乙烯補充罐
低溫液態乙烯補充罐為盛裝液態乙烯的專用深冷容器,其結構為內外容器組成的雙層容器,為真空粉末絕熱型式,可分為立式和臥式兩類,內容器材料選S30408,外容器材料Q345R,內、外容器夾層充填絕熱材料珠光砂并抽真空。
容器名稱Name of vessel |
液態乙烯補充罐 Liquid ethylene storage tank |
容器類別Category of vessel |
第Ⅱ類 , Ⅱ category |
設計壓力(內容器/外容器) MPa Design pressure(inner shell/outer shell) |
0.9 /-0.1 |
設計溫度(內容器/外容器) ℃ Design temperature(inner shell /outer shell) |
-196 / -19.4/66 |
全容積Full volume m3 |
5.55 |
充滿率Fill level % |
90 |
貯存介質Storage medium |
液態乙烯 Liquid ethylene |
主要受壓元件材料(內容器/外容器) Material of main pressure part(inner shell/outer shell) |
S30408 / Q345R |
焊接接頭系數(內容器/外容器) Welded joint coefficient(inner shell/outer shell) |
1.0 / 0.85 |
直徑(內容器/外容器) mm Diameter(inner shell/outer shell) |
Φ1400 / Φ1800 |
壁厚(內容器/外容器) mm Thick(inner shell/outer shell) |
8 / 8 |
絕熱形式Heat insulation type |
真空粉末絕熱(珠光砂)Vaccum powder heat insulation(pearlife) |
結構形式Structure type |
臥式,支撐低溫絕熱環氧玻璃管+徑向支撐 Horizontal type, supporting low temperature heat insulation epoxy glass tube+radial support |
日蒸發率Evaporation rate per day |
< 0.35% / d (按液氮計)(On liquid nitrogen count) |