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使用化学和容积控制(RCV)系统水力模型,研究M310机组停堆氧化期间提高净化流量以缩短冷却剂净化时间的可行性,并提出初步的工程改造方案。研究结果表明,停堆氧化净化流量从27.2 m3/h提高到40 m3/h,1000 MW级核电机组单次大修至少可节约2 h工期。
The hydraulic model of the chemical and volume control (RCV) system was used to study the feasibility of increasing the purifying flow during the shutdown of the M310 unit to shorten the purifying time of the coolant and to propose a preliminary project. The results show that the shut-down oxidation purification flow rate is increased from 27.2 m3 / h to 40 m3 / h, and a one-time overhaul of a 1000 MW nuclear power plant can save at least 2 hours.