Heating Screws
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Heating Screws transfer heat through contact with an external jacket (bolt-on or integral), and/or through the transfer Augers itself. The material is heated or cooled while being tranferred down the length of the Conveyors. In the case of a hollow flight auger, the flights themselves aid in heat transfer. To accomplish this, a variety of heating or cooling media may be used.Heat transfer takes place via screw shaft, jacket, flights or a combination of all.
Advantages
- Designs for high pressure applications meet the requirements of the ASME Boiler and Pressure Vessel Code.
- Cost savings as the thermal treatment is accomplished in the same time as product is conveyed.
- Accurate control of thermal treatment time.
- Control of temperature during material transfer.
- Greater heat transfer surface area per unit of product than batch mixer systems.
- In-house testing available
Applications
- Drying
- Polymerization
- Heat curing
- Cooling/freezing
- Microbial kill
- Sintering/calcining