Multi-belt Dryer
This is a continuous penetrating dryer applicable to piece, strip and grain materials of good permeability. The machine is particularly suitable for the materials with high water content such as dehydrated vegetables, Chinese prepared medicinal herb and others for which high drying temperature is not allowed. The dryer owns the advantages of fast drying speed, strong evaporation and quality product. The dehydrated filter-cake paste should be made into grains or rods before the drying process.
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Working Principle
The material is spread evenly on the net belt (which usually is the 12-60 stainless wire net) by the feeder, the net belt driven by a transmission to move in the dryer. The dryer is composed of several sections in which the hot air circulates separately. Part of the tail gas is exhausted by a special wet-emitting blower and the waste gas is controlled by a control valve. The hot air passes upwards or downwards through the mesh-belt covered with material to complete heat transfer and mass transfer and then take moisture away. The net belt moves slowly, whose speed can be freely adjusted according to the material temperature. The final products after the drying process will fall into the collector successively. The top and bottom circular units as well as the amount of units can be freely equipped according to the user's requirements.
Characteristics
Amount of air, heating temperature, residence time of material and the feed speed can be adjusted in order to obtain the best drying effect.
Equipments in the dryer can be installed flexibly. The net belt washing system and material cooling system are available.
The cyclic utilization of most air can greatly save the energy.
Its unique air dividing apparatus betters the uniform distribution of hot air and guarantees the consistent quality of products.
The heat source may be steam, heat conduction oil, electricity or coal (oil) hot air furnace.
Materials to be dried
Dehydrated vegetables, granulated feed, gourmet powder, shredded coconut stuffing, organic color, compound rubber, acrylic fiber, medicine, medicinal material, small wooden goods, plastic products, aged and solidified electronic devices and so on.
Technical Parameters (please refer to the original instruction manual)
|
Spec |
DW3-1.2-8 |
DW3-1.2-10 |
DW3-1.6-8 |
DW3-1.6-10 |
DW3-2-8 |
DW3-2-8 |
|
Amount of Units |
4*3 |
5*3 |
4*3 |
5*3 |
4*3 |
5*3 |
|
Belt Width (m) |
1.2 |
1.6 |
2 |
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|
Drying Section Length (m) |
8*3 |
10*3 |
8*3 |
10*3 |
8*3 |
10*3 |
|
Thickness of Spread Material (mm) |
10-80 |
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|
Working Temperature (℃) |
50-150 |
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|
Steam Pressure (Mpa) |
0.2-0.8 |
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|
Steam Consumption (kg/h) |
360-600 |
420-720 |
450-840 |
480-960 |
1510-1080 |
630-1350 |
|
Heat Exchange Area (m2) |
816 |
1020 |
1056 |
1320 |
1344 |
1680 |
|
Drying Intensity (kg/h) |
150-450 |
240-650 |
220-600 |
280-750 |
300-600 |
350-850 |
|
Amount of Blowers |
14 |
17 |
14 |
17 |
14 |
17 |
|
Total Power of Blowers (kw) |
30.8 |
32.6 |
30.8 |
32.6 |
54.2 |
56 |
|
Total Power of the Equipment (kw) |
35.3 |
37.1 |
35.3 |
37.1 |
58.7 |
60.5 |
|
Overall Size (L×W×H)(m) |
9.77*2.2*4.7 |
11.7*2.2*4.7 |
9.77*2.6*4.7 |
11.77*2.6*4.7 |
9.77*3.06*4.9 |
11.77*3.06*4.9 |
|
Total Weight (kg) |
4800*3 |
5780*3 |
5400*3 |
6550*3 |
6350*3 |
7800*3 |









