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Structure for preventing large-sized aluminum cell case from deforming

An aluminum electrolytic cell and cell shell technology is applied in the structural field of preventing the deformation of the large aluminum electrolytic cell shell, which can solve the problems affecting the production and operation of the electrolytic cell, and achieve the effect of preventing the damage of the cathode, being easy to realize, and facilitating the production and operation.

Active Publication Date: 2010-12-22
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a structure for preventing the deformation of the large-scale aluminum electrolytic cell shell, which solves the problem that the upper arch of the electrolytic cell bottom affects the production operation of the electrolytic cell, and can prolong the life of the electrolytic cell

Method used

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  • Structure for preventing large-sized aluminum cell case from deforming
  • Structure for preventing large-sized aluminum cell case from deforming
  • Structure for preventing large-sized aluminum cell case from deforming

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] Such as Figure 1-Figure 3 As shown, the shroud 3 is connected between the cradle frame 2 of the electrolytic cell shell 1 . The girdle 3 can be connected to two adjacent cradle stands 2, and can also be connected to a plurality of cradle stands 2 at the same time. Such as Figure 4-Figure 6 As shown, the shroud 3 can be welded between the wing plates 4 of two adjacent cradle frames, and can also be welded between the vertical plates 5 of two adjacent cradle frames, so that its upper end should be as close to or as close to the upper edge of the tank shell as possible. Mouth 6 flush.

[0024] For the 280kA~700kA large-capacity aluminum electrolytic cell, the whole formed by the cradle frame 2 and the shroud 3 can be closed or open.

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Abstract

The invention relates to a structure for preventing the deformation of a bath shell of a large aluminum electrolytic bath, belonging to the technical field of aluminum electrolytic bath structure. The structure for preventing the deformation of the bath shell of the large aluminum electrolytic bath is as follows: a lashing strip (3) is connected among cradle racks (2) surrounding the bath shell of the aluminum electrolytic bath (1). The structure effectively solves the problem that the bath bottom upwarps in the roasting and startup processes of the aluminum electrolytic bath, and simultaneously reduces the deformation of large and small surfaces. The method not only prevents the occurrence of damage to the cathode, but also facilitates the production operation and prolongs the service life of the electrolytic bath. The structure has simple structure, convenient operation, easy realization, obvious effect and extremely wide market prospect.

Description

technical field [0001] The invention relates to a structure for preventing deformation of a large-scale aluminum electrolytic cell shell, and belongs to the technical field of aluminum electrolytic cell structures. Background technique [0002] Large-capacity aluminum electrolytic cells often leak at the initial stage of firing, which is mainly caused by damage to the cathode and leakage of electrolyte and molten aluminum. During the firing start-up process, the temperature of the electrolytic cell rises from room temperature to the production temperature (950-960°C). Due to the temperature gradient of the tank shell itself and the thermal expansion of the lining material, it is easy to cause the bottom of the tank to arch. On the one hand, the arching of the bottom of the tank is likely to cause early damage to the cathode, resulting in leaks during the firing start-up process; on the other hand, it is easy to cause difficulties in production operations. Its main performan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/10
Inventor 刘铭周东方邹智勇
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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