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我公司冷却塔循环水池中的原水硬度较大,电导率达到700μs/cm,且冷却塔与熟料生产线距离较近,熟料粉尘也会进凝汽器铜管里。虽然严格控制循环水的碱根和氯根的浓缩倍率指标,但机组运行一年多后,冷却塔填料缝隙被水垢堵塞严重,凝汽器铜管也结了一层约0.5mm厚的硬水垢。原采用高压清洗机清洗,但因垢硬度较大,附着在铜管壁的硬垢还很多,因铜管壁不光滑,运行后结垢速度也很快,不到一个月凝汽器端差超标,最高达到了18℃,影响发电负荷300～500kW,同时频繁的清洗也造成了几根铜管磨损泄漏。用高压水流清洗耗时、耗人力,而且清洗时要降低50%的负荷或者停机。这种方法适用于水垢硬度不
The circulating water from the cooling tower of our company has a large hardness of raw water, the conductivity reaches 700μs / cm, and the cooling tower is close to the clinker production line. The clinker dust can also enter the condenser copper pipe. Although strict control of circulating water alkali roots and chloride concentration ratio indicators, but the unit more than a year of operation, the cooling tower packing cracks were serious blockage, condenser copper tube also knot a layer of about 0.5mm thick hard scale . The original high-pressure washing machine cleaning, but the scale hardness larger, attached to the brass wall hardcore are also many, due to the brass wall is not smooth, after the scaling speed is very fast, less than a month condensor terminal difference Exceeds the standard, up to 18 ℃, affecting power generation load 300 ~ 500kW, while frequent cleaning also caused several copper tube wear and tear. High-pressure water flow cleaning time-consuming, labor-intensive, and cleaning to reduce the load of 50% or downtime. This method is suitable for scale hardness not