CN111519240A - Safe cleaning line for cold-rolled steel strip - Google Patents
Safe cleaning line for cold-rolled steel strip Download PDFInfo
- Publication number
- CN111519240A CN111519240A CN202010336606.8A CN202010336606A CN111519240A CN 111519240 A CN111519240 A CN 111519240A CN 202010336606 A CN202010336606 A CN 202010336606A CN 111519240 A CN111519240 A CN 111519240A
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- Prior art keywords
- roller
- fixedly connected
- box body
- cold
- rolled steel
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
A safe cleaning line for cold-rolled steel strips comprises a lower box body and an upper box body of an electrolytic cleaning tank on a cleaning line, wherein the upper end of the upper box body is fixedly connected with an upper box cover; the lower end of the lower box body is inserted with a plurality of sinking rollers, two ends of each sinking roller extend out of the lower box body and are hinged on the lower bearing block, a plurality of steering rubber rollers opposite to the sinking rollers are inserted in the upper box body, and two ends of each steering rubber roller extend out of the lower box body and are hinged on the upper bearing block; the upper box cover is formed with a plurality of exhaust holes, the exhaust holes of the upper box cover are fixedly connected with exhaust pipes, the tail ends of the exhaust pipes are fixedly connected to the collecting pipe, the collecting pipe is fixedly connected with an air suction pipeline, and the air suction pipeline is fixed on the box type centrifugal fan and is communicated with an air inlet of the box type centrifugal fan. The steering rubber roller is characterized in that a steering steel roller of a steel structure is changed into a steering rubber roller of a composite structure, so that the strength of the steering rubber roller can be ensured, sparks can not be generated between the steering rubber roller and a cold-rolled steel strip, hydrogen generated by electrolysis can be pumped out and discharged, the explosion phenomenon can not occur, and the safety is high.
Description
The technical field is as follows:
the invention relates to the technical field of steel strip cleaning equipment, in particular to a safe cleaning line for cold-rolled steel strips.
Background art:
at present, the cold-rolled sheet steel strip has a plurality of product varieties, such as metal-coated sheet, deep-drawing steel sheet, electrical silicon steel sheet, stainless steel sheet, coated steel sheet and the like, and finished products are supplied in the form of sheets, coils or narrow strips. At present, before the cold-rolled steel is processed into products, raw materials are purchased, the raw materials are stored and transported in a rolled steel strip mode, the raw materials need to be cleaned firstly after entering a factory, oil stains, impurities and the like on the surface of the steel strip are removed through cleaning, in the cleaning process of the existing cold-rolled steel strip, electrolytic cleaning is generally adopted, gas is emitted to the surface of metal through the electrolytic cleaning, dirt and impurities on the surface of the metal are removed through the sauna effect, and resin components and moisture can be completely removed.
The existing cold-rolled steel strip is arranged in an electrolytic cleaning tank in a wavy manner, the lower part of the cold-rolled steel strip is immersed in alkali liquor and is supported by an immersion roller, the upper part of the cold-rolled steel strip is exposed out of the alkali liquor and is supported by a steering roller, the steering roller is utilized to realize the reversing of the cold-rolled steel strip, the steering roller which adopts the main support is generally a steel supporting roller, when the rotating speed of the steel supporting roller is increased, the steel supporting roller and the cold-rolled steel strip can slip and generate sparks, the sparks can ignite the hydrogen and the oxygen because the electrolytic cleaning can decompose water into the hydrogen and the oxygen, and the explosions are generated, so that the potential safety hazard is large; meanwhile, when the cold-rolled steel strip slips, the outer surface of the cold-rolled steel strip is pulled, and the quality of the cold-rolled steel strip is influenced.
The invention content is as follows:
aiming at the defects of the prior art, the invention provides a safe cleaning line for a cold-rolled steel strip, which changes a steering steel roller of a steel structure into a steering rubber roller of a composite structure, can ensure the strength of the steering rubber roller, simultaneously improve the friction force on the outer surface of the steering rubber roller, can not generate sparks with the cold-rolled steel strip, can pump and discharge hydrogen generated by electrolysis, and further can not generate explosion phenomenon, and has high safety.
