interior of the outer pipe is communicated with a dust suction device, and the interior of the inner pipe is communicated with a water supply tank.
Furthermore, the lower end of the outer pipe is also provided with a dust collection cover, and the hairbrush is fixedly arranged on the lower edge of the dust collection cover.
Furthermore, the upper end of the inner pipe is higher than the upper end of the outer pipe, and the upper end of the outer pipe is rotatably installed on the supporting plate through a bearing.
Further, a first rotary joint is further installed at the upper end of the inner pipe, a water inlet of the first rotary joint is connected with a water inlet pipe, and the plurality of water inlet pipes are connected with a water outlet of the water supply tank together.
Furthermore, a second rotary joint is further installed on the outer pipe, an inlet of the second rotary joint is connected with an exhaust pipe, and the exhaust pipes are connected with an inlet end of the dust collection device together.
Further, the dust suction device comprises a box body and a blower communicated with the box body; the middle part of the box body is provided with a centrifugal separator, and the inlet of the centrifugal separator faces downwards; the outlet end of the exhaust pipe is positioned below the centrifugal separator, and the outlet of the centrifugal separator is fixedly provided with a filter pipe; the bottom of the box body is also provided with a dust exhaust port.
Furthermore, the water inlet pipe and the exhaust pipe are both hoses or corrugated pipes.
Furthermore, a plurality of driving motors are fixedly mounted on the supporting plate and are respectively connected with the plurality of sleeves one by one.
Further, still install the fixed disk in the cover body, the fixed disk is located the supporting disk top, and a plurality of driving motor install on the fixed disk jointly.
Furthermore, the top of the cover body is also provided with a lifting hook.
The utility model has the advantages that,
the utility model discloses when needing to wash reduction furnace chassis electrode, directly cover the cover body on the reduction furnace, the sleeve pipe rotates this moment, makes the brush that fixes at the outer tube lower extreme clean reduction furnace chassis electrode, and in the cleaning process, can carry out convulsions through dust extraction to the dust that produces in the cleaning process enters into dust extraction through the clearance between inner tube and the outer tube and handles, not only makes the cleaning of reduction furnace chassis electrode more thorough, and can effectively prevent to cause air pollution in the cleaning process; meanwhile, after the reduction furnace base plate electrode is cleaned, water can be supplied into the inner pipe through the water supply tank, finally cleaning water is sprayed onto the reduction furnace base plate electrode from the inner pipe, the brush can be cleaned through the cleaning water in the brushing process, and the reduction furnace base plate electrode is cleaned more thoroughly.
The utility model discloses not only reduce artifical abluent uncertainty, and shortened the scavenging period to reduction furnace bottom disc electrode to make reduction furnace production cycle shorten greatly, reduce environmental pollution.
Drawings
Fig. 1 is a schematic structural view of a cleaning device for an electrode on a chassis of a reduction furnace provided by the present invention;
fig. 2 is a schematic view showing the structure of the dust suction apparatus of fig. 1.
Reference numbers and corresponding part names in the drawings:
1. the dust collector comprises a cover body, 2, a dust collecting device, 3, a water supply tank, 4, a supporting plate, 5, a sleeve, 6, a brush, 7, a dust collecting cover, 8, a first rotary joint, 9, a water inlet pipe, 10, a second rotary joint, 11, an exhaust pipe, 12, a driving motor, 13, a fixed disc, 14 and a lifting hook;
21. a box body 22, a blower 23, a centrifugal separator 24, a filter pipe 25 and a dust exhaust port;
51. inner tube, 52, outer tube.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Fig. 1 and 2 show an electrode cleaning device for a chassis of a reduction furnace provided by the present invention, which comprises a cover body 1, a dust suction device 2 and a water supply tank 3; a supporting plate 4 is fixedly arranged in the cover body 1, and a plurality of rotatable sleeves 5 are arranged on the supporting plate 4; the sleeve 5 comprises an inner pipe 51 and an outer pipe 52 which are coaxially and radially arranged at intervals, the heights of the upper ends of the inner pipe 51 and the outer pipe 52 are different, and the upper ends of the inner pipe 51 and the outer pipe 52 are closed; the brush 6 is installed at the lower end of the outer pipe 52, the inner part of the outer pipe 52 is communicated with the dust suction device 2, and the inner part of the inner pipe 51 is communicated with the water supply tank 3.
