【摘要】 全面介绍了张家口市硫酸厂“年产１．９万ｔ锌焙砂、１．６万ｔ尾气制酸三废治理及资源综合利用”技改工程的工艺流程及运行情况。通过对有关技术经济指标的分析认为，该技改工程有明显的经济、环保和社会效益，为小型硫铁矿制酸装置的改造提供了一条途径。更多还原

【Abstract】 This paper is an overall introduction about an technological transforming projects technological process,and condition of running in Zhang Jiakou Sulphuric Acid Factory,which name is“Annual output of 19 000 tons zinc roasted sand & 16 000 tons acid produced with tail-gas three wastes harnessed,energy saved and resourse comprehensively utilized project”.Through the analysition on the relevant target of technology and economic,it is considering that the project can achieve better economic,environmental protection and social returns.It gives another way of the transformation of small sulfuric acid equipments which are using sulfurous iron ore.更多还原