Efficient low-temperature vacuum lignite upgrading device

The utility model belongs to the technical field of upgrading devices, and particularly relates to an efficient low-temperature vacuum lignite upgrading device. The quality improving box is fixedly arranged at the ends, away from the grinding box, of the multiple supporting rods; the connecting pipe...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI WENXIU, YUAN XUFANG, RONG LINGKUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLEANING CLEANING IN GENERAL CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PREVENTION OF FOULING IN GENERAL TRANSPORTING
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