What is sludge disc dryer

Information of sludge disc dryer:

The disc type sludge dryer is composed of a horizontal shell and a rotor with heating. A plurality of heating discs are installed on the rotor, and an angle-adjustable pusher is installed on the rotor. The material is heated, and the material can be pushed along the direction of the discharge end. The steam distribution device inside the rotating shaft can evenly distribute the steam to each heating disc, and the steam flows in the disc to keep the heating disc at a constant temperature, and the condensed water is discharged through a special device at the end of the shaft.

Application of disc sludge dryer:

Widely used in drying of industrial sludge and domestic sludge, industrial sludge includes: petrochemical sludge, paper sludge, printing and dyeing sludge, leather sludge, Electroplating sludge, petrochemical sludge, coal washing sludge, water plant sludge sludge, pickling sludge, drug residue sludge, construction sludge, pulp sludge, oily sludge, etc.; domestic sludge includes: Municipal sludge, sewage sludge, activated sludge, pool sludge, silt, mud, Mud etc. At the same time, it is also suitable for pulp sludge bio-fermentation fungus residue and for fish meal processing, starch processing, distiller's grains and other feed or food drying.

Working principle of disc dryer:

The complete sludge drying system includes screw conveyor, disc dryer, dust collector, steam condenser and deodorization tower. Wet sludge from screw press sludge dewaterers typically contains 70-80% moisture. The sludge is continuously fed by a screw conveyor into the disc dryer, where it will be heated. The moisture material inside is vaporized and sucked by the blower. The exhaust gas discharged from the dryer enters the steam condenser after dust removal treatment. The condenser turns most of the vapor into condensed water. The exhausted gas will be deodorized by the biological deodorization tower, and then discharged through the chimney. The discharged dry sludge usually also contains 20-30% moisture.

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