介質(zhì)常用流速范圍(詳表)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上對于長度較短、管徑較小的管路，一般可由常用流速計算其管徑。d=1.3×(W/V)1/2式中：d-管徑 m ；w-體積流量m3/s； v-常用流速 m/s介質(zhì)常用流速范圍介質(zhì)種類管路種類及工況流速范圍(m/s)水及粘度與水相近液體p=0.10.3MPa(表壓）0.52p1MPa(表壓）0.53p8MPa(表壓）23p2030MPa(表壓）23.5熱網(wǎng)循環(huán)水、冷卻水0.51壓力回水0.52無壓回水0.51.2自來水p=0.3MPa(表壓）主管1.53.5支管1.01.5鍋爐給水p0.8MPa（表壓）3.0冷凝水自流0.20.5蒸汽冷凝水0.51.5過熱水2海水、

2、微堿水p0.6MPa(表壓）1.52.5飽和蒸汽DN200mm3040DN=200100mm2535DN100mm1530蒸汽p1MPa(絕壓）1520p=14MPa(絕壓）2040p=412MPa(絕壓）4060過熱蒸汽DN200mm4060DN=200100mm3050DN100mm2040二次蒸汽利用時1530不利用時60壓縮氣體真空510p0.3MPa(表壓）812p0.30.6MPa(表壓）1020p0.61MPa(表壓）1015p12MPa(表壓）812p23MPa(表壓）36p330MPa(表壓）0.53煤氣管路長50100mmp0.03MPa0.753p0.3MPa812p0.

3、8MPa312半水煤氣p0.10.15MPa(表壓）1015天然氣30煙道氣管路內(nèi)34煙道內(nèi)36氧氣p00.05MPa(表壓）510p0.050.6MPa(表壓）78p0.61MPa(表壓）46p12MPa(表壓）p23MPa(表壓）34氮?dú)鈖510MPa(絕壓）25變換氣p0.12MPa(絕壓）1015氮?dú)浠旌蠚鈖2030MPa(絕壓）510氨氣真空1525p0.3MPa（表壓）815p0.6MPa(表壓）1020p2MPa(表壓）38乙烯氣p=22MPa(表壓)30p=150Pa(表壓）56乙炔氣p0.01MPa（表壓）34p0.15MPa(表壓）48p2.5MPa(表壓）25液氨真空0.

4、050.3p0.6MPa(表壓)0.30.8p2.5MPa(表壓)0.81.5硫酸88%100%1.2鹽酸1.5排出廢水0.40.8油及與油相似的液體0.52油及粘度大的液體粘度50×10-3Pa·sDN250.50.9DN500.71DN1001.01.6粘度0.1Pa·sDN250.10.2DN500.160.25DN1000.250.35DN2000.350.55氣體鼓風(fēng)機(jī)吸入管1015排出管1520壓縮機(jī)吸入管1020壓縮機(jī)排出管p1MPa810p=110MPa1020P10MPa812往復(fù)泵吸入管0.51.5排出管12油封式真空泵吸入管1013水及粘度與水相近的液體往復(fù)泵吸入管0.51.5排出管12離心泵吸入管常溫1.52701100