Sawdust dryer is designed for small pieces of wood,sawdust,wood veneer drying.It has the characteristics of high capacity,obvious energy-saving effect,low maintenance etc.The main woking principle:In the function of spray torch and rotary cylinder,sawdust goes into sawdust dryer.Material is bubbling fluidization in the drum,the hot air and material full access,then finished drying.
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Placer gold ore is a kind of gold mine generated by river alluviation....
Heap leaching is a common technical process with high efficiency and low consumption. ....