Mukushandiswa kwemaindasitiri, kunyanya muchikamu chemafuta uye gasi, kuvimbika kwepombi yesimbi kwakakosha. Imwe yedzakanakisa nzira dzekuona hupenyu hurefu nekusimba kwemapombi aya ndeyekushandisa fusion bonded epoxy (FBE) coatings. Kunzwisisa FBE coating standards kwakakosha kune ani nani ane chekuita nekutenga, kuisa kana kugadzirisa pombi yemvura yesimbi uye mafittings.
FBE coatings anonyanya kushandiswa pamhando dzakasiyana dzepombi dzesimbi, kusanganisira SSAW (Spiral Submerged Arc Welded) pombi, ERW (Electric Resistance Welded) pombi, LSAW (Longitudinal Submerged Arc Welded) pombi, mapaipi asina musono, uye akasiyana fittings akadai semagokora, mateki, uye teki. Chinangwa chikuru chezvipfeko izvi ndechekupa kuchengetedzwa kwekuora, izvo zvakakosha kuchengetedza kuvimbika kwechimiro chepombi munguva refu.
ChiiFBE coating?
FBE coating ndeye thermosetting epoxy poda inoiswa pamusoro pepombi yesimbi. Maitiro ekushandisa anosanganisira kudziyisa pombi kune imwe tembiricha uye wozoisa iyo epoxy poda, iyo inonyunguduka uye inoita chisungo chakasimba nesimbi pombi pamusoro. Iyi nzira inogadzira iyo yakatsetseka, yakasimba uye inodzivirira makemikari coating iyo inogona kumira yakaoma mamiriro ezvakatipoteredza.
Kukosha kweFBE coating standards
Kutevedzera FBE coating standard kwakakosha nekuda kwezvikonzero zvinotevera:
1. Corrosion resistance: Basa guru rekuvhara FBE nderokudzivirira simbi kubva pakuora. Mayero akakodzera anovimbisa kuti iyo yekupfekedza inoshandiswa nemazvo uye inosangana nehupamhi hunodiwa uye hwekunamatira zvinodiwa kuti ipe kuchengetedzwa kwakaringana.
2. Kuvimbiswa Kwehutano: Nekutevera mitemo yakagadzwa, vagadziri vanogona kuvimbisa kunaka kwezvigadzirwa zvavo. Izvi zvakanyanya kukosha kumakambani anogadzira pombi dzesimbi dzakakura, semuenzaniso, kambani ine hupfumi hwakazara hwe680 miriyoni yuan, gore negore kubuda kwe400,000 matani espiral steel pombi, uye kukosha kwekubuda kwe1,8 bhiriyoni yeyuan.
3. Kuteerera: Maindasitiri mazhinji ari pasi pemutemo wakasimba wezvinhu uye maitiro avanoshanda mazviri. Kutevedzera FBE coating standards kunobatsira makambani kudzivirira nyaya dzemutemo uye kuchengetedza mukurumbira wavo wemusika.
4. Inogara kwenguva refu uye yakavimbika: Kushandiswa kwakakodzera kweFBE coating kunogona kuwedzera zvakanyanya hupenyu hwebasa remapombi esimbi. Kuvimbika uku kwakakosha kumaindasitiri anovimba nemapombi aya kutakura mvura, oiri uye gasi.
Kana uchifunga nezve FBE coatings, zvakakosha kuti unzwisise maitiro akakosha ekushandisa kwavo:
-ASTM D638: Iyi chiyero inotaridza kusimba kwezvimiro zvepurasitiki (kusanganisira FBE coatings) kuve nechokwadi kuti vanogona kumirisana nekushushikana kunowanikwa mukushandiswa.
- ASTM D3359: Iyi chiyero inoedza kunamatira kwejasi kune substrate, iyo yakakosha kuve nechokwadi chekuti FBE coating inoramba yakasimba nekufamba kwenguva.
- AWWA C213: Iyi chiyero inonyatso tarisa zvinodikanwa zvefusion-bonded epoxy coatings yesimbi pombi yemvura, ichipa gwara rekushandisa, kuongorora, uye kuyedzwa.
mukupedzisa
Muchidimbu, kunzwisisa FBE coating standards kwakakosha kune chero munhu anobatanidzwa muindasitiri yesimbi pombi. Tichitarisa pakuchengetedzwa kwekuora, kuvimbiswa kwemhando, uye kutevedzera mitemo, zviyero izvi zvinoita basa rakakosha mukuona hupenyu hwesevhisi uye kuvimbika kwepombi dzesimbi uye mafittings. Makambani anoisa mari yepamusoro pakuomerera kune aya mazinga, akadai seaya ane simba rakasimba rekugadzira uye midziyo, haagone kungovandudza mhando yechigadzirwa asiwo kusimbisa chinzvimbo chavo mumusika wemakwikwi. Sezvo kudiwa kwepombi yesimbi yakasimba uye yakavimbika ichiramba ichikura, kukosha kweFBE coatings uye zviyero zvekushandisa kwavo zvicharamba zvichikura.
Nguva yekutumira: Jun-11-2025