Drying and gas or vapor contact with solids – Apparatus – Reversible or pulsating treating gas or vapor flow
Patent
1986-09-09
1987-10-06
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
Reversible or pulsating treating gas or vapor flow
34218, 431 1, 432159, 432186, F26B 2302
Patent
active
046973583
ABSTRACT:
Various improvements in pulsating combustors for use in dehydration are disclosed. In one aspect of the invention, gas is introduced into the combustion chamber through a fuel distributor providing a bluff body within the combustion chamber so that a striated charge having streaks of gas and air is produced. The tail pipe of the combustor has an enlarged outer portion provided with an inlet for material to be dehydrated so that an injector action occurs at the point of material entry. A valve may be associated with the material inlet so that the material is introduced in timed relation to the pulse combustion cycle. Other aspects of the invention concern a rotary mechanically driven air admitting valve for the combustion chamber and a gas supply arrangement designed to provide for low- and high-fire operating modes.
REFERENCES:
patent: 2898978 (1959-08-01), Kitchen
John A. Kitchen Ltd.
Schwartz Larry I.
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