Stirring gear with internal heating

摘要

A stirring gear adapted for internal heating comprising a central tubular shaft for the supply of a heat exchange medium and stirring paddles mounted perpendicularly to the shaft and provided with hollow interspaces through which the heat exchange medium may pass, the stirring paddle comprising a solid plate having a system of small cross section ducts extending parallel to the plate surfaces and communicating with the hollow interior of the central tubular shaft.