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1.蠕化剂郑州机械研究所发展应用了Re-Ca系蠕化剂,取得了扩大蠕化范围的效果,具有净化脱S等作用,为进一步简化处理工艺,山东省机械院研制了含少量Zn及Mg的Si-Re蠕化剂,利用Zn及Mg的沸腾作用,以减少渣的生成量,取消了搅拌操作,威墅堰机车车辆工艺所采用Re-Mg合金另加Ti为蠕化剂,也制得了蠕墨铸铁,无锡柴油机厂以Si-Re为蠕化剂,加入少量Al.上述各种蠕化剂均具有我国的特色.
1. Decomposition agent Zhengzhou Machinery Research Institute of the development and application of the Re-Ca system of vermiculite, obtained the effect of expanding the scope of the vermiculite, purifying off S role, in order to further simplify the processing technology, Shandong Institute of Machinery developed with a small amount Zn and Mg Si-Re vermiculite, the use of Zn and Mg boiling effect, in order to reduce the amount of slag generated, canceled the stirring operation, Wei Shuyan rolling stock technology used Re-Mg alloy plus Ti as a vermiculant , Also made compacted graphite cast iron, Wuxi Diesel Engine Factory to Si-Re as a vermiculant, adding a small amount of Al. The above various vermiculite has our own characteristics.