Production and heat storage system for low-temperature chilled water
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United States of America Patent
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Sep 28, 1993
Grant Date -
N/A
app pub date -
Nov 12, 1991
filing date -
Nov 15, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention includes a heat storage tank (1) with a built-in suction chamber (2), a first heat source unit (R-1) and a first pump (P-1) for pumping up water from the high-temperature side (3) of said heat storage tank (1) and supplying the chilled water into said suction chamber (2), a low-temperature heat exchanger (5) for exchanging heat between water and an antifreeze solution, a second pump (P-2) for pumping up water from said suction chamber (2) and supplying the water chilled by the antifreeze solution in said low-temperature heat exchanger (5) to the low-temperature side (4) of said heat storage tank (1) and a second heat source unit (R-2) and a third pump (P-3) for cooling the antifreeze solution in an antifreeze solution tank (6) and feeding it to said low-temperature heat exchanger (5), and is designed to variably control the flow rates of said first and second pumps (P-1 and P-2) in dependence upon their suction temperatures.
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