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一、前言 目前,国外绝大多数压水堆,一回路载热剂水都带氢运行。因此回路系统设置相应的加氢系统,用高压或低压加氢方式,保证水中氢含量维持在水质指标范围内。 压水堆运行期间,由于一回路水有泄漏,氢浓度将随运行时间逐渐降低,为控制一回路水中氢浓度,需了解氢损失的规律。据现有文献报道,仅有希平港反应堆上试验和测定了主冷却剂水中的氢分布和泄漏速率。故进行堆外回路试验研究之。
I. Introduction At present, the vast majority of PWRs in foreign countries and the primary circuit of hot-water carriers carry hydrogen. Therefore, the loop system set the appropriate hydrogenation system, with high pressure or low pressure hydrogenation, to ensure that the water content of hydrogen within the water quality indicators. During the operation of pressurized water reactor, the hydrogen concentration will gradually decrease with the running time due to the leaking of the water in the primary circuit. To control the hydrogen concentration in the primary circuit water, it is necessary to understand the law of hydrogen loss. It has been reported in the literature that only the hydrogen distribution and the leak rate in the main coolant water have been tested and measured at the Hippean reactor. Therefore, the reactor outside the loop test research.