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,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
,0-1,风罩1,30,18,0.0279,188.4,19.84,0.08,,,1.587,1.587,-21.424,-21.424
1,1-2,风管,30,18,0.0279,188.4,19.84,,2.106,1,2.106,3.693,-2.106,-23.529
,2-3,弯管(90°),30,18,0.0435,235.5,19.84,0.39,,,7.736,11.429,-7.736,-31.266
,3-4,风管,30,18,0.0279,188.4,19.84,,2.106,15,31.587,43.016,-31.587,-62.853
,4-5,弯管(90°),30,18,0.1115,376.8,19.84,0.39,,,7.736,50.753,-7.736,-70.589
,5-6,风管,30,18,0.0279,188.4,19.84,,2.106,10,21.058,71.811,-21.058,-91.647
,6-7,合流管主管,50,18,0.0279,188.4,19.84,0.2,,,3.967,75.778,-3.967,-95.615
,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
,0`-1`,风罩2,20,18,0.0185,153.70,19.84,0.99,,,19.638,19.638,-39.475,-39.475
,1`-2`,风管,20,18,0.0185,153.70,19.84,,2.581,1,2.581,22.220,-2.581,-42.056
2,2`-3`,弯管(90°),20,18,0.0290,192.13,19.84,0.39,,,7.736,29.956,-7.736,-49.793
,3`-4`,风管,20,18,0.0185,153.70,19.84,,2.581,4.5,11.616,41.571,-11.616,-61.408
,4`-5`,弯管(90°),20,18,0.0742,307.40,19.84,0.39,,,7.736,49.308,-7.736,-69.145
,5`-6`,风管,20,18,0.0185,153.70,19.84,,2.581,6,15.487,64.795,-15.487,-84.632
,6`-7`,弯管(90°),20,18,0.0742,307.40,19.84,0.39,,,7.736,72.531,-7.736,-92.368
,7`-8`,风管,20,18,0.0185,153.70,19.84,,2.581,4,10.325,82.856,-10.325,-102.693
,8`-9`,弯管(60°),20,18,0.0742,307.40,19.84,0.15,,,2.976,85.832,-2.976,-105.669
,9`-7,合流管主管,50,18,0.0185,153.70,19.84,0.28,,,5.554,91.386,-5.554,-111.223
,,,,,,,,,,,,,,,
结论1,,·按照并联压力损失相等的原理:,,(0-7)的压力损失等于(0`-7)的压力损失,,,,(0`-7)直管压损系数*速度压Pv1=,,54.75,,∴(0`-7)局部阻力系数=,,3.82
,,∴(0-7)局部阻力系数*速度压=,,91.39,,,,直管的压损阻力系数=,2.76,,,,,
,,,∴速度压=,23.92,风速=,19.97,,,,,,,,
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
修正1,0-1,风罩,30,19.97,0.0250,178.60,23.92,0.08,,,1.914,1.914,-25.836,-25.836
,,所有风管,30,19.97,0.0250,178.60,23.92,,2.679,26,69.651,71.564,-69.651,-95.487
,2-3,弯管(90),30,19.97,0.0250,223.25,23.92,0.39,,,9.330,80.894,-9.330,-104.817
,4-5,弯管(90),30,19.97,0.0250,357.20,23.92,0.39,,,9.330,90.224,-9.330,-114.147
,6-7,合流管,50,19.97,0.0417,230.57,23.92,0.2,,,4.785,95.008,-4.785,-118.931
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
主管,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
,7-8,风管主管,50,19.47,0.0428,233.5,23.21,,1.988,7.5,14.910,109.919,-38.120,-157.051
,8-9,合流主管,75,19.47,0.0642,285.98,23.21,0.2,,,4.642,114.561,-4.642,-161.693
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
3,0``-1``,风罩,25,18.00,0.0231,172.1,19.84,0.25,,,4.959,4.959,-24.796,-24.796
,1``-2``,风管,25,18.00,0.0233,172.1,19.84,,2.305,4,9.221,14.180,-9.221,-34.017
