低溫換熱器
含硫甲醇氨冷器是利用液氨蒸發使含硫富甲醇溫度降低，閃蒸時CO2、H2S少解析的工藝設備，是低溫甲醇洗工藝裝置設備之一。
|
序號Serial number |
名稱Name |
參數Parameter |
|
|
1 |
換熱器型號Model of heat exchanger |
BKU |
|
|
2 |
容器類別Category of vessel |
第Ⅱ/D2類 Ⅱ/D category |
|
|
3 |
換熱面積（m2） Heat exchange area |
117.4 |
|
|
4 |
使用壽命(年) Service life (year) |
10 |
|
|
5 |
主要受壓元件材料Material of main pressure part |
09MnNiDR、09MnNiDⅢ、09MnD |
|
|
6 |
|
殼程Shell side |
管程Tube side |
|
7 |
設計壓力(MPa) Design pressure |
2.5/FV |
6.5 |
|
8 |
設計溫度（℃） Design temperature |
－50/50 |
－50/50 |
|
9 |
環境溫度（℃） Environment temperature |
37.7/－22.9 |
|
|
10 |
液壓試驗壓力(MPa )Hydraulic test pressure |
3.125 |
8.125 |
|
11 |
操作介質 Operating medium |
氨Ammonia |
富H2S甲醇Rich H2S methyl alcohol |
|
12 |
介質特性 Medium character |
中度危害/易爆Moderate harm /explosive |
中度危害/易爆Moderate harm /explosive |
|
13 |
腐蝕裕量(mm) Corrosion allowance |
3 |
3 |
|
14 |
焊接接頭系數φ Welded joint coefficient |
1 |
1 |
|
15 |
程數Number of passes |
1 |
2 |
|
16 |
容積（m3）Volume |
3.34 |
0.73 |
