How fine powder grinding works

- Oct 01, 2019-

After the bulk material is crushed to the required particle size by the hammer crusher, it is sent to the silo by the hoist, and is fed into the mainframe evenly and continuously through the feeding equipment. The material entering the main machine falls to the upper part of the main turntable with the inclined diversion tube. On the bulk tray.

When the ultra-fine grinding machine is working, dozens of grinding rollers rotate and roll in the loop. The material is scattered by the bulk disc to the periphery under the action of centrifugal force and falls into the grinding chamber, and is punched, rolled and ground by the grinding roller in the loop.

After multi-layer pulverization and grinding, the material enters the classifier with the fan airflow to classify the powder. Under the action of the impeller of the classifier, the material that does not meet the fineness requirements falls back into the grinding chamber and is re-grinded. The material required by the degree is separated into the cyclone dust collector and the partial powder is separated and collected, and discharged from the bottom discharge device to obtain the finished powder.

The rest of the powder enters the pulse dust collector from the upper part of the cyclone dust collector and adheres to the surface of the filter bag. The pulse valve controls the high-pressure airflow to instantaneously spray into the filter bag, causing the filter bag to violently expand and fluctuate. The sudden shaking of the adhered powder, the powder falling on the lower part of the dust remover, and the two collected powders are collected and discharged by the screw conveyor to be the finished product. The filtered airflow is discharged into the air as it passes through the silencer. The system is an open circuit system that operates under negative pressure conditions.