摘要
本文分析了在现有船舶Ｒ＿（１２）制冷装置中改用Ｒ＿（２２）制冷剂工作时可能出现的问题，提出采取适当的技术措施以保证制冷剂改换后装置正常工作的要求。
An analysis is made of the problems that may arise from the operation of ma-rine R<sub>12</sub> refrigerator with R<sub>22</sub> as cold-production medium substitute.Some technical mea-sures are suggested to ensure the proper running of the machine with the substitutionalmedium.
关键词
船舶制冷装置
冷剂替换
技术措施
marine refrigerator
cold-production medium substitute
technical mea-sures
