What Is The Function Of Trommel Screen


Trommel screen is a kind of separation equipment which is widely used. It overcomes the problem of screen blocking when screening wet materials by circular vibrating screen and linear screen, and improves the output and reliability of screening system. The screened sand and stone materials can be automatically separated, which is an ideal material for manufacturers of construction, highway and cement building prefabricated parts.

The trommel drum screen is mainly composed of motor, reducer, drum device, frame, sealing cover and inlet and outlet. The drum device is mounted on the rack in an inclined way. The motor is connected with the roller device through the reducer through the coupling and drives the roller device to rotate around its axis. When the materials enter the drum device, due to the tilt and rotation of the drum device, the materials on the screen surface are turned and rolled, so that the qualified materials (products under the screen) are discharged through the outlet at the bottom of the rear end of the drum, and the unqualified materials (products on the screen) are discharged through the discharge port at the tail of the drum. Due to the overturning and rolling of the material in the drum, the material stuck in the screen hole can be ejected to prevent the screen hole from blocking.

Function and application scope of trommel screen:

  1. The quarry is used for grading large and small stones and separating soil and stone powder.
  2. Separate sand and stone from sand and stone field.
  3. Coal industry is used for separating lump coal from pulverized coal and washing coal (part of coal washing machinery).
  4. Chemical industry and mineral processing industry are used for classification of large and small blocks and separation of powder materials.

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