Apparatus for heating or cooling bulk material comprises a tube and shell heat exchanger and a system for reheating or recooling a heat transfer liquid supplied to the shell side

摘要

Apparatus for heating or cooling bulk material comprises a housing (5) with an inner chamber that contains heat exchanger tubes (7) and has a lower inlet (12) and upper outlet (13) for a heat transfer liquid, and a recycle conduit (21) with a pump (22) and a heat exchanger (24) for reheating or recooling the liquid.