... .3.The materials to be dried enter the oblique rotary drying machine through feed box and are pushed to the ... drum by spiral shoveling plate.fertilizer drying machine usage:sludge drying machine is used for drying slag, clay, limestone, it is ... , chemical, metallurgical, building materials industries; Also, the fertilizer drying machine can dry other things, like coconut fibire, feritilizer particledata ...