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當前位置：靜態(tài)混合器 > 選型指導(dǎo) > 管道混合器選型計算表管道混合器選型計算表
管道混合器選型計算表
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應(yīng)用范圍 |
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a |
液液混合 |
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b |
液氣混合 |
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c |
液固混合 |
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d |
氣氣混合 |
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e |
強化傳熱 |
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靜態(tài)混合器的技術(shù)參數(shù)與壓力降計算 |
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（1） |
各種靜態(tài)混合器的使用范圍 |
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流體特性 |
流狀 |
流速m/s |
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中、高粘度 |
層流 |
0.1～0.3 |
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低、中粘度 |
過渡流或湍流 |
0.3～0.8 |
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（2） |
靜態(tài)混合器的長度與混合效果 |
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（3） |
靜態(tài)混合器的壓力降計算 |
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物流一工作溫度T1 |
40 |
℃ |
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物流一體積流量V1 |
80 |
m3/h |
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物流二工作溫度T2 |
40 |
℃ |
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物流二體積流量V2 |
2 |
m3/h |
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物流一密度ρ1 |
710 |
kg/m3 |
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物流一粘度μ1 |
0.0289 |
Pa.s |
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物流二密度ρ2 |
1000 |
kg/m3 |
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物流二粘度μ2 |
0.02 |
Pa.s |
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物流一輸送壓力P1 |
1.6 |
Mpa（G） |
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靜態(tài)混合器允許壓降△P |
0.3 |
Mpa（G） |
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物流二輸送壓力P2 |
1.6 |
Mpa（G） |
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靜態(tài)混合器直徑D |
0.2 |
m |
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初選L/D |
10 |
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靜態(tài)混合器型號 |
SK |
（根據(jù)流體的粘度判斷） |
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物流體積流量V |
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82.0 |
m3/h |
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工作條件下連續(xù)相流體密度ρc |
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710 |
kg/m3 |
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工作條件下連續(xù)相粘度μ |
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0.0289 |
Pa.s |
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流體流速u |
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0.73 |
m/s |
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混合器長度L |
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2 |
m |
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a |
SV、SX、SL型計算 |
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空隙率ε |
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1 |
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（查表） |
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水力直徑dh |
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15 |
mm |
（查表） |
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雷諾數(shù)Re |
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267.2 |
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摩擦系數(shù)f |
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3.18 |
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壓力降△P |
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79110 |
Pa |
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結(jié)論 |
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選型正確 |
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b |
SH、SK型計算 |
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雷諾數(shù)ReD |
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3562.47627 |
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摩擦系數(shù)f |
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3.18 |
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壓力降△P |
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5933.2 |
Pa |
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結(jié)論 |
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選型正確 |
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c |
氣－氣混合壓力降計算公式 |
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氣－氣混合一般均采用SV型靜態(tài)混合器 |
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水力直徑dh |
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15 |
mm |
（查表） |
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壓力降△P |
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0.62838168 |
Pa |
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結(jié)論 |
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選型正確 |
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SX |
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ReD |
摩擦系數(shù)f |
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≤13 |
0.879538022 |
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13～70 |
5.225856713 |
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70～2000 |
7.542287686 |
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≥2000 |
5.11 |
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SH |
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ReD |
摩擦系數(shù)f |
判斷數(shù)據(jù) |
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≤30 |
0.982462684 |
0 |
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30～320 |
10.5609083 |
0 |
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＞320 |
25.28340066 |
25.2834 |
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SK |
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ReD |
摩擦系數(shù)f |
判斷數(shù)據(jù) |
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≤23 |
0.120702558 |
0 |
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23～300 |
1.572556516 |
0 |
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300 ～11000 |
3.1794 |
3.17936 |
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＞11000 |
2.53 |
0 |
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SL |
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ReD |
摩擦系數(shù)f |
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≤10 |
0.583863538 |
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10～100 |
2.414047941 |
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100～3000 |
3.435002366 |
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≥3000 |
2.1 |
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SX |
7.542287686 |
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SH |
25.28340066 |
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SK |
3.179360435 |
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SL |
3.435002366 |
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SV-2.3 |
2.242836191 |
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SV-3.5 |
1.448857843 |
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SV-5 |
1 |
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SV-7 |
1 |
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SV-15 |
1 |
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