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钢套钢蒸汽保温管技术参数_钢套钢蒸汽保温管-沧州桐福管道有限公司

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钢套钢蒸汽保温管技术参数
作者:tongfu来源:本站发布时间:2020-09-04浏览次数:24

钢套钢直埋蒸汽保温管厂家型号表



直埋蒸汽保温管的标准保温厚度
(CJ/T200-2000) T=200℃
序号公称直径
D0lnDW=(45*lnD0+10.88or12.66)/52.35
σ=(DW-D0)/2
DW保温厚度
σ
1DN50450.057-2.864710.8852.35-2.254660.10490924.0
2DN70450.076-2.5770210.8852.35-2.007370.13434129.2
3DN80450.089-2.4191210.8852.35-1.871640.15387132.4
4DN100450.108-2.2256210.8852.35-1.705310.18171636.9
5DN125450.133-2.0174110.8852.35-1.526330.21733242.2
6DN150450.159-1.8388512.6652.35-1.338840.26214951.6
7DN200450.219-1.5186812.6652.35-1.063620.34520263.1
8DN250450.273-1.2982812.6652.35-0.874170.41720872.1
9DN300450.325-1.1239312.6652.35-0.72430.48466679.8
10DN350450.377-0.9755112.6652.35-0.596710.55061886.8
11DN400450.426-0.8533212.6652.35-0.491680.61160192.8
12DN450450.478-0.7381412.6652.35-0.392670.67524998.6
13DN500450.53-0.6348812.6652.35-0.303910.73793104.0
14DN600450.63-0.4620412.6652.35-0.155330.856131113.1
15DN700450.72-0.328512.6652.35-0.040550.960263120.1
直埋蒸汽保温管的标准保温厚度
(CJ/T200-2000) T=250℃
序号公称直径
D0lnDW=(45*lnD0+16or18.6)/55.8
σ=(DW-D0)/2
DW保温厚度
σ
1DN50450.057-2.86471655.8-2.023510.13219137.6
2DN70450.076-2.577021655.8-1.791510.16670945.4
3DN80450.089-2.419121655.8-1.664160.18934950.2
4DN100450.108-2.225621655.8-1.508120.22132656.7
5DN125450.133-2.017411655.8-1.34020.26179364.4
6DN150450.159-1.8388518.655.8-1.149610.3167678.9
7DN200450.219-1.5186818.655.8-0.891410.41007795.5
8DN250450.273-1.2982818.655.8-0.713670.489843108.4
9DN300450.325-1.1239318.655.8-0.573060.563797119.4
10DN350450.377-0.9755118.655.8-0.453370.635484129.2
11DN400450.426-0.8533218.655.8-0.354820.701296137.6
12DN450450.478-0.7381418.655.8-0.261940.769554145.8
13DN500450.53-0.6348818.655.8-0.178670.836386153.2
14DN600450.63-0.4620418.655.8-0.039280.961485165.7
15DN700450.72-0.328518.655.80.0684111.070805175.4
直埋蒸汽保温管的标准保温厚度
(CJ/T200-2000) T=300℃
序号公称直径
D0lnDW=(45*lnD0+21.48or24.98)/59.5
σ=(DW-D0)/2
DW保温厚度
σ
1DN50450.057-2.864721.4859.5-1.805570.1643853.7
2DN70450.076-2.5770221.4859.5-1.5880.20433464.2
3DN80450.089-2.4191221.4859.5-1.468580.23025370.6
4DN100450.108-2.2256221.4859.5-1.322240.26653879.3
5DN125450.133-2.0174121.4859.5-1.164760.31199789.5
6DN150450.159-1.8388524.9859.5-0.97090.378744109.9
7DN200450.219-1.5186824.9859.5-0.728750.482511131.8
8DN250450.273-1.2982824.9859.5-0.562060.570032148.5
9DN300450.325-1.1239324.9859.5-0.43020.65038162.7
10DN350450.377-0.9755124.9859.5-0.317950.72764175.3
11DN400450.426-0.8533224.9859.5-0.225530.798091186.0
12DN450450.478-0.7381424.9859.5-0.138430.870725196.4
13DN500450.53-0.6348824.9859.5-0.060330.941456205.7
14DN600450.63-0.4620424.9859.50.0703931.07293221.5
15DN700450.72-0.328524.9859.50.1713831.186946233.5
直埋蒸汽保温管的标准保温厚度
(CJ/T200-2000) T=350℃
序号公称直径
D0lnDW=(45*lnD0+28or32.5)/63.9
σ=(DW-D0)/2
DW保温厚度
σ
1DN50450.057-2.86472863.9-1.579210.20613774.6
2DN70450.076-2.577022863.9-1.376620.2524388.2
3DN80450.089-2.419122863.9-1.265420.28212196.6
4DN100450.108-2.225622863.9-1.129160.323306107.7
5DN125450.133-2.017412863.9-0.982520.374365120.7
6DN150450.159-1.8388532.563.9-0.786360.455501148.3
7DN200450.219-1.5186832.563.9-0.560890.570702175.9
8DN250450.273-1.2982832.563.9-0.405680.666525196.8
9DN300450.325-1.1239332.563.9-0.282890.753601214.3
10DN350450.377-0.9755132.563.9-0.178370.836631229.8
11DN400450.426-0.8533232.563.9-0.092320.911814242.9
12DN450450.478-0.7381432.563.9-0.011210.98885255.4
13DN500450.53-0.6348832.563.90.061511.063441266.7
14DN600450.63-0.4620432.563.90.183231.201091285.5
15DN700450.72-0.328532.563.90.2772661.319518299.8
备注:1、管道当量埋深0.8米。
2、管道中心埋设深度DN150以内1.1米,DN150以外1.4米。
3、保温层材料在运行温度下的导热系数300度0.058W/(m*K)、350度0.063W/(m*K)。
4、土的导热系数1.5W/(m*K)。
5、直埋保温管管道周边环境温度20度。
6、工作管外表面温度,可按介质温度。
7、保温管外表面温度,按设计要求(标准50度)。






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