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首页> 外文会议>TMS Annual Meeting Exhibition >STUDY ON IMPROVING THE QUALITY OF PELLET MADE FROM VALE HEMATITE PELLET FEED
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STUDY ON IMPROVING THE QUALITY OF PELLET MADE FROM VALE HEMATITE PELLET FEED

机译：改善谷谷冶育颗粒饲料颗粒质量的研究

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摘要

Joint projects of studies of hematite acid pellet have been implemented to develop technological solutions for using Vale hematite pellet feed in Chinese palletizing plant. Beneficial improvements on the pellets quality were achieved by adjusting the blends composition and using new technology of pre-treating the blended pellet feed with HPGR (High Pressure Grinding Roller) on rotary kiln pellet technology. The drop strength of green balls increased from 3.4 to 6.0 times from 0.5m height, at the same time, the bentonite dosage decreased from 1.5wt% to 0.7wt%. The compressive strength of roasted pellets reaches 2500 N/pellet. The reduction swelling index of roasted pellets is below 15%.
机译：已经实施了赤铁矿酸颗粒研究的联合项目，以开发中国泊位植物中Vale赤铁矿颗粒饲料的技术解决方案。通过在旋转窑颗粒技术上调节混合物组合物并使用预先用HPGR（高压磨削辊）预先用HPGR（高压磨削辊）来实现对颗粒质量的有益改善。同时，绿球的下降强度从0.5米高的3.4增加到6.0倍，膨润土剂量从1.5wt％降至0.7wt％。烘焙颗粒的抗压强度达到2500升/颗粒。烘焙颗粒的减少溶胀指数低于15％。

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