System for conveying fluid

• Main Authors: HAN FENGTAO, NIU JINGHONG, FANG WU, ZHAI HONGQIANG, BI MINGSONG, ZHANG BIAO, LI BO
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

An embodiment of the present invention discloses a system for conveying a fluid, comprising: a diaphragm pump which alternately generates a positive pressure and a negative pressure in a chamber by reciprocating a diaphragm; the valve bank comprises a first valve and a second valve, each of the first valve and the second valve comprises a valve seat and a valve element, a valve cavity is defined by the valve seat, a first opening and a second opening are formed by the valve seat, the valve cavity is opened by the first opening and the second opening, the valve element comprises a sealing part and a reset spring connected to the sealing part, the first openings of the valve seats of the first valve and the second valve are communicated with the cavity; the valve bank can be switched between a first valve bank state and a second valve bank state, in the first valve bank state, the first valve is in the first valve state, the second valve is in the second valve state, and in the second valve bank state, the firs