Narkewa Da Zuba Manyan Na'urorin Taro Na Tagulla

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Haɗe tare da ƙirar tsarin simintin simintin gyare-gyare mai girma, yi la'akari da sigogin tsari masu dacewa kamar raguwa, lalacewa, da ƙarar sarrafawa; Yin amfani da narkar da tanderu da yawa, sarrafa madaidaicin zafin jiki mai narkewa, tsarin zubar da ruwa, da zub da zafin jiki sune abubuwan da ake buƙata don tabbatar da simintin gyare-gyare.

Ta hanyar zayyana tsarin zub da alluran ƙasa, kuma bayan an zubo wa mai hawan 1/3, ana ƙara ruwan jan ƙarfe mai zafin jiki don rage hawan don tabbatar da cewa kayan aikin gyare-gyare ƙarfafa a jere, wanda shine maɓalli mai mahimmanci don samun ingancin ciki na simintin gyare-gyare.

Ji

Saboda babban nauyi na paddle ɗin shine 57t, ana amfani da tanderun lantarki na mitar mita 30t don narkewa. Ana aiwatar da rabon kayan ZCuAl9Fe4Ni4Mn2 sosai. Ana sarrafa zafin jiki na smelting a 1200 ~ 1250 ℃. Ana yin nazarin sinadarai da gwajin lankwasawa a cikin tanderun don sanin ko maganin gami ya dace da buƙatun. . Da zarar ya cancanta, ana iya sakin tanderun. 

Tunda ana amfani da nau'i-nau'i daban-daban guda biyu don zubar da lokaci ɗaya, dole ne a sarrafa zafin jiki a cikin kowane ladle. Domin tabbatar da cewa ana sarrafa zafin jiki na ƙarshe a cikin kewayon da ake buƙata, kowane tanderun dole ne a shirya shi a gaba. Lokaci da zafin jiki.

Degassing da gano iskar gas

Saboda abubuwan jan ƙarfe na jan karfe suna da sauƙi don samun, galibi hydrogen, don samun simintin gyare-gyare masu inganci, ana amfani da tsarin busa nitrogen da ke ƙasa. Ana hura busasshen nitrogen a cikin ruwan gami ta ƙasan da aka rufe. 

A lokacin haɓakar kumfa nitrogen, an ɗauke shi. A hydrogen narkar da a cikin tagulla ruwa sa karfe inclusions a cikin gami ruwa su ma taso kan ruwa har zuwa cimma manufar degassing da tsarkakewa da gami ruwa.

Gwajin da ke ɗauke da iskar gas na ruwan jan ƙarfe gabaɗaya yana sarrafa karfin iska sama da -0.092 MPa, kuma jirgin ruwa propellers ba convex da za a dauka a matsayin cancanta. Idan abubuwan da ke sama ba su cika ba, yakamata a ci gaba da hura nitrogen har sai ta cancanta.

Zubawa

Bayan wuce gas, daina busa nitrogen. Domin ZCuAl9Fe4Ni4Mn2 gami, lokacin da ake zuba manyan simintin gyare-gyare, yawan zafin jiki na zubewar zai iya zama 1120 ~ 1140 ℃, yawanci ana ɗaukar zafin layin don zubawa, wanda zai iya biyan bukatun. Lokacin da ake ciyar da hawan hawan yayin zubarwa, tazarar shine 40 ~ 60min kowane lokaci, don tabbatar da ingantaccen tsari na simintin, inganta tasirin ciyarwar mai tashi, da haɓaka ingancin ciki na simintin.

Shiga wannan labarin ： Narkewa Da Zuba Manyan Na'urorin Taro Na Tagulla

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