Anode carbon block heat treatment furnace for aluminum electrolytic cell
A technology of anode carbon block and aluminum electrolytic cell, which is applied in the field of aluminum electrolysis, can solve the problem of unsuitable anode carbon block treatment, etc., and achieves the effects of simple structure, low construction cost and operation cost, and easy installation.
Active Publication Date: 2019-04-05
CENT SOUTH UNIV
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However, the above-mentioned patents are not suitable for processing the impregnated anode carbon block
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[0031] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered by the claims.
[0032] see Figure 1 to Figure 3 , a kind of anode carbon block heat treatment furnace for aluminum electrolytic cell of the present invention is used for heating the anode carbon block 6 of cuboid structure after impregnating, and the anode carbon block heat treatment furnace for aluminum electrolytic cell comprises furnace body frame 1, heating device 2, smoke Gas treatment device 3, liquid collection device 4 and furnace bottom support frame 5.
[0033] The furnace body frame 1 comprises a top plate 11 and a bottom plate 12, both of which are refractory asbestos boards; the top plate 11 is arranged on the top of the furnace body frame 1, and the bottom plate 12 is arranged on the bottom of the furnace body frame 1; The smoke outlet 11a and the liquid o...
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The invention discloses an anode carbon block heat treatment furnace for an aluminum electrolytic cell. The anode carbon block heat treatment furnace comprises a furnace body frame, a heating device,a flue gas treatment device, a liquid collecting device and a furnace bottom supporting frame. The furnace body frame comprises a top plate and a bottom plate. A flue gas outlet is formed in the top plate. A liquid outlet is formed in the bottom plate. The heating device is an electromagnetic induction coil, wherein the side part of the electromagnetic induction coil is provided with clay sealant.The two ends of the electromagnetic induction coil are connected with the top plate and the bottom plate correspondingly to form a furnace hearth. The flue gas treatment device comprises a flue gas treatment chamber and a plurality of silicon carbon rods. The silicon carbon rods penetrate through the flue gas treatment chamber. The liquid collecting device comprises a liquid collecting disc and aheat insulating sleeve which are arranged below the bottom plate. The furnace bottom supporting frame penetrates through the liquid collecting disc and the liquid outlet and extends into the furnacehearth to be used for supporting an anode carbon block. According to the anode carbon block heat treatment furnace, heat treatment is conducted on the impregnated anode carbon block, impregnating agent volatile matter can be carbonized, and a drippy impregnating agent is recycled; and the anode carbon block heat treatment furnace is simple in structure, easy to install and low in cost and runningcost.
Description
technical field [0001] The invention relates to the technical field of aluminum electrolysis, in particular to an anode carbon block heat treatment furnace for an aluminum electrolytic cell, which is used for heat treatment of the impregnated anode carbon block. Background technique [0002] With the continuous development of electrolytic aluminum technology, the requirements for volume density and porosity of anodes for aluminum electrolytic cells are getting higher and higher. Anodes with high volume density and low porosity have the advantages of long service life, pressure drop, and strong oxidation resistance. For this reason, an anode impregnation process to increase the density of the anode body and reduce the porosity came into being. However, after the impregnation of the anode carbon block for aluminum electrolytic cells, the pores are filled with impregnating agent (pitch). If the impregnated anode carbon block directly into the tank, the high temperature of the e...
Claims
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IPC IPC(8): F27D11/06C25C3/12
CPCC25C3/12F27D11/06
Inventor 李贺松陈本军何翔天李茂肖新宇
Owner CENT SOUTH UNIV