HOME > Products > Dryer and Vacuum dryer > Heating Screw Conveyor
Our Heating screw conveyors are often used for the heating, drying, or heat treatment of a wide range of bulk materials, including petroleum coke, pasty media, dust, pastes, and sludges. Our heating screw conveyors introduce a defined quantity of heat into the product to heat or melt it, to evaporate liquid components or to start or end a reaction.
As some bulk products have a strong tendency to stick and bridge, they often form an insulating layer on the hollow flights. Depending on the conditioning of the bulk product, the sludge, or the paste, we have created the tried and proven alternative of a self-cleaning system for equipping the heating screw conveyor in order to guarantee consistently clean surfaces on the heating screw conveyor surface. Because they are the primary surfaces for heat transmission, it is possible to guarantee that the system operates efficiently.
The product range extends from heating screw conveyors and dryers with a throughput rate of a few kg/h up to 60t/h – on request, the delivery is completed by including especially adapted piping with modular insulation, which enables connection to a central inlet and outlet point. All necessary valves, flow meters and temperature measurement devices are optionally already installed upon delivery as part of the scope of supply.
Well thought-through design, which provides decisive advantages for maintenance, life, efficiency and the space required.
Compensation of the thermal expansion of the worm shaft, which is completely absorbed by carbon bearings, with the smallest possible maintenance work and costs.
Optional with piping, fittings and valves
Safe and reliable separation of heat transfer medium and bulk material
Suitable for all bulk materials
A large number of heat sources can be used, such as heat transfer oils and steam
Chemical industry (Thermal processing)
Throughput
up to 60 t/hr
Operation temperatures
up to 450°C
Shaft version
Single or multiple
Optional modular insulation
Optional with piping, fittings and valves
Use of proven and tested hollow flights
The challenge mastered by extensive development is compensation of the thermal expansion of the worm shaft, which is completely absorbed by the especially developed our carbon bearings, with the smallest possible maintenance work and costs. The tongue-shaped shaft passages enable individual worm shafts to be replaced easily without dismantling the end wall or the other shafts. This minimizes downtime significantly.
To integrate the heating screw conveyors into the planning of your plant in the best possible way, a large number of heat sources can be used, such as heat transfer oils and steam under various conditions.
