A feeder for ultra-fine or low bulk density powder in an aluminum electrolytic cell and a feeder method thereof

A technology of aluminum electrolytic cell and bulk density, which is applied in the field of metallurgical industry, can solve the problems such as the deterioration of the production workshop environment and the inability to accurately feed alumina particles into the feeding port, and achieve the effects of simple and reliable structure, reduced flying loss, and convenient maintenance
CN110629254BActive Publication Date: 2021-08-03NORTHEASTERN UNIV LIAONING
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHEASTERN UNIV LIAONING
Publication Date
2021-08-03

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Abstract

The invention belongs to the technical field of metallurgical industry, and in particular relates to an aluminum electrolytic cell ultra-fine or low bulk density powder feeder, comprising a shell, a first compression device, a second compression device and a discharge pot; the inner cavity of the shell is opened There is a cavity communicating with the outside, a feed port is opened on the side wall of the housing, the top of the first piston is fixedly connected to the other end of the first driving rod; the second piston is connected to the second A compression chamber is formed between the piston rods, the side wall of the compression chamber is provided with a compressed air inlet, and the bottom of the discharge pot is provided with a diversion groove connected thereto. Compress the volume of the material, and use compressed air to discharge the material from the diversion tank to the electrolytic cell at a certain initial speed, which can effectively reduce the flying loss of ultra-fine powder and materials with low bulk density, and improve the effectiveness of feeding. Simple and reliable, good sealing, easy maintenance, can adapt to long hours of work.
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Description

Technical field

[0001] The present invention belongs to the technical field of metallurgical industries, and more particularly to an aluminum electrolytic tank ultrafine or low capacitive powder or a method of sheeting thereof. Background technique

[0002] Aluminum electrolysis is a high energy industry, and a large amount of electrical energy needs to be consumed during alumina electrolysis, and the temperature required for electrolysis is maintained by the heat generated by the current. In the aluminum electrolysis process, alumina is added to the aluminum electrolytic cell, complete dissolution, diffusion and transportation;

[0003] During the existing aluminum electrolysis, when the amount of material having an electrolysis is required to be less than 40 ΞΌm, the material is a super fine powder, and the ultrafine powder comprises: alumina powder, fluorinated aluminum powder, fly ash or the like. After the fine powder of less than 40 ΞΌm is discharged from the lower plate, it ...

Claims

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