7. Ancillary equipment

7.1 General

Furnaces include a number of ancillary equipment items: chimneys, rotating machines, piping, etc. Among these, heat recovery systems play an important role from an energy and thermal point of view. Among these, heat recovery systems play an important role from an energy and thermal point of view.

7.2 Energy aspect

Except in the few cases where we manage to use up all the heat contained in the fumes by counter-current exchange with the incoming products (cement kiln, certain continuous...