,2``-3``,弯管(90),25,18.00,0.0363,215.1,19.84,0.39,,,7.736,21.917,-7.736,-41.753
,3``-4``,风管,25,18.00,0.0233,172.1,19.84,,2.305,3,6.916,28.832,-6.916,-48.669
,4``-5``,弯管(90),25,18.00,0.0523,258.2,19.84,0.39,,,7.736,36.569,-7.736,-56.405
,5``-6``,风管,25,18.00,0.0233,172.1,19.84,,2.305,5,11.526,48.095,-11.526,-67.932
,6``-7``,弯管(90),25,18.00,0.0523,258.2,19.84,0.39,,,7.736,55.831,-7.736,-75.668
,7``-8``,风管,25,18.00,0.0233,172.1,19.84,,2.305,4,9.221,65.052,-9.221,-84.889
,8``-9``,弯管(60),25,18.00,0.0523,258.2,19.84,0.15,,,2.976,68.028,-2.976,-87.865
,9``-9,合流管,75,18.00,0.0233,172.1,19.84,0.28,,,5.554,73.582,-5.554,-93.419
,,,,,,,,,,,,,,,
结论1,,·按照并联压力损失相等原理:,,(0-9)的压损等于(0``-9``)的压损:,,,(0``-9``)直管压损系数*速度压Pv1=,,,36.88,,∴(0``-9``)局部阻力系数=,,3.71
,,(0``-9``)局部阻力系数*速度压=,,114.56,,,,直管的压损系数=,,1.86,,,,
,,,∴速度压=,30.88,,,,,,,,,,
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
修正3,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
,0``-1``,风罩,25,22.69,0.0184,152.96,30.88,0.25,,,7.721,7.721,-38.605,-38.605
,,所有风管,25,22.69,0.0184,152.96,30.88,,4.038,16,64.613,72.334,-64.613,-103.218
,2``-3``,弯管(90),25,22.69,0.0184,191.19,30.88,0.39,,,12.045,84.379,-12.045,-115.263
,4``-5``,弯管(90),25,22.69,0.0184,229.43,30.88,0.39,,,12.045,96.423,-12.045,-127.307
,6``-7``,弯管(90),25,22.69,0.0184,229.43,30.88,0.39,,,12.045,108.468,-12.045,-139.352
,8``-9``,弯管(60),25,22.69,0.0184,229.43,30.88,0.15,,,4.633,113.101,-4.633,-143.985
,9``-9,合流管,75,22.69,0.0551,264.93,30.88,0.28,,,8.648,121.748,-8.648,-152.632
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
4,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力合,,静压合
,9-10,风管主管,75,19.45,0.0643,286.1,23.17,,1.620,8,12.958,127.519,-12.958,-174.651
,10-11,旋风除尘器,,静压损失为=PR-(PV1-PV2)=,,,62.95,,,,80.000,207.519,-62.952,-237.603
,11-12,风管,75,10,0.1256,400,6.12,,0.306,1.5,0.459,207.978,-0.459,-238.062
,12-13,弯管(90),75,10,0.1963,500,6.12,0.39,,,2.388,210.365,-2.388,-240.450
,13-14,风管,75,10,0.1256,400,6.12,,0.306,1.5,0.459,210.825,-0.459,-240.909
,14-15,弯管(90),75,10,0.1963,500,6.12,0.39,,,2.388,213.212,-2.388,-243.297
,15-16,风管,75,10,0.1256,400,6.12,,0.306,2.5,0.765,213.978,-0.765,-244.062
,16-17,弯管(90),75,10,0.1963,500,6.12,0.39,,,2.388,216.365,-2.388,-246.450
,17-18,风管,75,10,0.1256,400,6.12,,0.306,1.5,0.459,216.825,-0.459,-246.909
,,,,,,,,,,,,,,,
,编号,名称,排风量(Q),风速(V),面积(A),管径(D),速度压(Pv),压损系数/局部阻力系数,直管(mmH2O/m),,压力损失(mmH2O/m),,静压(mmH2O/m),
,,,(m³/min),m/s,(m2),(mm),(mmH2O),,直管平均比摩组,长度(M),,局部阻力
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