Detection of particles in a hot gas flow upstream of a gas turbi

Details Detection of particles in a hot gas flow upstream of a gas turbi Detection of particles in a hot gas flow upstream of a gas turbi

1990-11-05

1992-11-24

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

F02C 326, F02G 100

Patent

active

051652366

ABSTRACT:
A gas turbine, or like device which utilizes gas and is susceptible to damage from particles greater than a predetermined size in the gas stream, is protected by providing a cyclone downstream of a particle separator. If any particles are in the gas flow downstream of the particle separator--an aberrant condition--the cyclone will remove them and pass them to a particle trap, from which the particles flow to a measuring device. If the measuring device detects a significant number of particles, then an alarm is sounded or corrective action taken. The cyclone may be a horizontal cyclone, or a flow through cyclone.

REFERENCES:
patent: 4304492 (1981-12-01), Fox
patent: 4531402 (1985-07-01), Reif et al.
patent: 4568365 (1986-02-01), Metcalfe et al.
patent: 4838209 (1989-06-01), Hjalmarsson
patent: 4852346 (1989-08-01), Granqvist et al.
patent: 4865629 (1989-09-01), Zievers et al.
patent: 4956091 (1990-09-01), Van Den Akker

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