Refrigerating circulating system waste heat regenerating exchanger and heat supply device thereof
The utility model discloses a refrigerating circulating system waste heat regenerating exchanger and a heat supply device thereof, and comprises an box body, a double-layer spiral tube and a heat storage material. The double-layer spiral tube is arranged in the box body; the phase-change heat storag...
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Format: | Patent |
Sprache: | chi ; eng |
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