Ore leaching radon measuring device

The utility model discloses an ore leaching radon measuring device which comprises a radon collecting hood, an ore loading barrel, a water collecting container, a high-level water tank, a low-level water tank and an RAD7 air probe, the RAD7 water probe, the radon collecting hood, the ore loading barrel and the water collecting container are sequentially connected from top to bottom to form a closed container, and the high-level water tank is communicated with the radon collecting hood through a pipeline. The low-position water tank is communicated with the water collecting container through a pipeline, an air pressure balance hole is formed in the radon gas collecting hood, and the radon gas collecting hood is communicated with an RAD7 air inlet filter provided with an RAD7 air probe through an exhaust pipe; the water collecting container is communicated with the liquid collecting pool through a liquid discharging pipe, and the RAD7 water probe is arranged in the low-position water tank. The RAD7 air probe is