Experimental device and experimental method for multiple-depth sampling of overlying water in field

A technology of experimental device and experimental method, which is applied in the direction of sampling device, etc., can solve the problems of low degree of automation, difficult precise operation, repetitive labor, etc., and achieve the effect of saving experimental time, improving sampling efficiency, and preventing debris from clogging

Inactive Publication Date: 2019-02-15
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the field water sample collection device is difficult to achieve precise operation, the degree of automation is not...

Method used

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  • Experimental device and experimental method for multiple-depth sampling of overlying water in field
  • Experimental device and experimental method for multiple-depth sampling of overlying water in field
  • Experimental device and experimental method for multiple-depth sampling of overlying water in field

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Experimental program
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Embodiment Construction

[0030] Such as figure 1 As shown, the experimental device includes a closed box 1, a sampling system 2, an electric micro-processing system 3, a water body pressure sensor 4, and a bottom filtering device 5. Wherein the airtight casing 1 is made up of a stainless steel cylinder 1-1 with good airtightness, an upper metal cover 1-2 and a PVC circular plate 1-3 at the bottom.

[0031] The sampling system 2 includes different types of replaceable syringes 2-1, a solenoid valve 2-2, a connecting pipe 2-3 and a PVC supporting device 2-4 for fixing them. Among them, 10 different types of replaceable syringes 2-1 are distributed around the outer diameter of the circular plate, and the space where the piston 2-1-1 of each syringe is stretched is equipped with a compressible spring 2-1-2 and is placed on the front end of the syringe. The connecting pipe 2-3 is provided with a one-to-one corresponding solenoid valve 2-2. The connecting pipe 2-3 passes through the round hole on the PVC s...

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Abstract

The invention discloses an experimental device and an experimental method for multiple-depth sampling of the overlying water body in the field. The experimental device comprises a box body, a samplingsystem fixed in the box body, and a microprocessor system connected to the sampling system. The sampling system comprises syringes fixed in the box body and solenoid valves connected to the syringes.The microprocessor system controls the syringes in the sampling system to collect water samples of different depths. According to the experimental device, the collection of the overlying water samples in the field is realized, automation of the whole collection processing is realized, and the accurate operation of samples collection is achieved. The sampler can be delivered to different depths inone dispensing process, and Bluetooth can accurately control each sampling syringe, thereby achieving the purpose of simultaneously collecting water samples with multiple depths by one dispensing process, and providing certain technical support and reference for the ecological process of temporal and spatial changes of pollutants in the overlying water such as rivers and lakes. The experimental device is easy to carry and simple to operate, and has high adaptability.

Description

technical field [0001] The invention relates to an environmental protection device, in particular to an experimental device and an experimental method for multi-depth sampling of an overlying water body in the field. Background technique [0002] With the rapid development of the economy, more and more aquatic environments such as rivers and lakes have been polluted. In recent years, river protection has become a hot issue of general concern. The ecological health of rivers has a great impact on the survival of surrounding humans and the diversification of river biomes Keep it important. In order to monitor the spatio-temporal distribution and changes of pollutants in the overlying water body and take timely control measures, it is particularly critical to take water sampling methods and conduct real-time monitoring. [0003] At present, the field water sample collection device is difficult to achieve precise operation, the degree of automation is not high, and the sampling...

Claims

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Application Information

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IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 金光球郝永飞陈鹤翔姜启豪张向洋唐洪武叶长结王丽艳何文浩徐晶
Owner HOHAI UNIV
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