MICROWAVE DRYING METHOD OF HONEYCOMB FORMED BODY

Provided is a microwave drying method of a honeycomb formed body that, when the honeycomb formed body is induction-dried by irradiating with microwaves, reduce the temperature gradient inside of the formed body, whereby no defective shapes, such as deformation of cells of the honeycomb formed body,...

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Bibliographische Detailangaben
Hauptverfasser:	HAYASHI, Seiichiro, OKUMURA, Kensuke, ASAKURA, Norihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WEAPONS WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	Provided is a microwave drying method of a honeycomb formed body that, when the honeycomb formed body is induction-dried by irradiating with microwaves, reduce the temperature gradient inside of the formed body, whereby no defective shapes, such as deformation of cells of the honeycomb formed body, occur. A microwave drying method 1 of a honeycomb formed body includes: an introduction step of disposing the honeycomb formed body 10 while keeping an axis direction X of cells 11 of the honeycomb formed body vertically and introducing the honeycomb formed body 10 into a drying furnace capable of irradiating with microwaves; a reflector placing step of placing a microwave reflector 20 above the honeycomb formed body 10, the microwave reflector including a reflecting face having a coverage factor to an area of an end face of the honeycomb formed body 10 that is 15% to 30%; and a microwave drying step of irradiating the honeycomb formed body 10 with the microwaves of 915 MHz in frequency from above to dry the honeycomb formed body.