... elasticity of operation, strong adaptability, large in capacity. Sludge dryer general adaptation in granular material. Especially dry sand, ... river sand, sludge, quartz sand and drying effect is excellent. Sludge dryer has the advantage of production ... mineral powder, coal cinder, etc.Pictures of sludge dryer Structure of sludge dryer Sludge dryer is mainly composed of shell, back and forth ...