Ukwelashwa okungalungile kokushisa kwamapayipi ensimbi angenamthungo kungabangela kalula uchungechunge lwezinkinga zokukhiqiza, okuholela ekutheni izinga lomkhiqizo libe sengozini kakhulu futhi liguqulwe libe yizicucu.Ukugwema amaphutha avamile ngesikhathi sokwelashwa okushisa kusho ukonga izindleko.Yiziphi izinkinga okufanele sigxile ekuzivimbeleni phakathi nenqubo yokwelapha ukushisa?Ake sibheke izinkinga ezivamile ekwelapheni ukushisa kwamapayipi ensimbi angenamthungo:
① Isakhiwo sepayipi lensimbi elingafanelekile nokusebenza: izici ezintathu ezibangelwa ukwelashwa okungalungile kokushisa (T, t, indlela yokupholisa).
Isakhiwo se-Wei: Izinhlamvu ezimahhadla zezinhlamvu A ezakhiwe ngensimbi ngaphansi kwezimo zokushisisa ezisezingeni eliphezulu zakha isakhiwo lapho ama-flakes F asakazwa ku-P uma epholile.Kuyisakhiwo esishisa kakhulu futhi silimaza ukusebenza okuphelele kwepayipi lensimbi.Ikakhulukazi, amandla okushisa avamile ensimbi ayancishiswa futhi i-brittleness iyanda.
Isakhiwo se-W esilula singaqedwa ngokujwayelekile ekushiseni okufanelekile, kuyilapho isakhiwo esinzima kakhulu se-W singasuswa ngokujwayelekile kwesibili.Izinga lokushisa lesibili elijwayelekile liphakeme, futhi izinga lokushisa lesibili elijwayelekile liphansi.Izinhlamvu zamakhemikhali.
Umdwebo webhalansi ye-FC uyisisekelo esibalulekile sokwenza izinga lokushisa lokushisa lokwelashwa kokushisa kwepayipi lensimbi.Futhi kuyisisekelo sokutadisha ukwakheka, ukwakheka kwe-metallographic, kanye nezakhiwo zamakristalu e-FC ngokulingana, umdwebo wokushintsha kwezinga lokushisa we-supercooling A (umdwebo we-TTT) kanye noguquko oluqhubekayo lokupholisa lwe-supercooling A. Ishadi (ishadi le-CCT) kuyisisekelo esibalulekile. ukwakha izinga lokushisa lokupholisa lokwelapha ukushisa.
② Ubukhulu bepayipi lensimbi abufaneleki: ububanzi obungaphandle, i-ovality, nokugoba akubekezeleleki.
Izinguquko kububanzi obungaphandle bepayipi yensimbi zivame ukwenzeka phakathi nenqubo yokucisha, futhi ububanzi bangaphandle bepayipi yensimbi buyanda ngenxa yezinguquko zevolumu (okubangelwa izinguquko zesakhiwo).Inqubo yokulinganisa ivame ukungezwa ngemva kwenqubo yokushisa.
Izinguquko ku-ovality yepayipi lensimbi: Iziphetho zamapayipi ensimbi ikakhulukazi amapayipi anezindonga ezincane ezinobubanzi obukhulu.
Ukugoba kwepayipi lensimbi: okubangelwa ukushisa okungalingani nokupholisa kwamapayipi ensimbi, kungaxazululwa ngokuqondisa.Kumapayipi ensimbi anezidingo ezikhethekile, inqubo yokuqondisa efudumele (engaba ngu-550 ° C) kufanele isetshenziswe.
③Ukuqhekeka endaweni yamapayipi ensimbi: okubangelwa ukushisa okudlulele noma isivinini sokupholisa kanye nengcindezi eshisayo eningi.
Ukuze kuncishiswe imifantu yokwelapha ukushisa emapayipini ensimbi, ngakolunye uhlangothi, isistimu yokushisa kanye nesistimu yokupholisa yepayipi yensimbi kufanele yenziwe ngokuvumelana nohlobo lwensimbi, futhi kufanele kukhethwe indawo efanelekile yokucisha;ngakolunye uhlangothi, ipayipi lensimbi elicishiwe kufanele lifuthelwe noma likhishwe ngokushesha ngangokunokwenzeka ukuze liqede ukucindezeleka kwalo.
④ Ukuklwebheka noma ukulimala okuqinile ebusweni bepayipi lensimbi: okubangelwa ukushelela okuhlobene phakathi kwepayipi lensimbi nento yokusebenza, amathuluzi, namarola.
⑤Ipayipi lensimbi lifakwe i-oxidized, likhishwa ikhabhoni, lishise kakhulu, noma lishiswe ngokweqile.Ibangelwa i-T↑, t↑.
⑥ I-oxidation engaphezulu yamapayipi ensimbi ukushisa okuphethwe ngegesi evikelayo: Isithando somlilo asivalwanga kahle futhi umoya ungena esithandweni.Ukwakheka kwegesi yesithando somlilo akuzinzile.Kuyadingeka ukuqinisa ukulawulwa kwekhwalithi yazo zonke izici zokushisa i-tube engenalutho (ipayipi lensimbi).
Isikhathi sokuthumela: Jan-15-2024