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CN-224212795-U - Electrolytic furnace for preparing rare earth metal

CN224212795UCN 224212795 UCN224212795 UCN 224212795UCN-224212795-U

Abstract

The utility model belongs to the field of rare earth metal electrolytic machining, in particular to an electrolytic furnace for preparing rare earth metal, which comprises a furnace body, wherein a driving motor is arranged at the top of the furnace body, the output end of the driving motor penetrates through the furnace body and is connected with a reciprocating screw rod, the reciprocating screw rod is arranged in a cylindrical cavity on the inner wall of the furnace body and is rotationally connected with the bottom of the cavity, a longitudinal sliding groove is formed in the surface of the cylindrical cavity, the surface of the reciprocating screw rod is in threaded connection with a cylindrical block matched with the cylindrical cavity, a sliding block sliding in the sliding groove is arranged on the side surface of the cylindrical block, the real-time scraping function of residual materials on the inner wall in the electrolytic process is realized through the structural design that an elastic scraping strip sleeved on the outer wall of a fixed ring is in interference contact with the inner wall of the furnace body, the problem that the residual materials on the inner wall of the traditional electrolytic furnace cannot participate in the reaction and are difficult to clean is solved, the scraping effect is enhanced by high-temperature-resistant silica gel materials and wavy scraping teeth of the elastic scraping strips, the materials are ensured to participate in the reaction again and solidification residues are reduced.

Inventors

  • JIANG KUNCHENG
  • Qiu Jingan
  • HUANG JIN
  • YANG FUQUN

Assignees

  • 福建省华裕天恒科技有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (6)

  1. 1. The electrolytic furnace for preparing the rare earth metal is characterized by comprising a furnace body (1), wherein a driving motor (2) is arranged at the top of the furnace body (1), the output end of the driving motor (2) penetrates through the furnace body (1) and is connected with a reciprocating screw rod (3), the reciprocating screw rod (3) is arranged in a cylindrical cavity (4) on the inner wall of the furnace body (1) and is rotationally connected with the bottom of the cavity, a longitudinal sliding groove (5) is formed in the surface of the cylindrical cavity (4), a cylindrical block (6) matched with the cylindrical cavity (4) is connected with the surface of the reciprocating screw rod (3) in a threaded manner, and a sliding block (7) sliding in the sliding groove (5) is arranged on the side surface of the cylindrical block (6); The device is characterized in that the surface of the sliding block (7) is fixedly connected with a fixed ring (8) attached to the inner wall of the furnace body (1), an inner ring (9) is arranged in the middle of the fixed ring (8), a separating ring (10) is symmetrically arranged at four corners between the inner ring and the fixed ring, and an elastic scraping strip (11) is sleeved on the outer wall of the fixed ring (8).
  2. 2. The electrolytic furnace for preparing rare earth metal according to claim 1, wherein a limiting block (12) is arranged on one side of the fixed ring (8), a sliding hole is formed in the surface of the limiting block (12), a limiting groove (13) is formed in the other side of the inner wall of the furnace body (1), and a limiting rod (14) in sliding fit with the sliding hole is arranged in the limiting groove (13).
  3. 3. The electrolytic furnace for preparing rare earth metal according to claim 1, wherein the elastic scraping strip (11) is made of high-temperature resistant silica gel, the section of the elastic scraping strip is in a trapezoid structure and is in interference contact with the inner wall of the furnace body (1), and wavy scraping teeth are formed on the surface of the elastic scraping strip (11).
  4. 4. The electrolytic furnace for preparing rare earth metal according to claim 1, wherein the driving motor (2) is a variable-frequency speed-regulating motor, an output shaft of the driving motor is rigidly connected with the reciprocating screw rod (3) through a coupling, and a thread lead angle of the reciprocating screw rod (3) is matched with an internal thread of the cylindrical block (6).
  5. 5. The electrolytic furnace for preparing rare earth metal according to claim 1, wherein the separating ring (10) is of an elastic metal net structure, the four-angle symmetrical distribution interval is 1/4-1/2 of the diameter of the inner ring (9), and the edge of the separating ring (10) is welded and fixed with the inner ring (9).
  6. 6. The electrolytic furnace for preparing rare earth metals according to claim 1, wherein graphite lubrication layers are coated on the inner walls of the sliding grooves (5), self-lubricating copper sleeves are arranged on the contact surfaces of the sliding blocks (7) and the sliding grooves (5), and buffer blocks are arranged at two ends of the sliding grooves (5).

