Fire tube heater

A fire tube heater apparatus includes a shell, with a tube bundle received in the shell and a burner section communicated with the tube bundle. The tubes in the tube bundle have circular inlet and outlet end portions with a flattened, serpentine intermediate portion. The intermediate portion has a w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SMELCER JIM C, ISKE BRIAN J, ROLPH NEIL W
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A fire tube heater apparatus includes a shell, with a tube bundle received in the shell and a burner section communicated with the tube bundle. The tubes in the tube bundle have circular inlet and outlet end portions with a flattened, serpentine intermediate portion. The intermediate portion has a width greater than the inlet outside diameter and a tube thickness transverse to the width less than the inlet outside diameter.