Multi-layer mutual shearing stirring drilling tool of drainage focusing mixing structure

The utility model relates to the technical field of stirring drilling tools, in particular to a multi-layer mutual shearing stirring drilling tool of a drainage focusing mixing structure, which comprises an inner stirring component, an outer stirring component, an airflow pipe, a powder flow pipe an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI GUOMIN, LIU ZHONG, ZHANG CHUFU, WANG ZHANCOU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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