The application discloses a
system and method for measuring
radon concentration in different stages in the process of destroying water-containing
coal rock samples, and relates to the field of
radon concentration measurement. The
system comprises a loading displacement device, a displacement liquid supply device, a pipeline cleaning device, a staged
radon collection device, a spraying and
aeration device and a
radon gas measurement device. The displacement liquid with radon dissolving capacity is introduced into the
coal rock sample through the liquid
inlet channel in the pressure rod, the dissolved
radon gas in the pore water is migrated and discharged, and the
effluent is collected in different stages of loading destruction. The collected liquid is treated by pipeline heating, spraying circulation and bubbling
aeration, and then the dissolved
radon gas is migrated to the
gas phase and introduced into the radon
detector for detection. The application realizes the stage-by-stage acquisition of radon concentration in the loading process of water-containing
coal rock, can accurately monitor the content of radon gas in the breaking process of water-containing coal rock, and provides a reliable experimental platform and
technical support for expanding the application of radon monitoring in rock
mass disaster warning and mechanical behavior characterization.