Item/Unit/Model | DZL1-0.7(1.25) | DZL2-0.7(1.25) | DZL4-1.25 | DZL6-1.25 | DZL8-1.25 | DZL10-1.25 | ||
Rated steam capacity | t/h | 1 | 2 | 4 | 6 | 8 | 10 | |
Rated working pressure | Mpa | 0.7(1.25) | 0.7(1.25) | 1.25 | 1.25 | 1.25 | 1.25 | |
Rated steam temperature | ℃ | 171(194) | 171(194) | 194 | 194 | 194 | 194 | |
Rated feedwater temperature | ℃ | 20 | 20 | 20 | 20 | 20 | 20 | |
Heating surface | 39.5 | 76.12 | 135.98 | 226.72 | 396.26 | 412.3 | ||
Grate area | 2.65 | 3.74 | 4.3 | 7.22 | 10.3 | 11.8 | ||
Fuel type | kg | Coal | Coal | Coal | Coal | Coal | Coal | |
Thermal efficiency | % | 77.16 | 77 | 78 | 81 | 81 | 79.6 | |
Fuel consumption | kg/h | 155 | 311 | 615 | 888 | 1185 | 1507 | |
Emission concentration | mg/Nm³ | <80 | <80 | <80 | <80 | <80 | <80 | |
External Dimension | L | m | 4.12 | 5.6 | 6.78 | 6.92 | 7.56 | 9.5 |
W | m | 1.92 | 2.6 | 2.73 | 2.83 | 3.28 | 3.35 | |
H | m | 3.25 | 3.32 | 3.25 | 3.72 | 4.25 | 4.9 | |
Boiler Weight | t | 11.5 | 22.73 | 27.26 | 38.13 | 54.26 | 57.63 | |
Main steam valve | mm | 50 | 80 | 100 | 150 | 150 | 150 | |
Feedwater valve | mm | 32 | 40 | 40 | 40 | 40 | 50 | |
Safety valve | mm | 2×40 | 2×50 | 2×50 | 2×80 | 2×80 | 2×80 | |
Drain valve | mm | 40 | 40,50 | 40,50 | 40,50 | 40,50 | 40,50 | |
Level gauge | mm | 25 | 25 | 25 | 25 | 25 | 25 |