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Isometric segmentation method for aluminum electrolysis cell cathode steel rods

A technology of aluminum electrolytic cells and cathode steel rods, applied in the field of distance segmentation, can solve problems such as unreasonable segmentation of steel rods, achieve obvious energy-saving effects, improve current efficiency, and optimize current distribution.

Active Publication Date: 2016-06-15
MCC TIANGONG GROUP
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and provide a method for equidistantly segmenting the cathode steel rods of aluminum electrolytic cells, which can solve a series of problems caused by unreasonable segmenting of existing steel rods

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  • Isometric segmentation method for aluminum electrolysis cell cathode steel rods

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] The spacing (2) (i.e. L1) of the anode carbon blocks between two groups of anode carbon blocks (1) of the same specification and the same tank type aluminum electrolytic cell is fixed, and the cathode of the electrolytic cell is composed of the cathode carbon block (3) and the The cathode steel rod (4) is assembled. When assembling the cathode steel rod (4), adjust the segmentation spacing (5) (i.e. L2) between the two sections of cathode steel rods to make it equal to the two groups of anode carbon block spacing (2) (i.e. L1) (i.e. L1= L2), and make the two-section cathode steel rod (4) symmetrical to the center of the cathode carbon block (3).

[0017] The equidistant segmentation technique of the present invention has two data that must be strictly controlled:

[0018] 1. The deviation between the interval between cathode steel rods (5) (ie L2) and the di...

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Abstract

The invention discloses an isometric segmentation method for aluminum electrolysis cell cathode steel rods. A segmentation gap between two sections of cathode carbon rods is equal to a gap between two sets of anode carbon blocks of an aluminum electrolysis cell; and the two sections of cathode steel rods are symmetrical about the center line of the cathode carbon blocks of the aluminum electrolysis cell. The method is wide in application range, is applied to the production for real measurement, reduces the production voltage fluctuation by near 50%, reduces the level current by about 30%, is more obvious in current stabilizing and energy saving effect, is convenient for segmentation technology operation, and needs no complex design and calculation.

Description

Technical field: [0001] The invention is applied to the construction and production of aluminum electrolytic cells of various specifications in the electrolytic aluminum industry, and particularly relates to a method for equidistantly segmenting cathode steel rods of the aluminum electrolytic cell. Background technique: [0002] Aluminum electrolytic cell is a kind of production equipment with high energy consumption. The production current often reaches hundreds of thousands of amperes, and a large level of current will inevitably be generated during the production process. The generation of horizontal current not only significantly increases the vertical magnetic field, but also causes violent fluctuations of the aluminum liquid and serious deformation of the interface between the electrolyte and the aluminum liquid, which affects the stability of the magnetic fluid in the tank, resulting in a large amount of reactive power consumption. [0003] Segmenting the cathode stee...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/08
CPCC25C3/08
Inventor 杨利军
Owner MCC TIANGONG GROUP
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