New thermal recovery fan
A new fan, heat recovery technology, applied in space heating and ventilation, household heating, heating methods, etc., can solve the problems of inability to exchange old and new air and air purification, affecting physical health, increasing indoor temperature, etc., to improve Indoor air quality, the effect of preventing indoor air pollution, and improving air quality
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[0019] see figure 1 , figure 2 , this heat recovery fresh air fan has two mutually isolated passages in the chassis 1: one is the fresh air passage and the other is the return air passage; the fresh air inlet 2, the fresh air outlet 3 and the return air inlet 4 are respectively opened on the chassis 1 , return air outlet 5, fresh air inlet 2, electrostatic precipitator 6, plate heat exchanger 7, fresh air fan 8, fresh air outlet 3 are installed in the fresh air passage, return air inlet 4, plate heat exchanger 7 are installed in turn in the return air passage , return air fan 9, return air outlet 5, the plate heat exchanger 7 used in the fresh air channel and the return air channel is the same plate heat exchanger, but the two channels share plates and are isolated, and the fresh air fan 8 and the return air fan 9 are formed by the same plate heat exchanger. The motor 10 is connected to the transmission, and the motor adopts a variable frequency motor, and a CO is installed ...
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