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在有色金属硫化矿床的地下开采中,井下酸性水和空气中二氧化硫气体所形成的酸雾,严重腐蚀井下管道,在含硫10％以上的矿段,供水、压风管路,一般在两年内即漏风,漏水,排水管因内外都受腐蚀,一般使用寿命只有一年。过去曾用沥清、防锈漆涂管,效果不大,后用塑料管取代钢管,取得了满意的效果。东波有色金属矿自1980年在井下酸性水较大矿段,开始试用塑料管取代钢管以来,塑料管的使用量逐年增加(见
In underground mining of non-ferrous sulphide ore deposits, acid mist formed by acid gas in the well and sulfur dioxide gas in the air severely corrode underground pipelines. In the mining section with 10% or more of sulfur, water supply and pressure air pipelines are generally within two years That air leaks, leaking, drain corrosion due to internal and external, the general service life of only one year. In the past with bitumen, rust-proof paint tube, the effect is not, after the plastic pipe to replace steel, and achieved satisfactory results. Dongbo Non-ferrous Metal Mine Since 1980, the larger the acidic water in the mine, the trial began with plastic pipe instead of steel pipe since the use of plastic pipe increased year by year (see