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Hot Air Dryer

Hot Air Dryer

Coal consumption: 11-12890kg/h

Power consumption: 5.5-245kw

Reference weight: 0.84-14.2t

Dimensions: Φ1220×Φ1250-Φ2100×7100mm

Thermal efficiency: 70-82%

Application range:chemical industry,mineral separation,compound fertilizer ect.

Applicable materials:sand, construction materials, metallurgy, etc.

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The hot air dryer is researched and made on our own based on the international advanced technology. It is a modern industrial heat source updating and upgrading product which is preferred to be widely used in the electronic, food, pharmacy, printing, packaging and cleaning. Hot air dryer is typically used to dry high humidity materials like mud, gypsum, slurry, bentonite, vinasse, pomace, medicine dregs, bean dregs, sugar residue, soya residue, peat and rare earth as well as muddy, particle and flake organic and inorganic compound, chemical materials. The particle size of the materials dried by the hot air dryer is 2-5mm, and the materials are under low temperature which makes the dryer applied to heat sensitive materials.

Hot Air Dryer

Hot Air Dryer

Hot Air Dryer

Hot Air Dryer


The hot air stirring dryer adopts double shaft stirring and spiral pushing dryer processing high humidity materials. It can dry the original high humidity materials with 65% of water to the final ones with 5-12% of water inside. It only takes 2-20 minutes. As the dryer stirring blade stirs the wet materials intensely at high speed, materials meet the hot air completely. The moisture of the materials in the front part of the dryer is easier to be vaporized which makes the air temperature decrease rapidly. So, even the stirring dryer works with
high-temperature air, materials are still at lower temperature.

Hot Air Dryer


The hot air stirring dryer dry materials through the inner tube of the dryer to conduct heat indirectly, which prevents materials from touching hot air. This drying method is applied to dry some chemical materials, food and materials easy to be polluted. The inner tubes adopt stainless steels which make the cost 20-80% more than the ordinary one.

Hot Air Dryer

Technology Data

Name DLRF-5 DLRF-10 DLRF-20 ZLRF-20 ZLRF-40
Low Temperature Low Temperature Low Temperature Medium Temperature Medium Temperature
Thermal Efficiency(%) 70 ≥70 ≥70 ≥72 ≥72
Hot Air Outlet Temperature (℃) 80-150 80-150 80-150 200-300 200-300
Heating Load MW) 0.051 0.11 0.23 0.23 0.47
Air VolumeNm³/H 2014-1074 4024-2148 8056-4296 3222-2148 6445-4296
Coal Consumption(Kg/H) 11 24 40-50 45-53 55-77
Power Consumption(KW) 5.5 5.5 7 7 14.5
Applicable Coal Category Ⅱ soft coal2.52.733.23.64.2
Dimensions(mm) Φ1220×Φ1250 Φ1220×Φ1250 Φ1750×Φ2800 Φ1750×Φ3500 Φ1840×3500
Reference Weight(t) 0.84 1.3 1.6 2.3 3.8


Name ZLRF-60 ZLRF-120 GLRF-60 GLRF-80
Medium Temperature Medium Temperature High Temperature High Temperature
Thermal Efficiency(%) 75 75 78 82
Hot Air Outlet Temperature (℃) 180-300 180-300 400-600 400-600
Heating Load MW) 0.7 1.4 0.735 0.97
Air VolumeNm³/H 10742 21484 4834-3222 6445-4297
Coal Consumption(Kg/H) 128 12890 105 125
Power Consumption(KW) 21 245 14.5 21
Applicable Coal Category Ⅱ soft coal2.52.733.23.64.2
Dimensions(mm) Φ1950×4350 Φ7000×2200×1500 Φ1840×5500 Φ2100×7100
Reference Weight(t) 4.2 14.2 8.5 9.4

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China Fote Machinery Co., Ltd. Add: High and New Industrial Zone, Kexue Revenue, High and New Technology Industrial Development Zone, Zhengzhou, China.

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