Side stream separator for boiler particulate emission control

Details Side stream separator for boiler particulate emission control Side stream separator for boiler particulate emission control

1980-04-23

1982-02-09

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55266, 55269, 55315, 55344, 55385D, 266155, 266157, B01D 5000, C21B 722

Patent

active

043148301

ABSTRACT:
Device for controlling the particulate emission from coal-fired boilers including a cyclone type primary separator between the boiler and the stack and a bag filter coupled in side stream relation to the cyclone separator such as to shunt and departiculatize up to about 20% of the gas stream entering the cyclone. The shunted gas is drawn from below the tube sheet of the cyclone separator, filtered through the bags and returned to the stack. Means are provided to control the temperature of the shunted gas within defined limits corresponding to the acid dew point of the gas and the thermal degradation temperature of the filter media.

REFERENCES:
patent: 1508367 (1924-09-01), Matlock
patent: 3173980 (1965-03-01), Hysinger
patent: 3266225 (1966-08-01), Barr
patent: 3716967 (1973-02-01), Doyle, Jr. et al.
patent: 3877454 (1975-04-01), Axmann et al.
patent: 3986848 (1976-10-01), Howell
patent: 4204848 (1980-05-01), Schulmeister
Western Precipitation Multiclone Dust Collectors (M-274), Joy Manufacturing Company, p. 5.
Chemical Engineering (Deskbook-Environmental Engineering), Oct. 6, 1975, p. 17.

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