Study on the Iron Production Process through the Analysis of By‐Products Found at Jiǔdiàn Iron Production Site, China
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Jiǔdiàn iron production site in China is a relic smelting site, which in the past produced pig iron. In this study,scientific analysis of the smelting furnace and collected slag was conducted to reveal some aspects of the ancient Chinesesmelting technique. A 3D model of the smelting furnace showed a narrow lower part and an upper section which increasedin diameter upwards. Although the smelting furnace relic does not include the upper part and its complete shape cannotbe predicted, the remaining part suggests that the furnace had a larger diameter in the central part compared to the upperand lower parts. Most of the collected slag was completely vitrified. Long prismatic fayalite was observed in the matrixof some samples. The iron particles contained phosphorus, which could not be discharged during smelting work. In addition,as the CaO/SiO2 ratio was 0.42 or lower in the results of the content analysis, no CaO slag former had been added. However,the ratio of CaO/SiO2 to Al2O3/SiO2 did not have a constant trend. This needs to be investigated in a further study.
Abstract
Jiǔdiàn iron production site in China is a relic smelting site, which in the past produced pig iron. In this study,scientific analysis of the smelting furnace and collected slag was conducted to reveal some aspects of the ancient Chinesesmelting technique. A 3D model of the smelting furnace showed a narrow lower part and an upper section which increasedin diameter upwards. Although the smelting furnace relic does not include the upper part and its complete shape cannotbe predicted, the remaining part suggests that the furnace had a larger diameter in the central part compared to the upperand lower parts. Most of the collected slag was completely vitrified. Long prismatic fayalite was observed in the matrixof some samples. The iron particles contained phosphorus, which could not be discharged during smelting work. In addition,as the CaO/SiO2 ratio was 0.42 or lower in the results of the content analysis, no CaO slag former had been added. However,the ratio of CaO/SiO2 to Al2O3/SiO2 did not have a constant trend. This needs to be investigated in a further study.
참고문헌 (3)
- Lee, S.D., "Material characteristics of smelting slags produced by reproduction experiment of ancient iron smelting: According to Ca content", pp.2017
- Park, S.T., "Metallurgical study of iron slag excavated form Mulgum-Up and Jisa-Dong area", pp.2004
- Yoon, D.S., "On the slag produced in early iron metallurgy", The Journal of the National Academy of Science, 25, pp.380~390 (1986)