The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.

用经高温煅烧后闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸。

The possibility of utilizing low calciferous rock and blende tails in the cement industry has been studied.

利用低钙石和闪锌尾矿代替粘土煅烧高质量水泥熟料。

Research and design for self-aligning device with terminal small gear driving for calcinatory of certain factory correlative task.

摘要结合课题，对某厂煅烧传动级小齿轮自调位装置进行了计。

Moreover, based on the merit and the shortcoming of the fluidized calcinator, it provides a new spiral flow calcinator.

基于流态化煅烧优缺点，还提出了一种新型旋流煅烧想。

Thermal dynamical analysis on the calcine system of cement-precalcination kiln in Shangdong Lunan Cement Ltd.Co. was made in this paper, exergy and its analytical method were introduced.

通过对山东鲁南水泥有限公司水泥预分解窑煅烧系统热力学分析,介绍了火用概念和火用平衡分析法。