Rotary kiln dryer

Production Capacity: 1.9-76.0T/h

Specification: φ1.2×8.0m-φ 3.6x28m

Application: mineral processing, building material, metallurgy, chemical, etc.

The rotary kiln dryer, also called cement dryer, is one kind of rotary dryer. rotary kiln dryer apply for drying cement. The cement dryer is made of rotary body, lifting board, transmission, support device, seal ring and etc. The rotary kiln dryer can be used to dry material with certain wetness or size. The rotary dryer is adaptable to various kinds of material, easy to operate, simple and stable structure, so the cement rotary dryer is wide applied to mineral processing, building materials, metallurgy, chemical and other fields.

Applicable materials: iron scale, sludge, coke, raw iron scrap, copper concentrate, silicon carbide powder, rare earth ore, mercury ore powder, tin ore powder, cobalt ore powder, nickel ore powder, manganese ore powder, gypsum powder, bentonite, kaolin, fine iron ore, lead powder, petroleum coke, gold ore powder, steel slag, water slag, fluorite ore, sea sand, river sand and other materials.

rotary kiln dryer
rotary kiln dryer

Advantages of rotary kiln dryer

  • High temperature resistance, use high-temperature and hot air to dry materials fast.
  • Strong expandability of AGICO dryer, the design of dryer fully consider the allowance of production, even if a little more production incensement, there is no need of equipment replacement.
  • Reasonable design of structure, stable performance, high heat utilization rate, uniform drying, convenient maintenance.
  • Large capacity of material processing, low energy consumption, higher mechanical degree, and low cost of drying are all advantages of AGICO dryer.
  • High thermal efficiency and less energy consumption: the dryer adopts multi-modular lifter device.
  • Many types of burning furnace are available.
  • The centralized control system can realize the monitoring and management of microcomputer center in large enterprises


Spec./m (Dia.×Length) Shell Cubage (m³) Capacity (t/h) Installation Obliquity (%) Highest Inlet Air Temperature (℃) Main Motor (kw) Weight (t)
Φ1.2×8.0 9.0 1.9~2.4 3~5 700~800 7.5 9
Φ1.2×10 11.3 2.4~3.0 3~5 700~800 7.5 11
Φ1.5×12 21.2 4.5~5.7 3~5 700~800 15 18.5
Φ1.5×14 24.7 5.3~6.6 3~5 700~800 15 19.7
Φ1.5×15 26.5 5.7~7.1 3~5 700~800 15 20.5
Φ1.8×12 30.5 6.5~8.1 3~5 700~800 18.5 21.5
Φ1.8×14 35.6 7.6~9.5 3~5 700~800 18.5 23
Φ2.2×12 45.6 9.7~12.2 3~5 700~800 22 33.5
Φ2.2×14 53.2 11.4~14.2 3~5 700~800 22 36
Φ2.2×16 60.8 13.0~16.2 3~5 700~800 22 38
Φ2.4×14 63.3 13.5~16.9 3~5 700~800 37 45
Φ2.4×18 81.4 17.4~21.7 3~5 700~800 37 49
Φ2.4×20 90.4 19.3~24.1 3~5 700~800 45 54
Φ2.4×22 99.5 21.2~26.5 3~5 700~800 45 58
Φ2.6×24 127.4 27.2~34.0 3~5 700~800 55 73
Φ3.0×20 141.3 30.1~37.7 3~5 700~800 75 85
Φ3.0×25 176.6 37.7~47.1 3~5 700~800 75 95
Φ3.2×25 201 42.9~53.6 3~5 700~800 90 110
Φ3.6×28 285 60.8~76.0 3~5 700~800 160 135
Shell diameter ×shell Length Items Inside diameter of outer shell (mm) Inside diameter of inner shell (mm) Shell Length (m) Shell cubage (m³) Shell obliquity Lifting blade form Highest inlet air temperature (℃) Dimensions (m)
Φ1.5×15m 1500 500 15 20.27 3-5% Lifting form 850 16.2×2.7×2.7
Φ1.5×17m 17 22.97 18.2×2.7×2.7
Φ1.5×19m 19 25.68 20.0×2.9×2.9
Φ1.8×21m 1800 650 21 35.91 3-5% Lifting form 850 22.5×2.7×2.7
Φ1.8×23m 23 39.33 24.5×2.9×2.9
Φ1.8×25m 25 42.75 26.5×2.9×2.9
Φ2.2×21m 2200 800 21 58.10 3-5% Lifting form 850 —-

Working principle of cement dryer

The dryer consists of a cylindrical structure with the cylinder placed horizontally. One end slightly higher and the other end slightly lower. When the dryer is running, the wet material is sent to the hopper via a belt conveyor or a bucket elevator. The material enters the dryer from the higher end of the dryer, the dryer rotates continuously, and the material in the cylinder is brought to a high place and then falls with the rotation. There is a lifting plate on the inner wall of the cylinder, in order to take materials to a high place and evenly spread them, increase the contact area between the material and the air. Some dryers also pass hot air from one end to achieve faster drying of materials.

cement dryer

The Frequent Asked Questions of Cement Dryer

The main heat source of the dryer comes from the combustion device, which mainly relies on coal combustion to generate heat.

Our rotary kiln dryer choose reasonable operating parameters, coal consumption and electricity consumption reduce 10-15%, greatly reduce the cost of production.

The cement dryer adopts advanced technology, reasonable structure design, safe and reliable, simple operation, easy maintenance.

Our dryer has advantages of long service life, simple operation, high efficiency, good effect, low failure rate, little dust, convenient maintenance and etc. good performance decide good control of the running cost, and gain higher economic efficiency, realize the “small investment, big returns”, cost recovery period will remain basically within 3 months.

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