EXTERNAL HEAT TYPE ROTARY FURNACE AND METHOD FOR BAKING EXPANSION PARTICLE

PROBLEM TO BE SOLVED: To improve a thermal efficiency by providing a baffle plate for inhibiting a heat escape at least to an inside of a through hole. SOLUTION: An inner diameter of a fixed furnace 1 is 600 mm, and an outer diameter of a rotary cylinder 4 is 200 mm. A baffle plate 6 having an outer...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO MASAHIKO, KOMINE HIDEO, EZAKI MASATOSHI, KODAMA TOSHIMICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 HEATING KILNS LIGHTING MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve a thermal efficiency by providing a baffle plate for inhibiting a heat escape at least to an inside of a through hole. SOLUTION: An inner diameter of a fixed furnace 1 is 600 mm, and an outer diameter of a rotary cylinder 4 is 200 mm. A baffle plate 6 having an outer diameter of 400 mm is mounted at the cylinder 4. A length of the cylinder 4 in the furnace 1 is 2,000 mm. A material of the cylinder 4 and the plate 6 is SUS 310S. An interval (an expansion base side in the furnace 1) between a fixed furnace cover 2 and the plate 6 is 50 mm, and an interval (an expansion end side in the furnace 1) between the cover 2 and the plate 6 is 90 mm. Thus, a pressure in the furnace is plus 15 mmH2O. Thus, even when the cylinder 4 is heated to 1,000 deg.C or higher by a flame, a good thermal efficiency and a product recovery yield are obtained even without direct blow-off of the flame.