On-line sampling device

• Main Authors: FAN XIAOXIAN, GONG SHUZHAN, YAO JINGYI, JING BING, LIU JIXUN, SHEN JUNFANG, REN SHUQIONG
• Format: Patent
• Language: Chinese; English
• Published: 13.08.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides an on-line sampling device, and relates to the technical field of fluid sample sampling, the on-line sampling device comprises a sampling valve, a bypass pipe and a sampling cylinder; the sampling valve comprises a liquid inlet sampling valve and a liquid outlet sampling valve, the sampling valve comprises a valve body and a valve element, and the valve element is tightly and slidably connected into the valve body; a stock solution inlet and outlet, a bypass port and a sampling port are formed in the valve body, and a bypass cavity and a sampling cavity are formed in the valve element; the bypass pipe is communicated between the bypass port of the liquid inlet sampling valve and the bypass port of the liquid outlet sampling valve; the sampling barrel is communicated between the sampling port of the liquid inlet sampling valve and the sampling port of the liquid outlet sampling valve; and the stock solution inlet and outlet, the bypass cavity and the bypass port form a bypass channel, th