利用20 cm不锈钢高压锅作为集气室，在锅的两边上、下分别打一个进出水孔，用15 mm不锈钢管道件连接，把进水口制作成高于锅内液面，出水口与锅内液面为同一水平面，形成一高一低，一小一大两个相对稳定的动态水平液面，在进水管中引入气泵输出气体，使集气室内进水同时进行自动连续鼓泡，把水中气体脱出，在输气管中接入玻璃转子流量计控制气体流量，进行恒流鼓泡。并应用于小流量冷水井气氡观测，效果显著。%A 20 cm stainless steel pressure cooker is used as gas collecting chamber , in a pot on ei-ther side of the upper and lower , respectively , in and out of the hole , use 15 mm stainless steel pipe connection, the water inlet into liquid level in the above , the outlet and the pot liquid level for the same horizontal plane, form held high, a small and a big, two relatively stable level of dynamic liq-uid level in the inlet pipe of pump output gas , the gas collecting chamber for automatic continuous bubbling at the same time , the water to the water gas out , access to glass rotor flowmeter in the pipe-line gas flow control , constant current bubbling .And applied to the small flow of cold water Wells gas radon observation , the effect is remarkable .
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