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Steam Generators for the Industry

Steam Generator
Salzgitter Flachstahl

Steam Generator

Salzgitter Flachstahl


Technical Data Reference Sheet


The steam generator plant covers a part of the supply of electricity and heat for the steel production process of SZFG. Special demands concerning the technical solution were made on high availability, the high quality standard, low emission values and high efficiency with low station service of the plant. The steam generator is integrated into the newly constructed power plant.



The steam generators were designed as radiant boilers of a 2-pass type of construction and arranged suspended in the structural steelwork of the boiler. The firing system is designed as a frontal firing system with a total of 6 burners. In order to reduce the NOx emissions, a flue gas recirculation system has been provided. The boiler generates superheated steam and is equipped with a reheater. By means of a heat displacement system involving combustion air, flue gas, feedwater and blast furnace gas / converter gas, optimum operation is achieved with low emission values and a high efficiency.


For more information, please see our reference sheet.

"In order to meet the demands of a volatile energy market, we have made it our mission to realise our plants with maximum efficiency and high availability."

Detlef Simon

Head of Sales and Marketing

Technical Data

Number of Lines



Blast Furnace Gas + Converter Gas, Coke Oven Gas, Natural Gas, Light Oil

Low Heating Values

Blast Furnace Gas + Converter Gas 3.45 MJ/m³ i.N.

Coke Oven Gas17.2 MJ/m³ i.N.

Natural Gas36 MJ/m³ i.N.

Light Oil42 MJ/kg

Rated Thermal Input

BFG + CG250 MW


NG180 MW

Light Oil150 MW

Rated Thermal Input Total298 MW

Steam Capacity

HP340 t/h

RH320 t/h

Steam Pressure

HP168 bar

RH45 bar

Steam Temperature

HP568 °C

RH563 °C

Feed Water Temperature

255 °C

Flue Gas Temperature Exit

130 °C

Operating Permit

13 BImSchV

Boiler Design

Natural Circulation



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