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Electrolytic tank AB beam and manufacturing method thereof

A production method and electrolytic cell technology, which are applied in the field of electrolytic cell AB beams and production, can solve the problems of complex construction, insignificant effects, and large amount of steel, and achieve the effects of high bearing capacity, high rigidity, and steel saving.

Inactive Publication Date: 2015-04-15
GUIYANG AL-MG DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional I-shaped cross-section beam can solve this problem to a certain extent by adding stiffeners on both sides of the web at the load from the cradle, but the effect is not obvious and the amount of steel is large, making the construction complicated

Method used

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  • Electrolytic tank AB beam and manufacturing method thereof
  • Electrolytic tank AB beam and manufacturing method thereof
  • Electrolytic tank AB beam and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment

[0019] An electrolytic cell AB beam, such as Figure 1~4 shown. It includes an upper wing plate 1 and a lower wing plate 2 arranged in parallel, and a web 3 is arranged between the upper wing plate 1 and the lower wing plate 2; it is characterized in that: the cross-sectional shape of the web plate 3 is formed by a group of symmetrical trapezoidal end-to-end phases. wavy form. The oblique angle α of the trapezoid is 30-80°. The bends of the trapezoid are rounded corners 4 . The top and bottom of the web 3 are vertically welded to the upper flange 1 and the lower flange 2 respectively.

[0020] The manufacture method of aforementioned electrolyzer AB beam, as Figure 1~4 shown. In this method, the web 3 is made by bending the steel strip along the length direction into a trapezoidal wavy shape with an arc angle by a numerically controlled bending machine; 2 is welded with the bottom edge of the web 3, and the upper flange 1 is welded with the top edge of the web 3. T...

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Abstract

The invention discloses an electrolytic tank AB beam and a manufacturing method thereof. The AB beam comprises an upper wing plate, a web, and a lower wing plate. The upper wing plate is parallel to the lower wing plate, the web is arranged between the upper wing plate and the lower wing plate and is perpendicular to the upper wing plate and the lower wing plate, and the web is connected to the upper wing plate and the lower wing plate through twin fillet wolt. The cross section of the web is in a shape of trapezoidal waves with arc angles. Compared to the prior art, the AB beam has better mechanical performances such as higher bearing capacity, higher rigidity, better anti-twisting property, and the like. The provided AB beam has an excellent performance on resisting bending / twisting destruction and local bearing destruction which usually happens to electrolytic tank AB beams. The relationship between the cross section mechanical performances and steel using amount is greatly optimized by the provided cross section combination, and moreover the used steel materials are largely reduced compared to that of conventional AB beams.

Description

technical field [0001] The invention relates to an AB beam of an electrolytic cell and a manufacturing method thereof, and belongs to the technical field of manufacturing the hanging steel beam of the electrolytic cell. Background technique [0002] The AB beam is the key component of electrolytic aluminum production. Modern large-scale aluminum electrolytic cells mostly use cradle shells, and the lower structure is mainly composed of electrolytic cell shells and a series of cradle frames. The long side load of the tank shell is mainly borne by the cradle frame, and finally transmitted to the foundation through the AB beam. As one of the ways of force transmission, the AB beam generally adopts an I-shaped section and is placed directly on the concrete pier. The AB beam is the main supporting component of the cradle frame of the electrolytic cell. The cradle frame exerts a very large concentrated force on the AB beam, and due to temperature expansion, it produces a large hor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/10
CPCC25C3/10
Inventor 王伟
Owner GUIYANG AL-MG DESIGN & RES INST