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本文叙述一种崭新结构的蒸汽喷射制冷机。该机在冷冻法浓缩造纸黑液装置中得到应用,最低温度可达-5℃。文中给出五年来长期调试运行的结果,以前设计规范规定喷射制冷温度“不得低于+2℃”。我们的实践证明:蒸汽喷射制冷最低制冷温度的规定是可以讨论的。
This article describes a new structure of the steam jet refrigerator. This machine has been applied in the refrigeration concentrated black liquor plant, the lowest temperature can reach -5 ℃. The paper gives the results of long-term commissioning in five years. Previously, the design code stipulated that the injection refrigeration temperature should not be lower than + 2 ℃. Our practice shows that the minimum cooling temperature for steam jet cooling can be discussed.