Drum Sieve Machinery is used as cleaning machine for grains and cereals to separate coarse impurities, like paper, pieces of wood, leaves ,string etc. Drum-Sieving machine is used for grains.A drum sieve, also known as a rotary sieve or drum screen, is a mechanical device used to separate materials according to particle size. It consists of a cylindrical drum that is usually tilted slightly and rotated on its axis. The drum is covered with a mesh or perforated plate, which allows smaller particles to pass through while retaining larger particles.The material to be sieved is fed into the drum at the higher end, and as it rotates, the smaller particles pass through the mesh or perforated plate and are discharged at the lower end. The larger particles are retained inside the drum and discharged separately.