Apparatus for monitoring the carbon content of boiler flue ash

Details Apparatus for monitoring the carbon content of boiler flue ash Apparatus for monitoring the carbon content of boiler flue ash

1986-10-03

1988-10-04

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 62, 422145, 422219, 110101R, 110113, 198371, 198753, 222344, 222363, 414221, B65G 2704, B65G 2708, B65G 2732

Patent

active

047755164

ABSTRACT:
A carbon-in-ash monitor uses a fluidized bed furnace to burn any carbon in sampled boiler flue ash and evolve carbon dioxide therefrom. Fluidizing gas (air) is provided to the bed a measured flow rate and a batching arrangement feeds successive batches of ash of measured mass to the furnace at a measured frequency. A CO.sub.2 monitor measures the amount of CO.sub.2 evolved to determine the carbon content of the ash. Batches are provided using a vibratory table to transport ash from a point of supply to the table and a point of delivery of ash in a stream from the table. The vibratory table is horizontal and is driven so that the mode of vibration can be selected to reverse the direction of ash transport.

REFERENCES:
patent: 2633154 (1953-03-01), Eastman
patent: 2734526 (1956-02-01), Aagaard
patent: 3365240 (1968-01-01), Gordon
patent: 3426853 (1969-02-01), Del Rosso
patent: 3454307 (1969-07-01), Bishop
patent: 3607071 (1971-09-01), Staffin et al.
patent: 3745668 (1973-07-01), Vian-Ortuno et al.
patent: 3921307 (1975-11-01), Marek et al.
patent: 4171067 (1979-10-01), Faulkner et al.
patent: 4513882 (1985-04-01), Cabi-Akman
Patent Abstracts of Japan, vol. 7, No. 64 (P-183) (1209), Mar. 17, 1983.

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