A safe cleaning line for cold-rolled steel strips comprises a lower box body of an electrolytic cleaning tank on a cleaning line, wherein a plurality of electrode plates are arranged in the lower box body, the upper end of the lower box body is fixedly connected with an upper box body, and the upper end of the upper box body is fixedly connected with an upper box cover; the lower end of the lower box body is inserted with a plurality of sinking rollers, two ends of each sinking roller extend out of the lower box body and are hinged on the lower bearing block, a plurality of steering rubber rollers opposite to the sinking rollers are inserted in the upper box body, and two ends of each steering rubber roller extend out of the lower box body and are hinged on the upper bearing block; a plurality of exhaust holes are formed in the upper box cover, exhaust pipes are fixedly connected in the exhaust holes of the upper box cover, the tail ends of the exhaust pipes are fixedly connected to the collecting pipe, an air suction pipeline is fixedly connected to the collecting pipe, and the air suction pipeline is fixed to the box-type centrifugal fan and is communicated with an air inlet of the box-type centrifugal fan; an air outlet of the box type centrifugal fan is fixedly connected with a discharge pipe;
the steering rubber roller comprises two opposite cylindrical core rollers, a support shaft is formed on the outer end face of each core roller, a core shaft is formed on the outer end face of each support shaft, and a connecting shaft is formed on the outer end face of each core shaft; the core roller is characterized in that a steel roller sleeve is fixedly connected with the outer side wall of the steel roller sleeve, the side end face of the steel roller sleeve, the outer end face of the core roller, the outer side wall of the supporting shaft, the outer end face of the supporting shaft and the outer side wall of the mandrel in a sleeved and welded mode.
Preferably, one end of each sink roller or one end of each steering rubber roller are fixedly connected with a first universal coupling and a second universal coupling, and the first universal coupling and the second universal coupling are respectively and fixedly connected with rotating shafts of the traction motor and the steering motor.
Preferably, the traction motor and the lower bearing seat are fixedly connected with a lower mounting seat, and the lower mounting seat is fixed on the ground through a bolt assembly; an upper mounting seat is fixedly connected to the steering motor and the upper bearing seat, and the upper mounting seat is fixed to a supporting steel structure platform of the cleaning line.
Preferably, a plurality of observation windows are formed in the upper box cover, a cover covers the observation windows, and the cover is fixed on the upper box cover through a bolt assembly.
Preferably, the upper box cover is provided with a plurality of exhaust holes, the exhaust holes of the upper box cover are fixedly welded with connecting pipes, the connecting pipes are formed with flanges, and the exhaust pipes are fixedly connected with the connecting pipes through bolt assemblies.
Preferably, the length of the steel roll sleeve is more than twice of that of the core roll, and a gap is arranged between the core rolls; the core roller at one side of the steel roller sleeve is provided with a vent hole, and a plug is fixedly inserted in the vent hole of the core roller.
Preferably, the diameter of the outer wall of the core roller is equal to that of the inner wall of the steel roller sleeve, the outer end face of the core roller is located on the side wall of the outer end face of the steel roller sleeve, a welding line between the steel roller sleeve and the core roller is annular, and the welding line is distributed on the outer ring of the core roller and the inner wall of the steel roller sleeve.
Preferably, both ends of the collecting pipe are open, a heat exchange piece is inserted and connected in the collecting pipe, the heat exchange piece comprises an end seat which is inserted and fixed in a circular shape at both ends of the collecting pipe, an inner cavity is formed in the end seat, a pipe joint communicated with the inner cavity of the end seat is formed on the outer end face of the end seat, a plurality of heat exchange thin pipes are arranged in the collecting pipe, and both ends of the heat exchange thin pipes are formed on the inner wall of the end seat and communicated with the inner cavity of the end seat.
The invention has the beneficial effects that:
the steering rubber roller with the composite structure is formed by modifying a steering steel roller with a steel structure, so that the strength of the steering rubber roller can be ensured, the friction force on the outer surface of the steering rubber roller can be improved, sparks cannot be generated between the steering rubber roller and a cold-rolled steel strip, hydrogen generated by electrolysis can be pumped out and discharged, the explosion phenomenon cannot occur, and the safety is high; meanwhile, the rotating speed of the steering rubber roll can be improved, the steering rubber roll and the cold-rolled steel strip cannot slip, the cleaning speed can be improved, and the quality of the cold-rolled steel strip can be guaranteed.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the electrolytic cleaning tank according to the present invention;
FIG. 3 is a schematic top view of the electrolytic cleaning tank of the present invention;
FIG. 4 is a schematic structural view of a turning rubber roll of the present invention;
FIG. 5 is a schematic view of a radial half-section of a header according to the present invention;
fig. 6 is a schematic view of a half-section structure in the axial direction of the header according to the present invention.
