Hydrogen eliminating test system with safety protection function

Abstract

The invention discloses a hydrogen eliminating test system with a safety protection function. The hydrogen eliminating test system comprises a tank body, a hydrogen supply device, an oxygen supply device, a nitrogen supply device, a cooling device, a detection device, a temperature control device, an air compressor, a steam generator, a data collection control module, an anti-explosion sheet and a safety valve. The hydrogen supply device supplies hydrogen to hydrogen eliminating reactions of a passive autocatalytic recombiner (PAR) in the tank body; the oxygen supply device supplies oxygen to the hydrogen eliminating reactions; the air compressor, the steam generator and the temperature control module stimulate the high-temperature, high-humidity and the high-pressure environment of a nuclear power station; the detection device can monitor relative parameters of a test process according to the test requirements; and the data collection control module collects parameters of all detection points in a collection system and adjusts the aperture of an adjusting valve in a parameter control system. A spraying device can stimulate the spraying environment of the scene of the nuclear power station. For ensuring safety operation of the system, the anti-explosion sheet and the safety valve are arranged on the outer circumference of an upper end socket of the tank body, pipelines of the nitrogen supply device are normally opened, and pipelines of the hydrogen supply device and the oxygen supply device are normally closed.

Description

technical field [0001] The invention relates to a hydrogen elimination test system, in particular to a hydrogen elimination test system with a safety protection function, and belongs to the technical field of nuclear power test systems. Background technique [0002] When an accident occurs in the containment of a nuclear power plant, a large amount of hydrogen is released, the hydrogen accumulates rapidly in the containment, and the hydrogen concentration gradually increases; at the same time, the temperature and pressure in the containment increase rapidly, and the water vapor content increases. In an accident state, high-concentration hydrogen is extremely prone to explosion risks. In order to eliminate the hydrogen in the containment and realize the control of the hydrogen concentration, a hydrogen elimination device, a passive hydrogen recombiner (PAR for short), is arranged in the containment. The hydrogen elimination performance verification of PAR requires a special ...

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Problems solved by technology

The processing process of this device is relatively complicated. If the container wall is thicker, it needs to overcome a large thermal resistance, resulting in slower temperature rise and higher energy consumption.

[0006] The existing large-scale hydrogen elimination test system cannot accurately measure parameters such as PAR inlet and outlet hydrogen concentration, PAR temperature, PAR inlet wind speed, ambient hydrogen concentration, ambient oxygen concentration, ambient temperature, and ambient pressure, and these parameters can effectively reflect the PAR in the field. Performance in use

[0007] At the same time, because the hydrogen elimination test system is in a state of high temperature and high pressure during the working process, and there is a high concentration of hydrogen in the system, it is very easy to cause the risk of explosion. The traditional hydrogen elimination system has great safety hazards.

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