热法磷酸生产技术发展和趋势

The Development and Trend in the Productive Technology of Hot-process Phosphoric Acid

回顾了热法磷酸生产技术的发展历程,介绍了热法磷酸生产技术的现状和趋势,结合现有热法磷酸热能利用技术介绍了带上、中、下部热能回收的专用设备和技术,对影响装置安全运行、环保、节能、脱砷等方面的技术提出了解决措施。

This paper reviews the development of the production technologies of hot-process phosphoric acid,and introduces the current situation and trend of the production technology of hot-process phosphoric acid,as well as its dedicated equipment and technology for the thermal energy recovery in upper,middle and lower parts in combination with the existing technology of utilizing the thermal energy of hot-process phosphoric acid. Solutions have been proposed for technologies that affect the safe operation of equipment,the environmental protection,the energy conservation and the arsenic removal.