An Efficient, Flexible Arrangement to Generate High Quality Process or Domestic Heat in Recuperative Gas Cycle Power Plants: Application to Helium Direct Cycle Nuclear Power Plants

[+] Author and Article Information
Z. P. Tilliette, B. Pierre, P. F. Jude

Commissariat à l’Energie Atomique, Division d’Etude et de Developpement des Reacteurs, Departement des Etudes Mecaniques et Thermiques, Gif-Sur-Yvette, France, BP. No. 2-91190

J. Eng. Power 101(1), 130-140 (Jan 01, 1979) (11 pages) doi:10.1115/1.3446434 History: Received December 16, 1977; Online July 14, 2010


The advantages of gas turbine power plants in general and closed cycle systems under gas pressure in particular for waste heat recovery are well known. A satisfactory efficiency for electric power generation and good conditions to obtain a significant amount of hot water above 100°C lead to a high fuel utilization. However, as in most of projects, it is not much possible to produce high temperature steam or water without significantly decreasing the electricity production. A new method for an additional generation of high quality process or domestic heat is proposed. The basic feature of this method lies in arranging one or two steam generators or preheaters in parallel with the low pressure side of the recuperator. The high total efficiency and the noteworthy flexibility of this system are emphasized. This arrangement is suitable for any kind of heat source, but the applications presented in this paper are related to helium direct cycle nuclear power plants the main features of which are a single 600 MW(e) turbomachine, a turbine inlet temperature of 775°C, no or one intermediate cooling and a primary circuit fully integrated in a pre-stressed concrete reactor vessel.

Copyright © 1979 by ASME
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