乙烯补充罐
低温液态乙烯补充罐为盛装液态乙烯的专用深冷容器,其结构为内外容器组成的双层容器,为真空粉末绝热型式,可分为立式和卧式两类,内容器材料选S30408,外容器材料Q345R,内、外容器夹层充填绝热材料珠光砂并抽真空。
|
容器名称Name of vessel |
液态乙烯补充罐 Liquid ethylene storage tank |
|
容器类别Category of vessel |
第Ⅱ类 , Ⅱ category |
|
设计压力(内容器/外容器) MPa Design pressure(inner shell/outer shell) |
0.9 /-0.1 |
|
设计温度(内容器/外容器) ℃ Design temperature(inner shell /outer shell) |
-196 / -19.4/66 |
|
全容积Full volume m3 |
5.55 |
|
充满率Fill level % |
90 |
|
贮存介质Storage medium |
液态乙烯 Liquid ethylene |
|
主要受压元件材料(内容器/外容器) Material of main pressure part(inner shell/outer shell) |
S30408 / Q345R |
|
焊接接头系数(内容器/外容器) Welded joint coefficient(inner shell/outer shell) |
1.0 / 0.85 |
|
直径(内容器/外容器) mm Diameter(inner shell/outer shell) |
Φ1400 / Φ1800 |
|
壁厚(内容器/外容器) mm Thick(inner shell/outer shell) |
8 / 8 |
|
绝热形式Heat insulation type |
真空粉末绝热(珠光砂)Vaccum powder heat insulation(pearlife) |
|
结构形式Structure type |
卧式,支撑低温绝热环氧玻璃管+径向支撑 Horizontal type, supporting low temperature heat insulation epoxy glass tube+radial support |
|
日蒸发率Evaporation rate per day |
< 0.35% / d (按液氮计)(On liquid nitrogen count) |



