Grinding Process Of Limestone Closed Circuit Production

2021-04-14

Summary:Limestone powder manufacturers choose closed-circuit process, which can reduce over grinding phenomenon, improve mill efficiency and reduce energy consumption. In addition, the particle size of limest

Limestone powder manufacturers choose closed-circuit process, which can reduce over grinding phenomenon, improve mill efficiency and reduce energy consumption. In addition, the particle size of limestone powder produced by closed-circuit process is uniform and easy to adjust, which can meet the requirements of different fineness.

Process Description

Limestone falls onto the belt conveyor through the hopper at the bottom of the silo, and then it is sent to the mill for grinding.

Because the grinding roller is tightly rolled on the grinding ring under centrifugal force, the material is shoveled by the blade to the middle of the grinding roller and the grinding ring, and the material is broken into powder under the action of the grinding pressure.

Under the action of fan, the powder material is blown out and graded by the classifier above the mill.

Advantage Of Production Process

The material contains certain water, and certain water vapor will be generated during grinding. Due to the incomplete sealing of the whole pipeline, certain external gas will be inhaled, which will increase the circulating air volume of the system. In order to ensure the mill works under negative pressure, the excess air volume will be discharged into the air after being purified by bag dust collector.

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