Double-plate and double-cold-source intelligent air refresher unit
A fresh air unit and dual cold source technology, applied in space heating and ventilation, space heating and ventilation details, household heating, etc., can solve the problems of low utilization rate, low heat recovery efficiency, high energy consumption, etc.
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[0021] Such as figure 1 The illustrated schematic diagram of the first embodiment of a dual-plate dual-cold source intelligent fresh air unit of the present invention includes a plate heat exchange unit, a heat pump circulation unit, and a spray unit. The plate heat exchange unit includes a first plate heat exchanger 1 and a second plate heat exchanger 2 arranged side by side from left to right. The first plate heat exchanger 1 and the second plate heat exchanger 2 are each provided with transverse The air supply channel and the vertical return air channel are arranged so that the air supply channel and the return air channel are crossed. The heat pump cycle unit includes a compressor 3, a heat dissipation condenser 4, a reheat condenser 5, an expansion valve 6 and an evaporator 7 which are connected end to end through pipelines. The spraying unit includes a spraying device 8 and a sump 9 respectively arranged on the upper and lower sides of the second plate heat exchanger 2, a...
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