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A test device for the kinetic behavior of chemical volatilization

A test device and chemical technology, applied in the field of nuclear power plant safety, can solve problems such as the inability to simulate the on-site environment of the pressure test in the containment, achieve the effect of true and reliable results, accurate qualitative and quantitative analysis, and avoid the loss of fire risk

Active Publication Date: 2020-07-31
LINGDONG NUCLEAR POWER +4
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing gas chromatographic analysis method for detecting organic components in volatile gases needs to sample and heat the objects to study the volatile gas components, which cannot simulate the on-site environment of the pressure test in the containment

Method used

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  • A test device for the kinetic behavior of chemical volatilization
  • A test device for the kinetic behavior of chemical volatilization

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Embodiment Construction

[0022] The following descriptions of various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented.

[0023] Such as figure 1 As shown, the test device for studying chemical volatilization dynamics behavior of the present invention includes a simulated pressure system 1, a chemical volatilization system 2 and an analysis system 3, wherein the simulated pressure system 1 is used to simulate the pressure conditions of the containment pressure test of a nuclear power plant. Chemical volatilization system 2 provides gas at a predetermined pressure; chemical volatilization system 2 is used to simulate chemical volatilization conditions in the containment under different gas pressures and flow rates; analysis system 3 is used to measure The type and related parameters of the gas volatilized by the chemical.

[0024] Wherein, the simulated pressing system 1 includes an air pressure supply unit 11, which is...

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Abstract

The invention provides a test device for a chemical evaporation kinetics behavior, which is used for simulating a pressurizing test of a containment of a nuclear power station, and comprises a simulated pressurizing system, a chemical evaporation system and an analysis system. Wherein the simulated pressurizing system is used to simulating the pressure condition of a pressurizing test of the containment of the nuclear power station, and providing gas with a predetermined pressure to the chemical evaporation system; the chemical evaporation system is used to simulating the evaporation conditions of chemicals in the containment under different gas pressures and flow rates; and the analysis system is used to determine the type of gas volatilized by the chemicals under different gas pressuresand flow rates and related parameters. The test device reproduces the on-site environment by using the simulated pressurizing system and the chemical evaporation system, and simulates the chemical evaporation environment under the pressurizing condition in the containment, the obtained result is true and reliable, and the device can accurately and quantitatively analyze various complex compounds.

Description

technical field [0001] The invention relates to the technical field of nuclear power plant safety, in particular to a test device for simulating chemical volatilization kinetic behavior in a containment pressure test of a nuclear power plant. Background technique [0002] The containment of nuclear power plants is the last barrier of nuclear safety. The design function is to prevent radioactive materials from escaping the containment under any circumstances, so as to protect the environment and the public. The containment of CGN’s main model is composed of two parts: 900mm prestressed concrete wall and 6mm steel lining. The prestressed concrete wall provides sufficient strength and resistance, and the steel lining ensures the excellent sealing performance of the containment. [0003] In order to ensure the correct functional characteristics of the containment, when the unit is shut down, the nuclear power plant confirms the design function through planned periodic tests. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C17/00
CPCG21C17/00Y02E30/30
Inventor 翁文庆王定义李剑波孙江枫齐宇博杨鸿辉李尚科程帅
Owner LINGDONG NUCLEAR POWER
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