Solid particle adding device

The utility model provides a solid particle adding device. The solid particle adding device comprises a vertical sleeve, an upper valve cover and a lower valve cover, the upper valve cover is provided with a through hole through which solid particles can be fed downwards and normal-pressure liquid c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG XIJIAN, ZHANG YAN, CHEN HANGYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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