广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2013年
24期
108-109
,共2页
铁矿石%品质波动%铁含量%取样
鐵礦石%品質波動%鐵含量%取樣
철광석%품질파동%철함량%취양
iron ore%quality variation%iron content%sampling
铁矿石品质波动测定异常复杂,且不同批次的铁矿石品质波动也不一致。文章搜集了2011年以来进口铁矿石舟山港与装货港的铁含量检验结果,通过统计分析发现皮尔巴拉粉铁矿、扬迪粉铁矿、乌克兰球团矿、纽曼粉铁矿、澳大利亚粉铁矿五个矿种装卸两港偏差率较小,印尼块铁矿、印度粉铁矿等五个矿种装卸两港铁含量偏差率较大。对于装卸两港铁含量偏差率较大的,可按品质波动大进行取样,偏差率较小的,可按品质波动小取样。
鐵礦石品質波動測定異常複雜,且不同批次的鐵礦石品質波動也不一緻。文章搜集瞭2011年以來進口鐵礦石舟山港與裝貨港的鐵含量檢驗結果,通過統計分析髮現皮爾巴拉粉鐵礦、颺迪粉鐵礦、烏剋蘭毬糰礦、紐曼粉鐵礦、澳大利亞粉鐵礦五箇礦種裝卸兩港偏差率較小,印尼塊鐵礦、印度粉鐵礦等五箇礦種裝卸兩港鐵含量偏差率較大。對于裝卸兩港鐵含量偏差率較大的,可按品質波動大進行取樣,偏差率較小的,可按品質波動小取樣。
철광석품질파동측정이상복잡,차불동비차적철광석품질파동야불일치。문장수집료2011년이래진구철광석주산항여장화항적철함량검험결과,통과통계분석발현피이파랍분철광、양적분철광、오극란구단광、뉴만분철광、오대리아분철광오개광충장사량항편차솔교소,인니괴철광、인도분철광등오개광충장사량항철함량편차솔교대。대우장사량항철함량편차솔교대적,가안품질파동대진행취양,편차솔교소적,가안품질파동소취양。
The measurement of quality variation of iron ore was very complex, and results differed with iron ore batches.Through collecting the checking results on iron content of imported iron ore from Zhoushan port and loading port since 2011 , the statistical analysis showed that the deviation ratio between the two ports appeared low in Pilbara blend fines, Yandi fines, Ukraine pellets, Newman fines and Australian fines while high in Indonesia lumps, Indian fines, Mexico fines, Iran lumps and Mexico lumps.As for the high deviation ratio, sampling can be relied on large quality variation, and small quality variation can be referred to low ratio.