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Biomass-Fired Coal Dryer for Low Fuel Cost
Introduction
A biomass-fired coal dryer is an eco-friendly thermal drying system that uses agricultural or forestry waste—such as wood chips, sawdust, rice husks, or pellets—as fuel instead of expensive fossil fuels. Designed to significantly reduce thermal energy expenses, this system enables coal producers to dry high-moisture coal while cutting operational costs and reducing carbon emissions.
Working Principle
Biomass Combustion: Biomass fuel is fed into a specialized biomass burner or hot blast stove to generate stable, high-temperature thermal energy.
Coal Feeding: Wet coal enters a heavy-duty rotary drum fitted with internal flighting/lifters.
Heat Exchange: As the drum rotates, the lifters continuously shower the coal through the stream of biomass-generated hot air, rapidly evaporating surface and internal moisture.
Discharge & Emission Control: Dried coal is continuously discharged, while steam and fine particles pass through a cyclone dust collector or baghouse before clean air is exhausted.
Key Advantages
Significant Fuel Cost Savings: Biomass fuels are substantially cheaper than natural gas, diesel, or electricity—often lowering fuel expenses by 30% to 60%.
Eco-Friendly & Low Emissions: Biomass is a carbon-neutral energy source that significantly lowers the overall carbon footprint of coal processing operations.
Fuel Versatility: Capable of burning various locally available organic waste materials (bark, crop stalks, sawdust, biomass pellets).
Enhanced Profitability: Cuts drying overhead while raising the calorific value and transport efficiency of the dried coal.
Applications
Coal Washing & Processing Plants: Cost-effective drying of coal fines, slimes, and tailings to meet market specifications.
Mines Near Forestry or Agriculture Hubs: Capitalizing on cheap local biomass residues to process raw coal at low cost
Industrial Energy Transition: Upgrading traditional coal-firing or oil-firing drying lines to reduce fuel bills and comply with environmental regulations.
Technical Specifications
Product Specs (m) |
Capacity(T/H) |
Main Motor Power |
Main Motor Mode1 |
Main Gearbox Model |
Ratio |
Weight (T) |
1.2x10m |
2.5 |
7.5 |
Y160M-R3 |
ZL50-16-1 |
13.5 |
|
1.5x12m |
3.3-4.9 |
10 |
Y160L-6B3 |
JZQ500-111-2F |
- |
18.9 |
1.5x15m |
4-6 |
18.5 |
Y200L-6 |
JZQ500-111-2F |
21 |
|
1.8x12m |
4-6 |
11 |
Y200L-6 |
ZQ50-1611-2 |
16.46 |
22.33 |
2.2x12m |
7-12 |
18.5 |
Y160L-6 |
JZQ650-111 |
31.5 |
37.6 |
2.2x14m |
7-12 |
18.5 |
Y160L-6 |
JZQ750-111 |
31.5 |
40 |
2.2x16m |
12 |
30 |
Y225M-6 |
JZQ750-11 |
31.5 |
45 |
2.4x14m |
12 |
30 |
Y250M-6 |
JZQ750-111 |
31.5 |
51 |
2.4x18m |
10-13 |
37 |
Y250M-6 |
ZL85-13-1 |
27.16 |
54 |
2.4x20m |
10-14 |
37 |
Y250M-6 |
ZL85-13-1 |
27.16 |
54.14 |
3x20m |
25 |
55 |
Y250M-4 |
ZL100-16-1 |
41.52 |
78 |
3x25m |
32-36 |
75 |
YR280M-4 |
ZL100-16-1 |
41.52 |
104.9 |
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