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Power Plant Life Management and Performance Improvement by J Oakey

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16

Heat recovery steam generators: performance management and improvement

V. Ganapathy,     Boiler & HRSG Consultant, India

Abstract:

This chapter discusses the general features of fire and water tube waste heat boilers used in chemical plants, refineries and in cogeneration plants including gas turbine HRSGs. One of the major issues with this heat recovery system is optimization of gas and steam temperature profiles and maximization of energy recovery. The chapter discusses a simple simulation technique by which any plant engineer who is unfamiliar with the design aspects of HRSGs can simulate the thermal performance of unfired and fired HRSGs at various operating conditions of the gas turbine and arrive at the optimum steam system parameters ...

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