Analytical sampling device

• Main Authors: JING JIANZHONG, WANG SONG, XIE SHAN, YU GANG
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model belongs to the technical field of sampling equipment, and particularly relates to an analytical sampling device which comprises an extraction cylinder and a discharge pipe, a shell is arranged below the extraction cylinder, a piston is arranged in the extraction cylinder, a pull rod is vertically arranged at the top end of the piston, a pull plate is arranged at the top end of the pull rod, and an anti-reverse assembly is arranged at the bottom end of the extraction cylinder; a sealing plate is arranged at the bottom end of the shell, an air inlet is formed in the middle of the sealing plate, a sealing assembly penetrates through the middle of the shell, and a gas mixing assembly and a vacuum pump are arranged on one side of the top end of the shell. According to the utility model, the shell can be vacuumized by adopting the vacuum pump, then the shell is put into the gas chamber, the gas inlet hole can be opened by pressing the sealing assembly downwards, gas to be detected quickly enters t