HEAT TREATMENT APPARATUS USING SUPERHEATED STEAM

PROBLEM TO BE SOLVED: To provide a heat treatment apparatus using superheated steam, capable of holding the temperature in a tunnel at a high temperature by using few steam ejecting nozzles, generating condensed water of steam at the gate parts of a conveyor belt and of the tunnel, and preventing ge...

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Hauptverfasser:	NAGAOKA TADAMASU, KAWASAKI TERUYUKI, FUJITA MITSURU, MATSUNAGA YASUZUMI, ENAMI YOSHIAKI, ITOI MASAYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR MAKING BEVERAGES BAKERS' OVENS BAKING COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES EDIBLE DOUGHS FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J FURNITURE HUMAN NECESSITIES KITCHEN EQUIPMENT MACHINES OR EQUIPMENT FOR BAKING PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL SPICE MILLS SUCTION CLEANERS IN GENERAL THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a heat treatment apparatus using superheated steam, capable of holding the temperature in a tunnel at a high temperature by using few steam ejecting nozzles, generating condensed water of steam at the gate parts of a conveyor belt and of the tunnel, and preventing generation of stagnation and vortex flow in the discharge gas flow of the superheated steam in the tunnel. SOLUTION: A suction duct is connected near the both end gates of a tunnel path of a cylindrical case forming the tunnel path in which a conveyor can run, the steam in the tunnel path is sucked with air by using the suction duct, and a heat insulating space is formed on the upper part of the tunnel path with the suction duct and the cylindrical case and a steam ejecting nozzle, which ejects downward the superheated steam from the upper wall center of the tunnel path into the tunnel path, is formed in the heat insulating space. COPYRIGHT: (C)2009,JPO&INPIT