HG series of rotary drum dryers
KINDS: HG series of rotary drum dryers(Dryer Series)


HYG Rotating barrel Dryer

Wet material is loaded from one head of the dryer, and then it is stirred by the bafflers that is uniformly distributed in the barrel. Material is uniformly distributed and dispersed in the dryer, fully contact the hot air of parallel (or counter) flow, so the drying process is expedited, and the impulsion power of media transfer is enhanced. During the drying process, material is under the effect of angled baffler and hot air, moves to the star shape unloader that is at the other head of the dryer.

Applicable for drying big particles, heavy particles in chemical, mining, and metallurgy, such as mining area, cinder of blast furnace, coal, powder of metal, phosphate fertilizer and thiamine. For drying the powder or particles with special requirements, such as HP foaming blowing agent, residule of alcohol, light calcium carbonate, active clay, magnetic powder, graphite, and residue of medicine. For materials to be dried under low temperature and large lot continuous production .

The motorization level of the barrel is high, and the production capacity is high;

The resistance that the material passes through the barrel is less, and the power consumption is low.

Application capability to different characters of materials is high.

The operation is stable, the operation fee is low, and the uniformity of product drying is good.

model direct heating clockwise flow spec direct heating clockwise flow spec heat directly countercurrent spec heat directly countercurrent spec 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

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

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