SOLID FUEL CRUSHING DEVICE AND METHOD FOR MANUFACTURING SOLID FUEL CRUSHING DEVICE

Provided is a roller mill that is provided with: a rotary table (12); a raw coal adding tube that supplies solid fuel to the rotary table (12); and a roller (13) that rotates about a rotating shaft (21) by being pressed against a grinding surface (12c) of the rotary table (12) and grinds solid fuel...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUI, KAZUSHI, DAIMARU, TAKUICHIRO, MATSUMOTO, SHINJI, TSUTSUBA, TAKASHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a roller mill that is provided with: a rotary table (12); a raw coal adding tube that supplies solid fuel to the rotary table (12); and a roller (13) that rotates about a rotating shaft (21) by being pressed against a grinding surface (12c) of the rotary table (12) and grinds solid fuel along with rotation of the rotary table (12). In such a roller mill, a position (P1) where an outer peripheral surface (13a) of the roller (13) and the grinding surface (12c) of the rotary table (12) come into contact with each other and a circumferential velocity of the outer peripheral surface (13a) equals a circumferential velocity of the grinding surface (12c) is located further to an inner circumferential side of the rotary table (12) than a position (P2) where the outer peripheral surface (13a) and the grinding surface (12c) come into contact with each other at a center position in a width direction of the roller (13).