Amapayipi ensimbiawekhwalithi engcono kakhulu kunamapayipi ensimbi ajwayelekile. I-graphite yensimbi evamile ekhonjiwe isemashidini futhi inamandla aphansi kakhulu. Ngakho amandla ensimbi evamile aphansi kakhulu, ayaphuka. I-graphite eku-graphite cast iron iyindilinga, ilingana nokuba khona kwama-void amaningi ayindilinga ensimbi ewuquqaba. Umthelela we-spherical void emandleni ensimbi eyinsimbi mancane kakhulu kunalelo le-flake void, ngakho amandla epayipi lensimbi edonsayo aphakeme kakhulu kunalawo ensimbi evamile ekhonjiwe.
Izinzuzo zokusebenzisa ipayipi lensimbi ye-ductile epayipini lokuhlinzeka ngamanzi:
1. Ngenxa yokuthi ipayipi lensimbi ye-ductile yamukela ukuhlangana okuguquguqukayo, ukusebenza kokwakhiwa kulula kakhulu, kungathuthukisa ukusebenza kahle kokwakhiwa, ukuthuthukisa izimo zokwakha, ukunciphisa izindleko zokwakha, futhi iningi le-interface lithatha uxhumano lwendandatho yenjoloba, ukusebenza okulula, kunganciphisa isikhathi sokwakha, ukunciphisa izindleko zokwakha.
2. Ngomfutho ophakeme wokuphakelwa kwamanzi, ukumelana nomthwalo wangaphandle futhi uvumelane nokushintsha kwezimo ze-geological, ipayipi linezinzuzo zamandla aphezulu, ukuqina okuhle, ukumelana nokugqwala, isikhombimsebenzisi esivumelana nezimo ukufakwa okulula, ukumelana nokuzamazama komhlaba okuqinile, umfutho ophansi wabasebenzi, ingasetshenziswa esigabeni esimpofu se-geological nakuwo wonke umgwaqo omkhulu, ngaphandle kokucutshungulwa okwengeziwe kwepayipi lensimbi, kuhlanganiswe nokuqina okuqinile kwe-corrosion, ugu lungasetshenziswa ukumelana nokugqwala kwe-saline. Njengamanje, isetshenziswa kabanzi kubunjiniyela bamapayipi angaphansi komhlaba. Amaphrojekthi okufakwa kwamapayipi amakhulu angabonisa izinzuzo zawo zokufakwa kalula kanye nomfutho ophansi wokusebenza.
3. Ipayipi yensimbi eyi-nodular cast inokusebenza okuhle kokuvala futhi akulula ukuvuza, okunganciphisa izinga lokuvuza kwenethiwekhi yamapayipi futhi kunciphise izindleko zansuku zonke zokugcinwa kwenethiwekhi yamapayipi.
I-graphite ngensimbi eyi-nodular cast isesimweni esiyindilinga. Ubukhulu be-graphite buyi-6 ~ 7. Ngokwekhwalithi, ibanga le-spheroidization lepayipi lensimbi elicijile le-nodular kufanele lilawulwe njengesilinganiso se-spheroidization yebanga elingu-1~3 >. =80%. Ngakho-ke, izakhiwo zemishini zithuthukiswa kangcono. Abakhiqizi bamapayipi ensimbi e-Ductile basikisela ukuthi ngemva kokuhlanganisa ipayipi lensimbi ye-annealing, isakhiwo se-metallographic sine-ferritic enenani elincane lokukhanya kwekhandlela. Izakhiwo ezinhle zemishini.
Isikhathi sokuthumela: Mar-15-2023