کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6673035 465316 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Evaluation of dry grinding using HPGR in closed circuit with an air classifier
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Evaluation of dry grinding using HPGR in closed circuit with an air classifier
چکیده انگلیسی
Testing determined that the specific energy consumption of the Option B circuit was 41.9% greater than Option A when evaluated using power logging, or 26.2% greater when calculated using Bond's law. Option A required 20.8-29.5% less energy per tonne of ore processed than Option B, a conservative estimate due to the finer grind size achieved. Further Bond tests showed that the work indices of standard crushed −3.35 mm and −2.36 mm feed were similar (15.0 and 15.3 kW h/t, respectively), while the HPGR crushed −2.36 mm feed produced a lower work index of 14.0 kW h/t. These results agree with observations by other workers that HPGR renders a sample more amenable to comminution, most likely due to the introduction of micro-cracks.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Minerals Engineering - Volume 71, February 2015, Pages 133-138
نویسندگان
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