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Seawater suspended matter sampling device and method

A sampling device and suspended solids technology, applied in the field of nuclear power, can solve problems such as heavy workload, sample pollution, and influence on suspended solids collection, and achieve the effects of saving manpower and material resources, improving sampling efficiency, and optimizing sampling methods

Pending Publication Date: 2017-12-29
YANGJIANG NUCLEAR POWER +3
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  • Abstract
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Problems solved by technology

[0003] Although the existing method provides a method for collecting seawater suspended matter, it still has the following disadvantages: the sample size of the suspended matter collected by a single filtration is small (5mg~10mg), and the filtration time is long (20min-30min); The workload of suspended matter samples (5g~10g) required for the measurement of sample properties is huge; after a large number of seawater samples are collected at the same time, the suspended matter in the seawater samples that cannot be filtered in time is easy to deposit in the sampling bottle, which affects the collection of suspended matter; The sample is attached to the filter membrane, which may damage the filter membrane when it is removed, resulting in sample contamination

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  • Seawater suspended matter sampling device and method

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Embodiment Construction

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Typical embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0022] It should be noted that when an element is referred to as "fixing" another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "vertical" and similar expressions are used herein for the purpose of description only.

[0023] Unless otherwise defined, all technical and scien...

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Abstract

The invention discloses a seawater suspended matter sampling device and method. The device comprises a submersible pump (10), a filter (20) and a connecting pipeline (30), wherein the submersible pump (10) can be placed into seawater; the filter (20) can be fixed on a ship's rail and comprises a filter bag (28) for separating the seawater and suspended matter, the suspended matter is retained in the filter bag (28) during sampling, and the bore diameter of the filter bag (28) is set according to experiment requirements; the connecting pipeline (30) is used for connecting the submersible pump (10) with the filter (20). The seawater suspended matter sampling device has the advantages that the seawater and the suspended matter can be separated continuously, sampling efficiency is increased, manpower and material resources are saved, the minimum particle size of the to-be-collected seawater suspended matter can be selected freely due to the fact that the bore diameter of the filter bag is set according to the experiment requirements, the sampling speed of the seawater suspended matter is increased greatly, and sample representativeness can be guaranteed at the same time.

Description

technical field [0001] The invention relates to the field of nuclear power, in particular to a seawater suspended matter sampling device and a sampling method. Background technique [0002] The Kd factor is a key parameter in the environmental impact assessment of nuclear power plants, and it is of great significance for evaluating the radiation dose of radionuclides in the liquid effluent of nuclear power plants to the public. When measuring the Kd factor in seawater, in order to determine the experimental conditions, it is necessary to measure the properties of the suspended matter sample, and the property measurement requires more suspended matter samples (5g-10g dry sample). When the existing method collects suspended solids in seawater, a sampling bottle is used to collect seawater samples to the laboratory, and a suction filtration device is used to filter the seawater samples in the laboratory, and the suspended solids on the filter membrane are collected as suspended...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14G01N1/34
CPCG01N1/14G01N1/34
Inventor 林冠金晓祥贺毅陈超峰陈权
Owner YANGJIANG NUCLEAR POWER
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