PERFEZIONAMENTO NEGLI SCAMBIATORI DI CALORE E PROCEDIMENTO PER LA LORO FABBRICAZIONE

A method of making a rigid stainless steel, corrosion resistant. welded, tubular heat exchanger and the resulting heat exchanger for exchanging heat between fluids in which a pair of steel tubes 12, 13 with stainless surfaces are arranged in internested spaced relationship, providing a pair of cylin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JEFFREY ALAN LOGIC, ZALMAN PHILIP SAPERSTEIN
Format:	Patent
Sprache:	ita
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION 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 MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of making a rigid stainless steel, corrosion resistant. welded, tubular heat exchanger and the resulting heat exchanger for exchanging heat between fluids in which a pair of steel tubes 12, 13 with stainless surfaces are arranged in internested spaced relationship, providing a pair of cylindrical steel fillings 15 with stainless steel surfaces at each end 20 of the outer tube and welded to the outer tube on a shoulder of the outer tube by projection welding in which the contacting surfaces of the fitting and the tube are electric resistance welded, the ends of the inner and outer tubes being similarly welded together. Turbulators 14 are fitted between the tubes.