Drying system

List AG, Arisdorf, Switzerland Kneader Dryer List 500kg/hr

Equipment Type:
Dry Product Capacity: Circa 500kg/hr
Design Conditions: 150oC; 6barg/ Full Vacuum
Materials of Construction (Product Wetted): 304L SS, Viton O-Ring, PTFE Reinforced Flat Gaskets
Electric Motor: 3 Pole / 480V / 60Hz, 110kW, 1780 rpm, Eex de IIB T4, IP 65;


Horizontal, Single-Shaft, Continuous, Vacuum Kneader- Dryer
Single step direct (contact) evaporation/drying process
3 heating zones on shell, 2 heating zones on agitator
Twin screw feeder

General Applications:

Drying of products exhibiting multiple phase change e.g.
Liquid –> highly viscous –> pasty–> free flowing powder or granular solid
Ability to handle foaming, stickiness, crusting & required variation of temperature and drive input requirements
Self-cleaning design and heavy duty/high torque to promote heat and mass transfer
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Potential Applications:

Drying of a crystalline mass, e.g. Anti-Oxidants:
Typical solvents: Methanol, Cyclohexane, Isopropanol

Industrial Residues: Recovery of hazardous / valuable materials from wastes. E.g.

TDI (Polyurethane monomer) from distillation residue
Drying of paint and lacquer sludge
Recovery of water/toluene from rubber residues
Recovery of solvents from vitamin distillation residues

Polymerisation Reactions..