| 摘要 |
PROBLEM TO BE SOLVED: To reduce time and effort for a worker when a sacrificial anode is replaced, regarding a water-cooled heat exchanger.SOLUTION: A water-cooled heat exchanger (10) is provided with a shell (11), a tube (12), and sacrificial anodes (81, 82, 83). The shell (11) has a tubular body part (21), a pair of tube plates (41, 42) covering both ends of the body part (21), and a pair of lid parts (71, 72) fixed on an opposite side of the body part (21) with respective tube plates (41, 42) sandwiched therebetween. The tube (12) is disposed in a refrigerant chamber (S1) in the body part (21), and has both ends opened respectively to water chambers (S21, S22, S3) between the tube plates (41, 42) and the lid parts (71, 72). Further the sacrificial anodes (81, 82, 83) are provided in the respective water chambers (S21, S22, S3) and formed along the entire inner surface of the lid parts (71, 72). |
