针对高硅锌精矿焙烧过程中焙砂可溶硅高、沸腾炉易结块、浸出固液分离困难等问题,以现场生产焙烧工艺参数为基础,研究了低温和高温焙烧对焙砂中可溶硅含量的影响,并基于MatCal软件对沸腾炉焙烧工艺进行热平衡计算。结果表明:在焙烧条件...针对高硅锌精矿焙烧过程中焙砂可溶硅高、沸腾炉易结块、浸出固液分离困难等问题,以现场生产焙烧工艺参数为基础,研究了低温和高温焙烧对焙砂中可溶硅含量的影响,并基于MatCal软件对沸腾炉焙烧工艺进行热平衡计算。结果表明:在焙烧条件基本相同的情况下,随着硫化锌精矿焙烧温度的增加,焙砂中的可溶硅也增加。当焙砂中可溶硅高于3.18%会出现浓密机上清液跑混、低浸浓密底流矿浆过滤困难、净液中除杂钴偏高等问题。经MatCal模拟计算后,理论消耗空气50361.328 m 3/h,低温焙烧的平均风量47102.8 m 3/h,高温焙烧平均风量48005.7 m 3/h,实际的焙烧中平均风量偏低,需要增加沸腾炉的风料比。展开更多
On October 30,2023,A-share domestic beauty brands have all submitted their latest report card.Seen from this list of report cards,it is clear that the competition pattern of domestic beauty companies has changed:in th...On October 30,2023,A-share domestic beauty brands have all submitted their latest report card.Seen from this list of report cards,it is clear that the competition pattern of domestic beauty companies has changed:in the first 3 quarters of 2023,Proya successfully topped the A-share domestic beauty brands list with a revenue of 5.249 billion yuan,surpassing Shanghai Jahwa.At the start of the“Double 11”battle,Proya also led the way as the No.1 in Tmall beauty category in the pre-sale stage.It can be predicted that Proya will no doubt become the first in A-share domestic beauty brands in terms of revenue in 2023.展开更多
文摘针对高硅锌精矿焙烧过程中焙砂可溶硅高、沸腾炉易结块、浸出固液分离困难等问题,以现场生产焙烧工艺参数为基础,研究了低温和高温焙烧对焙砂中可溶硅含量的影响,并基于MatCal软件对沸腾炉焙烧工艺进行热平衡计算。结果表明:在焙烧条件基本相同的情况下,随着硫化锌精矿焙烧温度的增加,焙砂中的可溶硅也增加。当焙砂中可溶硅高于3.18%会出现浓密机上清液跑混、低浸浓密底流矿浆过滤困难、净液中除杂钴偏高等问题。经MatCal模拟计算后,理论消耗空气50361.328 m 3/h,低温焙烧的平均风量47102.8 m 3/h,高温焙烧平均风量48005.7 m 3/h,实际的焙烧中平均风量偏低,需要增加沸腾炉的风料比。
文摘On October 30,2023,A-share domestic beauty brands have all submitted their latest report card.Seen from this list of report cards,it is clear that the competition pattern of domestic beauty companies has changed:in the first 3 quarters of 2023,Proya successfully topped the A-share domestic beauty brands list with a revenue of 5.249 billion yuan,surpassing Shanghai Jahwa.At the start of the“Double 11”battle,Proya also led the way as the No.1 in Tmall beauty category in the pre-sale stage.It can be predicted that Proya will no doubt become the first in A-share domestic beauty brands in terms of revenue in 2023.