Mitundu ya Mapaipi a Chitsulo cha Kaboni
Mapaipi achitsulo cha kaboni akhoza kugawidwa m'magulu kutengera njira zawo zopangira motere:
1. Chitoliro cha Chitsulo Chopanda Msoko (SMLS)
- Yopangidwa mwa kuboola billet yolimba ndikuyitulutsa mu chubu chopanda kanthu.
- Palibe msoko wowotcherera, wolimba kwambiri mukapanikizika kwambiri.
- Kugwiritsa Ntchito: Mafuta/gasi wothamanga kwambiri, ma boiler, makina a hydraulic.
2. Chitoliro chachitsulo cholumikizidwa
(a) Chitoliro cha ERW (cholimba cha magetsi)
- Yopangidwa ndi chingwe chachitsulo chozungulira ndi m'mphepete mwake pogwiritsa ntchito kukana kwamagetsi.
- Msoko wowongoka, wotsika mtengo.
- Kugwiritsa Ntchito: Mapaipi amadzi/gasi, ntchito za kapangidwe kake.
(b) Chitoliro cha LSAW (Longitudinal Submerged Arc Welded)
- Yopangidwa ndi kupindika ndi kuwotcherera mbale zachitsulo mozungulira (njira ya SAW).
- Msoko umodzi wowongoka, womwe umagwiritsidwa ntchito pa mainchesi akuluakulu.
- Kugwiritsa Ntchito: Kutumiza mafuta/gasi, mapaipi akunja.
(c) Chitoliro cha SSAW (Chozungulira Choviikidwa mu Arc Welded)
- Yopangidwa ndi chingwe chachitsulo chozungulira mozungulira ndi kuwotcherera ndi arc yozama pansi.
- Msoko wozungulira, kugawa bwino kupsinjika.
- Ntchito: Mapaipi akuluakulu, odzaza.
Miyezo ya Mapaipi a Chitsulo cha Carbon
| Mtundu | Njira | Mbali Yaikulu | Miyezo Yofanana |
|---|---|---|---|
| Wopanda msoko | Kutentha kotentha, kujambula kozizira | Palibe chotchingira, mphamvu zambiri | ASTM A106, API 5L, ASTM A252 |
| ERW | Kuwotcherera magetsi okana | Msoko wowongoka, wotsika mtengo | ASTM A53 (E), EN 10255, EN10219, BS1387 |
| LSAW | Kuwotcherera kwa arc kokhala pansi pa nthaka kwa longitudinal | Makoma okhuthala, mainchesi akulu | API 5L, ASTM A671, ASTM A252 |
| SSAW | Kuwotcherera kwa arc kozungulira pansi pa madzi | Msoko wozungulira, wosapsinjika | API 5L, ASTM A252 |
Nthawi yotumizira: Julayi-18-2025