Novel continuous water radon degassing measurement device and method

Abstract

The invention discloses a novel continuous water radon degassing measurement device and method. The measurement device comprises a degassing container, an ultrasonic atomizer, a water sample uniform stirrer, a radon-containing water sample, a filter, an inverted U-shaped communicating vessel, a radon gas circulating gas inlet, a radon gas circulating gas outlet, a degassing container upper flange plate, a degassing container lower flange plate, a submersible pump, a wastewater discharge port, a degassing container cable joint, a silica gel hose, a dryer, a radon measurement instrument and a controller. The active ultrasonic atomization method is adopted to replace a traditional passive bubbling method, the contact surface of a radon-containing water sample and air is greatly increased, and therefore the water radon degassing efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of water radon degassing measurement, in particular to a novel continuous water radon degassing measuring device and method. Background technique [0002] Radon is an inert gas that is chemically inactive and has radioactive decay characteristics. Radon is ubiquitous in nature, and its distribution and migration in formations are mainly affected by the distribution of parent nuclides, formation geological structures (temperature, Porosity, water content, etc.) and geological activities (earthquakes, etc.) and other complex factors. As a seismically sensitive component of underground fluid, radon is one of the seven major earthquake precursors generally recognized internationally. Since the Xingtai earthquake in 1966, my country has vigorously carried out the research work on earthquake precursors mainly based on radon gas measurement. In the field of earthquake precursor fluid observation, seismic observati...

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Problems solved by technology

[0005] (1) Passive degassing methods such as bubbling, dripping and spraying degassing are basically adopted, and the degassing efficiency of water radon in the degassing device is not high;

[0006] (2) In passive degassing methods such as bubbling, splashing, and spraying degassing, the control stability of the air intake and water intake of the degassing device is not high, resulting in insufficient degassing stability;

[0007] (3) There is a lack of monitoring of key parameters in passive degassing methods such as bubbling, drip splashing, and spraying degassing

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