| 摘要 |
PURPOSE: A brine circulation multi cooling type PCM(Phase-Change Material) thermal storage system is provided to maintain a desired temperature inside a loading box for a long time by efficiently using stored low temperature thermal energy. CONSTITUTION: A brine circulation multi cooling type PCM thermal storage system comprises a brine circulation heat exchanging coil(8), an air circulation heat exchanging pipe(5), a brine circulating pipe(4), a heating plate(9), a circulation pump(7), and a blower(11). The brine circulation pipe is installed in the air circulation heat exchanging pipe for improving secondary heat exchange efficiency. The brine circulation pipe is made of copper and aluminum with high thermal conductivity for circulating brine. The blower inhales air inside a loading box by the lower side of a thermal storage tub, primarily exchanges heat with the brine circulation heat exchanging coil, secondarily exchanges heat with the air circulation heat exchanging pipe, and discharges the multiply cooled air into the loading box. [Reference numerals] (AA) Air intake;
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