Rapid gas sampling device suitable for viscous soil
The invention relates to a rapid gas sampling device suitable for a viscous soil, and belongs to the technical field of gas collecting devices. The device comprises a soil cover; the soil cover is a cover body with a lower opening and a certain volume; a plurality of gas circulation holes and an ele...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a rapid gas sampling device suitable for a viscous soil, and belongs to the technical field of gas collecting devices. The device comprises a soil cover; the soil cover is a cover body with a lower opening and a certain volume; a plurality of gas circulation holes and an electric wire through hole are arranged at the upper part of the soil cover, and the soil cover is inserted into a soil layer and is used for carrying out gas collection on a certain volume of soil in the soil cover; a heating rod is arranged in the soil cover, the heating rod is inserted into the soillayer along with the soil cover, and the heating rod is used for heating the quantitative soil in the soil cover, so that gases in the soil are volatilized; the upper part of the soil cover is connected with a hollow connecting pipe, and a gas outlet is arranged on the connecting pipe; the gas outlet is connected with a gas sampling pump; and the gas sampling pump is used for collecting the gasesin the soil. The device d |
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