Process for recuperation of heat from a gaseous current

摘要

The invention has for its object a process for recovering heat from a hot gaseous current, wherein it consists in making the hos gaseous current travel countercurrent to colder solid particles comprising at least a stage made up of a stack of packing elements placed on a widely perforated support, then distributing them at the top of a second column, letting them fall countercurrent to a second colder gaseous current while their grain-from-grain separation, to recover the heat of the solid heated particles. The invention also proposes a device for using the process.