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建设大中型低温冷库的蒸发器选型问题

建设大中型低温冷库的蒸发器选型问题,应尽量采用传统排管式蒸发器。冷库使用冷排管可实现温度易控,同时又没有电机能耗的双重效果。食品冷库

Evaporator selection problem of the construction of large and medium low temperature cold storage, should as far as possible with traditional tube evaporator. Cold storage use cold tube which can realize the temperature easy to control, and no effects on motor energy consumption at the same time.

压缩机停机时,冷排管内的低温氨液可以蓄冷,库温和蒸发温度波动较小且保持温度延续时间长。

Cold compressor shut down, exhaust pipe can cool storage of cryogenic liquid ammonia, library evaporation temperature fluctuations small and mild temperatures continue long time.

由于冷排管的蒸发面积比冷风机蒸发管组的蒸发面积大得多,所以增大传热面积是最有效的强化传热途径之一。

Because of cold discharge pipe evaporation area than evaporation air cooler tubes of evaporation area is much bigger, so increasing heat transfer area is one of the most effective way to strengthen heat transfer.

虽然冷排管与冷风机相比一次性投资大一些,但运行费用却相对减小。同时使用冷排管可简化制冷系统,便于冷库设备系统的维护和管理。

Although cold exhaust pipe and cooling fan than a one-time investment, but the operation cost is relatively reduced. At the same time using cold tube refrigeration system can be simplified, easy cold storage equipment system maintenance and management.