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在有色冶金企业中为了工业设备供水、水力输送选矿厂和矿山的矿浆、侵蚀性介质和选矿的尾矿,供给压缩空气等广泛应用管路输送。利用钢管的实践证明,其主要缺点是重量大,耐蚀和耐磨性差,安装和维修劳动量大,且费用高。安装工作需要大量的劳力,电力,物资消耗和多种运输手段。输送水和矿浆管线
In non-ferrous metallurgical enterprises in the industrial equipment for water supply, hydraulic transport concentrator and mine pulp, aggressive media and dressing tailings, compressed air supply and other widely used pipeline transportation. The practice of using steel pipe proved that its main drawbacks are heavy weight, poor corrosion resistance and wear resistance, large amount of labor for installation and maintenance, and high costs. Installation requires a lot of labor, electricity, materials consumption and a variety of means of transport. Transport water and slurry pipelines