High velocity flame jet internal burner for blast cleaning and a

Details High velocity flame jet internal burner for blast cleaning and a High velocity flame jet internal burner for blast cleaning and a

1981-09-29

1983-05-24

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24C 700

Patent

active

043844340

ABSTRACT:
In one form, a cylindrical shell extends from an annular burner body to form an elongated combustion chamber, which chamber bears a cylindrical heat radiator element concentric with and spaced radially inward of the shell. A tube coupled to the opposite end of the annular burner body delivers compressed air born abrasive particles to a reduced diameter inlet passage within the burner body. The burner body bears a tubular, slotted sand separator which permits air free of sand to pass along the rear side of the heat radiator for re-entry through radial holes within the heat raditor downstream of the burner body for combustion stabilization. In another form, the combustion chamber is at right angles to the flow passage including the tubular, slotted sand separator and the discharge nozzle. The products of combustion from the combustion chamber at high temperature and velocity, aspirate the abrasive flow through the discharge nozzle.

REFERENCES:
patent: 2990653 (1961-07-01), Browning
patent: 3363661 (1968-01-01), Horton
patent: 3463249 (1969-08-01), Browning et al.
patent: 3738792 (1973-06-01), Feng
patent: 3846066 (1974-11-01), Ebeling
patent: 3854997 (1974-12-01), Peck et al.
patent: 4130388 (1978-12-01), Flanagan
patent: 4342551 (1982-08-01), Browning

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