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Rotary dryers

Limestone dryer

【Capacity】: 0.5-36t/h


【Heat Source】:Coal, oil, natural gas, timber.

【Drying Materials】:Limestone, Sawdust , palm shell, wood chips, bagasse, straw, vinasse , slag, coal powder, mining powder, clay, sand and so on.


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This machine can dry many kinds of materials which contain moisture, such as coal, limestone, coal slurry, slag, industrial waste, and clay stone. They are widely used in building materials, metallurgy, and chemical industry.
This machine is mainly composed of rotary part, lifting board, transmission part, supporting part and seal ring. The dryer machine produced by our company uses new lifting board with many functions of guiding, current sharing and material lifting, and the materials can be comprehensively distributed on the radial sections of the dryer machine and the material curtain is in the thin, average and full state and the materials can fully contact the hot air, thus achieving the aim of making full use of the heat. The dryer machine produced by our company uses reasonable running parameters, and the coal and electricity consumption is reduced by over 10-15% and the output per machine is improved by over 10-15%, so that it has been widely used in the cement plants and ore beneficiation plants.

1.reasonable structure,
2.high efficiency, low energy consumption
3.convenient for transportation,
4.convenient and reliable operation;


Material to be dried enters the dryer, and as the dryer rotates, the material is lifted up by a series of internal fins lining the inner wall of the dryer. When the material gets high enough to roll back off the fins, it falls back down to the bottom of the dryer, passing through the hot gas stream as it falls. This gas stream can either be moving toward the discharge end from the feed end (known as co-current flow), or toward the feed end from the discharge end (known as counter-current flow). The gas stream can be made up of a mixture of air and combustion gases from a burner, in which case the dryer is called a direct heated dryer. Alternatively, the gas stream may consist of air or another (sometimes inert) gas that is preheated. When the gas stream is preheated by some means where burner combustion gases do not enter the dryer, the dryer known as an indirect-heated type. Often, indirect heated dryers are used when product contamination is a concern.

Technical Parameters:
Angle of slope
GZφ600×6000 φ600 6 3 2.9 0.5-1.5
GZφ800×8000 φ800 8 5 3.5 0.8-2.0
GZφ1000×9000 φ1000 9 5 5.2 0.8-2.5
GZφ1000×10000 φ1100 10 5-3 5.6 1.0-3.5
GZφ1200×10000 φ1200 10 3-5 14.04 1.8-5
GZφ1200×12000 φ1200 12 3-5 14.8 2-6
GZφ1500×12000 φ1500 12 3-5 17.76 3.3-7.5
GZφ1800×14000 φ1800 14 3-5 29 5-9
GZφ2200×12000 φ2200 12 3-5 33 6-12
GZφ2200×18000 φ2200 18 3-5 53.3 10-15
GZφ2200×20000 φ2200 20 3-5 56 15-25
GZφ3000×20000 Φ3000 20 3-5 78 25
GZφ3000×25000 Φ3000 25 3-5 104.9 32-36

Note: No further notice if the technical parameters change.

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