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Device for continuously obtaining drill hole in-situ water samples and water taking method

A water sample, in-situ technology, applied in sampling devices and other directions, can solve the problem of no simple and efficient device, and achieve the effect of low manufacturing cost and ensuring accuracy

Inactive Publication Date: 2017-05-31
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is still no simple and efficient device for how to avoid repeated lifting and release of water intake devices and continuously obtain in-situ water samples at different depths. Therefore, further research is needed

Method used

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  • Device for continuously obtaining drill hole in-situ water samples and water taking method

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0030] Such as figure 1 As shown, a device for continuously obtaining in-situ water samples in boreholes includes an air pressure control system, a pipeline delivery system and a lifting control system. The system includes an embolism air delivery pipe 9, a water intake air delivery pipe 19 and a water delivery pipe 29. The end of the water delivery pipe 29 is provided with a water receiving container 30, and the air delivery pipe 5 is provided with an air pressure gauge 2, a pressurization valve 3 and a pressure release valve 4, and the lift control The system includes a winch 14, a counter 15 and a wire rope 16, and also includes a water inlet control system and an embolism isolation system. The water inlet control system includes a water storage cylinder 21, and the upper end of the water storage cylinder 21 is connected to the wire rope 16 throug...

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Abstract

The invention discloses a device for continuously obtaining drill hole in-situ water samples and a water taking method. The device comprises an air pressure control system, a pipeline transportation system, a lifting control system, a water inlet control system and a plug isolation system, wherein the air pressure control system is mainly used for providing a pressure difference for the water intake control system. The pipeline transportation system is mainly used for transmitting an air pressure and conveying the water samples. The lifting control system is mainly used for dropping and lifting a water taking device. The plug isolation system is mainly used for isolating a water taking test section. The water inlet control system is mainly used for controlling opening and closing of a water inlet valve according to the pressure difference. The device for continuously obtaining the drill hole in-situ water samples, provided by the invention, can continuously obtain the samples at different depths below the drill hole underground water level under the condition of one dropping and one lifting of the water taking device, and has the advantages of being low in manufacturing cost, simple in structure, easy to operate, and the like.

Description

technical field [0001] The invention belongs to the field of hydrogeology, and in particular relates to a device and method for continuously obtaining in-situ water samples in boreholes. The device can be used to continuously obtain in-situ water samples at different depths below the groundwater surface of boreholes. Background technique [0002] When analyzing the hydrogeological conditions in the study area, it is sometimes necessary to obtain in-situ water samples from different depths of boreholes in the study area for hydrochemical and isotope analysis. In the past, the borehole water intake device needed to repeat the operation of lowering and lifting the water intake device in order to obtain water samples at different depths of the borehole. In addition, in the past, the water intake device usually obtained the mixed water in the borehole. There is still no simple and efficient device for how to avoid repeated lifting and unloading of the water intake device and con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 庄超周志芳王锦国
Owner HOHAI UNIV
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