| 摘要 |
PROBLEM TO BE SOLVED: To provide an absorption refrigerating machine of a high-temperature gas drive, in which a high-temperature gas is supplied as heat-source heating- medium and effective use of a retained quantity of heat and the temperature of the supplied high temperature gas are elevated, to improve the efficiency of the machine. SOLUTION: A high temperature gas E is supplied as a heat-source heating medium to a heating pipe 11a heating an absorbent La in a refrigerator 11 conducting an evaporative separation of refrigerant R from the absorbent La. In the constitution, preheating heat-exchangers 16c, 16d are provided. Diluted absorbent La to be sent to the regenerator 11 or an intermediate concentration absorbent Lb to be sent from the regenerator 11 (a high-temperature regenerator) to a low-temperature regenerator 12 is heat-exchanged with the high- temperature gas E sent out from the heating pipe 11a in the heat-exchangers 16c, 16d.
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