Repair method suitable for deformation of hanging hole of anode guide rod

A technology of an anode guide rod and a repair method is applied in the field of repairing the deformation of the anode guide rod hanging hole, which can solve the problems of high scrap rate, waste of resources, inconvenient replacement of the anode guide rod, etc., so as to reduce the production cost, save the maintenance and replacement cost, Solve the effect of deformation and scrap

Pending Publication Date: 2022-06-21
NAT ELECTRIC POWER INVESTMENT GRP YELLOW RIVER UPSTREAM HYDROPOWER DEV CO LTD +2
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of inconvenient replacement o

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  • Repair method suitable for deformation of hanging hole of anode guide rod
  • Repair method suitable for deformation of hanging hole of anode guide rod
  • Repair method suitable for deformation of hanging hole of anode guide rod

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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

[0022] In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements....

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Abstract

The invention relates to the field of production of large prebaked electrolytic cells, in particular to a repair method suitable for deformation of an anode guide rod hanging hole. Comprising the steps that a deformed sheath at a lifting hole of the deformed guide rod is dismantled, a new sheath is placed in the lifting hole of the deformed guide rod, a gap between the new sheath and the lifting hole of the deformed guide rod is subjected to repair welding through a self-propagating welding method, and the two ends of a welding face are polished to be smooth; compared with the prior art in which a new technology combining steel sheath replacement with self-propagating welding is adopted, the problem that the guide rod lifting hole is deformed and scrapped can be effectively solved, the maintenance and replacement cost of the anode guide rod is greatly saved, and a shortcut is found for reducing the production cost of electrolytic aluminum enterprises.

Description

technical field [0001] The invention relates to the production field of large-scale pre-baked electrolytic cells, in particular to a repairing method suitable for the deformation of an anode guide rod hanging hole. Background technique [0002] After long-term continuous use of the anode guide rod of the large-scale pre-baked electrolytic cell, the steel inner sheath of the lifting hole of the guide rod is subjected to the pulling force, and the deformation leads to the deformation of the lifting hole, resulting in the deviation of the center distance of the lifting hole of the guide rod, which affects the assembly of the anode. Production, it will have an impact on the cleaning of the residual electrode, the pressure stripping, the pouring of the new anode and the adjustment of the electrode distance during the electrolysis production process. Domestic electrolytic aluminum enterprises do not have a good repair method for the lifting hole of the aluminum guide rod. Usually,...

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Application Information

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IPC IPC(8): B23P6/00
CPCB23P6/00
Inventor 柴永辉梁晓光胡洪涛黄青措金岭常海军樊世魁宁磊刘虎平
Owner NAT ELECTRIC POWER INVESTMENT GRP YELLOW RIVER UPSTREAM HYDROPOWER DEV CO LTD
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