Description

Electrolytic furnace for preparing rare earth metal Technical Field The utility model relates to the field of rare earth metal electrolytic machining, in particular to an electrolytic furnace for preparing rare earth metal. Background The molten salt electrolytic method is a main industrial method for preparing mixed rare earth metal and single light rare earth metal of lanthanum, cerium, praseodymium, neodymium, etc., and has the characteristics of large production scale, no need of reducing agent, continuous production and economy and convenience, therefore, the molten salt electrolytic method plays an important role in the production of rare earth metal and has a wide application range. In the prior art, as disclosed in CN220685271U, an electrolytic furnace for preparing rare earth metal is disclosed, which comprises a body, wherein a cover plate is fixedly arranged at the top of the body, a cathode and an anode are respectively and fixedly arranged at the lower side of the cover plate, a crucible is fixedly arranged in the body, and a stirring mechanism is arranged at the outer side of the cover plate; the above patent can ensure that the stirring blade can be stably contacted with electrolyte with different liquid levels, ensure that the stirring blade can efficiently stir the electrolyte, and improve the electrolytic reaction effect, but during the stirring reaction, part of liquid and materials remain attached to the inner wall of the reaction device, and the part of materials cannot participate in the preparation reaction and are solidified at the later stage, thereby bringing inconvenience to the later stage cleaning, and therefore, the electrolytic furnace for preparing rare earth metal is provided for solving the above problems. Disclosure of utility model In order to make up the deficiency of the prior art, the inner wall of the reaction device is caused to remain and adhere to part of liquid and materials during the stirring reaction, and the part of materials can not participate in the preparation reaction and can be solidified at the later stage, thereby bringing inconvenience to the cleaning at the later stage. The technical scheme includes that the electrolytic furnace for preparing rare earth metal comprises a furnace body, a driving motor is arranged at the top of the furnace body, the output end of the driving motor penetrates through the furnace body and is connected with a reciprocating screw rod, the reciprocating screw rod is arranged in a cylindrical cavity on the inner wall of the furnace body and is rotationally connected with the bottom of the cavity, a longitudinal sliding groove is formed in the surface of the cylindrical cavity, a cylindrical block matched with the cylindrical cavity is connected with the surface of the reciprocating screw rod in a threaded mode, a sliding block sliding in the sliding groove is arranged on the side face of the cylindrical block, the surface of the sliding block is fixedly connected with a fixed ring attached to the inner wall of the furnace body, an inner ring is arranged in the middle of the fixed ring, separation rings are symmetrically arranged at four corners between the inner ring and the outer wall of the fixed ring is sleeved with elastic scraping strips. Preferably, a limiting block is arranged on one side of the fixed ring, a sliding hole is formed in the surface of the limiting block, a limiting groove is formed in the other side of the inner wall of the furnace body, and a limiting rod which is in sliding fit with the sliding hole is arranged in the limiting groove. Preferably, the elastic scraping strip is made of high-temperature resistant silica gel, the section of the elastic scraping strip is of a trapezoid structure and is in interference contact with the inner wall of the furnace body, and wavy scraping teeth are formed on the surface of the elastic scraping strip. Preferably, the driving motor is a variable-frequency speed regulating motor, an output shaft of the driving motor is rigidly connected with the reciprocating screw rod through a coupler, and the thread lead angle of the reciprocating screw rod is matched with the internal thread of the cylindrical block. Preferably, the separating ring adopts an elastic metal net structure, the four-angle symmetrical distribution space is 1/4-1/2 of the diameter of the inner ring, and the edge of the separating ring is welded and fixed with the inner ring. Preferably, the inner wall of the chute is coated with a graphite lubrication layer, the contact surface of the sliding block and the chute is provided with a self-lubricating copper sleeve, and two ends of the chute are provided with buffer blocks. The utility model has the advantages that: 1. According to the utility model, through the structural design that the elastic scraping strips sleeved on the outer wall of the fixed ring are in interference contact with the inner wall of the furnace body, the real-time scraping functio