I=(4.773-2.406)×1.72/2=2.04III=[(2.406-1.2)+(1.594-1.2)]×4.38/2=3.50IV=(4.773-1.2)×(3-1.72)=4.57V=[(2-1.2)+(3.06-1.2)]×1.46/2=1.94VI=[(8.696-4.773)+(8.206-4.773)]×0.25/2=0.92F1=(14.40+2.04+3.50+4.57+1.94+0.92)*254.752后墙总面积F2AJ=1.594-1.2=0.39AB=(2.406-1.594)/sin10.5°=4.46BC=(4.773-2.406)/sin54°=2.13CD=8.206-4.773=3.43DE=0.25/sin27°=0.55EF=10.379-8.696=1.68F2=(0.39+4.46+2.13+3.43+0.55+1.68)×3.1940.333前、顶墙总面积F3FG=(10.379-9.642)/sin15°=2.85GH=9.642-3.060=6.58HI=(3.060-2)/sin36°=1.80IK=2-1.2=0.8F3=(2.85+6.58+1.80+0.8)×3.1938.394炉墙总面积FF1+F2+F3=54.75+40.33+38.39133.475炉排有效面积R7.3*3.0422.196炉膛周界面积FlF+R155.667炉膛容积VlF1×3.19/287.33辐射受热面积的计算图3-2炉膛包覆面积图3-3前后墙辐射受热面表3-7受热面计算表序号名称符号公式及来源数值1水冷壁管径按结构设计0.0602前、顶墙水冷壁管节距按结构设计0.1043管中心到墙距离按结构设计0.03004管根数按结构设计285光管有效角系数查线图C2(,)0.876曝光长度HI+HG+GF=1.8+6.58+2.8511.23
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