Integrated process and system for measurement and treatment of toxic gases in deep natural gas

A device for detecting toxic gases in natural gas, comprising:

• a power supply, a display, an electrical signal amplifier, a first electrical signal processor, a second electrical signal processor, a third electrical signal processor, a radon detection chamber, a hydrogen sulfide detection chamber and a mercury detection chamber configured to communicate in this order;
• wherein the radon detection chamber is provided with an alpha detector electrically connected to an input end of the first electrical signal processor, and an output end of the first electrical signal processor is electrically connected to the display via the electrical signal amplifier;
• a gas inlet of the radon detection chamber is provided with a detachable filter layer for filtering and removing radon daughters in the natural gas;
• wherein the hydrogen sulfide detection chamber is provided with a heating plate and an inductor plate, the inductor plate is provided with a metal oxide semiconductor on a surface thereof and is electrically connected to an input end of the second electrical signal processor, and an output end of the second electrical signal processor is electrically connected to the display via the electrical signal amplifier;
• wherein the mercury detection chamber contains a permanganate solution and is provided with two conductive plates partially immersed in the permanganate solution, and the portions of the conductive plates that are not immersed in the permanganate solution are electrically connected to an input end of the third electrical signal processor, and an output end of the third electrical signal processor is electrically connected to the display via the electrical signal amplifier;
• and
• wherein the power supply is used to apply a voltage to each of the radon detection chamber and the mercury detection chamber.