Solid fuel fired chain grate boiler is single drum water tube and fire tube boiler, combustion equipment is chain grate. Water wall tubes at left and right sides of furnace are the radiated heating area. the two wings at furnace and screw fire tube in the drum are convection heating area. This boiler uses the upper drum, water wall tube and head are in symmetrical arrangement mode. The drum is welded assembly by cylinder and front back tube plate. This furnace structure is in reasonable arrangement and high efficiency, also, it adopts unique double secondary air design to improve the high combustion efficiency.
| Model | Steam capacity(t/h) |
Rated pressure (MPa) |
Thermal efficiency (%) |
Available fuel | Fuel consumption (kg/h) |
Overall Dimension L×W×H (m) |
Weight (ton) |
| DZL1-0.7/1.0/1.25-T | 1 | 0.7/1.0/1.25 | 82 | Coal, biomass pellet | ~200 | 5.1×2.2×3 | 17 |
| DZL2-0.7/1.0/1.25-T | 2 | 0.7/1.0/1.25 | 82 | ~400 | 5.5×2.3×3.3 | 23 | |
| DZL4-1.25/1.6-T | 4 | 1.25/1.6 | 82 | ~800 | 6.6×2.6×3.6 | 25 | |
| DZL6-1.25/1.6-T | 6 | 1.25/1.6 | 82 | ~1200 | 8.2×2.9×3.8 | 35 | |
| DZL8-1.25/1.6-T | 8 | 1.25/1.6 | 82 | ~1600 | 8.1×3.1×3.8 | 45 | |
| DZL10-1.25/1.6-T | 10 | 1.25/1.6 | 82 | ~2010 | Up 7.7×3.2×3.6 Down 8.6×3×2.6 | Up 23 Down 28 | |
| Note: 1. Parameter is for reference only, if any changes should follow the factory technical data. 2. Our company can design boiler products based on customers’ requirement and different biomass fuels. |
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