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Item\Type | DZL1-0.7-A II DZL1-1.0-A II DZL1-1.25-A II | DZL2-0.7-A II DZL2-1.0-A II DZL2-1.25-A II | DZL3-0.7-A II DZL3-1.25-A II | DZL4-1.25-A II | DZL6-1.25-A II | DZL8-1.25-A II | DZL10-1.25-A II | DZL15-1.25-A II | DZL20-1.25-AII | DZL25-1.25-A II DZL25-1.6-A II | DZL30-1.25-A II DZL30-1.6-A II | |
Rated capacity t/h | 1 | 2 | 3 | 4 | 6 | 8 | 10 | 15 | 20 | 25 | 30 | |
Rated steam pressure Mpa | 0.7/1.0/1.25 | 0.7/1.0/1.25 | 0.7/1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25/1.6 | 1.25/1.6 | |
Rated steam temperature C | 170/184/194 | 170/184/194 | 170/194 | 194 | 194 | 194 | 194 | 194 | 194 | 193/204 | 193/204 | |
Feed water temperature C | 20 | 20 | 20 | 20 | 20 | 60 | 105 | 105 | 105 | 105 | 105 | |
Heated area M² | radiation/revection | 4.68/16.1 | 6.2/39.5 | 8.2/45.3 | 10.06/73.53 | 15.2/92.38 | 22.3/159.5 | 19.5/207.6 | 33/290 | 34.36/408.51 | 99.21/457.79 | 44.5/628.6 |
Boiler heat efficiency % | 76 | 77 | 82 | 78 | 78 | 80.5 | 80.6 | 80.6 | 81 | 81.38 | 81.76 | |
Fuel consumption kg/h | 175 | 346 | 519 | 692 | 1012 | 1325 | 1655 | 2480 | 3290 | 3551 | 4230 | |
Effective area of grate | 1.8 | 3.04 | 3.34 | 5.14 | 9.36 | 10.9 | 12 | 17 | 22.56 | 24.67 | 26.88 |
Coal steam boiler