Ukuncibilikisa Nokuthululelwa Kwama-Properler Wensimbi Enkulu

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Kuhlanganiswe nomklamo omkhulu wokuphonsa inqubo yokuphonsa indiza, cabanga ngemingcele yenqubo efanelekile njengokuncipha, ukusonteka, nokwenza ivolumu yokucubungula; ukusetshenziswa kokuncibilikiswa kwesithando esiningi, ukulawula ukushisa okuncibilikayo okuncibilikayo, inqubo ye-degassing, kanye nokushisa okuthelayo kuyizimfuneko zokuqinisekisa ukusakazwa okubushelelezi.

Ngokuklanywa kohlelo lokuthela ngomjovo ongezansi, futhi ngemuva kokuthulula ku-riser 1/3, uketshezi lwethusi olunezinga lokushisa eliphakeme luyangezwa ukunciphisa isikhuphukeli ukuqinisekisa ukuthi imishini Castings qinisa ngokulandelana, okuyisici esiyinhloko sokuthola ikhwalithi yangaphakathi yabalingisi.

Nciphisa

Ngenxa yokuthi isisindo se-paddle gross singama-57t, izithando zomlilo zikagesi ezimbili ezingama-30t eziphakathi nendawo zisetshenziselwa ukuncibilikisa. Isilinganiso se-ZCuAl9Fe4Ni4Mn2 sisetshenziswa ngokuqinile. Izinga lokushisa lokuncibilikisa lilawulwa ku-1200 ~ 1250 ℃. Ukuhlaziywa kwamakhemikhali nokuhlolwa kokugoba kwenziwa esithandweni ukuze kutholwe ukuthi isixazululo sengxubevange siyahlangabezana yini nezidingo. . Uma usufanelekile, isithando somlilo singakhululwa. 

Njengoba amasayizi amabili ahlukene e-ladle esetshenziselwa ukuthululwa ngesikhathi esisodwa, izinga lokushisa ku-ladle ngayinye kufanele lilawulwe. Ukuze kuqinisekiswe ukuthi izinga lokushisa lokugcina lokuthulula lilawulwa ngaphakathi kwebanga elidingekayo, isithando somlilo ngasinye kufanele sihlelwe kusengaphambili. Isikhathi nezinga lokushisa.

Ukuthola i-degassing negesi

Ngenxa yokuthi ama-alloys e-copper kulula ukutholakala, ikakhulukazi i-hydrogen, ukuze kutholwe ukukhishwa kwekhwalithi ephezulu, inqubo yokufutha i-nitrogen ephansi isetshenziswa. I-nitrogen eyomile ivuthelwa oketshezini oluyingxubevange ngokusebenzisa phansi okumbozwe phansi. 

Ngesikhathi sokukhula kwe-nitrogen Bubbles, iyasuswa. I-hydrogen encibilikisiwe oketshezini lwethusi ibangela ukuthi insimbi efakwe oketshezini oluyingxubevange iphinde intante ukuze kufezwe injongo yokukhipha umoya nokuhlanza uketshezi lwengxubevange.

Ukuhlolwa okuqukethe igesi ketshezi lwethusi ngokuvamile kulawula ingcindezi yomoya ngenhla -0.092 MPa, kanye ne- okokuhambisa imikhumbi akuyona i-convex ezothathwa njengefanelekayo. Uma izidingo ezingenhla zingafinyelelwanga, ukuqhuma kwe-nitrogen kufanele kuqhubeke kuze kube kufanelekile.

Kuyathulula

Ngemuva kokudlulisa igesi, yeka ukushaya i-nitrogen. Ku-alloy ye-ZCuAl9Fe4Ni4Mn2, lapho uthela ukusakazwa okukhulu, izinga lokushisa elithelekayo lingaba yi-1120 ~ 1140 ℃, imvamisa izinga lokushisa lomugqa liyathathwa ngokuthela, okungahlangabezana nezidingo. Lapho ukuphakelwa kwendlela yokukhuphuka kwenziwa ngesikhathi sokuthululelwa, isikhawu singama-40 ~ 60min isikhathi ngasinye, ukuze kuqinisekiswe ukuqiniswa koku-oda kokuphosa, kuthuthukise umphumela wokuphakelwa kwesikhuphukeli, futhi kuthuthukise ikhwalithi yangaphakathi yokusakaza.

Xhumanisa nale ndatshana: Ukuncibilikisa Nokuthululelwa Kwama-Properler Wensimbi Enkulu

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