Patent ID: 9574247
Date: 2017-02-21
CPC Classifications: C21B,F02C,F27B,F27D,Y02P

Claim:
1. An apparatus for operating a melt reduction process, comprising: a blast furnace or a melting assembly, at least one reduction assembly that a) receives batch materials that are reducible by means of a reduction gas, using carbon carriers and, if appropriate, aggregates, and are meltable into pig iron or steel semifinished products, and b) produces reacted reduction gas that is suitable as top gas, purified, and if appropriate, mixed with purified and cooled excess gas from the melting assembly and discharged as export gas, a gas turbine with a generator for the thermal reaction of at least part of the export gas, a waste heat steam generator, in which steam can be generated by means of hot exhaust gases from the gas turbine, a device for the separation of CO a storage device for the absorption and compensation of calorific value fluctuations in the tail gas, the storage device being connected to the waste heat steam generator which has a heating device for the combustion of the tail gas in order to form steam.