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Surface sediment sampling device capable of accurately controlling thickness

A technology for controlling the thickness of surface sediments, applied in sampling devices and other directions, can solve the problems of unrepresentative surface sediments, easy loss of floating mud, and inability to accurately control thickness, etc., and achieve easy operation and maintenance, easy cleaning, and simple structure. Effect

Inactive Publication Date: 2014-07-02
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But how to accurately control the depth of 1cm with a knife or spoon? In the actual sampling process, the thickness of the sample cannot be accurately controlled. The layer of floating mud is easily lost, so that the collected surface sediments are still not well represented

Method used

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  • Surface sediment sampling device capable of accurately controlling thickness
  • Surface sediment sampling device capable of accurately controlling thickness
  • Surface sediment sampling device capable of accurately controlling thickness

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Such as Figure 1-3 As shown, the present invention includes a sampling depth control device, a mud scraping device, a sample storage tray and an outer support 2, wherein the sample storage tray consists of a sample storage tray bottom plate 5, a sample storage tray left panel 7, and a sample storage tray right panel 10 and the rear side plate 11 of the sample storage tray, the left side panel 7 of the sample storage tray, the right side panel 10 of the sample storage tray and the rear side panel 11 of the sample storage tray are all 5 cm high, and are arranged on the bottom plate of the sample storage tray 5 in sequence The left, right and rear sides of the sample storage tray are open. The outer bracket 2 is welded on the top of the sample storage tray, the sampling depth control device is arranged on the open side of the sample storage tray, and the upper en...

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Abstract

The invention relates to the technical field of ocean monitoring, and in particular relates to a surface sediment sampling device capable of accurately controlling thickness. The device comprises a sampling depth control device, a mud scraping device, a sample storage tray and an outer bracket, wherein an opening is formed in one side of the sample storage tray; the outer bracket is arranged above the sample storage tray; the sampling depth control device is arranged at the opening side of the sample storage tray, and the upper end of the sampling depth control device is connected with the outer bracket; the sampling depth control device can move up and down; the mud scraping device is arranged in the sample storage tray and is connected with a sample storage tray rear side plate opposite to the opening side of the sample storage tray; the mud scraping device can move front and back. The surface sediment sampling device is applicable to collection of surface sediment with a certain thickness during substrate monitoring survey of oceans, rivers and lakes, the thickness of the collected sediment can be simply and conveniently controlled, and a satisfactory surface sediment sample is obtained.

Description

Technical field: [0001] The invention relates to the technical field of marine monitoring, in particular to a surface sediment sampling device with accurate thickness control, which is suitable for collecting surface sediments of a certain thickness during ocean, river and lake bottom quality monitoring and investigation. Background technique [0002] Surface sediments play a non-negligible role in the transport of materials in oceans, lakes or rivers. On the one hand, the substances (especially pollutants) in the water body can enter the particulate matter through adsorption, flocculation or other physical and chemical effects, and enter the surface sediment with the sedimentation of the particulate matter, making the surface sediment a sink for these substances; while entering Substances (especially pollutants) in surface sediments will re-enter the water body through dissolution, desorption or other biochemical processes under suitable conditions, resulting in an increase...

Claims

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Application Information

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IPC IPC(8): G01N1/10
Inventor 李学刚宋金明袁华茂李宁段丽琴
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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