Air reduction control for oil-treating vessels

Details Air reduction control for oil-treating vessels Air reduction control for oil-treating vessels

1985-03-26

1987-10-27

Focarino, Margaret A.

Combustion

Flash-back controlling or preventing structure

137599, 251363, F23D 1482

Patent

active

047026928

ABSTRACT:
A heater treater apparatus includes a vessel, a burner for heating a material contained in the vessel, an air intake passage for directing air to the burner, a flame arrester operatively associated with the air intake passage for preventing flames from the burner from extending past the flame arrester, and an air damper for controlling a flow rate of intake air drawn through the flame arrester. The air damper includes a fixed circular first plate having a first plurality of circumferentially spaced plate openings therethrough, and a similarly constructed rotatable circular second plate. The second plate may be rotated relative to the first plate from an open first position to a second position wherein the plate openings of the first plate are at least partially blocked by the second plate.

REFERENCES:
patent: 1138416 (1915-05-01), Roberts
patent: 1260442 (1918-03-01), Pickup
patent: 2898978 (1959-08-01), Kitchen et al.
patent: 3079242 (1963-02-01), Glasgow
patent: 3711259 (1973-01-01), Gurney
patent: 3814576 (1974-06-01), Brockhurst
patent: 3918889 (1975-11-01), Green
patent: 4243176 (1981-01-01), Hays
patent: 4613303 (1986-09-01), Willis et al.
"Firetube Combustion Air Controllers" sold by the C-E Natco Division of Combustion Engineering, Inc., of Tulsa, Oklahoma, catalog p. No. TSL-1329-A1, dated Aug. 11, 1980.

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