CPC Subgroup
F28C 3/16 the particulate material forming a bed, e.g. fluidised, on vibratory sieves
Full Title
Other direct-contact heat-exchange apparatus > one heat-exchange medium at least being a fluent solid, e.g. a particulate material > the heat-exchange medium being a particulate material and a gas, vapour, or liquid > the particulate material forming a bed, e.g. fluidised, on vibratory sieves