20t/h Double Drum Steam Boiler
- The boiler shall adopt double drum, monolayer arrangement, compact structure, as well as large heating surfaces which are more 10% than those of same kinds of products, featuring the following advantages such as sufficient output, safe and reliable operation ,short construction period, and low installation cost ect.
- The design of cyclone reburning chamber in furnace resulted in the decrease of dust contained in the flue gas .At the same time, incandescent carbon black particles shall burn further, enhancing the boiler thermal efficiency, and decreasing gas blackness ,as a result, the gas emission concentration shall meet the requirements of grade A environmental protection area.
- The grate shall employ the technology patent of small roller structure, boundary grate and so on ,improving the operation reliability of the boiler.
Parameter List
| Items | SZL15-1.25/1.6 | SZL15-2.5 | SZL15-1.25/300 | SZL15-2.5/400 | SZL20-1.25/1.6 | SZL20-2.5 | SZL20-1.6/300 | SZL-20-2.5/400 |
| Rated Capacity T/H | 15 | 15 | 15 | 15 | 20 | 20 | 20 | 20 |
| Rated Pressure MPa | 1.25/1.6 | 2.5 | 1.25 | 2.5 | 1.25/1.6 | 2.5 | 1.6 | 2.5 |
| Steam Temperature °c | Saturated | Saturated | 300 | 400 | Saturated | Saturated | 300 | 400 |
| Fire Grate | Chain grage | Chain grate | Chain grate | Chain grate | Chain grate | Chain grate | Chain grate | Chain grate |
| Grate area m² | 17.38 | 18.84 | 18.84 | 18.84 | 21.33 | 24 | 21.1 | 24 |
| Boiler Heat surface m² | 324 | 374.3 | 408.3 | 455.3 | 441 | 459 | 478.7 | 554 |
| Boiler tail Heat surface m² | 330.5/354 | 362 | 238 | 362 | 317 | 481 | 576 | 576 |
| Fuel consumpation kg/h | 2123/2130 | 2121 | 2333 | 2510 | 2726 | 2743 | 3083 | 3333 |
| Exhaust smoke temperature °c | 170 | 170 | 170 | 170 | 170 | 170 | 170 | 170 |
| Dust emmsion concentration mg/Nm3 | <80 | <80 | <80 | <80 | <80 | <80 | <80 | <80 |
| Heat Efficiency % | 82.3 | 82 | 82 | 82 | 82.5 | 82.5 | 80.4 | 82.5 |
| Size (L*W*H)mm | 9900*3400*3530 | 10020*3480*3740 | 10020*3480*3740 | 10020*3480*3740 | 10070*3550*3400 | 10070*3550*3400 | 10750*3550*3400 | 10070*3550*3400 |
| Weight T | 36.7/38 | 39.7 | 39.7 | 39.7 | 41/43.4 | 47.8 | 44 | 48 |
| Installated size(L*W*H)mm | 11300*5840*6200 | 11300*5800*6700 | 11300*6710*8720 | 13000*6160*7720 | 14000*5400*7920 | 14000*5670*7820 | 13000*6700*9000 | 13000*7100*9000 |
| Accept Special Design | yes | yes | yes | yes | yes | yes | yes | yes |

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