换热器选型相关资料0806.doc

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1、采暖系统管径与流量、摩阻关系Pa/m=0.1mm/m=0.0001m/m管径DN流量m3/h流速m/s摩阻Pa/m320.60.227.51.00.3473.11.40.47143.2401.00.2324.41.40.3247.42.00.46104501.80.2726.12.20.3336.23.00.4471.24.00.59126.5654.00.3122.86.00.4344.57.00.5469.6100.78142.2807.00.3827.9100.5556.8120.6681.7150.82127.5100

2、120.4428.5160.5950.7200.7479.2260.96133.4125220.5229.4300.7154.6360.8578.6451.06122.6150380.6233.4480.7953.3621.0288.9741.21126.5200800.6927.11201.0360.91601.38107.61801.55137.32501600.8934.62201.2365.42601.4591.43001.68121.63002801.0840.23401.3255.24201.6290.55001.

3、93128.5K=0.5mm，t=100℃条件下说明：（1）建议管内流速控制在1.0-2.5m/s间，最大3.0m/s。（2）对水水型管子占筒体面积的40%左右，壳程占60%左右，有时考虑流体内外改换，需要考虑壳程流速问题。管内1.0-2.5m/s，管外0.5-1.5m/s，管内外流速比2：1。Φ16×1.0的换热管布管数(汽水型)管径（DN）管程数管子根数流通面积（m2）流通量（m3/h）1.5m/s-2.5m/s1米长换热外面积（m2）1591230.0035118.9-31.21.15552191450.0068537.

4、0-61.42.26082731780.0118964.2-106.63.918732511180.0179897.1-160.25.928335011600.02439131.7-218.68.038440012220.03385182.7-303.311.153245012840.04330233.7-387.914.268150013780.05763311.0-516.318.990760015240.07989431.2-715.826.325770017660.11678630.3-1046.338.4838Φ16

5、×1.0的换热管布管数(汽水、水水型)管径（DN）管程数管子根数流通面积（m2）流通量（m3/h）1.5m/s-2.5m/s1米长换热外面积（m2）1592180.001377.4-12.30.90432192400.0030416.5-27.32.00962732720.0054929.6-49.23.617332521060.0080743.6-72.45.325435021460.0111360.1-99.87.335040022260.0172393.0-154.411.354245022660.02027109.5-

6、181.813.363850023580.02729147.4-244.617.985960025000.03811205.8-341.625.120070027360.05610303.0-502.936.976680029620.07333396.0-657.348.3309900212040.09178495.6-822.760.489Φ16×1.2的换热管布管数(汽水型)管径（DN）管程数管子根数流通面积（m2）流通量（m3/h）1.5m/s-2.5m/s1米长换热外面积（m2）1591230.0033418.0-29

7、.91.15552191450.0065335.3-58.62.26082731780.0113361.1-101.43.918732511180.0171392.5-153.65.928335011600.02323125.4-208.28.038440012220.03224174.0-288.811.153245012840.04124222.6-369.514.268150013780.05489296.2-491.718.990760015240.07609410.6-681.626.325770017660.111

8、22600.3-996.538.4838Φ16×1.2的换热管布管数(汽水、水水型)管径（DN）管程数管子根数流通面积（m2）流通量（m3/h）1.5m/s-2.5m/s1米长换热外面积（m2）1592180.001317.1-11.80.90432192400.002901