System and method for soil solution sampling

A soil solution and soil technology, which is applied in the field of soil solution sampling systems, can solve the problems of affecting the continuous sampling, poor pressure resistance of clay probes, and poor contact.

Inactive Publication Date: 2012-10-31
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

However, the pressure resistance of clay probes is poor, frost heaving can easily break the porous clay probes, and when the soil thaws, it is easy to make the clay probes not in contact with the surrounding soil. The process of replacing and maintaining the sampler is cumbersome and affects the continuous sampling

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  • System and method for soil solution sampling
  • System and method for soil solution sampling
  • System and method for soil solution sampling

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0018] The embodiment of the present invention discloses a system and method for soil solution sampling. The soil solution sampling system and method use negative pressure infiltration method to collect solution samples at different soil depths in the soil profile for use in physical and chemical analysis and monitoring, especially Yes, the soil solution sampling system and method are suitable for operation in alpine regions.

[0019] figure 1 It is a schematic structural diagram of a soil solution sampling system in an embodiment of the present invention. Such as figure 1 As shown, the system consists of a sampler ① and a liquid collection bottle ③, wherein the sampler ① and the liquid collection bottle ③ are connected by a sample collection tube ②. Specifical...

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Abstract

An embodiment of the invention provides a system and a method for soil solution sampling. The system and the method can resist cold frost heaving and melting contraction and be used for soil solution continuous sampling in a high and cold area during the frost heaving in winter and the melting contraction in spring. The embodiment provides a soil solution sampling device system which comprises a sampling device, a sample collecting pipe and a liquid collection bottle. The sampling device is formed by materials which are hard in texture and good in water and solution penetrating property, and when the device system is used, the sampling device is embedded in soil and connected with the liquid collection bottle on the earth's surface through the sample collecting pipe.

Description

technical field [0001] The invention relates to the fields of soil environment monitoring and pollutant migration and transformation, in particular to a system and method for soil solution sampling. technical background [0002] Soil is an organic whole composed of three-phase substances such as solid phase (mineral matter, organic matter), liquid phase (soil moisture), and gas phase (soil air). Soil solution is the general term for soil moisture and the solutes it contains. Under the action of gravity, molecular attraction, capillary force, etc., soil solution has different forms and movement forms, including solid state (ice), vapor state, bound state and free state. The free state solution includes capillary force adsorption and free movement of water under the action of gravity. In general, most of the water (solution) in the soil is the water held by the capillary force. In the process of environmental monitoring, the deep soil water that needs to be collected is main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
Inventor 陈锡云
Owner BEIJING NORMAL UNIVERSITY
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