SRZ型散热器主要技术参数

SRZ型散热器主要技术参数来源：中华干燥网日期：2004-8-19型号散热面积(m2)通风净截面积(m2)热介质通过截面积(m2)管排数(排)螺旋翅片管根数(根)连按管①时SRZ5x5D10.130.1540.00433231(1/2)'SRZ5x5Z8.780.155SRZ5x5X6.230.158SZR10x5D19.920.302SRZ10x5Z17.260.306SR10x5X12.220.312SZR12x5D24.860.378SZR6x6D15.330.2310.00553292'SRZ6x6Z13.290.234SRZ6x6X9.430.239SRZ10x6D25.130.381SRZ10x6X21.770.385SRZ10x6Z15.420.393SZR12x6D31.350.475SRZ15x6D37.730.572SRZ15x6Z32.670.579SRZ15x6X23.130.591SRZ7x7D20.310.3200.00633332'SRZ7x7Z17.600.324SRZ7x7X12.480.329SRZ10x7D28.590.450SRZ10x7Z24.770.456SRZ10x7X17.550.464SRZ12x7D35.670.563SRZ15x7D42.930.678SRZ15x7Z37.180.685SRZ15x7X26.320.698SRZ17x7D49.900.788SRZ17x7Z43.210.797SRZ17x7X30.580.812SRZ22x7D62.750.9910.00633332(1/2)'SRZ15x10D62.140.9210.00893472(1/2)'SRZ15x10Z52.950.932SRZ15x10X37.480.951

续表型号尺寸(mm)AA1A2BB1B2nNmMSRZ5x5D49753265850754757355004400SRZ5x5ZSRZ5x5XSZR10x5D1001104110679900SRZ10x5ZSR10x5XSZR12x5D125012901316121200SZR6x6D62365868860964967566005500SRZ6x6ZSRZ6x6XSRZ10x6D100110411069900SRZ10x6XSRZ10x6ZSZR12x6D125012901316121200SRZ15x6D150515451571141400SRZ15x6ZSRZ15x6XSRZ7x7D71874277271075077677006600SRZ7x7ZSRZ7x7XSRZ10x7D1001104110679900SRZ10x7ZSRZ10x7X125012901316121200SRZ12x7D150115451571141400SRZ15x7DSRZ15x7ZSRZ15x7X175017901816171700SRZ17x7DSRZ17x7ZSRZ17x7XSRZ22x7D220222422268212100SRZ15x10D100110631066150515451571101000141400SRZ15x10ZSRZ15x10XSRZ17x10D175017901816171700SRZ17x10ZSRZ17x10XSRZ20x10D200220422068191900选择一、已知条件进风温度：tl°C出风温度：t2C风量（在进风温度情况下）：Gm3/h蒸汽压力：Pkg/cm2二、根据蒸汽压力P,查饱和蒸汽特性表，查得蒸汽饱和温度tH则热效率系数F=（t2-t1）/（tH-tl）三、根据热效率系数F查曲线图，得到相应的几种的散热排管及相应风速V风速范围l.5~7.5m/s根据实际情况选取排管,风速低时需较大的受风面积,风速较高时空气阻力大,不经济四、查空气体积随温度变化表，查得tl时的空气体积修正系数，则理论风量G1（在标准状况下）=GX空气体积修正系数m3/h五、根据选定的风速V,计算所需的排管受风表面积二G1一3600一Vm2六、根据计算得到的排管受风表面积，查上表选取相应规格的散热排管型号七、性能核算1、加热空气所需的热量Q=O.24XG1X1.2X(t2-tl)kcal/h2、实际风速V二G1一3600一实际受风表面积m/s，则实际出风温度t23、空气平均温度=(t1+12)4-2°C,从空气比重修正常数表中查得此温度下的空气比重rkg/m34、流经散热器排管的空气重量流速Vr=V•r/akg/m-sa---散热排管有效通风截面系数R种片距a=0.555M种片距a=0.562T种片距a=0.573C种片距a=0.585R片距3.2mmM片距4.2mmT片距6.5mmC片距5mmD片距5mmX片距8mmZ片距6mm5、根据散热排管传热系数及空气阻力计算公式计算6、根据所选的散热排管型式,查传热系数的修正系数曲线得传热系数修正值散热排管传热系数K及空气阻力AP计算公式加热器型号热媒K(kj/m2・h・°C单片△PX10-ipaSRL-BXA/2蒸汽（1个表压）K=54.6Vp.4H=0.174Vn.67SRL=BXA/3K=54.6Vp.43H=0.309Vri.53SRZ5、6、10DK=49.2Vp.49H=0.18VrZH=0.15VrXK=52.5Vp.532H=0.09VrSRZ7DK=51.7VroiH=0.21VrZH=0.3VrXK=54.6Vp.57iH=0.14Vr7、根据Q=F・K・[t-(t1+12)/2]kcal/hHF=n•sF是总散热面积n是散热器的片数s单片散热器的散热面积m计算出需要的散热片片数后圆整。8、根据上述公式计算实际散热器的散热量及阻力99、型号--通风正截面长度尺寸分米数的化整X通风正截面宽度尺寸分米数的化整，如通风正截面的长为1505mm，宽为1001,大型，片距