METHOD FOR BACK FILLING MATERIAL

摘要

PURPOSE: A manufacturing method of back filling materials is provided to continuously and concurrently provide mixtures including bentonite and cement to a plurality of work places. CONSTITUTION: A manufacturing method of back filling materials comprises the following steps: inserting water and bentonite in a bentonite mixer(110); mixing water with bentonite by using the bentonite mixer; transferring the water-bentonite mixture to a bentonite silo(120); circulating the transferred water-bentonite mixture through the silo circulation pipe and bentonite sand straight road and storing and aging the mixture; inserting the matured bentonite - water mixture into a cement mixer(140); mixing cement and the bentonite - water mixture in the cement mixer; and agitating the mixture including cement, bentonite, and water in the multiple stirring devices(130).