Ukucatshangelwa Okufanelekile Kwezinto Zokusebenza ze Abalandeli Be-Centrifugal Amazinga Okushisa aphezulu
Izinto eziwumgogodla zamafeni we-centrifugal osezingeni eliphezulu zincike ebangeni lokushisa. Amazinga okushisa ahlukene ahambisana nezinto ezihlukene, izakhiwo, nezixazululo zokuvala. Ngezansi kukhona iziphetho eziqondile zokukhetha zebanga ngalinye lokushisa, futhi ungabhekisela kuzo ngokuqondile ukuze uzisebenzise.
1. Izinga lokushisa elijwayelekile liya ku-80℃
Izinto ezivamile zabalandeli be-centrifugal bezinga lokushisa eliphezulu: Q235, Q355 (A3 steel, 16Mn)
Isicelo: I-ventilation evamile, i-boiler blower G4-73, ukunikezwa kwesimo somoya
Izici: Izindleko eziphansi, amandla anele, asikho isidingo sokwelashwa okushisa
2. 80℃ kuya ku-200℃
Izinto ezijwayelekile: Q355 (16Mn), 15CrMo
Isicelo: Ukujikeleza komoya oshisayo, umugqa wokomisa, uhlaka olujwayelekile lwe-boiler
Izici: Ukusebenza okuhle kokumelana nokushisa, kuncane okuthambekele ekuguqukeni
3.200℃ kuya ku-350℃
Izinto ezijwayelekile zabalandeli be-centrifugal abasezingeni eliphezulu: 15CrMo, 12Cr1MoV
Isicelo: I-Boiler okusalungiswa kwe-fan Y4-73, i-horn exhaust, i-high-temperature flue gas
Izici: Insimbi ekhethekile ekwazi ukumelana nokushisa, amandla azinzile ezinga lokushisa eliphezulu
4. 350℃ ukuya ku-600℃
Izinto ezijwayelekile zamafeni we-centrifugal wezinga lokushisa eliphezulu: 304 (0Cr18Ni9), 321, 316L
Isicelo: Igesi yokukhipha i-Chemical high-temperature, incinerator, umoya oshisayo osezingeni eliphezulu
Izici: Insimbi engagqwali enokumelana okuhle kakhulu kwe-oxidation nokumelana nokugqwala
5. 600℃ kuya ku-900℃
Izinto ezijwayelekile: 310S (2520), GH3030/GH3044 ama-alloys aphezulu okushisa
Isicelo: Izithando zensimbi, iziko elijikelezayo, izisetshenziswa zokushiswa kwezinga lokushisa eliphezulu
Izici: I-ultra-high lokushisa oxidation ukumelana, intengo ephezulu
2. Ukukhethwa kwezinto ezihlukahlukene zezingxenye’ zabalandeli be-centrifugal bezinga lokushisa eliphezulu (ukufanisa umshini wonke)
I-Blade: Uma izinga lokushisa liphakeme, kudingeka nakakhulu ukukhetha insimbi engangeni ekushiseni / insimbi engagqwali, futhi wenze ibhalansi enamandla + nokwelashwa kokushisa.
I-Casing: Okufana nebanga lokushisa kwe-blade, kungaba ngaphansi kancane ebangeni elilodwa
I-Shaft: Ezingxenyeni ezishisa kakhulu, i-40Cr, 42CrMo, 15CrMo kufanele ibekwe phambili
Ibhokisi eliphethe: Izingxenye zokushisa ezijwayelekile, i-Q235 yanele, abalandeli bezinga lokushisa eliphezulu kufanele bafakwe ijakhethi yokupholisa amanzi
Izingxenye zokuvala:
≤250℃: ukupakisha kwe-asbestos, i-fluororubber
> 250 ℃: uphawu lwensimbi ye-labyrinth, i-carbon ring seal
3. Ukukhethwa okwengeziwe kwezindawo ezigqwalile zabalandeli bezinga lokushisa eliphezulu le-centrifugal
I-Acid ne-alkali-flue gas: 316L > 304 > carbon steel
Iqukethe ion chloride: ukuvimbela ngokuqinile 304, kumele 316L/2205 duplex steel
Ukuhuzuka kothuli oluphezulu: engeza ulayini ongagugi, izitsha zobumba ezingagugi
4. Amaphuzu angukhiye okufanele acatshangelwe ekukhethweni kwabalandeli be-centrifugal enezinga eliphezulu lokushisa
Izinga lokushisa > 200 ℃: kumele usebenzise ibhokisi elithwala amanzi elipholile
Izinga lokushisa > 300 ℃: engeza umkhono weshaft wokufaka ukushisa, ukunweba okuhlangene
I-Stainless steel blade: kufanele ithole ukwelashwa kwesisombululo esiqinile ukuvimbela ukuguquguquka nokuqhekeka
