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化工生产中,冷却水用量大,一般均采用循环,将冷却水经过凉水塔降温,再回冷凝器使用。以此来维持整个冷却系统的平衡。当凉水塔效率过低,冷却水中的显热来不及带走时,平衡被破坏,使冷却水温上升,介质冷凝速度减慢。对化工工艺的蒸发或浓缩来讲,介质冷凝速度的减慢意味着工艺时间的延长,搅拌系统用电量和蒸汽耗用量的增加;对制冷系统来讲,随着水温的升高氨从
Chemical production, the amount of cooling water, are generally used in the cycle, the cooling water through the cooling tower cooling, and then back to the condenser. In order to maintain the balance of the cooling system. When the cooling tower efficiency is too low, the cooling water is too late to take the sensible heat away, the balance is destroyed, so that the cooling water temperature, the media slowed the rate of condensation. In the case of evaporation or concentration of chemical processes, the slowing of the rate of condensation of the medium means an increase in process time, an increase in the electricity consumption of the stirring system and an increase in the steam consumption; for the refrigeration system,