Combustion – Process of combustion or burner operation – Decarbonizing – cleaning or purging
Patent
1998-04-20
1999-08-03
Lazarus, Ira S.
Combustion
Process of combustion or burner operation
Decarbonizing, cleaning or purging
431 12, 431278, 431281, F23J 700
Patent
active
059316527
ABSTRACT:
A system is provided for burning gaseous fuel in a burner which defines a first combustion zone and a second combustion zone, the zones being in communication so that materials from one zone can have access to the other. First and second conduits deliver gaseous fuel to the first and second zones, and are provided with first and second flow control valves, respectively. A third conduit allows pressurized air from a source of air to flow through the first combustion zone such as to discourage materials from the second combustion zone from entering the first combustion zone, and a fourth conduit does the same for the second combustion zone. The third and fourth conduits have third and fourth control valves, respectively. A logic device controls the valves, and has a first mode in which one combustion zone receives fuel along the corresponding conduit while simultaneously the other combustion zone receives a flow of pressurized air which is sufficient to discourage entry of materials from the one combustion zone into the other. In a second mode, the reverse takes place.
REFERENCES:
patent: 3369749 (1968-02-01), Siegmund et al.
patent: 4614491 (1986-09-01), Welden
patent: 4716883 (1988-01-01), Johnson
patent: 4798531 (1989-01-01), Breckner
patent: 4887958 (1989-12-01), Hagar
patent: 5685707 (1997-11-01), Ramsdell et al.
Complete Combusion Services
Lazarus Ira S.
Mann Donna L.
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