The lower end of the housing is sealed, and the gas inlet ( 1) and the lower sampling valve ( 3) are respectively arranged on the side wall at the lower end. 所述壳体下端封闭,其下端侧壁上分别设置有所述气体入口(1)和下采样阀(3)。
Coal gas samplers in gas sampling bag were injected into gas chromatography by a six-port valve, separated by repacked column TDX-01 and determined by thermal conductivity detector ( TCD). 采集的煤气样品由6通阀进样,TDX-01填充色谱柱分离,热导检测器检测。