Carbon raw material crushing screening method and system

A technology of crushing and screening raw materials, which is applied in the field of raw material crushing and screening methods and systems for the production of aluminum anodes, cathodes and electrodes. Load and other problems, to avoid overload, the effect of reasonable particle size distribution of ingredients

Inactive Publication Date: 2009-06-10
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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Problems solved by technology

This leads to excessive crushing of raw materials, resulting in too much fine material in raw materials, unre

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  • Carbon raw material crushing screening method and system

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[0029] The present invention will be further described in detail below in conjunction with the embodiments, but the protection scope of the present invention is not limited by the embodiments.

[0030] The method for crushing and screening carbonaceous raw materials of the present invention includes the following steps: sending the raw materials to the belt conveyor 6, the belt conveyor 6 receives the raw materials from the raw material storage bin 3, and the raw material storage bin 3 first sends the raw materials to the feeder The machine 5 is sent to the belt conveyor 6. The raw material silo 3 receives the raw materials conveyed by the reversible belt conveyor 2, and the reversible belt conveyor 2 receives the raw materials conveyed by the first belt conveyor 1, and passes through the belt conveyor. The online sampling analyzer 7 at the end of the machine 6 analyzes and controls the three-way valve 8 to discharge the material according to the size of the raw material. The thre...

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Abstract

The invention discloses a method and a system for crushing and sieving carbon raw materials, and in particular relates to a method and a system for crushing and sieving raw materials suitable for producing aluminum anodes, aluminum cathodes and aluminum electrodes. The method for crushing and sieving the carbon raw materials comprises: sending the raw materials to a belt conveyer; analyzing the raw materials by an online sampling analyzer which is arranged at the tail end of the belt conveyer; controlling a triple valve to discharge the raw materials according to the size fraction of the raw materials; and sending the raw materials to a bucket elevator which sends the raw materials to a sieving device for sieving. The method and the system have the advantages that the technological process of sieving first and crushing later or crushing first and sieving later can be selected according to the particle size distribution result of the materials by the novel technology for crushing and sieving the carbon raw materials; and oversize is returned back to a crusher for continuous crushing, and undersieves with different size fractions enter different proportioning bins respectively, so that overloading of the sieving device and a crushing device and overcrushing of the raw materials are avoided.

Description

technical field [0001] The invention relates to a method and system for crushing and screening carbonaceous raw materials, in particular to a method and system for crushing and screening materials suitable for producing aluminum anodes, cathodes and electrodes. Background technique [0002] The raw materials used in the production of aluminum anodes, cathodes and electrodes, including the production return materials, must be crushed and screened into materials of various particle sizes according to the formula requirements. 1. Screening is an essential process for the production of carbon products. The particle size distribution of raw materials produced by crushing and screening affects the amount of binder and the quality indicators of density, porosity, and mechanical strength of carbon products. The technological process adopted by the existing crushing and screening system is that all raw materials directly enter the crusher, and after crushing, they directly enter the ...

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Application Information

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IPC IPC(8): B02C23/08B02C23/02
Inventor 王敏崔银河孙毅樊利军明文雪
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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