Ekusetshenzisweni kwezimboni, ikakhulukazi emkhakheni kawoyela negesi, ubuqotho bepayipi lensimbi bubalulekile. Enye yezindlela ezisebenza kahle kakhulu zokuqinisekisa ukuphila isikhathi eside nokuqina kwalawa mapayipi ukusetshenziswa kwezingubo ze-fusion bonded epoxy (FBE). Ukuqonda izindinganiso zokumboza i-FBE kubalulekile kunoma ubani ohilelekile ekuthengeni, ekufakweni noma ekulungiseni ipayipi lamanzi lensimbi nezixhumi.
Amapayipi e-FBE asetshenziswa kakhulu ezinhlotsheni ezahlukene zamapayipi ensimbi, okuhlanganisa amapayipi e-SSAW (Spiral Submerged Arc Welded), amapayipi e-ERW (Electric Resistance Welded), amapayipi e-LSAW (Longitudinal Submerged Arc Welded), amapayipi angenamthungo, nokufakwa okuhlukahlukene okufana nezindololwane, nezinciphisi. Inhloso eyinhloko yalezi zingubo zokumboza ukuhlinzeka ngokuvikelwa kokugqwala, okubalulekile ukuze kugcinwe ubuqotho besakhiwo sepayipi esikhathini eside.
YiniUkufakwa kwe-FBE?
I-FBE coating iyimpuphu ye-epoxy ye-thermosetting esetshenziswa ebusweni bepayipi lensimbi. Inqubo yokufaka isicelo ihilela ukushisa ipayipi ekushiseni okukhethekile bese usebenzisa i-epoxy powder, encibilika futhi yakha isibopho esiqinile ne-surface yepayipi yensimbi. Le nqubo idala ukunamathela okubushelelezi, okuhlala isikhathi eside futhi okumelana namakhemikhali okungakwazi ukumelana nezimo zemvelo ezinzima.
Ukubaluleka kwezindinganiso zokuhlanganisa i-FBE
Ukuhambisana nezindinganiso zokuhlanganisa ze-FBE kubalulekile ngenxa yalezi zizathu ezilandelayo:
1. Ukumelana nokugqwala: Umsebenzi oyinhloko we-FBE coating ukuvikela insimbi ekugqwaleni. Izindinganiso ezifanele ziqinisekisa ukuthi ukunamathela kusetshenziswe ngendlela efanele futhi kuhlangabezana nezidingo ezidingekayo zokujiya nokunamathela ukuze kunikeze ukuvikeleka okuphelele.
2. Ukuqinisekisa Ikhwalithi: Ngokulandela izindinganiso ezimisiwe, abakhiqizi bangaqinisekisa ikhwalithi yemikhiqizo yabo. Lokhu kubaluleke kakhulu ezinkampanini ezikhiqiza isamba esikhulu samapayipi ensimbi, isibonelo, inkampani enempahla ephelele yamayuan ayizigidi ezingu-680, ukukhishwa konyaka okungamathani angu-400,000 amapayipi ensimbi okuvunguza, kanye nenani eliphumayo lama-yuan ayizigidi eziyizinkulungwane ezingu-1.8.
3. Ukuthobela umthetho: Izimboni eziningi zingaphansi kwemithetho eqinile yezinto kanye nezinqubo ezisebenza kuzo. Ukuthobela izindinganiso zokuhlanganisa ze-FBE kusiza izinkampani zigweme izinkinga ezingokomthetho futhi zigcine isithunzi sazo semakethe.
4. Ihlala isikhathi eside futhi inokwethenjelwa: Ukusetshenziswa okufanele kwe-FBE coating kungandisa kakhulu impilo yesevisi yamapayipi ensimbi. Lokhu kwethembeka kubalulekile ezimbonini ezithembele kula mapayipi ukuthutha amanzi, uwoyela negesi.
UkhiyeIzindinganiso zokugqoka ze-FBE
Lapho ucubungula i-FBE coatings, kubalulekile ukuqonda indlela eyinhloko yokusetshenziswa kwayo:
- I-ASTM D638: Leli zinga lichaza izici eziqinile zamapulasitiki (okuhlanganisa nama-FBE coatings) ukuze kuqinisekiswe ukuthi angakwazi ukumelana nezingcindezi abahlangabezana nazo lapho besetshenziswa.
- I-ASTM D3359: Leli zinga lihlola ukunamathela kokunamathela ku-substrate, okubalulekile ekuqinisekiseni ukuthi ukunamathela kwe-FBE kuhlala kungashintshi ngokuhamba kwesikhathi.
- I-AWWA C213: Leli zinga libhekana ngqo nezidingo zokumbozwa kwe-epoxy ehlanganiswe nge-fusion yepayipi lamanzi lensimbi, linikeza isiqondiso sokusetshenziswa, ukuhlolwa, nokuhlolwa.
Ekuphetheni
Kafushane, ukuqonda izindinganiso zokumboza i-FBE kubalulekile kunoma ubani ohilelekile embonini yamapayipi ensimbi. Ngokugxila ekuvikeleni ukugqwala, ukuqinisekiswa kwekhwalithi, kanye nokuthobela imithetho, lawa mazinga adlala indima ebalulekile ekuqinisekiseni impilo yesevisi nokuthembeka kwamapayipi ensimbi nezixhumi. Izinkampani ezibeka iprimiyamu ekubambeleleni kulawa mazinga, njengalawo anamakhono aqinile okukhiqiza kanye nezimpahla, azikwazi nje ukuthuthukisa ikhwalithi yomkhiqizo kodwa futhi ziqinise isikhundla sazo emakethe yokuncintisana. Njengoba isidingo samapayipi ensimbi ahlala isikhathi eside futhi anokwethenjelwa siqhubeka sikhula, ukubaluleka kwezingubo ze-FBE kanye nezindinganiso zokusetshenziswa kwazo kuzoqhubeka nokukhula.
Isikhathi sokuthumela: Jun-11-2025