Comprehensive sampling system for liquid waste treatment system of nuclear power plant

A technology for a waste liquid treatment system and a sampling system, which is applied in the field of waste liquid treatment in nuclear power plants, can solve problems such as the inability to meet the sampling requirements of waste liquid in nuclear power plants, and achieve the effects of protecting operators, reducing labor costs, and preventing contact.

Active Publication Date: 2014-04-02
CHINA NUCLEAR POWER ENG CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The name of the invention is "sampler" (application number CN201130231985.6, application date on July 20, 2011), the name of the invention is "sampler" (application number: CN201130198522.4, application date on June 29, 2011) and the inven...

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  • Comprehensive sampling system for liquid waste treatment system of nuclear power plant

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as figure 1 As shown, a kind of integrated sampling system that is used for nuclear power plant waste liquid treatment system provided by the present invention comprises on-site sampling box 1 and the distillate and heating steam condensate sampling pipeline (node ​​N03 to Between N05) and the concentrated liquid sampling pipeline (between nodes N08 and N12), the distillate and heating steam condensate sampling pipelines are connected to the local sampling box 1 with a mobile cooler 2.

[0018] In addition, an on-site sampling box flushing pipeline (between nodes N14 and N07 ) is connected to the on-site sampling box 1 for flushing the on-site sampling box 1 . A sampling pipeline flushing pipeline (between nodes N06 and N12) is also connected to the concentrated liquid sampling pipeline for flushing the sampling pipeline. The cold...

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Abstract

The invention relates to a comprehensive sampling system for a liquid waste treatment system of a nuclear power plant. The system includes an in situ sampling box (1), and a sampling pipeline for distillate and heated steam condensate water and a sampling pipeline for condensate liquid, which are connected to the in situ sampling box (1); and a movable type cooler (2) is arranged on the pipeline connecting the sampling pipeline for distillate and heated steam condensate water and the in situ sampling box (1). The invention uses the in situ sampling box as the main body and employs a centralized layout design; and through multi-functionalization of the in situ sampling box, sampling of different liquids under different circumstances can be completed, and cleaning and sweeping can be conducted after the sampling. At the same time, the system can reduce manpower cost required by cleaning, avoid unnecessary contact of the operator with sampling liquid and the sampling box with high radioactive level, so as to protect the operator function.

Description

technical field [0001] The invention belongs to the technical field of nuclear power plant waste liquid treatment, and in particular relates to a comprehensive sampling system used in a nuclear power plant waste liquid treatment system. Background technique [0002] Sampling and analysis of waste liquid in the nuclear power plant waste liquid treatment system is an important basis for judging the effect of waste liquid treatment. Due to the use of evaporation and concentration treatment, if the general sampling pipeline design is followed, there is a risk of high temperature in the secondary steam condensate, and the risk of containing Boron concentrated solution remaining in the sampling pipeline is easy to cause pipeline crystallization, and sampling is not representative due to the concentrated solution remaining in the pipeline. [0003] The title of the invention is "A Water Quality Automatic Analysis and Sampling System" (Application No. CN201220175432.2, application d...

Claims

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Application Information

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IPC IPC(8): G01N1/10G01N1/34G01N1/42G01N1/44
Inventor 叶欣楠高瑞发张志银王梅
Owner CHINA NUCLEAR POWER ENG CO LTD
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