The cover body 1 is cylindrical, the top of the cover body 1 is spherical, and the inner diameter of the cover body 1 is matched with the outer diameter of the reduction furnace, so that the cover body 1 can be directly covered on the reduction furnace when the reduction furnace chassis electrode needs to be cleaned; the dust collection device 2 is used for collecting and processing dust generated in the cleaning process in a centralized manner when cleaning the chassis electrode of the reduction furnace, so that dust pollution caused by the dust generated in the cleaning process spreading in the air is avoided; the water supply tank 3 is used for cleaning the reduction furnace chassis electrode, so that the reduction furnace chassis electrode is cleaned more thoroughly.
The supporting disk 4 is fixedly arranged in the cover body 1 through welding, so that the upper part of the cover body 1 is in a sealed state, and the lower part of the cover body 1 is open; a plurality of the upper ends of the sleeves 5 all penetrate through the supporting plate 4 to extend upwards, and the sleeves 5 are rotatably installed on the supporting plate 4 through bearings, so that the sleeves 5 can fully rotate on the supporting plate 4, when cleaning an electrode of a chassis of the reduction furnace, each sleeve 5 corresponds to each electrode, and the distance between every two adjacent sleeves 5 is equal, so that the brushes 6 fixed at the lower ends of the outer pipes 52 can jointly cover the chassis of the reduction furnace, and the cleaning of the electrode of the chassis of the reduction furnace is more thorough.
The central axis of the inner tube 51 and the central axis of the outer tube 52 are on the same straight line, and a radial gap is formed between the inner wall of the outer tube 52 and the outer wall of the inner tube 51, so that a channel capable of flowing is formed between the outer wall of the inner tube 51 and the inner wall of the outer tube 52. The upper end of the inner pipe 51 and the upper end of the outer pipe 52 are both closed, and a height difference is formed between the upper end surface of the inner pipe 51 and the upper end surface of the outer pipe 52, so that the connection between the outer pipe 52 and the dust suction device 2 and the connection between the inner pipe 51 and the water supply tank 3 are mainly facilitated, when the dust suction device 2 sucks dust generated in the cleaning process, the dust in the reduction furnace can smoothly enter the dust suction device 2 through a gap between the inner wall of the outer pipe 52 and the outer wall of the inner pipe 51 for centralized treatment, and when the reduction furnace chassis electrode needs to be washed, cleaning water in the water supply tank 3 can enter the reduction furnace through the inner pipe 51, so that the reduction furnace chassis electrode is cleaned more thoroughly. The water in the water supply tank 3 is preferably pure water, so that the secondary pollution of the reduction furnace bottom disc electrode caused by the washing water in the water supply tank 3 when the reduction furnace bottom disc electrode is washed is avoided.
The lower end of the outer pipe 52 is also provided with a dust collection cover 7, and the brush 6 is fixedly arranged on the lower edge of the dust collection cover 7; the dust collection cover 7 is in a horn shape, and the dust collection cover 7 is welded at the lower end of the outer pipe 52, so that the connection between the dust collection cover 7 and the outer pipe 52 is more stable, a crack at the connection part of the outer pipe 52 and the dust collection cover 7 can be effectively prevented, and the dust collection device 2 can thoroughly absorb dust in the reduction furnace; the brush 6 is fixedly arranged at the lower end of the dust collection cover 7 in a bonding or screw fixing mode, so that when the brush 6 cleans the chassis electrode of the reduction furnace, all dust generated by cleaning can be collected through the dust collection cover 7 in a centralized mode, the dust is prevented from being further diffused in the reduction furnace, and the cleaning in the reduction furnace is more thorough.
The upper end of the inner tube 51 is higher than the upper end of the outer tube 52, and the upper end of the outer tube 52 is rotatably mounted on the support plate 4 through a bearing; the upper end surface of the inner pipe 51 is higher than that of the outer pipe 52, so that the connection between the upper end of the inner pipe 51 and the water supply tank 3 and the connection between the upper end of the outer pipe 52 and the dust suction device 2 are facilitated; specifically, the upper end of the outer tube 52 is fixed on the support plate 4 through a bearing, so that the support plate 4 is convenient to mount, and the whole sleeve 5 can fully rotate on the support plate 4; by arranging the upper end of the inner pipe 51 and the upper end of the outer pipe 52 above the supporting disc 4, dust in the reduction furnace is effectively prevented from falling on the connection part of the outer pipe 52 and the dust suction device 2 and the connection part of the inner pipe 51 and the water supply tank 3 in the process of cleaning the reduction furnace chassis electrode, the connection part of the outer pipe 52 and the dust suction device 2 and the connection part of the inner pipe 51 and the water supply tank 3 are prevented from being corroded by dust, and the sealing performance of the connection part of the outer pipe 52 and the dust suction device 2 and the connection part of the inner pipe 51 and the water supply tank 3 is better.
