Device for detecting dimethylformamide in artificial leather production waste gas

The utility model discloses a device for detecting dimethylformamide in artificial leather production waste gas, which comprises a detector, one side of the detector is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a sampling pipe, one end of the sampling pipe is provided with a sampling structure, one end of the sampling structure is provided with an adjusting structure, and the adjusting structure is connected with the connecting pipe. The sampling structure comprises a push rod and a sampling piston, the sampling piston is connected to one end of the push rod, the sampling piston is slidably mounted in the sampling tube, the sampling piston is located on one side of the connecting tube, a mounting hole is formed in one end of the sampling tube, and the mounting hole is connected to one end of the push rod in a sleeving manner. By combining an internal sampling structure and an adjusting structure, push-pull sampling can be directly carried out, closed sa