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华能汕头电厂一期2×300 MW机组由于建电厂时未设置石子煤排放系统,致使石子煤靠人工排放,劳动强度大,灰尘飞扬,必须进行石子煤排放系统的改造。改造时,提出了5种改造方案,经过技术经济比较,选择了石子煤水力喷射器输送系统方案。该系统由高压水泵、石子煤斗、水力喷射器、捞石子煤机、浓缩机等组成。该系统运行2年多的情况良好。
Huaneng Shantou Power Plant Phase II 2 300 MW generating units do not set up stone coal discharge system, resulting in manual discharge of gravel coal, labor-intensive, dusty, you must transform the stone coal discharge system. At the time of transformation, five kinds of reconstruction plans were put forward. After technical and economical comparison, the scheme of conveying system of the water coal slurry injector was selected. The system consists of high-pressure water pump, pebbles bucket, hydraulic jet, fishing stone sub-machine, thickener and other components. The system is in good condition for more than two years.