2009•Thermal Power GenerationRequires access

STUDY ON THERMODYNAMIC CALCULATION OF TRI-SECTION REGENERATIVE AIR PREHEATER FOR UTILITY BOILERS

Xu-ao Lu

Abstract

Based on the standard thermodynamic calculation method of dual-section regenerative air preheater,a heat transfer calculation model of tri-section regenerative air preheater has been deduced,at the sametime,the method for finding solution and the program of thermodynamic calculation being given.The results of practical calculation show that the said thermodynamic calculation method not only has higher precision of calculation,and is easy to calculate,but also can calculated the mean temperature at the interface where the heating surfaces in hot section and cold section intersect.The result of calibriting calculation tallies well with the original designed data.

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Available abstract

Key concepts: Air preheater, Section (typography), Boiler (water heating), Chemistry, Heat transfer, Mechanical engineering, Thermodynamics, Engineering