Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1983-11-22
1985-10-01
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
55131, 55135, 55151, 55138, 361230, B03C 300
Patent
active
045443823
ABSTRACT:
A gas carrying solid particles is purified by electrically charging the sd particles and precipitating them by electrostatic means. The particles carrying gas flows in an enclosure wherein a space charge is formed by ion generators. Each ion generator comprises an injector tube which defines a chamber communicating with the enclosure via a small opening. Moist air is fed under pressure in the chamber and is accelerated in a tuyere in this opening. A corona discharge is formed at the neck of the tuyere by applying a high voltage between the tuyere and a coaxially arranged needle like electrode. Microparticles of ice are formed in the corona discharge zone by reason of the supersonic gas discharge in the tuyere. Ions trapped by these microparticles are driven out of the ion generators chamber into the enclosure wherein the gas stream to purify flows. These ions are freed by evaporation of the ice microparticles to form the space charge. The method is particularly suitable for purifying explosive atmospheres or hot gases.
REFERENCES:
patent: 4144359 (1979-03-01), Zahedi et al.
patent: 4339782 (1982-07-01), Yu et al.
patent: 4417293 (1983-11-01), Larigalde
patent: 4435190 (1984-03-01), Taillet et al.
patent: 4449159 (1984-05-01), Schwab et al.
Larigaldie Serge
Taillet Joseph
Nozick Bernard
Office National D'Etudes Et De Recherches Aerospatiales (ONERA)
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