APPARATUS FOR RECOVERING WASTE HEAT OF SINTERING.

摘要

An appts. comprises a heat exchanger for the exhaust gas of a sintering machine and water, a heat exchanger for the exhaust gas of a sintered mineral cooling machine and water and steam drum for mixing and keeping the steam generated from both heat exchangers. The steam supplied from the steam drum drives a turbine generator. Of the exhaust gas from the sintered mineral cooling machine, portion of the exhaust gas which has a max. gas temp. of from 450-500 deg.C is taken out separately for superheating the steam from the steam drum to obtain a superheated steam of 340-370 deg.C at 17-20 kg/sq.cm.G. This superheated steam is supplied to the steam turbine. Since the deg. of heating of the superheated steam supplied to the turbine exceeds 100 deg.C and steam consumption can be reduced, a turbine efficiency can be remarkably improved when compared with the prior art technique.