Recirculating burner

Details Recirculating burner Recirculating burner

1975-08-22

1977-01-18

Favors, Edward G.

Combustion

Combustion products return structure

Recirculation about mixing or combustion chamber wall or baffle

431215, F23L 700

Patent

active

040036910

ABSTRACT:
A burner for burning a vaporizable liquid fuel comprising a cylindrical combustion chamber, the combustion chamber having an inlet and an outlet, a cylindrical vaporizing chamber, the vaporizing chamber having an inlet and an outlet, a first passage interconnecting the combustion chamber with the vaporizing chamber and serving as a mixing chamber, a second passage interconnecting the combustion chamber toward the combustion chamber outlet with the vaporizing chamber, for carrying hot combustion gases from the combustion chamber into the vaporizing chamber, a vaporizable liquid fuel inlet atomizer positioned along the axis of the vaporizing chamber to direct atomized liquid fuel thereinto, for vaporization therein of the fuel by the hot combustion gases, the atomizer being effected to support vaporization of the fuel before the same touches a wall, an air inlet at the interface of the first passage and the vaporizing chamber outlet, positioned to direct air under pressure through the first passage into the combustion chamber, the second passage, the vaporizing chamber, and the first passage together defining a recirculation path, the path having sufficient width to maintain blue-flame combustion, the vaporized fuel and hot gases being drawn by suction created by the air inlet into the first passage, where they are mixed with air entering from the air inlet to provide a combustible mixture for burning in the combustion chamber.

REFERENCES:
patent: 1839512 (1932-01-01), Waterman
patent: 3620657 (1971-11-01), Robinson
patent: 3652194 (1972-03-01), Bailey
patent: 3705784 (1972-12-01), Reichhelm

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