| 摘要 |
PROBLEM TO BE SOLVED: To improve heat exchange performance by improving stability. SOLUTION: In a double pipe type heat exchanger 1 having a double pipe 5 consisting of an inner pipe 6 with a first fluid flow passage 8 in it and an outer pipe 7 provided outside of the inner pipe 6 with a second fluid flow passage 9 formed between the inner pipe 6 and the outer pipe 7, a plurality of sets of heat exchange units 2, 3, 4 having a spiral double pipe 5 are stacked and supporting members 19 are provided at required positions between the heat exchange units 2, 3, 4 of each set and a necessary clearance is secured between the heat exchange units of each set. COPYRIGHT: (C)2005,JPO&NCIPI
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