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An electrolytic furnace group

An electrolytic furnace and furnace wall technology, which is applied to rare earth metallurgical equipment and application fields, can solve the problems of polluting the environment, difficult electrolytic cell temperature, waste of energy, etc., and achieve the effects of protecting the environment, preventing leakage, and improving operating conditions.

Active Publication Date: 2016-08-24
QIANDONG RARE EARTH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution has defects such as transferring part of the energy to an environment that is not strongly related to the product, which wastes energy and pollutes the environment, and it is difficult to control the temperature of the electrolytic cell in a timely and accurate manner.

Method used

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  • An electrolytic furnace group
  • An electrolytic furnace group
  • An electrolytic furnace group

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] See figure 1 , Figure 7 .

[0063] Electrolysis furnace, including feed pipe 1, adjusting part 3, sealing cover 4, furnace 5, furnace wall 6, shell 7, cathode 8, graphite anode 9, crucible 10, fixing part 11, jacket water cooler 12, insulation layer 16 and impermeable insulating parts 20. The outer shell 7 has an insulation layer 16 and a furnace wall 6 made of graphite material from the outside to the inside. The cavity in the furnace wall 6 forms a furnace 5 with an open top, and the top of the furnace 5 is provided with a sealing cover 4 covering the insulation layer 16 above. A cathode 8 and two graphite anodes 9 are provided in the furnace 5. The cathode 8 is made of a metal plate, one end is suspended vertically in the furnace 5, and the other end is a terminal 81, which penetrates the furnace wall 6 and the casing 7 to the outside of the casing 7; Part of it is hermetically fixed in the furnace wall 6, the insulation layer 16 and the outer shell 7, and there is ...

Embodiment 2

[0079] See figure 2 , Figure 7 .

[0080] Electrolysis furnace, including feed pipe 1, adjusting part 3, sealing cover 4, furnace 5, furnace wall 6, shell 7, cathode 8, anode 9, crucible 10, water cooler 12, insulation layer 16 and anti-seepage insulating part 20 . The shell 7 has an insulation layer 16 and a furnace wall 6. The cavity in the furnace wall 6 forms a furnace 5 with an open top. A sealing cover 4 is provided on the shell 7 to cover the shell 7 therein. The furnace 5 is provided with two cathodes 8a, 8b and three anodes 9a, 9b, 9c. Each of the cathodes 8 is a metal plate. One end outside the casing 7 to the inner wall of the furnace wall 6 is a terminal 81, and the other end passes through the casing 7 and the insulation layer 16, and the furnace wall 6 is vertically suspended from outside the casing 7. The inside of the furnace 5 is sealed and fixed in the furnace wall 6, the thermal insulation layer 16 and the outer shell 7 through an anti-seepage insulating c...

Embodiment 3

[0086] See image 3 , Figure 7 .

[0087] Electrolysis furnace, including feed pipe 1, adjusting part 3, sealing cover 4, furnace 5, furnace wall 6, shell 7, cathode 8, anode 9, crucible 10, channel 11, jacket water cooler 12, insulation layer 16 and Anti-seepage insulating component 20. The outer shell 7 has an insulation layer 16 and a furnace wall 6 in sequence. The cavity in the furnace wall 6 forms a furnace 5 with an open top. A sealing cover 4 is provided on the top of the furnace 5 to cover the insulation layer 16. Two cathodes 8 and four anodes 9 are provided in the furnace 5. One end of each cathode 8 passes through the outer casing 7 and the insulation layer 16, and the furnace wall 6 is suspended vertically in the furnace 5, and the other end outside the outer casing 7 becomes a terminal 81, which is connected to the power supply The cathodes are connected; each cathode 8 is sealed and fixed in the casing 7 and the insulation layer 16, the furnace wall 6, and there...

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Abstract

An electrolysis furnace group and an electrolysis method thereof belong to the technical field of rare earth metallurgy electrolysis equipment and its application. Comprising a common power supply (12) and at least 2 electrolytic furnaces; each of the electrolytic furnaces includes a cathode (8) and an anode (9), and the common power supply (12) and each electrolytic furnace are connected according to the positive pole of the common power supply (12) and the first electrolytic furnace. The anode of one electrolytic furnace is connected, the anode of each subsequent electrolytic furnace is connected to the cathode of the previous electrolytic furnace, and the cathode of the last electrolytic furnace is connected to the negative pole of the common power supply (12); the common power supply (12) The circuit for supplying power to each electrolytic furnace is a main circuit (41), and each electrolytic furnace also includes an adjustment component (3) for controlling the movement of the anode (9). It has the advantages of sensitive control, convenient use, high energy utilization rate, low power consumption and easy escape of gas generated during electrolysis. The unit power consumption of the product decreases as the number of electrolytic furnaces working in the electrolytic furnace group increases.

Description

Technical field [0001] The invention relates to an electrolysis furnace for producing rare earth metals and their alloys, and an electrolysis furnace group composed of the electrolysis furnace and a method of use. It belongs to the field of rare earth metallurgy equipment and application technology. Background technique [0002] In the production of rare earth metals and their alloys, electrolysis is a common production method. The electrolysis temperature for the production of rare earth metals and their alloys is usually above about 900°C. [0003] The publication date is February 13, 2013, and the publication number is CN102925931A. The Chinese patent application entitled "Side-insertion submersible lower cathode rare earth molten salt electrolyzer" discloses "Including: tank shell (10), side-insertion cathode (1) , Cathode conductive bar (2), insulating side wall (3), side fireplace lining (4), insulating ring (5), metal deflector (6), crucible (7), furnace bottom (8), anode ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/34C25C7/00
CPCC25C3/34C25C7/00
Inventor 龚斌蔡志双章立志刘明彪林伟清谢楠陈炎鑫郭雪锋钟延棕郭荣敏
Owner QIANDONG RARE EARTH GRP
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