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在碳分母液蒸发过程中,添加适量的阻垢剂可有效稳定溶液中的结垢离子,防止盐类沉积析出在换热器表面形成结垢,有效屏蔽硫酸根和二氧化硅,对碳酸盐、硫酸盐及硅酸盐水垢有良好的防垢性能。通过工业试验研究证明,阻垢剂的添加可提高蒸发器出料浓度,提高蒸发机组蒸水量,延长蒸发器水洗、酸洗周期,保证蒸发器组高效、长周期、平稳运行。
In the carbon mother liquor evaporation process, adding an appropriate amount of scale inhibitor can effectively stabilize the scaling ions in the solution to prevent the precipitation of salts deposited on the surface of the heat exchanger fouling, effective shielding of sulfate and silica, carbonate Salt, sulfate and silicate scale has good anti-scaling performance. It is proved through industrial experiments that the addition of scale inhibitor can increase the concentration of the effluent from the evaporator, increase the amount of steam distilled by the evaporator, prolong the water washing and pickling cycle of the evaporator, and ensure the efficient, long cycle and stable operation of the evaporator.