1.Top, the calcinator in the sodium tripolyphosphate plant; above, the atomic absorption spectrophotometer, being used in the laboratory.

1.（上）焙烧。（下）检验室中的原子吸收光谱。

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

2.于流态化煅烧炉的优缺点，还提种新型旋流煅烧炉的设想。