Combustion system for burning heavy heating oil with low nox

Details Combustion system for burning heavy heating oil with low nox Combustion system for burning heavy heating oil with low nox

1988-10-14

1989-09-05

Favors, Edward G.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

110204, 431115, F22B 500

Patent

active

048628352

ABSTRACT:
A flame-tube boiler is provided with a system of burners for the low-NO.sub.x combustion of heavy oil, with an air box (8) that communicates with the cooled flame tube (1) by way of a central primary-air channel (16) that surround an oil-burner lance (17) and by way of secondary-air feeds (18) that surround the primary-air channel. The flue-gas line (19) communicates with the flue-gas outlet (7) and accommodates a precipitator (20), which has a solids outlet that communicates with a ring of nozzle pipes (24) inside the burner and opening into the flame tube.

REFERENCES:
patent: 3868211 (1975-02-01), Haye et al.
patent: 3880570 (1975-04-01), Marshall
patent: 3957418 (1976-05-01), Sata
patent: 4699071 (1987-10-01), Vier et al.

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