Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means
Patent
1998-08-19
1999-11-02
Dority, Carroll
Combustion
Timer, programmer, retarder or condition responsive control
By condition of burner feed or feed means
431202, F23D 1100
Patent
active
059758856
ABSTRACT:
A flare stack with increased control of flow velocity of gases. The flare stack includes a pipe having a flare tip. The flare tip is provided with orifices and a sliding sleeve that opens and closes at least some of the orifices under control of an actuator. The actuator is pressure controlled. Nozzles extend from the orifices, parallel to each other. A central nozzle produces a stabilized flame. The nozzles which are controlled by the sliding sleeve are arranged in rings axially offset from each other along the pipe, so that the sleeve may open or close the nozzles in a ring as desired. The nozzles are symmetrically disposed, and terminate at the same plane, with the nozzles being disposed sufficiently close to each other that gas exiting any nozzle tends to draw in and merge with gas exiting from any adjacent nozzle.
REFERENCES:
patent: 4336017 (1982-06-01), Desty
patent: 4464110 (1984-08-01), Boden et al.
patent: 4634372 (1987-01-01), Allum et al.
patent: 4800690 (1989-01-01), Bunce
Dority Carroll
O'Connor Christensen
Tornado Flare Systems, Inc.
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