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Method for preventing bottom of aluminum cell from upwarping and structure thereof

A technology of aluminum electrolytic cell and arch structure, which is applied in the anti-arching method and structure field of the aluminum electrolytic cell during the roasting start-up process, can solve problems such as difficult production and operation, and achieve simple structure, convenient production and operation, and easy realization Effect

Active Publication Date: 2009-05-27
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and its structure for preventing the bottom of the aluminum electrolytic cell from arching. This method applies a downward force to the bottom of the electrolytic cell to offset the upward arching force of the cell bottom, preventing the electrolytic cell from The upper arch of the bottom not only solves the problem of cathode cracks, but also solves the problem of difficult production and operation, which can prolong the life of the electrolytic cell

Method used

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  • Method for preventing bottom of aluminum cell from upwarping and structure thereof
  • Method for preventing bottom of aluminum cell from upwarping and structure thereof
  • Method for preventing bottom of aluminum cell from upwarping and structure thereof

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Embodiment 1

[0036] Embodiment 1: As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, an anti-arch structure at the bottom of the aluminum electrolytic cell, which uses a connecting mechanism 14 to connect the cradle frame 1 of the electrolytic cell to the support pier of the electrolytic cell 13 are connected to prevent the deformation of the upper arch of the cradle frame 1 forcibly. This connecting mechanism 14 mainly contains: upper link 4, lower link 9, fork joint 7, steel plate 2, steel plate 3, bolt nut 5, bolt nut 6, bolt nut 8, bolt nut 10, bolt 11 and nut 12.

specific Embodiment approach

[0037] The specific embodiment: weld steel plate 2 on the cradle frame 1 of electrolyzer, open three bolt holes on steel plate 2, connect with another steel plate 3 by bolt nut 5, steel plate 3 is connected with upper link 4 by bolt nut 6, The upper link 4 and the lower link 9 are connected by a fork joint 7. The advantage of using the fork joint 7 is that the upper link 4 and the lower link 9 can not only rotate back and forth, but also can rotate left and right, so that it is convenient for the cradle frame 1 to connect with the electrolytic The connection between the groove buttresses 13 does not produce rigid constraints, and the fork joint 7 and the lower link 9 are connected by bolts and nuts 8 . The lower link 9 is connected to the electrolytic cell abutment 13 through bolts and nuts 10 , as shown in FIG. 4 , the bolts and nuts 10 are composed of bolts 11 and nuts 12 . The advantage of using bolt connection is that it is convenient for construction and easy to operate. ...

Embodiment 2

[0043] Embodiment 2: as shown in Fig. 5, Fig. 6, Fig. 3 and Fig. 4, the connecting mechanism 14 adopted is the same as that of Embodiment 1, and the implementation mode of the connecting mechanism 14 is also the same, the difference is that this embodiment is in electrolysis On the cradle frame 1 at the bottom of the tank, two connection mechanisms 14 are adopted, which are distributed on the cradle frame 1 near the center line of symmetry of the electrolyzer. The steel plate 2 and another steel plate 3 can also be welded; the steel plate 3 and the upper link 4 are welded; the lower link 9 and the electrolytic cell pier 13 are welded; the fork joint 7 and the lower link 9 The connection is welded.

[0044] In this embodiment, an insulating structure is provided at the bolt joints to insulate the cradle frame 1 of the electrolytic cell from the supporting pier 13 of the electrolytic cell. The insulating structure can adopt any structure that can realize insulation, such as ins...

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Abstract

The invention discloses a method for preventing the bottom of an aluminum electrobath from upwarpping and a structure thereof and in particular relates to a method for preventing the bottom of the aluminum electrobath from upwarpping in the roasting startup process and a structure thereof. The structure comprises: the bottom of the aluminum electrobath is connected with a connecting mechanism (14); one end of the connecting mechanism (14) is connected with a cradle rack (1) on the underside of the aluminum electrobath; and the other end of the connecting mechanism (14) is fixed on a supporting pillar (13) of the electrobath. The method can solve the problem that the bottom of the aluminum electrobath is upwarpped and deformed in the roasting startup process, can prevent producing the crack of cathode and is convenient to produce and operate. The structure has a simple structure, easy realization in operation, obvious effect and wide market prospect.

Description

technical field [0001] The invention relates to a method and structure for preventing the bottom of the aluminum electrolytic cell from arching, in particular to a method and structure for preventing the bottom of the aluminum electrolytic cell from arching during the roasting start-up process. Background technique [0002] With the rapid development of the aluminum electrolysis industry, a series of achievements have been made in the development of large-capacity aluminum electrolysis cells in my country. Large-capacity aluminum electrolysis cells have become the main cell type of the aluminum electrolysis industry. At present, the largest cell type in China is 400kA, and the maximum capacity of series production The electrolytic cell is a 350kA prebaked anode electrolytic cell, and the length of the cell shell is about 18 meters. With the development of large-capacity electrolytic cells, the service life of electrolytic cells has attracted the attention of the aluminum indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/08C25C3/10
CPCC25C3/08
Inventor 杨晓东刘雅锋周东方邹智勇刘铭
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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