SRZ型散熱器主要技術(shù)參數(shù)

SRZ型散熱器主要技術(shù)參數(shù)來源：中華干燥網(wǎng)日期：2004-8-19型號(hào)散熱面積(m2)通風(fēng)凈截面積(m2)熱介質(zhì)通過截面積(m2)管排數(shù)(排)螺旋翅片管根數(shù)(根)連按管①時(shí)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

續(xù)表型號(hào)尺寸(mm)AA1A2BB1B2nNmMSRZ5x5D49753265850754757355004400SRZ5x5ZSRZ5x5XSZR10x5D1001104110679900SRZ10x5ZSR10x5XSZR12x5D125012901316121200SZR6x6D62365868860964967566005500SRZ6x6ZSRZ6x6XSRZ10x6D100110411069900SRZ10x6XSRZ10x6ZSZR12x6D125012901316121200SRZ15x6D150515451571141400SRZ15x6ZSRZ15x6XSRZ7x7D71874277271075077677006600SRZ7x7ZSRZ7x7XSRZ10x7D1001104110679900SRZ10x7ZSRZ10x7X125012901316121200SRZ12x7D150115451571141400SRZ15x7DSRZ15x7ZSRZ15x7X175017901816171700SRZ17x7DSRZ17x7ZSRZ17x7XSRZ22x7D220222422268212100SRZ15x10D100110631066150515451571101000141400SRZ15x10ZSRZ15x10XSRZ17x10D175017901816171700SRZ17x10ZSRZ17x10XSRZ20x10D200220422068191900選擇一、已知條件進(jìn)風(fēng)溫度：tl°C出風(fēng)溫度：t2C風(fēng)量（在進(jìn)風(fēng)溫度情況下）：Gm3/h蒸汽壓力：Pkg/cm2二、根據(jù)蒸汽壓力P,查飽和蒸汽特性表，查得蒸汽飽和溫度tH則熱效率系數(shù)F=（t2-t1）/（tH-tl）三、根據(jù)熱效率系數(shù)F查曲線圖，得到相應(yīng)的幾種的散熱排管及相應(yīng)風(fēng)速V風(fēng)速范圍l.5~7.5m/s根據(jù)實(shí)際情況選取排管,風(fēng)速低時(shí)需較大的受風(fēng)面積,風(fēng)速較高時(shí)空氣阻力大,不經(jīng)濟(jì)四、查空氣體積隨溫度變化表，查得tl時(shí)的空氣體積修正系數(shù)，則理論風(fēng)量G1（在標(biāo)準(zhǔn)狀況下）=GX空氣體積修正系數(shù)m3/h五、根據(jù)選定的風(fēng)速V,計(jì)算所需的排管受風(fēng)表面積二G1一3600一Vm2六、根據(jù)計(jì)算得到的排管受風(fēng)表面積，查上表選取相應(yīng)規(guī)格的散熱排管型號(hào)七、性能核算1、加熱空氣所需的熱量Q=O.24XG1X1.2X(t2-tl)kcal/h2、實(shí)際風(fēng)速V二G1一3600一實(shí)際受風(fēng)表面積m/s，則實(shí)際出風(fēng)溫度t23、空氣平均溫度=(t1+12)4-2°C,從空氣比重修正常數(shù)表中查得此溫度下的空氣比重rkg/m34、流經(jīng)散熱器排管的空氣重量流速Vr=V?r/akg/m-sa---散熱排管有效通風(fēng)截面系數(shù)R種片距a=0.555M種片距a=0.562T種片距a=0.573C種片距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、根據(jù)散熱排管傳熱系數(shù)及空氣阻力計(jì)算公式計(jì)算6、根據(jù)所選的散熱排管型式,查傳熱系數(shù)的修正系數(shù)曲線得傳熱系數(shù)修正值散熱排管傳熱系數(shù)K及空氣阻力AP計(jì)算公式加熱器型號(hào)熱媒K(kj/m2?h?°C單片△PX10-ipaSRL-BXA/2蒸汽（1個(gè)表壓）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、根據(jù)Q=F?K?[t-(t1+12)/2]kcal/hHF=n?sF是總散熱面積n是散熱器的片數(shù)s單片散熱器的散熱面積m計(jì)算出需要的散熱片片數(shù)后圓整。8、根據(jù)上述公式計(jì)算實(shí)際散熱器的散熱量及阻力99、型號(hào)--通風(fēng)正截面長度尺寸分米數(shù)的化整X通風(fēng)正截面寬度尺寸分米數(shù)的化整，如通風(fēng)正截面的長為1505mm，寬為1001,大型，片距