A continuous prebaked anode carbon block with split super-long packing block structure

Abstract

The invention discloses a continuous prebaked anode carbon block with a split-type ultralong filling block structure. The continuous prebaked anode carbon block comprises a carbon block body, whereincarbon bowls are arranged on the carbon block body; mechanical steel claw connecting ring slots are arranged on the carbon block body and positioned at the bottoms of the carbon bowls; and ultralong carbon bowl filling blocks are movably arranged in the carbon bowls. The continuous prebaked anode carbon block disclosed by the invention has the beneficial effects that through the cooperation with acasting and mechanical composite steel claw, the continuous use of a prebaked anode can be achieved; the time for the connection with a new anode carbon block is short, the labor intensity is low, and the use is convenient; the new carbon block and old carbon block bonding area can be increased, the carbon block connecting strength can be improved, the overall electrical resistance of the continuous prebaked anode carbon block can be reduced, the service life of a single carbon block can be prolonged, and the low product cost can be achieved; through the carbon block body and the split-type ultralong filling block structure, the production efficiency can be improved, the product qualification rate can be improved, the energy consumption per unit product can be reduced, the breakage rate can be reduced, and the conveying, hoisting and mounting processes can be simple and convenient; the cost of every link can be greatly reduced; and the great economic benefits and practical value can be achieved.

Description

technical field [0001] The invention relates to a prebaked anode carbon block for an aluminum electrolytic cell, in particular to a continuous prebaked anode carbon block with a split-type ultra-long filling block structure. Background technique [0002] Modern electrolytic aluminum processes use prebaked anodes to produce electrolytic aluminum. When the electrolytic cell is working, the anode assembly is composed of aluminum guide rod, explosion disc, anode steel claw, phosphorus pig iron casting layer and prebaked anode carbon block. The prebaked anode carbon block is generally a cuboid with a stable geometric shape. It uses stone tar and pitch coke as the aggregate and coal tar pitch as the binder. It has different sizes according to the size of the electrolytic cell current and the process. The current density is generally in the range of 0.68-0.9A / cm2, and the service life of each carbon block is generally about 30 days. In the production process of electrolytic alumi...

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Problems solved by technology

[0008] In summary, the prior art has the following technical defects: 1. The existing prebaked anode production of electrolytic aluminum causes huge loss of heat energy when replacing the anode, which takes time to replace the anode and causes waste of electric energy. The conditions are extremely bad, the waste of carbon materials is large, and the environment is seriously polluted; 2. Chinese patent 201710088066.4 discloses the method and structure of the prebaked anode aluminum electrolysis online connection anode, when the old carbon block is to be connected with the new carbon block due to the The carbon bowl is hollow, and the bonding area on the old carbon block is small, which leads to the weak bonding between the old carbon block and the new carbon block. After bonding, the overall strength of the anode carbon block is poor, and the conductive contact is small. After bonding, the anode carbon block The overall resistance of the block increases, the voltage drop increases, the energy consumption of electrolysis is large, and the production cost is high; 3. The upper and lower parts of the existing anode carbon block have a prebaked anode carbon block with multiple raised parts, which is difficult to form, roast and transport , high energy consumption, low yield and high cost

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