I totonu o alamanuia faʻaoga, aemaise lava i le suauʻu ma le kesi, o le faʻamaoni o paipa uʻamea e taua tele. O se tasi o auala sili ona aoga e faʻamautinoa ai le umi ma le tumau o nei paipa o le faʻaaogaina lea o le fusion bonded epoxy (FBE) coatings. O le malamalama i tulaga fa'apipi'i FBE e taua tele mo so'o se tasi e aofia i le fa'atau, fa'apipi'i po'o le tausiga o paipa vai u'amea ma mea fa'apipi'i.
FBE coatings e masani ona faʻaaogaina i ituaiga eseese o paipa uʻamea, e aofia ai paipa SSAW (Spiral Submerged Arc Welded), paipa ERW (Electric Resistance Welded), LSAW (Longitudinal Submerged Arc Welded) paipa, paipa faʻafefe, ma mea faʻapipiʻi eseese e pei o tulilima, tees, ma reducers. O le faʻamoemoega autu o nei paʻu o le tuʻuina atu lea o le puipuiga o le corrosion, lea e manaʻomia e faʻamautu ai le faʻatulagaina o le paipa i se taimi umi.
O le aFBE fa'apipi'i?
FBE faʻapipiʻi o se paʻu epoxy thermosetting faʻaogaina i luga ole paipa uʻamea. O le faagasologa o talosaga e aofia ai le faʻamafanafanaina o le paipa i se vevela faʻapitoa ona faʻaaogaina lea o le epoxy powder, lea e liusuavai ma fausia ai se sootaga malosi ma le paipa uamea. O lenei faiga e fausia ai se pa'u lamolemole, umi ma fa'ama'i e mafai ona tatalia tulaga faigata o le si'osi'omaga.
Taua o tulaga fa'apipi'i FBE
O le tausisia o tulaga faʻapipiʻi FBE e taua tele mo mafuaʻaga nei:
1. Corrosion resistance: O le galuega autu a le FBE coating o le puipuia lea o le sila mai le pala. O tulaga faʻatatau e faʻamautinoa ai o loʻo faʻaoga saʻo le faʻapipiʻiina ma faʻafetaui le mafiafia manaʻomia ma le faʻapipiʻiina o manaʻoga e maua ai le puipuiga sili.
2. Faʻamautinoaga Tulaga: E ala i le mulimulitaʻia tulaga faʻavae, e mafai e tagata gaosi oloa ona faʻamaonia le lelei oa latou oloa. E taua tele lenei mea mo kamupani o loʻo gaosia le tele o paipa uʻamea, mo se faʻataʻitaʻiga, o se kamupani o loʻo i ai le aofaʻi o aseta o le 680 miliona yuan, o le tausaga faʻaletausaga o le 400,000 tone o paipa uamea, ma le tau o le gaosiga o le 1.8 piliona yuan.
3. Fa'amalieina: O le tele o alamanuia o lo'o fa'atulafonoina fa'atonuga o meafaitino ma faiga o lo'o fa'agaioi ai. O le usitaʻia o tulaga faʻapipiʻi FBE e fesoasoani i kamupani e aloese mai faʻafitauli faʻaletulafono ma tausia lo latou igoa tau maketi.
4. Umi ma faʻatuatuaina: Faʻaoga tatau o le FBE coating e mafai ona faʻalauteleina ai le ola tautua o paipa uʻamea. O lenei fa'atuatuaina e taua tele mo alamanuia o lo'o fa'alagolago i nei paipa e felauaiga vai, suau'u ma kesi.
Pe a iloiloina FBE coatings, e taua le malamalama i le autu autu mo le latou talosaga:
- ASTM D638: O lenei faʻataʻitaʻiga o loʻo faʻamatalaina ai mea faʻamalosi o palasitika (e aofia ai faʻaofuofu FBE) ina ia mautinoa e mafai ona latou tatalia faʻafitauli e feagai ma le faʻaaogaina.
- ASTM D3359: O lenei faʻataʻitaʻiga e suʻeina ai le pipii o le faʻapipiʻi i le mea faʻapipiʻi, lea e taua tele i le faʻamautinoaina o le FBE faʻapipiʻi tumau pea i le taimi.
- AWWA C213: O lenei tulaga faʻapitoa e faʻatatau i manaʻoga mo fusi faʻapipiʻi epoxy coatings mo paipa vai uʻamea, tuʻuina atu taʻiala mo le faʻaogaina, asiasiga, ma suʻega.
i le faaiuga
I le aotelega, o le malamalama i tulaga faʻapipiʻi FBE e taua tele mo soʻo se tasi e aʻafia i pisinisi paipa uʻamea. O le taulaʻi atu i le puipuiga o le corrosion, faʻamautinoaga lelei, ma le tausisia o tulafono faatonutonu, o nei tulaga faʻapitoa e taua tele i le faʻamautinoaina o le ola tautua ma le faʻamaoni o paipa uʻamea ma mea faʻapipiʻi. Kamupani o loʻo tuʻuina atu se tupe faʻaalu i le tausisia o nei tulaga, e pei oi latou e malosi le gaosiga gafatia ma aseta, e le gata e mafai ona faʻaleleia le lelei o oloa ae faʻamalosia ai foi o latou tulaga i se maketi tauvaga. Aʻo faʻaauau pea ona faʻatupulaia le manaʻoga mo paipa uʻamea tumau ma faʻatuatuaina, o le taua o faʻalava FBE ma tulaga faʻatatau mo latou faʻaoga o le a faʻaauau pea ona tupu.
Taimi meli: Iuni-11-2025