In the figure: 1. a lower box body; 2. an upper box body; 3. an upper box cover; 31. an exhaust hole; 4. sinking the roller; 5. turning to a rubber roller; 51. a core roll; 511. a support shaft; 512. a mandrel; 513. a connecting shaft; 514. a vent hole; 52. a steel roll shell; 53. encapsulating; 54. a plug; 6. a lower bearing seat; 7. an upper bearing seat; 8. a first universal coupling; 9. a traction motor; 10. a second universal coupling; 11. a steering motor; 12. an exhaust pipe; 13. a header pipe; 14. an air intake duct; 15. a box-type centrifugal fan; 16. a discharge pipe; 17. a cover; 18. a lower mounting seat; 19. an upper mounting seat; 20. a heat exchange member; 201. an end seat; 202. a heat exchange thin tube; 203. a pipe joint.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 6, the safe cleaning line for the cold-rolled steel strip comprises a lower box body 1 of an electrolytic cleaning tank on a cleaning line, wherein a plurality of electrode plates are arranged in the lower box body 1, the upper end of the lower box body 1 is fixedly connected with an upper box body 2, and the upper end of the upper box body 2 is fixedly connected with an upper box cover 3; a plurality of sink rolls 4 are inserted at the lower end of the lower box body 1, two ends of each sink roll 4 extend out of the lower box body 1 and are hinged on a lower bearing block 6, a plurality of steering rubber rollers 5 opposite to the sink rolls 4 are inserted in the upper box body 2, and two ends of each steering rubber roller 5 extend out of the lower box body 1 and are hinged on an upper bearing block 7; a plurality of exhaust holes 31 are formed in the upper box cover 3, an exhaust pipe 12 is fixedly connected in the exhaust hole 31 of the upper box cover 3, the tail end of the exhaust pipe 12 is fixedly connected to a collecting pipe 13, an air suction pipeline 14 is fixedly connected to the collecting pipe 13, and the air suction pipeline 14 is fixed to a box-type centrifugal fan 15 and communicated with an air inlet of the box-type centrifugal fan 15; an air outlet of the box-type centrifugal fan 15 is fixedly connected with a discharge pipe 16;
the turning rubber roller 5 comprises two core rollers 51 which are opposite and cylindrical, a supporting shaft 511 is formed on the outer end face of each core roller 51, a mandrel 512 is formed on the outer end face of each supporting shaft 511, and a connecting shaft 513 is formed on the outer end face of each mandrel 512; the core roller 51 is sleeved and welded with a steel roller sleeve 52, and the outer side wall of the steel roller sleeve 52, the side end surface of the steel roller sleeve 52, the outer end surface of the core roller 51, the outer side wall of the support shaft 511, the outer end surface of the support shaft 511 and the outer side wall of the mandrel 512 are fixedly connected with rubber coating 53.
Preferably, one end of each of the sink roll 4 and the steering rubber roll 5 is fixedly connected with a first universal coupling 8 and a second universal coupling 10, and the first universal coupling 8 and the second universal coupling 10 are respectively and fixedly connected with rotating shafts of a traction motor 9 and a steering motor 11.
Preferably, the traction motor 9 and the lower bearing pedestal 6 are fixedly connected with a lower mounting seat 18, and the lower mounting seat 18 is fixed on the ground through a bolt assembly; an upper mounting seat 19 is fixedly connected to the steering motor 11 and the upper bearing seat 7, and the upper mounting seat 19 is fixed to a supporting steel structure platform of the cleaning line.
Preferably, a plurality of observation windows are formed in the upper case cover 3, a cover 17 covers the observation windows, and the cover 17 is fixed on the upper case cover 3 through a bolt assembly.
Preferably, the upper case cover 3 is provided with a plurality of exhaust holes 31, the exhaust holes 31 of the upper case cover 3 are fixedly welded with connecting pipes, the connecting pipes are formed with flanges, and the exhaust pipe 12 is fixedly connected with the connecting pipes through bolt assemblies.
