Gas or liquid fuel burner with air register control of tangentia

Details Gas or liquid fuel burner with air register control of tangentia Gas or liquid fuel burner with air register control of tangentia

1978-06-08

1981-01-06

Dority, Jr., Carroll B.

Combustion

Fuel disperser installed in furnace

Spaced fuel dispersing orifices within furnace

431183, 431284, 239406, F23C 500

Patent

active

042433754

ABSTRACT:
A burner system for gaseous or liquid fuels adapted for insertion through a circular tile opening in a furnace wall, comprising a burner tube for alternate supply of gaseous or liquid fuel. The burner tube is coaxial with, and inserted into said circular opening. A first stationary annular vane assembly comprises a plurality of symmetrically-placed tangentially-directed vanes enclosing a cylindrical open chamber coaxial with and upstream of said burner means. A second movable assembly of radial vanes is adapted to slide axially about the burner tube and to be moved from a first position where it is entirely outside of the chamber space, inwardly to a second position, where it is entirely inserted into the chamber space, and inside of the first annular vane assembly. Means are provided for flowing combustion air at selected pressure through the tangential vanes and into the chamber space. When the second vane assembly is moved to its first position, the tangential vanes provide a swirling helical flow of air into and axially along the chamber space, and into the downstream of the burners, providing a swirling flame. When the movable vane assembly is in its second position, inside of the chamber volume, then the tangentially-directed air flowing through the first vane assembly flows into the second vane assembly with its radial vanes. This completely cuts off the helical flow, and causes only axial flow of air past the burners and into the flame zone.

REFERENCES:
patent: 2204719 (1940-06-01), Zink
patent: 2325443 (1943-07-01), Vroom
patent: 3367385 (1968-02-01), Dunn
patent: 3529915 (1970-09-01), Shoichi Tsuji et al.

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