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Real-time in-situ collecting and monitoring device for interstitial water of lake and reservoir bottom mud

A collection device and monitoring device technology, which is applied to sampling devices, test water, signal transmission systems, etc., can solve the problems of easy blockage of sampling devices and easy mixing of collected water samples.

Active Publication Date: 2021-05-18
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention solves the technical problems that the collected water samples are easy to mix, the sampling device is easy to be blocked, and the gap water collection device in the prior art can only realize a single sampling, and further provides a liquid-changeable, washable, A real-time in-situ sampling and monitoring device capable of real-time and continuous sampling of points, accurate sampling and not easy to clog the interstitial water of lake sediment

Method used

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  • Real-time in-situ collecting and monitoring device for interstitial water of lake and reservoir bottom mud
  • Real-time in-situ collecting and monitoring device for interstitial water of lake and reservoir bottom mud
  • Real-time in-situ collecting and monitoring device for interstitial water of lake and reservoir bottom mud

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Embodiment 1

[0044] This embodiment provides a real-time in-situ collection device for interstitial water in the sediment of the lake reservoir, such as figure 1 As shown, it includes: a cylinder body 2, a collection chamber 26 is arranged in the cylinder body 2, and the outer opening of the collection chamber 26 communicates with the outside of the cylinder body; the main body of the cylinder body 2 in this embodiment is cylindrical Shaped, a conical tip 5 is provided at the bottom end of the cylinder 2, so as to facilitate the insertion of the collection device into the sediment. In this embodiment, the cylinder 2 is made of stainless steel. As a preferred implementation mode, in this embodiment, an operation chamber 29 is provided at the central axis of the cylinder, and in this embodiment, each collection chamber 26 is arranged on the side wall 21 of the operation chamber 29 of the cylinder, It is arranged along the transverse direction of the cylinder body 2 , and the collection chamb...

Embodiment 2

[0052] This embodiment provides a real-time in-situ collection device for interstitial water in the sediment of the lake reservoir, such as image 3 and Figure 4As shown, it includes: a cylinder body 2, a collection chamber 26 is arranged in the cylinder body 2, and the outer opening of the collection chamber 26 communicates with the outside of the cylinder body; the main body of the cylinder body 2 in this embodiment is cylindrical Shaped, a conical tip 5 is provided at the bottom end of the cylinder 2, so as to facilitate the insertion of the collection device into the sediment. In this embodiment, the cylinder 2 is made of stainless steel. As a preferred implementation mode, in this embodiment, an operation cavity 29 is provided at the central axis of the cylinder. In this embodiment, each of the collection chambers 26 is arranged on the side wall 21 of the cylinder. The body 2 is arranged laterally, and the collection chambers 26 are arranged in 4 vertical rows, and the ...

Embodiment 3

[0061] This embodiment provides a real-time in-situ collection device for interstitial water in the sediment of the lake reservoir, including: a cylinder body 2, such as Figure 7 and Figure 8 As shown, a collection chamber 26 is arranged in the cylinder body 2, and the outer opening of the collection chamber 26 communicates with the outside of the cylinder body; in this embodiment, the main body of the cylinder body 2 is cut out of four vertical Cylindrical shape with straight plane 211, such as Figure 5 As shown, 4 vertical planes 211 are formed on the outer wall of the cylinder 2, and the 4 vertical planes 211 are evenly arranged in the circumferential direction, and the angle between every two adjacent planes is a right angle. A tip 5 is provided at the bottom of the cylinder to facilitate the insertion of the collection device into the sediment. In this embodiment, the cylinder is made of stainless steel. In this embodiment, an operation chamber 29 is provided at the ...

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Abstract

The invention provides a real-time in-situ collecting and monitoring device for interstitial water of lake and reservoir bottom mud. The device comprises a cylinder body, wherein the cylinder body is internally provided with a collecting cavity, and the outer side opening of the collecting cavity is communicated with the outside of the cylinder body; a capillary tube bundle which is placed in the collection cavity, wherein an opening in one end of the capillary tube bundle faces the outside of the cylinder body; a liquid collecting bin which is communicated with an opening in the other end of the capillary tube bundle; a liquid extraction pipe which is communicated with the liquid collection bin, wherein a liquid extraction device is arranged on the liquid extraction pipe; and a propelling mechanism which is connected with the capillary tube bundle and drives the capillary tube bundle to move towards the outside of the cylinder body. When the in-situ collecting device is vertically inserted into the sediment until the in-situ collecting device is stable, the capillary tube bundle is pushed by the propelling device to move outwards, so that the capillary tube bundle can be flatly inserted into a sediment layer, the operation of absorbing interstitial water is further carried out, and the range of extracting the interstitial water can be concentrated at a relatively accurate point position.

Description

technical field [0001] The invention belongs to the technical field of sediment sample collection, and in particular relates to a device for real-time in-situ collection and monitoring of interstitial water in bottom mud of lakes and reservoirs. Background technique [0002] Sediment is an important part of the water body, and the material exchange between the sediment-water interface has a very important impact on the water quality of the overlying water. Sediment interstitial water is the main medium for material exchange between sediments and water bodies. Studying the morphological composition of materials in interstitial water is of great significance for exploring the process of material migration and transformation at the lake sediment-water interface. When studying interstitial water, the most commonly used method is to complete the collection of sediment first, then sample the sediment in layers, and perform centrifugation and filtration on the layered sediment to s...

Claims

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Application Information

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IPC IPC(8): G01N33/18G01N1/14G08C17/02
CPCG01N33/18G01N1/14G08C17/02
Inventor 焦立新丁帅刘琰夏瑞
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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