rotary dryer

The rotary dryer is a drying device that heats the material by rotating it back and forth in the body. The machine adopts a sleeve and sleeve structure to shorten the length of the dryer by multiples. The heat dissipation surface is greatly reduced, resulting in reduced heat consumption. , and the multiplied heat exchange surface greatly improves the thermal efficiency, and can dry various materials.
Production capacity:1.9-76mm

Cylinder volume:9-285m³

Motor Power:7.5-160KW

Applicable materials:Gold ore, iron ore, pyrrhotite, hematite, limonite, molybdenum ore, limestone, river sand, etc.
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Strong adaptability to materials, high drying efficiency, and simple and reliable equipment operation

Rotary dryer, also known as dryer, is a drying device that heats materials by rotating them back and forth in the dryer. It is mainly used for drying materials with a certain temperature or particle size in mineral processing, building materials, metallurgy, chemical industry and other departments. The rotary dryer adopts a sleeve-in-line structure to shorten the length of the dryer by multiples. The heat dissipation surface is greatly reduced, so that the heat consumption is reduced, and the doubled heat exchange surface greatly improves the thermal efficiency, and can dry various materials. The rotary dryer has strong adaptability to materials, high drying efficiency, and simple and reliable equipment operation, so it is widely used by users.

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Features

01

High thermal efficiency and low coal consumption

The equipment has made various technical improvements in the lifting installation system, and adopts a new multi-combined lifting installation, which overcomes the "wind leakage" phenomenon of traditional dryers, has high thermal efficiency, and reduces coal consumption by less than 20%.

02

Durable parts and low maintenance costs

The rotary drum of the rotary dryer is made of high-quality stainless steel. The drum is beautiful and smooth, durable, and there is no phenomenon of scratching the fabric; the transmission large and small gears use pins to replace the traditional cast steel gears, reducing maintenance costs and Maintenance time.

03

Strong adaptability and good drying effect

It has a wide range of applications and can be used for drying granular materials, materials with strong adhesion and other various materials. It has strong adaptability and good drying effect.

04

Automatic device, easy to operate

The automatic control device is adopted, and the whole drying process can be completed automatically only by adjusting the time through the control panel, and the operation is simple and reliable.

Working Principle

The main part of the rotary dryer is mainly composed of cylinder, front roller ring, rear roller ring, gear, retaining roller; drag roller, pinion, discharge part, lifting plate, reducer, motor, hot air duct, feeding chute, Furnace and other parts. During the drying operation, when the temperature at the bottom of the rotary dryer equipment reaches 400°C-800°C, the material is fed from the feeding port by the elevator, and is dispersed, broken, and evenly distributed by the dispersing device under the action of gravity. It flows inside the rotary dryer (to ensure the heat exchange effect of the material inside the dryer). The hot gas is generated by the lower hot blast stove, moves from bottom to top, contacts with the material, and transfers heat to the material through heat conduction, convection, radiation and other ways, so that the temperature of the material continues to rise, and the water is continuously evaporated, meeting the water requirements The material is discharged from the lower outlet, and the gas with water vapor is drawn out by the fan through the chimney.

Technical Parameters

Specification (diameter x length) (m) Cylinder volume (m³) Processing capacity (t/h) Installation slope (%) Maximum intake air temperature (℃) Main motor (kw) Total weight (t)
Φ1.2×8.0 9 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

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