Heat Recovery Steam Generator (HRSG)

Heat Recovery Steam Generators are used to recover waste heat from the exhaust of gas turbines, boosting efficiency from a range of 35% to 40% in a simple cycle (also known as open cycle) mode to a range of 55% to 60% in a combined cycle mode. The steam generated by the HRSG can be used for process heating or generating electricity in a steam turbine. Such units are installed on gas turbines ranging from below 1 MW up to 320 MW.

Over 100 HRSG installations worldwide serving a variety of industries
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These units are offered with features such as horizontal/vertical design, natural/forced circulation, triple pressure levels with reheat option, supplementary and fresh air firing mode with automatic changeover, bidrum/single drum.

Manufactured under License from Babcock & Wilcox, USA

The HRSGs incorporate latest advances in thermal technology, offering benefits such as multiple pressure levels and unprecedented reliability. The growing number of our HRSGs installations is a testimony to their importance in ‘clean energy’ solutions.

Product Features
  • Modular construction
  • Natural circulation design for higher reliability
  • Single drum construction
  • Fully welded construction for quicker start-up and shutdown
  • Gas-tight internally insulated ducting and casing
  • Fully drainable super heater for higher reliability
  • Strategic soot blowing for oil firing cases
  • Firing gas, #2 and #6 oil in the duct burner
Operating Range
  • Capacities: Gas turbine size of 320 MW
  • Pressure: Up to 175 kg/cm2(g)
  • Temperature: Up to 603ºC
  • Fuels: Natural gas/naphtha/HSD/kerosene/refinery gas, heavy high sulphur fuel etc.
  • Aban Power
  • Internusa A/c Bekasi Power, Indonesia
  • Essar Power for Vadinar Power Co. Ltd
  • Abener for Hassi R’mel Project, Algeria
  • Lanco Infratech Ltd
  • Beta Infratech Pvt Ltd
  • Sahacogen (Chonburi) Public Company Ltd.
Refinery & Petrochemical
  • Daelim for Numaligarh Refinery
  • ONGC Mangalore Petrochemical Ltd.
  • Reliance Industries Ltd.
  • BPCL, Kochi
  • Saudi Aramco – Khurais Field
  • Petroleum Development Oman
  • Dangote Oil Refining Company
Chemical and Fertilisers
  • OEP for Oswal Chemical & Fertilizer
  • Essar A/c Matix Fertilizer
  • Samsung A/c Banyu Urip
  • Rashtriya Chemicals & Fertilizers Ltd. (RCF)
  • Chambal Fertilisers and Chemicals Ltd.
  • National Fertilizers Ltd.
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