Self-water-absorption underground desorption device and method for measuring gas content

• Main Authors: ZHANG YUMING, MA ZHENGHENG, CHAO JIANWEI, XING CHEN, CAO JIANJUN, FU JUNHUI, ZHANG MINGYUE, SI JUNTING, YAO FENG, SUN HAITAO, WANG YANG, LI DEXIN, SUN PENG
• Format: Patent
• Language: Chinese; English
• Published: 03.05.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention belongs to the technical field of coal mine gas content measurement, and relates to a self-water-absorption underground desorption device and method for gas content measurement, and the self-water-absorption underground desorption device comprises a pipe body, a water plug, a one-way check valve, an air extractor, a coal sample cylinder and a connecting rubber pipe; scales are arranged on the tube body, sealing blocks fixedly connected with the tube body are arranged at the upper end and the lower end of the tube body, and an air inlet nozzle and a liquid outlet nozzle which are communicated with the interior of the tube body are arranged on the sealing block at the lower end of the tube body; the upper portion of the pipe body is further provided with an air exhaust nozzle communicated into the pipe body, the air exhaust nozzle is connected with an air exhaust device, and the air exhaust nozzle is further provided with a one-way check valve so that air in the pipe body can flow out of the air e