Preferably, the length of the steel roll shell 52 is more than twice the length of the core roll 51, and a gap is arranged between the core rolls 51; a vent hole 514 is formed in the core roller 51 on the side of the steel roller shell 52, and a plug 54 is fixedly inserted into the vent hole 514 of the core roller 51.
Preferably, the diameter of the outer wall of the core roller 51 is equal to the diameter of the inner wall of the steel roller shell 52, the outer end surface of the core roller 51 is located on the side wall of the outer end surface of the steel roller shell 52, the welding seam between the steel roller shell 52 and the core roller 51 is annular, and the welding seam is distributed on the outer ring of the core roller 51 and the inner wall of the steel roller shell 52.
Preferably, both ends of the collecting pipe 13 are open, a heat exchanging member 20 is inserted into the collecting pipe 13, the heat exchanging member 20 includes an end seat 201 that is inserted and fixed in a circular shape at both ends of the collecting pipe 13, an inner cavity is formed in the end seat 201, a pipe joint 203 communicated with the inner cavity of the end seat 201 is formed on the outer end surface of the end seat 201, a plurality of heat exchanging thin pipes 202 are arranged in the collecting pipe 13, and both ends of the heat exchanging thin pipes 202 are formed on the inner wall of the end seat 201 and communicated with the inner cavity of the end seat 201.
Preferably, the outer wall of the rubber coating 53 is formed with a plurality of anti-slip grooves 531.
The working principle is as follows: the invention relates to a safe cleaning line for a cold-rolled steel strip, which is particularly characterized in that two technical points are arranged in an electrolytic cleaning tank on the cold-rolled steel strip cleaning line, one technical point is that a steering steel roller of a steel structure is changed into a steering rubber roller 5 of a composite structure, the supporting strength of the steering rubber roller 5 can be ensured, the friction force between the steel strip and the steering rubber roller 5 is enhanced, further, when the rotating speed is improved, the steel strip and the steering rubber roller 5 cannot slip, and meanwhile, the rubber coating 54 of the steering rubber roller 5 rubs with the steel strip, no spark is generated, and the condition that the explosion occurs because open fire ignites hydrogen is avoided;
in order to further improve the safety, the other technical point is that a box-type centrifugal fan 15 is additionally arranged, and hydrogen, oxygen and water vapor on the upper side of the alkali liquor in the electrolytic cleaning tank (namely in the upper box body) are pumped out of the electrolytic cleaning tank by utilizing the work of the fan and are discharged into the atmosphere;
meanwhile, a box-type centrifugal fan 15 is additionally arranged to discharge gas in the electrolytic cleaning tank, heat exchange is realized by installing a heat exchange piece in the pipeline, heat of the heat exchange can dry the steel belt, and the utilization rate of resources can be further improved.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (8)
1. A safe cleaning line for a cold-rolled steel strip comprises a lower box body (1) of an electrolytic cleaning tank on a cleaning line, wherein a plurality of electrode plates are arranged in the lower box body (1), the upper end of the lower box body (1) is fixedly connected with an upper box body (2), and the upper end of the upper box body (2) is fixedly connected with an upper box cover (3); the lower extreme of lower box (1) is inserted and is equipped with a plurality of sink roll (4), and the both ends of sink roll (4) stretch out lower box (1) and articulate on step (6), its characterized in that: a plurality of steering rubber rollers (5) opposite to the sink roller (4) are inserted in the upper box body (2), and two ends of the steering rubber rollers (5) extend out of the lower box body (1) and are hinged on an upper bearing seat (7); a plurality of exhaust holes (31) are formed in the upper box cover (3), an exhaust pipe (12) is fixedly connected in the exhaust holes (31) of the upper box cover (3), the tail end of the exhaust pipe (12) is fixedly connected to the collecting pipe (13), an air suction pipeline (14) is fixedly connected to the collecting pipe (13), and the air suction pipeline (14) is fixed to the box-type centrifugal fan (15) and communicated with an air inlet of the box-type centrifugal fan (15); an air outlet of the box type centrifugal fan (15) is fixedly connected with a discharge pipe (16);
the steering rubber roller (5) comprises two core rollers (51) which are opposite and cylindrical, a support shaft (511) is formed on the outer end face of each core roller (51), a mandrel (512) is formed on the outer end face of each support shaft (511), and a connecting shaft (513) is formed on the outer end face of each mandrel (512); the core roller (51) is sleeved with a steel roller sleeve (52) in an inserting mode and welded and fixed, and the outer side wall of the steel roller sleeve (52), the side end face of the steel roller sleeve (52), the outer end face of the core roller (51), the outer side wall of the supporting shaft (511), the outer end face of the supporting shaft (511) and the outer side wall of the mandrel (512) are fixedly connected with rubber coatings (53).
