采用正交试验和单因素试验研究粘结剂、粘结剂用量、成型压力、水分加入量等因素对钒钛磁铁矿球团生球性能的影响,得到优化的各因素工艺参数,确定最佳的造球方案.结果表明:有机粘结剂J对生球强度影响最大,有机粘结剂H次之,无机粘结剂P最小;在铁精矿球团中添加有机粘结剂J时,在粘结剂用量2.5％～3.0％、成型压力15～17.5 MPa、造球水分4％～5％的条件下,可以得到质量较好的生球.
The effects of binder,binder dosage,pelletizing pressure and water addition on green ball properties of vanadium and titanium magnetite pellets were studied by orthogonal experiments and single factor experiments,the optimized process parameters were got and the best pelletizing process was determined.The results showed that organic binder J had the greatest impact on the strength of green pellets,organic binder H had the second,and inorganic binder P had the least.Under the condition of adding organic binder J in iron concentrate pellets,the green pellets of the better quality could be producted with binder dosage 2.5 ％-3.0 ％,pelletizing pressure 15-17.5 MPa and water addition 4 ％-5 ％.
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