基于美国标准的火力发电厂钢煤斗设计

Steel scuttle design in thermal power plant based on Aamerican Standard

中东地区某660 MW燃煤发电厂采用美国标准进行结构设计.在钢煤斗设计中,执行美国标准,利用STAAD.Pro软件针对该超大异型矩形悬挂式钢煤斗建立了有限元模型,综合考虑了恒荷载、活荷载等的影响,计算得到了煤斗各个部位的应力和位移信息.通过改变壁厚、加劲肋间距、加劲肋截面等相关参数对有限元模型进行反复计算,最终确定了该煤斗加劲肋的布置方案.相关计算结果为超大异型矩形钢煤斗在美国标准下的设计工作提供了一定的参考.

The structural design of an overseas thermal power plant adopts American Standard.In the design of super special-shaped steel coal scuttle,the finite element model of the coal scuttle is established by STAAD.Pro.Dead load and live load are comprehensively considered.The stress and displacement of the coal scuttle are obtained.Repeated calculations are carried out through changing the thickness of wall,spacing distance of stiffeners and sections of stiffeners,the arrangement of stiffener is then determined.The results may provide some references for the design of special-shaped coal scuttle according to American Standard.