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Sampling device

The technology of a sampling device and a casing is applied in the field of sampling devices, which can solve the problems of destroying the filter material layer and mixing the upper and lower filter material layers, and achieves the effect of facilitating long-term fixed-point monitoring.

Pending Publication Date: 2021-10-08
POWERCHINA WATER ENVIRONMENT GOVERANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a sampling device, which aims to solve the problem that the existing collection and sampling equipment will cause the destruction of the filter material layer and the mixing of the upper and lower filter material layers when sampling various types of filter materials

Method used

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0044] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention relates to the technical field of wetland filter material collection, and provides a sampling device, which is used for being pre-embedded in a subsurface flow wetland for sampling. The sampling device comprises a shell used for being pre-embedded in a subsurface flow wetland, and a plurality of filter material boxes which are sequentially arranged on the inner side of the shell in the height direction of the shell and are filled with a filter material. A plurality of water passing holes for water flow to pass through are formed in the shell in the height direction of the shell, and filter material holes corresponding to the water passing holes are formed in each filter material box. Filter material samples at different depths can be extracted only by taking out the filter material boxes from the shell, and fixed-point sampling can be realized without excavating a subsurface wetland filter material layer to take out the whole sampling device. Meanwhile, the sampling device disclosed by the invention can set monitoring points in different areas of the wetland according to research requirements, so that filter material samples in different areas and at different time in the wetland can be comprehensively obtained. The sampling device has the characteristics of convenience, flexibility and the like.

Description

technical field [0001] The invention relates to the technical field of wetland filter material collection, and in particular provides a sampling device. Background technique [0002] Wetland filter material is a kind of artificially combining one or several fillers (such as zeolite, gravel, soil, sand, cinder, limestone, etc.) in a certain proportion, through different combinations, and wetland plants and attached to the filter material. Microorganisms cooperate to complete the purification of sewage through complex physical, chemical and biological actions. [0003] During the operation of the wetland, the physical and chemical properties of the filter material will change significantly with time, especially the filter material at different positions and different depths due to the concentration of water pollutants received (such as organic pollutants, heavy metal elements, nitrogen, etc.) Phosphorus, sulfide, suspended solids, etc.), water dissolved oxygen content, and pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1006
Inventor 杨海洋毛战坡刘彦鹏曹永生刘鹄陈铁柱刘成志王峰杨凯廖敏辉刘欣
Owner POWERCHINA WATER ENVIRONMENT GOVERANCE
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