GB50274-2010······1

1 總則······11

2 制冷設備······12

2.1 基本規定······12

2.2 活塞式制冷壓縮機和壓縮機組······15

2.3 螺桿式制冷壓縮機組······18

2.4 離心式制冷機組······19

2.5 溴化鋰吸收式制冷機組······20

2.6 組合冷庫······22

3 空氣分離設備······27

3.1 基本規定······27

3.2 分餾塔組裝······30

3.3 吹掃······34

3.4 整體試壓······35

3.5 整體裸冷試驗······37

3.6 裝填絕熱材料······37

3.7 稀有氣體提取設備······38

3.8 透平式膨脹機······38

3.9 活塞式膨脹機······40

3.10 離心式低溫液體泵······41

3.11 柱塞式低溫液體泵······41

3.12 回熱式制冷機······42

3.13 其他設備······42

3.14 試運轉······44

4 工程驗收······45

附錄A 制冷和空氣分離設備的清潔度限值······46

附錄B 環境溫度對應的水蒸氣飽和壓力······47

本規范用詞說明······48

引用標準名錄······49

附：條文說明······50

1 總則······53

2 制冷設備······54

2.1 基本規定······54

2.2 活塞式制冷壓縮機和壓縮機組······55

2.3 螺桿式制冷壓縮機組······56

2.4 離心式制冷機組······56

2.5 溴化鋰吸收式制冷機組······57

3 空氣分離設備······58

3.1 基本規定······58

3.2 分餾塔組裝······59

3.3 吹掃······59

3.4 整體試壓······60

3.5 整體裸冷試驗······60

3.6 裝填絕熱材料······60

3.7 稀有氣體提取設備······61

3.8 透平式膨脹機······61

3.9 活塞式膨脹機······61

3.10 離心式低溫液體泵······62

3.12 回熱式制冷機······62

3.13 其他設備······62

3.14 試運轉······63

4 工程驗收······64