高寒地区安全壳打压试验

Containment Test in Area of High Latitude and Low Temperature

针对高寒气候对安全壳打压试验可能造成的各种影响,从设计、设备、施工、调试等角度分析试验风险点并提出解决方案。主要解决的问题有:低温条件下试验载荷对安全壳附属部件的影响,以及低温对安全壳整体泄漏率测量的影响等。在红沿河核电厂1号机组冬季安全壳打压试验的应用表明,所提出的方案可有效克服高寒地区恶劣气候对试验造成的影响。

The effects of high latitude and low temperature on containment test are detailed analyzed from the view of design, equipment, construct and start-up, and the solution is put forward. The major problems resolved is as below： the effects of low temperature and high wind on defect inspection of the containment surface, the effects of test load on the affiliated equipment of containment in the condition of low temperature, and the effects of low temperature on the containment leak rate measurement. Application in Hongyanhe Unit 1 showed that the proposed scheme can effectively overcome the influence of adverse weather on the containment test.