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水力管道输送矿物是近三十年来日益发展的新技术。用长距离管道输送石油或天然气,早已为世界各国采用;而用于输送固体矿物也越来越广泛,管路总长达数十万公里,运距已从几公里发展到数百公里,单条管道年运量可达一千多万吨。早期仅用于输送煤,现已发展到输送石灰石、磷矿、钾盐、熔炼硫、硫精矿、硬沥青、铜与铁精矿等。 水力管道输送矿物原料发展如此迅速而广泛,主要原因是工艺简单、技术可行、经济效益显著。据国外文献报道,当年运输量为200～1200万吨时,各种运输方式的成本比较见表1:
Hydraulic pipelines transporting minerals are new technologies that have been evolving over the last three decades. Long-distance pipeline transportation of oil or natural gas has long been adopted by countries all over the world. For the transportation of solid minerals is also more and more widespread, the total length of the pipeline up to hundreds of thousands of kilometers, the distance has been developed from a few kilometers to hundreds of kilometers, a single pipe Annual traffic up to more than 10 million tons. It is only used for transportation of coal in the early stage, and has been developed to transport limestone, phosphate rock, potash salt, smelting sulfur, sulfur concentrate, hard bitumen, copper and iron concentrate. The main reason for the rapid and broad development of hydropower pipeline transportation of mineral raw materials is that the process is simple, the technology is feasible and the economic benefits are remarkable. According to foreign literature reports, when the volume of traffic 200 to 12 million tons, the cost of various modes of transport are shown in Table 1: