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Rotary Drum Dryer's Mainframe Structure and Drying Methods

Time:2018年12月04日      Hits:

Introduction of Rotary Drum Dryer:

Rotary Drum dryer is ideal drying equipment for processing high humidity and large quantity material. It has the features of stable work performance, low maintenance cost, easy operation,etc. It is widely used in the drying field of metallurgy, chemical materials, sand, slag, food, feed, fertilizer, sawdust, wood chips, wood shavings, etc.

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Drying Methods of Rotary Drum Dryer:

Heat Supplying System ---- Material Feeding System --- Drying System --- Dried Material Discharging System --- Water Vapor Exhaust System --- Waste Flue Gas Processing System.


Working principle of Rotary Drum Dryer:

The people put the fuel (waste wood) into hot air furnace and light the fuel. Hot Air Furnace generate the dry hot air, and the high pressure draft fan makes the dry hot air into the dryer drum. The dry hot air not only heat the wet material, but also heat the dryer drum. Under the function of the lifting plate and special drum inner structure, the wet material moves up and down to the discharging end of the dryer drum, during this process, the wet material not only absorb the heat of the dryer drum, but also have strong heat exchange with the dry hot air. During this process, the humidity inside the wet material is heated and evaporated into water vapor, and under the function of the high pressure draft fan, firstly the dry material and exhaust air with water vapor goes into cyclone separator, and then the cyclone separator separates the dry material from the exhaust air and water vapor. The exhaust air and water vapor come out from the top of the cyclone separator, and then pass through the draft fan, then goes into chimney, and finally goes into atmosphere. The dried material come out from the outlet feeder which is installed on the bottom of the cyclone separator.

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Rotary Drum Dryer Mainframe Structure:

In the dryer drum there is lifting plate and multi-chamber device; on the surface of the dryer drum there is heat reservation layer; on the both end of the dryer drum there are inlet cover and outlet cover; on the dryer drum there is transmission gear. There are four sets carrier rollers work together with the Big Gear. There is one big supporting frame welded together with the dryer drum. The motor makes the gear box rotates, and the small gear of the gear box to use chain to make the big gear rotate, and then the dryer drum rotates. The rotation speed of the dryer drum can be adjusted by one speed adjusting device on the electric control panel.

If you are in need of rotary drum dryer, please feel free to contact us at:

Email: suncomachinery@hotmail.com

WhatApp: +86-15838214261

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