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废钢船质量的好坏,直接关系到拆船企业的经济效益。应从三个方面来衡量废钢船的好坏:一是获得金属量的多少及其质量的好坏;二是拆解过程的难易程度;三是污染物的多少以及处理污染物所花费的代价。所谓质量好,主要看三点:板材比例高,板材厚;锈蚀少;有色金属含量高,其经济价值高于黑色金属,铜的价格要高于拆船板价的10倍,含铜量增加1%,相当于拆船板增加10%,所以选择废船时要注意是否有铜制的工作螺旋浆和备用螺旋浆、备用尾轴(轴套简是铜制的)。焊接结构船在拆解时明显优于铆钉结构船。
The quality of scrap steel vessels is directly related to the economic benefits of recycling companies. Scrap ships should be measured in three ways: First, how much metal is available and how good it is; second, the ease with which it is dismantled; and third, how much and how much it costs pollutants . The so-called good quality, mainly to see three points: a high proportion of plate, plate thick; rust less; high content of non-ferrous metals, its economic value is higher than ferrous metals, copper price is higher than 10 times the price of demolition board, 1%, equivalent to a 10% increase in deconsolidation board. Therefore, when choosing a hulk, pay attention to whether there is a copper working propeller and spare propeller, and a spare tail shaft (the shaft sleeve is simply made of copper). Welded structural ship in the dismantling was significantly better than the rivet structure ship.