To accelerate boiling phenomenon even if the depth of liquid in a low pressure regenerator is increased.
In a low pressure regenerator 7 for absorption refrigeration being applied to an absorption refrigerating machine comprising a high pressure regenerator 1 having a high pressure side tube group 2 of a plurality of heating tubes, and a low pressure regenerator 7 having a low pressure side tube group 8 of a plurality of heating tubes and heating fluid 9 in the low pressure regenerator 7 by introducing steam 5 generated from the high pressure regenerator 1 to the low pressure side tube group 8, a heat transfer acceleration tube 12 being supplied with fluid of higher temperature than the steam 5 generated from the high pressure regenerator 1 is provided.
WAJIMA KAZUYOSHI
FUKUSHIMA AKIRA
AMANO MATSUYUKI
INOUE KENZO
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