033������������������������������,绝热过程中1.033的调整系数是指调整损耗吗

设备筒体或管道绝热、防潮和保护层计算公式:V=π×(D+1.033δ)×1.033δ         5-1S=π×(D+2.1δ+0.0082)×L           5-2式中:D-设备筒体或管道直径;1.033、2.1-调整系数;δ-绝热层厚度;L-设备筒体和管道长;0.0082-捆扎线直径或钢带厚。

2.伴热管道绝热工程量计算式:

(1)单管伴热或双管伴热(管径相同,夹角小于90°时):D'=D(1)+D(2)+(10~20mm)              5-3式中:D'-伴热管道综合值;D(1)-主管道直径;D(2)-伴热管道直径;

(10~20mm)-主管道与伴热管道之间的间隙。

(2)双管伴热(管径相同,夹角大于90°时):D'=D(1)+1.5D(2)+(10~20mm)           5-4

(3)双管伴热(管径相同,夹角小于90°时):D'=D(1)+D伴大+(10~20mm)           5-5式中:D'-伴热管道综合值;D(1)-主管道直径。将上述D'计算结果分别代入分式5-2、5-3,计算出伴热管道的绝热层、防潮层和保护层工程量。

3.设备封头绝热、防潮和保护层工程量计算分式:V=[(D+1.033δ)/2]2×π×1.033δ×1.5×N   5-6S=[(D+2.1δ)/2]2×π×1.5×N   5-7式中;N-封头个数。

4.阀门绝热、防潮和保护层计算公式:V=π×(D+1.033δ)×2.5D×1.033δ×1.05×N  5-8S=π×(D+2.1δ)×2.5D×1.05×N  5-9式中:N-阀门个数。

5.法兰绝热、防潮和保护层计算公式:V=π×(D+1.033δ)×1.5D×1.033δ×1.05×N  5-10S=π×(D+2.1δ)×1.5D×1.05×N  5-11式中:N-法兰个数

6.弯头绝热、防潮和保护层计算公式:V=π×(D+1.033δ)×1.5D×2π×1.033δ×N/B    5-12S=π×(D+2.1δ)×1.5D××2π×N/B    5-13式中:N-弯头个数;B取定值为:90°弯头B=4;45°弯头B=8。

7.拱顶罐封头绝热、防潮和保护层计算公式:V=2πr×(h+1.033δ)×1.033δ        5-14S=2πr×(h+2.1δ)         5-15式中:h-封头垂直高度

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