Dangerous article solvent trace feeding device

The utility model discloses a trace solvent feeding device for dangerous goods. The trace solvent feeding device comprises a sealing box body, a liquid storage cylinder, a piston head, a piston rod, a transmission screw rod, a rotating motor and a connecting plate, a suction pipeline connected with...

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Bibliographische Detailangaben
Hauptverfasser: WEI HONGSHENG, CHANG SHENGQUAN, ZHOU YAJUAN, GU KUNLUN, WANG SHUO, LI YINGCHUN, SHEN GUOHONG, SUN ZHIYING, ZHANG JINYAO, LI DAN, CHE ZHAOYI, SHI SHUNCAI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a trace solvent feeding device for dangerous goods. The trace solvent feeding device comprises a sealing box body, a liquid storage cylinder, a piston head, a piston rod, a transmission screw rod, a rotating motor and a connecting plate, a suction pipeline connected with a solvent storage tank and a liquid outlet pipeline for feeding are led out from an upper end plate of the liquid storage cylinder; a suction valve is arranged on the suction pipeline, a liquid outlet valve is arranged on the liquid outlet pipeline, and the initial section of the liquid outlet pipeline is arranged below the mounting position of the suction valve on the suction pipeline; and the rotating motor drives the connecting plate to vertically move through the transmission screw rod, so that the piston rod and the piston head are driven to vertically move in the liquid storage cylinder. The feeding device disclosed by the utility model can meet the requirement of continuously, stably and automatically dropwi