PFBC power plant
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United States of America Patent
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-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Nov 9, 1992
filing date -
May 8, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A PFBC power plant with a combustor (3) enclosed within a pressure vessel (1). The combustor (3) is formed as a polygonal prism with, for example, hexagonal cross section. The bed section (3a) of the combustor (3) accomodates a steam generator constructed from at least three groups (23) of plane tube discs (24), in which groups (23) the discs are oriented parallel to opposite sides walls in the combustor (3). Each tube disc (24) may comprise both evaporation and superheater tubes (25a, 25b, 25c) which may comprise tubes in several parallel planes. In a preferred embodiment, each group (23) of tube discs (24) fills up a parallelepipedic space in the lower part (3a) of the combustor (3).
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