2. A safe cleaning line for cold-rolled steel strip according to claim 1, characterized in that: one end of the sink roller (4) or one end of the steering rubber roller (5) are fixedly connected with a first universal coupling (8) and a second universal coupling (10), and the first universal coupling (8) and the second universal coupling (10) are respectively and fixedly connected with a traction motor (9) and a rotating shaft of a steering motor (11).
3. A safe cleaning line for cold-rolled steel strip according to claim 2, characterized in that: the traction motor (9) and the lower bearing seat (6) are fixedly connected with a lower mounting seat (18), and the lower mounting seat (18) is fixed on the ground through a bolt assembly; steering motor (11) and bolster bearing housing (7) go up fixedly connected with and go up mount pad (19), go up mount pad (19) and fix on the supporting steel structure platform of cleaning line.
4. A safe cleaning line for cold-rolled steel strip according to claim 1, characterized in that: go up the shaping on case lid (3) and have a plurality of observation windows, observation window coats and is stamped housing (17), and housing (17) are fixed on last case lid (3) through bolt assembly.
5. A safe cleaning line for cold-rolled steel strip according to claim 4, characterized in that: the upper box cover (3) is provided with a plurality of exhaust holes (31), the exhaust holes (31) of the upper box cover (3) are fixedly welded with connecting pipes, flanges are formed on the connecting pipes, and the exhaust pipes (12) are fixedly connected with the connecting pipes through bolt assemblies.
6. A safe cleaning line for cold-rolled steel strip according to claim 1, characterized in that: the length of the steel roll sleeve (52) is more than twice of that of the core roll (51), and a gap is arranged between the core rolls (51); a vent hole (514) is formed on the core roller (51) at one side of the steel roller sleeve (52), and a plug (54) is fixedly inserted into the vent hole (514) of the core roller (51).
7. A safe cleaning line for cold-rolled steel strip according to claim 6, characterized in that: the diameter of the outer wall of the core roller (51) is equal to that of the inner wall of the steel roller sleeve (52), the outer end face of the core roller (51) is located on the side wall of the outer end face of the steel roller sleeve (52), a welding line between the steel roller sleeve (52) and the core roller (51) is annular, and the welding line is distributed on the outer ring of the core roller (51) and the inner wall of the steel roller sleeve (52).
8. A safe cleaning line for cold-rolled steel strip according to claim 1, characterized in that: the two ends of the collecting pipe (13) are open, a heat exchange piece (20) is inserted and connected in the collecting pipe (13), the heat exchange piece (20) is fixed on end bases (201) which are circular at the two ends of the collecting pipe (13) in an inserting mode, an inner cavity is formed in each end base (201), pipe joints (203) communicated with the inner cavity of each end base (201) are formed on the outer end face of each end base (201), a plurality of heat exchange thin pipes (202) are arranged in the collecting pipe (13), and the two ends of each heat exchange thin pipe (202) are formed on the inner wall of each end base (201) and are communicated with the inner cavity of each end base (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336606.8A CN111519240B (en) | 2020-04-26 | 2020-04-26 | Safe cleaning line for cold-rolled steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010336606.8A CN111519240B (en) | 2020-04-26 | 2020-04-26 | Safe cleaning line for cold-rolled steel strip |
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| Publication Number | Publication Date |
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| CN111519240A true CN111519240A (en) | 2020-08-11 |
| CN111519240B CN111519240B (en) | 2022-04-15 |
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| CN202010336606.8A Active CN111519240B (en) | 2020-04-26 | 2020-04-26 | Safe cleaning line for cold-rolled steel strip |
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|---|---|
| CN111519240B (en) | 2022-04-15 |
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