Application example 1

Utilising industrial exhaust heat in a German steel work.
A German steel work relies on the specialist Spillling in order to optimally utilise the saturated steam at 19 bar arising from a heat treatment process: The existing steam generation was retrofitted with a back pressure turbine. 

The steam that is available in fluctuating amounts is used to generate electricity by a single-stage Spilling turbine, before being almost completely re-cooled over an air-cooled condenser. Using the exhaust steam afterwards is at present not possible, however, also its utilisation is intended in the long-term.
Spilling steam turbine type STS in overhang design operated as back pressure turbine in steel industry
Benefits for the customer

  • Improved CO2 balance due to energy generation using the operational waste heat
  • Cost savings due to domestic electricity 
Summary of system data

Steam boiler plant
Waste heat boiler, designed as a shell type boiler 

Spilling unit
Overhung mounting, 1-stage back pressure turbine

Control Live steam pressure
Ouput 1410 kWel
Live steam 19 barg saturated steam
Exhaust steam 0.5 barg

Utilisation of heat
Currently no heat recovery, consumers are to be connected in the long-term 
Applications steam
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Application examples
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Services and accessories
Application examples
Fields of application
Your benefits
Services and accessories
Application examples
Fields of application
Your benefits
Services and accessories

Plant description
Technical plant data
Benefist for the customer


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