标准编号：ISO 23467:2020
中文名称：核电站管道的冰塞隔离
英文名称：Ice plug isolation of piping in nuclear power plant
发布日期：2020-11
标准范围
This document specifies requirements for the ice plug technique with liquid nitrogen or dry ice as
refrigerant (cryogenic medium) on metal pipes of nuclear power plants. The freezing liquid can be
water or water mixture (e.g. boric acid mixture).
This document specifies technical requirements of ice plug generation, formation judgment and
removal, measures before, during and after ice plugging and requirements for personnel and non-
destructive testing.
The application of the ice plug isolation technique is principally not allowed on cladded pipes or pipes
with internal coatings. The application for pressure test is not in the scope of this document and will be
qualified separately.
立即下载标准文件