Method of and apparatus for measuring the rate at which gases ar

Details Method of and apparatus for measuring the rate at which gases ar Method of and apparatus for measuring the rate at which gases ar

1982-07-16

1984-03-20

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432 19, 432 24, 432 47, 432113, F27B 700

Patent

active

044378351

ABSTRACT:
Gases are blown into the kiln through its shell by means of shell pipes or nozzle blocks. The rates at which gases actually enter the kiln are ascertained in that the pressure in each supply duct is pneumatically tapped at a constriction and is applied to a transducer, which is secured to the kiln. A differential pressure is ascertained by the transducer and converted to an electric signal, which is delivered to a control station via slip rings, which are secured to the kiln, and stationary taps.

REFERENCES:
patent: 3847538 (1974-11-01), Rossi
patent: 3888621 (1975-06-01), Williams
patent: 3966560 (1976-06-01), Farago et al.
patent: 4208181 (1980-06-01), Rossi
patent: 4345896 (1982-08-01), Abernathy, Jr. et al.
patent: 4354829 (1982-10-01), Estes

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