Ipayipi lensimbi elingenamthungoI-e iyisiqeshana sensimbi eside esine-cross-section engenalutho futhi esingenazo izithungo ezizungezile. Ngenxa yokuhlukile kwenqubo yayo yokukhiqiza, inamandla aphezulu kanye nokumelana okuhle kwengcindezi. Amapayipi ensimbi angenazithungo alethwe kulokhu afaka izinto ezimbili kanye nezincazelo: ibanga le-15CrMoG, izincazelo ezingama-325×14 kanye12Cr1MoVGibanga, imininingwane engu-325×10.

Izici kanye nokusetshenziswa kwe15CrMoGipayipi lensimbi
I-15CrMoG iyinsimbi ye-chromium-molybdenum alloy, izingxenye zayo eziyinhloko zamakhemikhali ezihlanganisa i-carbon (C), i-chromium (Cr), i-molybdenum (Mo), njll. Le nto inamandla aphezulu, ukumelana okuhle kwe-oxidation kanye nokumelana okuphezulu kokushisa, ikakhulukazi ezindaweni zokushisa okuphezulu kanye nokucindezela okuphezulu. Ngaphezu kwalokho, i-15CrMoG nayo inokusebenza okuhle kokushisela kanye nokucutshungulwa.

Ukusetshenziswa
Amapayipi ensimbi angenamthungo enziwe nge-15CrMoG asetshenziswa kakhulu kumapayipi nemishini yokushisa okuphezulu kanye nokucindezela okuphezulu, futhi asetshenziswa kabanzi kulezi zinsimu ezilandelayo:

Imboni yamandla: ama-superheater ebhoyila, ama-reheater, ama-header kanye namapayipi amakhulu omusi ezitshalweni zamandla ezishisayo.
Imboni yamakhemikhali: izinhlelo zamapayipi eziphehli zokushisa okuphezulu emishinini yamakhemikhali.
Imboni kaphethiloli: amapayipi okushisa okuphezulu kanye nemishini yokushintshanisa ukushisa ezindaweni zokuhluza.
Leli payipi lensimbi lingagcina izakhiwo ezinhle kakhulu zemishini emazingeni okushisa aphezulu, futhi lifaneleka kakhulu emazingeni okushisa okusebenza isikhathi eside aphakathi kuka-500°C no-580°C.
Izici kanye nokusetshenziswa kwamapayipi ensimbi angu-12Cr1MoVG
I-12Cr1MoVG iyinsimbi ye-chromium-molybdenum-vanadium esezingeni eliphezulu ebonakala ngamandla aphezulu, ukumelana okuhle kokuqhekeka, kanye nokumelana okuqinile kokugqwala kanye nokushiswa kwe-oxidation. Uma iqhathaniswa ne-15CrMoG, inezela inani elincane le-vanadium (V), okuthuthukisa kakhulu ukumelana kwayo nokuqina kokushisa okuphezulu.
Ukusetshenziswa
Amapayipi ensimbi angenamthungo enziwe nge-12Cr1MoVG avame ukusetshenziswa ezindaweni ezinokushisa okuphezulu kanye nokucindezela okuphezulu, futhi ububanzi bokusetshenziswa kwawo buhlanganisa:
Insimu yamandla: ama-superheater ashisa kakhulu, ama-reheater namapayipi ezitshalweni zamandla ezishisayo kanye nezitshalo zamandla enuzi.
Imboni yamakhemikhali: imishini yamakhemikhali namapayipi anezinga lokushisa eliphezulu neliphezulu.
Ukukhiqizwa kwebhoyila: ukukhiqiza amashubhu ebhoyila anomfutho ophezulu wamadivayisi anengcindezi ephezulu yokusebenza.
Lolu hlobo lwepayipi lensimbi lufanele ukusetshenziswa isikhathi eside emazingeni okushisa okusebenza angaphezu kuka-570°C futhi lunamandla amakhulu okumelana nokuqhekeka kanye nokuguquguquka.
Ipayipi lensimbi elingu-15CrMoG elinencazelo engu-325×14 kanye nepayipi lensimbi elingu-12Cr1MoVG elinencazelo engu-325×10 zigxile kuzo. Zombili ziyipayipi lensimbi elingenamthungo elisebenza kahle kakhulu futhi zisetshenziswa kabanzi ezimbonini ezishisa kakhulu nezinomfutho ophezulu njengamandla, amakhemikhali kaphethroli, kanye namakhemikhali. Kuye ngendawo yokusetshenziswa, abasebenzisi bangakhetha into efaneleka kakhulu yepayipi lensimbi ukuze bahlangabezane nezidingo zokukhiqiza.