Gas separation: processes – Magnetic separation
Patent
1996-05-09
1998-04-07
Chiesa, Richard L.
Gas separation: processes
Magnetic separation
55457, 95 31, 95269, 96 1, B03C 102
Patent
active
057359377
ABSTRACT:
A gas contaminant separator includes a pressure tube and a concentric and axially aligned down pipe mounted within the pressure tube. The pressure tube and down pipe define an annular space having a helical rib extending therein. A plurality of magnets are mounted to the down pipe above the helical rib adjacent a perforated plate. A spiral induction plate is mounted within the down pipe for imparting rotation on a gas stream after the gas stream moves through the magnetic field created by the magnets, and through the perforated plate. A gas inlet admits gas into the annular space, and a gas outlet removes gas from the down pipe after it has passed through the annular space, across the magnetic field, through the perforated plate, and through the spiral induction plate mounted in the down pipe. A method for removing contaminants from a gas stream is also provided which method includes directing a gas stream over a helical rib within an annular space separating the gas stream into a plurality of convergent and subsequently divergent flow streams, while simultaneously passing the gas stream through a magnetic field. The gas stream is then passed through a spiral induction plate for imparting rotation to the gas stream such that further contaminants are removed from the gas stream.
REFERENCES:
patent: 4238183 (1980-12-01), Robinson
patent: 4357237 (1982-11-01), Sanderson
patent: 4629481 (1986-12-01), Echols
patent: 4731186 (1988-03-01), Belasco
patent: 5108472 (1992-04-01), Murray, Sr.
patent: 5271834 (1993-12-01), Mondiny
patent: 5554209 (1996-09-01), Dingfelder
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