介质动力计算书及结果汇总表

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WDLZ240/9.8-2型锅炉介质动力计算书及结果汇总表SJD144-15共6张第1张目录屏式过热器第2页高温过热器热段第3页高温过热器冷段第4页低温过热器第5页汇总表第6页说明：本计算书依据科学出版《锅炉原理及计算》中的相关标准编写。WDLZ240/9.8-2型锅炉介质动力计算书及结果汇总表SJD144-15共6张第2张名称符号公式及计算数值单位一、屏式过热器流量DSJD144-1240t/h排数ZSJD144-1512每排根数nSJD144-1516.00管子内径dnSJD144-150.0320m介质平均温度tSJD144-1404.85℃介质压力pSJD144-110.72Mpa介质比容v蒸汽表0.0244m3/kg介质流速wD*v/A22.40m/s管子长度LSJD144-1517.69m摩擦阻力系数λ14[lg(3700dn/k)]20.0230沿程阻力ΔhIkΔλLw2dn2y0.2615Mpa局部阻力系数ζΣζi4.00局部阻力Δh2ζw22v0.0411Mpa集箱管子进出口阻力系数ζr1.10集箱局部阻力Δh30.0452Mpa屏式过热器阻力hΣΔhi0.348MpaWDLZ240/9.8-2型锅炉介质动力计算书及结果汇总表SJD144-15共6张第3张名称符号公式及计算数值单位二、高温过热器热段流量DSJD144-1240t/h排数ZSJD144-1338每排根数nSJD144-133.00管子内径dnSJD144-130.0320m介质平均温度tSJD144-1511.80℃介质压力p9.80Mpa介质比容v蒸汽表0.0339m3/kg介质流速wD*v/A18.10m/s管子长度LSJD144-1324.21m摩擦阻力系数λ14[lg(3700dn/k)]20.0230沿程阻力ΔhIkΔλLw2dn2y0.1682Mpa局部阻力系数ζΣζi4.00局部阻力Δh2ζw22v0.0193Mpa集箱管子进出口阻力系数ζr1.10集箱局部阻力Δh30.0213Mpa集汽集箱连接管内径dnl0.1250m连接管流速w’46.04m/s连接管长度Ll12.6300m连接管阻力系数λ0.0165Mpa连接管沿程阻力Δh40.0002Mpa高温过热器冷段阻力hΣΔhi0.209MpaWDLZ240/9.8-2型锅炉介质动力计算书及结果汇总表SJD144-15共6张第4张名称符号公式及计算数值单位三、高温过热器冷段流量DSJD144-1240t/h排数ZSJD144-1342每排根数nSJD144-133.00管子内径dnSJD144-130.0320m介质平均温度tSJD144-1472.20℃介质压力p10.26Mpa介质比容v蒸汽表0.0299m3/kg介质流速wD*v/A14.50m/s管子长度LSJD144-1324.21m摩擦阻力系数λ14[lg(3700dn/k)]20.0230沿程阻力ΔhIkΔλLw2dn2y0.1224Mpa局部阻力系数ζΣζi4.00局部阻力Δh2ζw22v0.0141Mpa集箱管子进出口阻力系数ζr1.10集箱局部阻力Δh30.0155Mpa高温过热器冷段阻力hΣΔhi0.152MpaWDLZ240/9.8-2型锅炉介质动力计算书及结果汇总表SJD144-15共6张第5张名称符号公式及计算数值单位三、低温过热器热段流量DSJD144-1240/r