METHOD FOR PREHEATING ANNEALING PRODUCTS IN A HOOD-TYPE ANNEALING SYSTEM, AND HOOD-TYPE ANNEALING SYSTEM

The method for preheating annealing products (3, 4) in a hood-type annealing system having two annealing bases (1, 2) receiving the annealing products under a protective hood, is claimed. The annealing products to be subjected to a heat treatment are preheated in the protective hood by way of a gase...

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Bibliographische Detailangaben
Hauptverfasser:	SAUSCHLAGER ANDREAS, LOCHNER HERIBERT, EBNER ROBERT, DENK GERHARD
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING KILNS LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	The method for preheating annealing products (3, 4) in a hood-type annealing system having two annealing bases (1, 2) receiving the annealing products under a protective hood, is claimed. The annealing products to be subjected to a heat treatment are preheated in the protective hood by way of a gaseous heat transfer medium, which is circulated between the two protective hoods (7, 8), absorbs heat from annealing products heat-treated in the protective hood and dissipates the heat to the annealing products to be preheated in the other protective hood. The method for preheating annealing products (3, 4) in a hood-type annealing system having two annealing bases (1, 2) receiving the annealing products under a protective hood, is claimed. The annealing products to be subjected to a heat treatment are preheated in the protective hood by way of a gaseous heat transfer medium, which is circulated between the two protective hoods (7, 8), absorbs heat from annealing products heat-treated in the protective hood and dissipates the heat to the annealing products to be preheated in the other protective hood. The circulated heat transfer medium flows around the two protective hoods on the outside, while an inert gas is recirculated inside the protective hoods. An independent claim is included for a hood-type annealing system.