Converging-diverging combustion zones for furnace heat exchangers

A furnace unit that comprises a burner assembly (105) having at least one burner (110) located therein and a heat exchanger (120) having at least one continuous combustion tube (125). One end (130) of the combustion tube has a first opening (135) that is coupled to the burner assembly. The combustio...

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Bibliographische Detailangaben
Hauptverfasser:	Paller, Hans J, Manohar, Shailesh S, Cherington, Floyd E, Whitesitt, John W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING REGULATING OR CONTROLLING COMBUSTION WEAPONS
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Beschreibung
Zusammenfassung:	A furnace unit that comprises a burner assembly (105) having at least one burner (110) located therein and a heat exchanger (120) having at least one continuous combustion tube (125). One end (130) of the combustion tube has a first opening (135) that is coupled to the burner assembly. The combustion tube has at least three zones. A first surface of the first zone (205) has a first non-straight angle with a second surface of the second zone (207). The second surface has a second non-straight angle with a third surface of the third zone (209). The first zone is nearest of the three zones to the burner assembly and the second zone is in-between the first zone and the third zone. The first, second and third zones are within a flame length configured to be emitted from the burner.