TQSF Grain Rice Coffee Destoning Machine is applied for efficient separation of stones and pebbles, glass, and other high-density impurities from grain or seed.

 TQSF Grain Rice Coffee Destoning Machine Key equipment for efficient removal of sand, clay stone & other heavier impurities, as well as classification of gains/seeds such as wheat, maize, paddy, oilseeds, coffee beans, etc., based on the different gravity of materials.

1. Advanced design and excellent fabricating.
2. Reliable and excellent stone separation and efficient cleaning.
3. High specific capacity.
4. Easy operation and maintenance.
5. Two options: with or without air-recycling system.
6. A fan is equipped on the air-recycling type and a special separator is installed ahead of the fan. The separator deflects the aspirated air through a lamellar system so that dust and chaff are separated from the air and discharged by an airlock valve while the cleaned air is recycled by the fan in the air return pipe to the destoner.

1. TQSF Destoning machine is the suction type destoner, and its work principle is based on the difference in specific weight of materials.
2. The working table is covered with a woven wire mesh bed, through which air flows from below.
3. Heavy impurity such as stone are not lifted by the air cushion and stay on the mesh bed.
4. The vibratory motion of the table causes the heavy impurity transported to the beginning of the regulating plate at far end of the machine.plate at far end of the machine.