| 摘要 |
PROBLEM TO BE SOLVED: To prevent the increase of the temperature of an absorbent solution flowing into an absorber and to prevent the increase of the heat transfer area of the absorber. SOLUTION: A low temperature heat exchanger situated in a weak solution piping system 6 to intercouple the absorber 1 and a high pressure regenerator 3 is formed in division into two heat exchangers of a first low temperature heat exchanger 8a and a second low temperature heat exchanger 8b. A low pressure regenerator drain heat exchanger 11 of a drain system 10 is situated between the first low temperature heat exchanger 8a and the second low temperature heat exchanger 8b.
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