Amasimu okusetshenziswa kwama-alloys akhethekile embonini kaphethiloli:
Ukuhlola nokuthuthukiswa kwe-petroleum kuyimboni ehlanganisa imikhakha eminingi, edinga ubuchwepheshe kanye nemali eningi edinga ukusebenzisa inani elikhulu lezinto zokwakha insimbi kanye nemikhiqizo enezakhiwo ezahlukene kanye nokusetshenziswa. Ngokuthuthuka kwemithombo kawoyela negesi ejulile kakhulu futhi ethambekele kakhulu kanye nezinkundla zikawoyela negesi eziqukethe i-H2S, i-CO2 kanye ne-Cl -, ukusetshenziswa kwezinto zensimbi engagqwali ezinezidingo zokusebenza zokulwa nokugqwala kuyanda.
Ukuthuthukiswa kwemboni ye-petrochemical kanye nokuvuselelwa kwemishini ye-petrochemical kuye kwabeka phambili izidingo eziphakeme zekhwalithi kanye nokusebenza kwensimbi engagqwali. Izidingo zokumelana nokugqwala, ukumelana nokushisa okuphezulu kanye nokumelana nokushisa okuphansi kwensimbi engagqwali azikhululekile kodwa ziqinile. Ngesikhathi esifanayo, imboni ye-petrochemical nayo iyimboni yokushisa okuphezulu, umfutho ophezulu kanye nobuthi, ehlukile kwezinye izimboni. Imiphumela yokuxuba izinto ayibonakali. Uma ikhwalithi yezinto zensimbi engagqwali embonini ye-petrochemical ingenakuqinisekiswa, imiphumela ngeke icatshangelwe. Ngakho-ke, amabhizinisi ensimbi engagqwali asekhaya, ikakhulukazi amabhizinisi epayipi lensimbi, kufanele athuthukise okuqukethwe kobuchwepheshe kanye nenani elengeziwe lemikhiqizo ngokushesha okukhulu ukuze athathe imakethe yemikhiqizo ephezulu.
Ivame ukusetshenziswa kuma-reactor emishinini ye-petrochemical, amashubhu emithombo kawoyela, izinduku ezipholishiwe emithonjeni kawoyela ebolayo, amashubhu ajikelezayo ezithandweni ze-petrochemical, kanye nezingxenye nezingxenye emishinini yokubhoboza uwoyela negesi.
Ama-alloy akhethekile avame ukusetshenziswa embonini kaphethiloli:
Insimbi engagqwali: 316LN, 1.4529, 1.4539, 254SMO, 654SMO, njll.
I-Superalloy: GH4049
Ama-alloy asekelwe ku-nickel: I-Alloy 31, i-Alloy 926, i-Inconel 925, i-Inconel 617, i-Nickel 201, njll.
Ingxubevange emelana nokugqwala: Incoloy 800H,I-Hastelloy B2, i-Hastelloy C, i-Hastelloy C276
