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辽宁省辽阳辽化朝阳水泥厂利用辽阳铁合金厂冶炼锰钢生铁时留下的锰渣生产空心砌块,解决了辽阳和鞍山地区有时煤渣严重缺少,不便制作空心砌块的难题。 该锰渣含锰量高,内含90％以上的玻璃体,同时含硅酸二钙和少量硅酸三钙等,系松散不规则粒状,其活性小于高炉矿渣,但易磨性差。为此使用时先将该渣用轮碾机磨6～10min,以提高渣的
Liaoning Liaoyang Liaohua Chaoyang Cement Plant used Liaoyang Ferroalloy Plant to produce manganese slag when manganese steel pig iron was smelted, which solved the problem that Liaoyang and Anshan regions sometimes have severe clinker cinders and inconvenience in making hollow blocks. The manganese residue has a high content of manganese, contains more than 90% of the glass body, and also contains dicalcium silicate and a small amount of tricalcium silicate, etc. The system is loose and irregular granular, and its activity is less than that of blast furnace slag, but it is poor in grindability. When used for this purpose, the slag is first ground with a wheel mill for 6 to 10 minutes to increase the slag