The Pb content of the As-containing material treated by the process is less than 3 percent, so that the fluidized bed roasting operation can be normally operated.
经过本发明工艺处理后的含砷物料，含铅量小于3%，从而使上述沸腾焙烧作业能够正常运行。
The technical retrofitting measures for pyrite-based sulphuric acid plant are introduced with respects to fluidized-bed roasting, cleaning, drying and absorption and conversion and energy savings.
介绍了硫铁矿制酸装置沸腾焙烧、净化、干吸、转化和节能等方面的技改措施。
Because acidified roasting intensity of fluid bed roaster is lower, this paper puts forward a program to modify the water jacket, the cooler, the joint part etc.
由于沸腾焙烧炉酸化焙烧强度较低，提出了改造水套、冷却器、连接等部位。
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