| 摘要 |
<p>An air heat exchanger comprising a front-end heat exchanger (101), a fan (8), a ventilating duct(11), a back-end heat exchanger (102), a fan power source (20) and a fan drive shaft(7), wherein the front-end heat exchanger (101) and the back-end heat exchanger(102) are connected in series by a heat exchanger connecting tube(105); the front-end heat exchanger (101) and the back-end heat exchanger (102) can each consist of one or more overlaid heat exchange units, respectively arranged upstream and downstream of a fan channel; the fan (8) is set up inside the ventilating duct (11) of the heat exchanger, adopting two-process cross-flow and counterflow heat exchange.The air heat exchanger features a simple structure, mature technology, high heat exchange efficiency, a compact structure and a fan with low power consumption and a low noise level, and of low cost.</p> |
