Constant pressure variable orifice burner nozzle assembly

Patent · Tue Sep 01 04:00:00 EDT 1987

OSTI ID:5911980

Voorheis, J T

A rotary kiln is described which consists of: a rotary tube for containing material to be burned, the rotary tube having a longitudinal axis, and the material tending to form a chordal incline at a substantially constant angle relative to a fixed reference frame as the tube containing the material is rotated in a given direction; means for rotating the tube about its longitudinal axis; and a burner gun at a first end of the tube, the burner gun including: (a) conduit means having an inlet, an outlet at the first end of the tube and a longitudinal axis; (b) gas inlet means for supplying a gas to the inlet of the conduit means; (c) gas outlet means for emitting the gas supplied to the conduit means, the gas outlet means including a plurality of orifices arranged in at least one linear row at the outlet of the conduit means, each orifice having a longitudinal axis substantially parallel to the longitudinal axis of the conduit means, each linear row being arranged substantially parallel to the incline; (d) orifice plug means, each axially adjustable with respect to a respective one of the orifices; and (e) control means for simultaneously adjusting the plurality of orifice plug means with respect to the plurality of orifices to vary the openings of the plurality of orifices so as to provide a constant gas velocity at the outlet of the conduit means.

• Assignee: Voorheis Industries, Inc., Fairfield, NJ
• Patent Number(s): US 4690639
• OSTI ID: 5911980
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
421000* -- Engineering-- Combustion Systems
BURNERS
CLOSURES
CONTROL
EXHAUST SYSTEMS
FLUID FLOW
GAS BURNERS
GAS FLOW
INCIDENCE ANGLE
INCLINATION
INTAKE STRUCTURES
KILNS
MECHANICAL STRUCTURES
MOTION
NOZZLES
OPENINGS
ORIFICES
PRESSURE CONTROL
ROTATION
TUBES