Pressure-reducing device for particulate material
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United States of America Patent
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Feb 7, 1989
Issued Date -
N/A
app pub date -
Sep 29, 1987
filing date -
Jan 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure-reducing device in a pneumatic transport system for particulate material having a first and a second transport channel which are arranged so that, at the transition between the two channels, the gas/particulate flow is bent through 180.degree.. After the bend, a throttling means is arranged. The throttling means consists of an annular nozzle, the inlet side thereof being rounded with an arcuate profile in radial section. The pressure-reducing device may be included in a transportation system for feeding particulate material out from a pressurized container to a container under a lower pressure, for example for removing dust from a dust separator in a PFBC plant to a collecting container.
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