Ezisetshenzisweni zezimboni, ikakhulukazi emkhakheni kawoyela negesi, ubuqotho bepayipi lensimbi bubalulekile. Enye yezindlela eziphumelela kakhulu zokuqinisekisa ukuthi la mapayipi ahlala isikhathi eside futhi aqinile ukusebenzisa izembozo ze-fusion bonded epoxy (FBE). Ukuqonda amazinga okumboza e-FBE kubalulekile kunoma ubani ohilelekile ekuthengweni, ekufakweni noma ekugcinweni kwamapayipi amanzi ensimbi kanye nezinto zokufakelwa.
Izimbozo ze-FBE zisetshenziswa 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, kanye nezinto zokufaka ezihlukahlukene njengezindololwane, ama-tee, kanye nama-reducer. Inhloso eyinhloko yalezi zimbozo ukuhlinzeka ngokuvikelwa kokugqwala, okubalulekile ukugcina ubuqotho besakhiwo sepayipi isikhathi eside.
KuyiniUkugqoka kwe-FBE?
I-FBE coating iyi-thermosetting epoxy powder efakwa ebusweni bepayipi lensimbi. Inqubo yokufaka ihilela ukushisa ipayipi liye ekushiseni okuthile bese kusetshenziswa i-epoxy powder, encibilikisa futhi yakhe isibopho esiqinile nobuso bepayipi lensimbi. Le nqubo idala i-coating ebushelelezi, eqinile futhi engamelani namakhemikhali engamelana nezimo zemvelo ezinzima.
Ukubaluleka kwezindinganiso zokumboza ze-FBE
Ukuhambisana nezindinganiso zokumboza ze-FBE kubalulekile ngezizathu ezilandelayo:
1. Ukumelana nokugqwala: Umsebenzi oyinhloko we-FBE coating ukuvikela insimbi ekugqwaleni. Izindinganiso ezifanele ziqinisekisa ukuthi i-coating isetshenziswa kahle futhi ihlangabezana nezidingo zokujiya nokunamathela ezidingekayo ukuze kunikezwe isivikelo esifanele.
2. Ukuqinisekiswa Kwekhwalithi: Ngokulandela izindinganiso ezimisiwe, abakhiqizi bangaqinisekisa ikhwalithi yemikhiqizo yabo. Lokhu kubaluleke kakhulu ezinkampanini ezikhiqiza inani elikhulu lamapayipi ensimbi, isibonelo, inkampani enempahla iyonke engama-yuan ayizigidi ezingu-680, umkhiqizo waminyaka yonke wamathani angu-400,000 amapayipi ensimbi ajikelezayo, kanye nenani lomkhiqizo elingama-yuan ayizigidi eziyizinkulungwane ezingu-1.8.
3. Ukuthobela imithetho: Izimboni eziningi zilawulwa ngokuqinile izinto nezinqubo ezisebenza kuzo. Ukuthobela amazinga okumboza e-FBE kusiza izinkampani ukugwema izinkinga zomthetho nokugcina idumela lazo emakethe.
4. Kuhlala isikhathi eside futhi kuthembekile: Ukusetshenziswa kahle kwe-FBE coating kungandisa kakhulu impilo yokusebenza kwamapayipi ensimbi. Lokhu kuthembeka kubalulekile ezimbonini ezithembele kula mapayipi ukuthutha amanzi, uwoyela negesi.
UkhiyeIzindinganiso zokumboza ze-FBE
Uma ucabangela izembozo ze-FBE, kubalulekile ukuqonda izindlela ezibalulekile zokusetshenziswa kwazo:
- I-ASTM D638: Le nqubo ichaza izakhiwo zokuthamba zepulasitiki (kufaka phakathi izembozo ze-FBE) ukuqinisekisa ukuthi zingakwazi ukumelana nokucindezeleka okuhlangatshezwana nakho lapho zisetshenziswa.
- I-ASTM D3359: Le nqubo ihlola ukunamathela kwesembozo ku-substrate, okubalulekile ekuqinisekiseni ukuthi isembozo se-FBE sihlala siphelele ngokuhamba kwesikhathi.
- AWWA C213: Le nqubo ibhekana ngqo nezidingo ze-epoxy coating eziboshwe nge-fusion zamapayipi amanzi ensimbi, inikeza isiqondiso sokusetshenziswa, ukuhlolwa, kanye nokuhlolwa.
Ekuphetheni
Ngamafuphi, ukuqonda amazinga okumboza e-FBE kubalulekile kunoma ubani ohilelekile embonini yamapayipi ensimbi. Njengoba zigxile ekuvikelweni kokugqwala, ukuqinisekiswa kwekhwalithi, kanye nokuhambisana nemithetho, lezi zindinganiso zidlala indima ebalulekile ekuqinisekiseni impilo yesevisi kanye nokuthembeka kwamapayipi ensimbi kanye nokufakwa kwawo. Izinkampani ezibeka phambili ekunamatheleni kulezi zindinganiso, njengalezo ezinekhono lokukhiqiza eliqinile kanye nempahla, azikwazi nje ukuthuthukisa ikhwalithi yomkhiqizo kodwa futhi ziqinise isikhundla sazo emakethe yokuncintisana. Njengoba isidingo samapayipi ensimbi aqinile futhi athembekile siqhubeka nokukhula, ukubaluleka kwezingubo zokumboza ze-FBE kanye nezindinganiso zokusetshenziswa kwazo kuzoqhubeka nokukhula.
Isikhathi sokuthunyelwe: Juni-11-2025