Remote monitoring alarm control system of pipeline cutoff device

The invention relates to a safety protection facility for a mining and transportation pipeline, in particular to a remote monitoring alarm control system of a pipeline cutoff device. The remote monitoring alarm control system of the pipeline cutoff device comprises a wellhead safety hydraulic cutoff...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG XIAOHUA, CAO HUI, YANG GONGTIAN, WENG GAOFU, YIN LIN, WENG ZHI, ZHANG CHONGJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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