Heat Recovery Steam Generator
From Heat Recovery
Heat source:
Heat source:
Gas turbine exhaust gas
Performance range:
Heat input up to 550 MWth
Steam capacity up to 600 t/h
Steam parameters up to 570 °C - 170 bar
Auxiliary fuels:
Coke oven gas, blast furnace gas, natural gas, light oil, production exhaust gases
Boiler technology:
Steam generators with natural circulation in horizontal or vertical one or multi-pass construction with different pressure stages. Either designed as heat recovery boiler or equipped with auxiliary firing also suited for fresh air operation and “flying takeover“ between fresh air operation mode and gas turbine operation mode. The superheat steam temperature control is carried out by means of an injection cooler between the superheater heating surfaces.
Combustion system:
Industrial combustion systems as duct burners in the gas turbine exhaust duct or as in-duct burner in the combustion chamber of the boiler plant respectively or in conventional burners with an external exhaust gas feed.
Flue gas treatment:
The removal of nitrogen from the flue gases can be performed using either an SNCR (selective non catalytic reduction) process or an SCR (selective catalytic reduction) process.
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