The upper end of the inner pipe 51 is also provided with a first rotary joint 8, the water inlet of the first rotary joint 8 is connected with a water inlet pipe 9, and the water inlet pipes 9 are connected with the water outlet of the water supply tank 3 together; through the first rotary joint 8 of upper end installation at inner tube 51, make inner tube 51 when rotating, first rotary joint 8 is motionless relative to inner tube 51, through being connected inlet tube 9 is direct with first rotary joint 8, can effectively avoid inner tube 51 to intake tube 9 to twine when rotating, makes the life of inlet tube 9 longer. When the reduction furnace base plate electrode needs to be cleaned and washed, cleaning water in the water supply tank 3 can be fed into the first rotary joint 8 through the water inlet pipe 9, the cleaning water entering the first rotary joint 8 enters the inner pipe 51 and is sprayed on the reduction furnace base plate electrode along the inner pipe 51, so that the reduction furnace base plate electrode is washed, and the reduction furnace base plate electrode is washed more thoroughly. The first rotary joint 8 is model number 4125WRB 2F.
The outer pipe 52 is also provided with a second rotary joint 10, an inlet of the second rotary joint 10 is connected with an exhaust pipe 11, and the exhaust pipes 11 are connected with an inlet end of the dust collector 2; by installing the second rotary joint 10 on the outer pipe 52, when the outer pipe 52 rotates synchronously with the inner pipe 51, the second rotary joint 10 is not understood by the outer pipe 52, and by directly connecting the exhaust pipe 11 with the second rotary joint 10, the winding of the exhaust pipe 11 when the outer pipe 52 rotates can be effectively avoided, and the service life of the exhaust pipe 11 is longer. When dust in the reduction furnace bottom disc electrode is required to be sucked and removed in the cleaning process, the dust suction device 2 generates negative pressure air, the exhaust pipe 11, the second rotary joint 10 and the outer pipe 52 are in a negative pressure state, the dust in the reduction furnace enters the outer pipe 52 according to the negative pressure principle, the dust entering the outer pipe 52 sequentially enters the dust suction device 2 through the second rotary joint 10 and the exhaust pipe 11, and therefore the dust in the reduction furnace is sucked and removed, and the dust in the reduction furnace is collected and processed in a centralized mode. The second rotary joint 10 is of the sendypu 3002012 type.
The dust suction device 2 comprises a box body 21 and a blower 22 communicated with the box body 21; a centrifugal separator 23 is arranged in the middle of the box body 21, and the inlet of the centrifugal separator 23 faces downwards; the outlet end of the exhaust pipe 11 is positioned below the centrifugal separator 23, and the outlet of the centrifugal separator 23 is fixedly provided with a filter pipe 24; the bottom of the box body 21 is also provided with a dust exhaust port 25; the blower 22 is fixedly arranged on the box body 21 through screws, and an air suction opening of the blower 22 is communicated with an air outlet of the box body 21, so that when the blower 22 works, the blower 22 sucks air in the box body 21, and the box body 21 is in a negative pressure state; the centrifugal separator 23 is positioned in the middle of the box body 21, so that a dust collecting area is formed at the bottom of the box body 21, dust sent into the box body 21 through the exhaust pipe 11 firstly enters the centrifugal separator 23 for centrifugal separation, dust particles produced by centrifugal separation fall into the dust collecting area at the bottom of the box body 21, air after centrifugal separation is sent into the filter pipe 24 through the centrifugal separator 23 for secondary filtration, air after filtration through the filter pipe 24 enters the upper part of the box body 21 and is finally discharged out of the box body 21 through the blower 22, and therefore dust generated in the cleaning process of the chassis electrode of the reduction furnace is subjected to centralized treatment, and pollution of the dust to a working environment is effectively avoided. The water inlet pipe 9 and the exhaust pipe 11 are hoses or corrugated pipes.
Still fixed mounting has a plurality of driving motor 12 on the supporting disk 4, and a plurality of driving motor 12 are connected with a plurality of sleeve pipes 5 one by one respectively, a plurality of driving motor 12 are inverter motor, and the output shaft of every driving motor 12 passes through shaft coupling fixed connection with the upper end of the inner tube 51 in every sleeve pipe 5, make driving motor 12 when rotating, driving motor 12 drives inner tube 51 and rotates, and the rotation of inner tube 51 drives outer tube 52 and rotates, and outer tube 52 is when rotating, fix brush 6 at the outer tube 52 lower extreme and begin to clean reduction furnace bottom dish electrode, realize cleaning reduction furnace bottom dish electrode.
