直接蒸发式空气冷却器是利用原有的湿表面工作的。
The direct type of evaporative air cooler uses primary wet surfaces.
它开辟了一条热处理过程热能充分利用的新途径，比通常尾气直接排入大气的空气冷却器提高热效率30%以上。
It is a novel approach to full utilization of heat energy during heat treatment, with 30% increased heat efficiency compared to normal air condensers whose exhaust is directly put to atmosphere.
介绍了直接蒸发冷却器的研究情况，主要包括填料的传热传质性能、净化性能及直接蒸发冷却器的应用。
Presents the study status of direct evaporative coolers, including the performance of heat and mass transfer and purification of padding, and the application of direct evaporative coolers.
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