Comparision national technolgical index of sulfating roaster with international ones,make some suggestions of innovating old roaster in Huludao zinc smelter for increasing enterprise economic profit.

• 通过比较国内与国外酸化焙烧炉各项技术指标差异,提出葫芦岛锌厂酸化焙烧炉优化改进意见,达到提高企业经济效益目的。