The cover body 1 is also internally provided with a fixed disc 13, the fixed disc 13 is positioned above the supporting disc 4, and the plurality of driving motors 12 are jointly arranged on the fixed disc 13; the fixed disc 13 is welded and fixed on the inner wall of the cover body 1, and the fixed disc 13 is parallel to the supporting disc 4; it is a plurality of driving motor 12 all passes through screw fixed mounting on the mounting disc, and a plurality of driving motor 12's output shaft all runs through the mounting disc downwardly extending, not only realizes going driving motor 12's fixed mounting, and makes driving motor 12 output shaft and inner tube 51 be connected more convenient.
The top of the cover body 1 is also provided with a lifting hook 14, which is convenient to be used or used after the use, the utility model discloses a lifting and taking are more convenient.
When needs are cleaned reduction furnace bottom disc electrode, will through the driving earlier the utility model discloses hang and get to the top of reducing furnace to make the cover body 1 cover establish on the reducing furnace, at this moment, fix brush 6 at outer tube 52 lower extreme and cover whole reducing furnace chassis.
Starting the driving motor 12, driving the inner tube 51 to rotate by the driving motor 12, and synchronously rotating the outer tube 52 fixed with the inner tube 51 along with the inner tube 51 when the inner tube 51 rotates, so that the brush 6 fixed at the lower end of the outer tube 52 starts to clean the electrode of the reduction furnace chassis; in the cleaning process, the blower 22 is driven, the blower 22 discharges the air in the box body 21, the interior of the box body 21, the exhaust pipe 11, the second rotary joint 10 and the outer pipe 52 are in a negative pressure state, at the moment, dust generated in the process of cleaning the electrodes of the chassis of the reduction furnace by the hairbrush 6 is collected and enters the outer pipe 52 through the dust collection cover 7, the dust entering the outer pipe 52 enters the exhaust pipe 11 through the dust-containing air through the second rotary joint 10, and the dust-containing air enters the box body 21 through the exhaust pipe 11; the air containing dust entering the interior enters the centrifugal separator 23, the centrifugal separator 23 centrifugally treats the air containing dust, the dust after centrifugal treatment falls into a dust collecting area at the lower end of the box body 21 through self weight, the air after centrifugal separation is sent into the filter pipe 24 through the centrifugal separator 23 to be filtered again, the air after filtration through the filter pipe 24 enters the upper part of the box body 21 and is finally discharged out of the box body 21 through the blower 22, and therefore the dust generated in the cleaning process of the chassis electrode of the reduction furnace is centrally treated, and pollution of the dust to the working environment is effectively avoided. When the dust in the dust collection area is more, the operation of the blower 22 is stopped, and the dust discharge port 25 is opened to discharge all the dust in the dust collection area.
After the chassis motor of the reduction furnace is cleaned, the water supply tank 3 is opened, cleaning water in the water supply tank 3 enters the first rotary joint 8 through the water inlet pipe 9, the cleaning water enters the inner pipe 51 through the first rotary joint 8, the cleaning water entering the inner pipe 51 is discharged from the lower end of the inner pipe 51, and therefore the bottom disc electrode of the reduction furnace is washed, and the bottom disc electrode of the reduction furnace is cleaned more thoroughly.
In the process of cleaning the chassis electrode of the reducing furnace, if only the chassis electrode of the reducing furnace needs to be washed, the driving of the inner tube 51 by the driving motor 12 can be stopped, so that the inner tube 51 stops rotating, the brush 6 fixed at the lower end of the outer tube 52 stops brushing the chassis electrode of the reducing furnace, and the washing water washes the chassis electrode of the reducing furnace; when dust on the chassis electrode of the reduction furnace is heavy in the process of cleaning the chassis electrode of the reduction furnace, the cleaning water can be used for washing the chassis of the reduction furnace and simultaneously matching with the hairbrush 6, so that the hairbrush 6 can scrub the chassis electrode of the reduction furnace while the cleaning water washes the chassis electrode of the reduction furnace, and the chassis electrode of the reduction furnace can be cleaned more thoroughly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for cleaning an electrode on a chassis of a reduction furnace is characterized by comprising a cover body (1), a dust suction device (2) and a water supply tank (3); a supporting plate (4) is fixedly arranged in the cover body (1), and a plurality of rotatable sleeves (5) are arranged on the supporting plate (4); the sleeve (5) comprises an inner pipe (51) and an outer pipe (52) which are coaxially and radially arranged at intervals, the heights of the upper end of the inner pipe (51) and the upper end of the outer pipe (52) are different, and the upper ends of the inner pipe (51) and the outer pipe (52) are closed; the lower end of the outer pipe (52) is provided with a brush (6), the inner part of the outer pipe (52) is communicated with the dust suction device (2), and the inner part of the inner pipe (51) is communicated with the water supply tank (3).
