Wet material is input into the hopper. The stove generates hot air, hot air mixed with wet sawdust and then sucked into the pipes by the exhaust blower , flowing and go though the curving pipes and buffer(drying chamber) of dryer, thus the wet sawdust is dried, and the dried sawdust is discharged from the outlet with air lock.
This type of dryer is suitable for drying heat sensitive material which is light and small like sawdust, rice shell, milled stalks etc. Generally Wet material can be dried in a few minutes.Comparing with rotary dryer, it has the advantages of low energy comsumption, low cost, it’s in simple design but have good effect as well.
The feeding of fuel for boiler is by manual.The fuel can be wood waste like tree branch, tree trimmings, wood chips, coal or any waste that can burn (But Gas or Oil is impossible for the boiler now).
| Model | NHGJ-I | NHGJ-II | NHGJ-III |
| Capacity(Kg/hour) | 200-250KG | 400-500KG | 500-700KG |
| Size of Input Material (Diameter) |
< 3mm & < 5mm | < 3mm & < 5mm | <3mm & < 5mm |
| Temperature of Hot Air | 180°C~250°C | 180°C~250°C | 180°C~250°C |
| Consumption of Wood Waste | 40 kg/h | 60kg/h | 100kg/h |
| Moister content max % | 20-50% | 20-50% | 20-50% |
| Moisture of material after drying | 8-12% | 8-12% | 8-12% |
| Power (Centrifugal Fan+Air Lock) |
5.5kw+1.5kw | 7.5kw+0.75kw | 11kw+0.75kw |
| Net/Gross Weight | 1500/1700kg | 2040/2260kg | 2850/3080kg |
| Overall dimension(L*W*H) | 9m*2m*4m | 9m*2.4m*4m | 9m*3.2m*4m |
| Packingsize | 9.2 M3(2 cases) | 11 M3(3 cases) | 14 M3(3 cases) |
In the dryer, high-speed hot air stream sustain raw material in the suspending state, then the material is dried. Since air stream speed is very high, and materials suspending in air stream, the heat transfer surface between air and raw material is large, so the heat transfer rate is high
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