同时发现了换热器效率低的原因主要是由漏烟引起的，这一点也被其后生产实践所验证。

At the same time, it is concluded that the lower efficiency of heat exchanger is caused by the leakage of gas, which was proved in the following operation of reheating furnace.

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通过计算表明，换热器通道间距、 空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；

The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.

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压缩空气离开冷冻式空气干燥器时的压力凝露点与换热器的效率、分离器或凝结过滤器的效率、以及适度的排水操作有关。

Compressed air from frozen type of dryer air pressure points and the efficiency of the heat exchanger cleansing, separator filter efficiency, or condensation and moderate drainage operation of the.

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