2. The cleaning device for the chassis electrode of the reduction furnace according to claim 1, characterized in that a dust hood (7) is further provided at the lower end of the outer tube (52), and the brush (6) is fixedly installed at the lower edge of the dust hood (7).
3. The cleaning device for the bottom plate electrode of the reduction furnace according to claim 1 or 2, wherein the upper end of the inner tube (51) is higher than the upper end of the outer tube (52), and the upper end of the outer tube (52) is rotatably mounted on the support plate (4) through a bearing.
4. The cleaning device for the chassis electrode of the reduction furnace according to claim 1, wherein a first rotary joint (8) is further installed at the upper end of the inner pipe (51), a water inlet pipe (9) is connected to a water inlet of the first rotary joint (8), and a plurality of water inlet pipes (9) are commonly connected to a water outlet of the water supply tank (3).
5. The cleaning device for the electrodes on the chassis of the reduction furnace according to the claim 4, characterized in that a second rotary joint (10) is further installed on the outer pipe (52), an air exhaust pipe (11) is connected to the inlet of the second rotary joint (10), and the air exhaust pipes (11) are connected with the inlet end of the dust suction device (2) together.
6. The cleaning device for the chassis electrode of the reduction furnace according to claim 5, characterized in that the dust suction device (2) comprises a box body (21) and a blower (22) communicated with the box body (21); a centrifugal separator (23) is arranged in the middle of the box body (21), and the inlet of the centrifugal separator (23) faces downwards; the outlet end of the exhaust pipe (11) is positioned below the centrifugal separator (23), and the outlet of the centrifugal separator (23) is fixedly provided with a filter pipe (24); the bottom of the box body (21) is also provided with a dust exhaust port (25).
7. The cleaning device for the electrodes on the chassis of the reduction furnace according to claim 6, wherein the water inlet pipe (9) and the exhaust pipe (11) are both hoses or bellows.
8. The cleaning device for the chassis electrode of the reduction furnace according to claim 1, characterized in that a plurality of driving motors (12) are fixedly mounted on the supporting plate (4), and the plurality of driving motors (12) are respectively connected with the plurality of sleeves (5) one by one.
9. The chassis electrode cleaning device for the reduction furnace according to claim 8, wherein a fixed plate (13) is further installed in the cover body (1), the fixed plate (13) is located above the supporting plate (4), and the plurality of driving motors (12) are installed on the fixed plate (13) together.
10. The cleaning device for the chassis electrode of the reduction furnace according to claim 1, characterized in that a hook (14) is further provided on the top of the cover body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559554.3U CN210098327U (en) | 2019-04-23 | 2019-04-23 | Reduction furnace chassis electrode cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559554.3U CN210098327U (en) | 2019-04-23 | 2019-04-23 | Reduction furnace chassis electrode cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210098327U true CN210098327U (en) | 2020-02-21 |
Family
ID=69537092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920559554.3U Active CN210098327U (en) | 2019-04-23 | 2019-04-23 | Reduction furnace chassis electrode cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210098327U (en) |
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2019
- 2019-04-23 CN CN201920559554.3U patent/CN210098327U/en active Active
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Address after: 810007 No.1, Jinsi Road, Chengdong economic and Technological Development Zone, Xining City, Qinghai Province Co-patentee after: QINGHAI ASIA SILICON SILICON MATERIAL ENGINEERING TECHNOLOGY Co.,Ltd. Patentee after: Asia silicon (Qinghai) Co.,Ltd. Address before: 810007 Qinghai city of Xining Province Economic and Technological Development Zone No. 1 gold Guilu Co-patentee before: QINGHAI ASIA SILICON SILICON MATERIAL ENGINEERING TECHNOLOGY Co.,Ltd. Patentee before: ASIA SILICON (QINGHAI) Co.,Ltd. |