Preventive slag viscosity control by detection of alkali metals

Details Preventive slag viscosity control by detection of alkali metals Preventive slag viscosity control by detection of alkali metals

1993-08-16

1994-10-11

Yuen, Henry C.

Furnaces

Process

Incinerating refuse

110185, 110186, 110246, F23G 500

Patent

active

053537220

ABSTRACT:
Methods and devices for controlling the viscosity of the slag in incinerating kilns. The alkali content is measured in the stream of the off-gasses, and additives are added in order to counteract the effect of the alkalis on the slag viscosity. The rate of addition of additives depends on the alkali analysis and the off-gas temperature in the kiln.

REFERENCES:
patent: 3693557 (1972-09-01), Makuch
patent: 4395958 (1983-08-01), Caffyn et al.
patent: 4846083 (1989-07-01), Serbent
patent: 5010827 (1991-04-01), Kychakoff et al.
patent: 5080026 (1992-01-01), Tsunemi et al.
patent: 5081940 (1992-01-01), Motomura et al.
patent: 5158024 (1992-10-01), Tanaka et al.
patent: 5228398 (1993-07-01), Byerly et al.

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