Firing equipment that can be operated under turbocharge
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United States of America Patent
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-
Mar 20, 1990
Issued Date -
N/A
app pub date -
Sep 26, 1988
filing date -
Oct 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Firing equipment that can be operated under turbocharge for a steam generator, especially fluidized bed firing equipment that includes a turbocharged firing mechanism. At least two successively arranged air compressors are provided, including a first compressor that is driven by a first turbine, which is disposed on a common shaft with the first compressor, and forms together with the latter a turbocharger, with the energy needed for driving the first compressor being extracted from the flue gas of the turbocharged firing mechanism. An air preheater is disposed between the second compressor and the firing mechanism, with flue gas being supplied thereto. A second turbine drives the second compressor. At least during turbocharged operation of the firing mechanism, the flue gas is conveyed at high temperature first to the second turbine and then to the air preheater. An electrical apparatus that is operable at least as a generator is operatively associated with the second compressor and the second turbine.
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