Variable-frequency pump and regulating valve combined pressure regulating method for oil conveying pipeline

The invention discloses a variable-frequency pump and regulating valve combined pressure regulating method for an oil conveying pipeline. The method is characterized by comprising the following stepsthat a first manual/automatic shift switch and a second manual/automatic shift switch are used for sh...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG CHENG, WANG YONGJI, YU BIN, NIE ZHONGWEN, YU YONGZHI, KONG YUDING, PANG BAOHUA, SHAN CHAO, JIANG NIANCHEN, ZUO YONG, GONG YUNFENG, HUANG JING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS WEAPONS
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