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Rotary dryers

Sludge Belt Dryer

【Materials】: industrial residue, medical rubbish, chemical residue and sludge;
【Energy consumption】:70 to 100 kw/t h 20
【Applications】:belt sludge drying system is mainly composed of two layer belts which are placed on both top and bottom; dehydrated sludge is sent to sludge noodles device through sludge conveyor system.


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1.Low energy consumption; make use of waste heat; energy consumption cost is reduced;
2. Heat source available: hot water, waste gas, hot oil and stream;
3. Waste heat utilization: warm water (90 degree Celsius); exhaust gas discharged during the process (90 to 100 degree centigrade); other usable exhaust gas;
4. Granular processing: materials can be dried to products whose solid content is over 90%. Uniform granularity; dust content: ﹤ 1%
5. Sludge feed:
In order to optimize drying effects, dehydrated sludge must be conveyed evenly on the surface of dryer conveyor. This request only can be met by our distributor mechanism which is mainly composed of ext ruder and matrix moving head with multiple holes.
a. Uniform air permeable layer can be formed, which makes hot air get through well;
b. The superficial area of sludge granularity is enlarged, which is beneficial for water evaporation;
c. Automatic control for feeding;
d. Easy operation and quick system;
6. Stainless steel structure, long service span; low running cost;


Belt sludge drying system is mainly composed of two layer belts which are placed on both top and bottom. Sludge is sent to sludge noodles device through sludge conveyor system. Sludge noodles are produced and are placed uniformly on drying belt. Then drying belt will send sludge noodles into main structure of this device. In drying storage, the temperature will be lifted to a set standard by drying air. Then the drying air will pass through sludge noodles placed uniformly on drying belt. The moisture of sludge will be carried out by air flow. With the moving of drying belt, sludge on upper drying belt will be sent to lower drying belt for further drying process. Then the sludge will be conveyed forward. Hot air enters drying device from the lower part of the device and pass through the whole drying belt. When hot air pass through sludge placed on the drying belt, moisture of sludge is carried out and the drying process is realized. 

Technical Parameters:
Water removal capacity: 500 to 6000 kg/h
Input solid content: 15 to 60%

Note: No further notice if the technical parameters change.

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