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建設大中型低溫冷庫的蒸發器選型問題，應盡量采用傳統排管式蒸發器。冷庫使用冷排管可實現溫度易控，同時又沒有電機能耗的雙重效果。食品冷庫
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.
壓縮機停機時，冷排管內的低溫氨液可以蓄冷，庫溫和蒸發溫度波動較小且保持溫度延續時間長。
Cold compressor shut down, exhaust pipe can cool storage of cryogenic liquid ammonia, library evaporation temperature fluctuations small and mild temperatures continue long time.
由于冷排管的蒸發面積比冷風機蒸發管組的蒸發面積大得多，所以增大傳熱面積是最有效的強化傳熱途徑之一。
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.
雖然冷排管與冷風機相比一次性投資大一些，但運行費用卻相對減小。同時使用冷排管可簡化制冷系統，便于冷庫設備系統的維護和管理。

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.

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