Abstract
The article addresses the issue of grinding cement clinker in ball mills. The world various activities increasing the efficiency of the ball mills with low efficiency are presented and offered in the article. An effective way to increase the efficiency of ball mills is to transfer them to a closed circuit of work with air separators. To improve the air separator efficiency, the article proposes a modified aerodynamic design of the air separator. The parameters of the components included in the aerodynamic scheme, such as cyclones, dampers, a fan, a rotary valve and so on, are determined. A mathematical model of the modified separator operation recorded for the circulation circuit and the main direction of the path are proposed. According to the proposed method, an industrial air separator was calculated to obtain the fine powders. It is shown that by controlling the proposed aerodynamic scheme gas material tract air separator parameters, the separation process can be controlled.
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