(MC+EP)高效多管静电组合式除尘器在循环流化床锅炉中的应用

Application of (MC+EP) High-efficiency Multi-tube Static Combination Dust Remover in Circulation Fluidized-bed Boiler

介绍了CG - 75 / 5 .3-MX型循环流化床锅炉采用 (MC +EP)高效多管静电组合式除尘器的应用状况。在燃用低位发热值Qnet,ar =12 5 12kJ/kg ,灰分 Aar =35 .0 %～ 38.0 %劣质煤煤时 ,锅炉初始排尘浓度为 2 396 4 .1～ 2 5 2 6 2 .4mg/Nm3 (折算到α =1.8)时 ,(MC +EP)高效多管静电组合式除尘器出口烟尘排放浓度为 380 .0～ 318.4mg/Nm3 (折算到α =1.8) ,除尘效率达 98.71%～ 98.74 % ,除尘器阻力为 12 90Pa ,分割粒径为 1.15 μm ,林格曼黑度 1级以下。

When Q net.ar =12 512 kJ/kg, A ar =35.0%～38.0%, and the initial dust discharge concentration is 23 964.1～25 262.4 mg/Nm 3, the dust discharge concentration out from the outlet of (MC+EP) high efficiency multi tube static combination dust remover is 380.0～318.4 mg/Nm 3, the dust removal efficiency is 98.71%～98.74%, the resistance of remover is 1 290 Pa, the particle size is 1.15 μm, and the geman blackness is below class 1.