Rotary Drum Dryer

Rotary Drum Dryer
Rotary Drum Dryer
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This rotary drum dryer takes wet material and stirs it with bafflers that are uniformly distributed in the barrel. The hot air and the stirring motion expedites the drying process and quickly evaporates unwanted moisture.

Applications
This drying equipment is used for drying heavy particles in chemical, mining, metallurgy and other industrial applications. The stirring dryer is also suitable for special materials such as alcohol residue, calcium carbonate and active clays.

Technical Paramenters
model direct heating clockwise flow Specification direct heating clockwise flow Specification heat directly countercurrent Specification heat directly countercurrent Specification complex heat complex heat
kinds of raw material ore vesiccant blast fumace ammonium sulfate phosphorus fertilizer coal
amount to be treated kg/h 1000 466 15000 20000 12000 5000
primary moisture % 30 13 6 1.5 5 6.5
final moisture % 15 0.3 1 0.1 0.1 0.1
average diameter mm 6.5 0.05 4.7 0.5-1.7 0.5 5
bulk density of rawmaterial kg/m2 770 800 1890 1100 1500 750
amount of hot air kg/h 39000 5400 10750 9800 6500 16000
temperature of air at inlet ℃ 600 165 500 180 650 570
temperature of raw material at outlet ℃
42 100 70 80 75
way of heating gas electric heating heavy oil fuel hot fumace heavy oil heavy oil
loading effciency %
6.3 7 7.5 7.8 18
revolution r.p.m 4 4 3.5 3 4 2
gradient m/m 0.04 0.005 0.03 0.05 0.05 0.043
quantity of stirring-up rake 12 24 12 22 outer of inner cylinder 8 inner of out cylinder 16 6 12
diameter of dryer m 2.0 1.5 2 2.3 out cylinder 2 inner cylinder 0.84 out cylinder 2.4 inner cylinder 0.95
length of dryer m 20 12 17 15 10 16
driving power kw 22 7.5 15 11 11 15

Features
High production capacity.
Low power consumption.
Highly versatile drying machine.
Stable and uniform drying.

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