Underground water high-fidelity sampling system and sampling method

The invention provides an underground water high-fidelity sampling system and a sampling method. According to the underground water high-fidelity sampling system, a near-liquid-level deep well sampling device used for pumping underground water is arranged below the liquid level in a well pipe, and a...

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Bibliographische Detailangaben
Hauptverfasser: LIU XIANGGUO, WEN JILI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides an underground water high-fidelity sampling system and a sampling method. According to the underground water high-fidelity sampling system, a near-liquid-level deep well sampling device used for pumping underground water is arranged below the liquid level in a well pipe, and a water outlet pipe installed at the top of the near-liquid-level deep well sampling device is sequentially communicated with a quality stabilizer, a laminar flow sampler and a sampling bottle which are arranged on the ground. Based on the underground water high-fidelity sampling system, in the sampling process, a water sample enters from the screen pipe pendant at the lower end of the near-liquid-level deep well sampling device and finally flows into the sampling bottle, and the water pumping flow rate is controlled by adjusting the flow regulator, so that the sampled water flow is stable, micro-disturbance water pumping is realized, the probability of overflow and loss of volatile substances in water can be effect