Zhengzhou Sincola Machinery Co., Ltd
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Energy Saving Small Quar electric rotary drum dryer machine mechanical limestone sand coal sludge rotary dryer
Three cylinder dryer, Drum Dryer is composed of three concentric cylinders of different diameters in accordance with certain mathematical relationship and structural form, embedded in each phase. It can dry various of materials.In general, the rotary drum, widely used to drying sand.
1. Three-cylinder dryer can take full advantage of excess heat, reduce heat loss and increase the heat exchange area, making the unit evaporation intensity of the dryer greatly improved, thereby effectively improving the heat energy utilization rate, reducing the energy consumption and making the heat efficiency of three-cylinder dryer improved in a wider range. Compared with single-cylinder dryer with the same efficiency, its heat efficiency is improved about 50% and energy consumption saving doubles.
2. Because the cylinder length of the three-cylinder dryer is one third of single-cylinder dryer and the base area saves about 60% than the single-cylinder dryer, the base investment is reduced correspondingly.
3. The dryer drives by adopting the friction between supporting roller and belting leather, and the transmission power is low, thereby reducing the noises when the equipment working.
4. The cylinder sealing system of the dryer adopts micro-contact technology, with better sealing effect and reducing the dust pollution.
5. The cylinder and raising material board of the dryer both adopt alloy steel plates which is double service life of common steel plates.
6. Three-cylinder dryer can use coal, oil, gas as fuel, can dry different shapes of material, such as lump, granular, powder and various materials.
1. Three cylinder dryer use telescope-feed structure, dry the material quickly
2. Simple design, self-insulation, improve the heat efficiency to exceed 80%
3. Structure delicate, stable operation
4. Good drying performance, coal consumption <8kg when drying 1t material
5. The fuel can be coal, oil, natural gas etc, dry mass, granule and powder material
6. Reduce land area for 50% compared to single drum rotary dryer, so construction investment is saved 50%power consumption saved 60%.
Main parameters
| Three Pass Dryer | SS623 | SS625 | SS6210 | SS6220 |
| Drying capacity | 1-3 m3/h | 4-6 m3/h | 10-14 m3/h | 20-30 m3/h |
| Diameter of drum | 2200mm | 2200mm | 2500mm | 2600mm |
| Length | 1500mm | 2500mm | 2700mm | 3700mm |
| Motor power | 4kw | 5.5kw | 4kw*2 | 5.5kw*2 |
| Reducer model | XWD-5 | XWD-5 | XWD-5 | XWD-5 |
| Speed of drum rotation | 4-10 r/min | 4-10 r/min | 4-10 r/min | 4-10 r/min |
| Moisture of end products | 0.1%-0.8% | 0.1%-0.8% | 0.1%-0.8% | 0.1%-0.8% |
| Max. temperature inside | 700-750℃ | 700-750℃ | 700-750℃ | 700-750℃ |
| Outlet temperature | 30-60℃ | 30-60℃ | 30-60℃ | 30-60℃ |
| Hot-blast Stove dimensions | 1.55m×1.3m×2.18m | 2.3m×2m×2.7m | 2.3m×2m×2.7m | 2.3m×2m×2.7m |
| Furnace door | 450*550 mm | 450*550 mm | 450*550 mm | 450*550 mm |
| Quicksand tube | φ165×1600 mm | φ273×1800 mm | φ300×1800 mm | φ400×2000 mm |
| Coal consumption | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand | 7-10 kg/ per ton sand |