To provide a small absorbent flow rate adjustment device of an absorption type chiller/heater which can be stored in a float box of the absorption type chiller/heater.
The absorbent flow rate adjustment device of the absorption type chiller/heater is equipped with a high-temperature regenerator 3 for storing, heating and concentrating lithium bromide water solution 4 which is an absorbent fed from a pipe 1a, and keeps height of a liquid surface 5 constant by adjusting flow rate of the lithium bromide water solution 4 in the high-temperature regenerator 3. The pipe 1a is composed of a structure of penetrating the liquid surface 5 in the high-temperature regenerator 3 from the lower part to the upper part. The high-temperature regenerator 3 is equipped with a doughnut-shaped float 6 provided to cover an outer periphery of the pipe 1a for floating/diving according to displacement of the liquid surface 5 of the lithium bromide water solution 4, a magnet 7 provided for the float 6, an iron ball 8 provided in the pipe 1a and magnetically connected to and interlocked with the magnet 7, and a truncated conical cylinder 9 provided in the pipe 1a and engaged with the iron ball 8 to block a flow of the lithium bromide water solution 4.
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