复水冷却滚筒冷渣器在DG 450t/h CFB锅炉中的应用

Application of Condensate Cooling Roller Slag-cooler in DG 450 t/h CFB Boiler

针对国内大型循环流化床锅炉冷渣器堵塞、排渣不畅而制约机组稳定运行的突出问题,结合现场实际情况,在滚筒冷渣器大多采用化学除盐水作为冷却水源的基础上,将汽轮机复水作为冷却用水应用于生产实际,彻底解决了锅炉排渣堵塞和炉渣热量回收利用问题。

In view of the outstanding problems that the slagcooler of the domestic large CFB boiler is blockage and ash - retention is unhindered to restraint the stability of units, combined with field condition, based on the roller slag - cooler mostly adopts demineralized water as cooling water source, condensate water of steam turbine adopted as cooling water, to apply at the production, it has been resolved thoroughly the heat of boiler slag- cooler is reclaimed for using.