site logo

LINE CLING

LINE CLING

Ana amfani da kayan juzu’i a ƙarƙashin yanayi mai tsanani wajen samar da ƙarfe. Waɗannan sun haɗa da yanayin zafi mai girma da girgizar zafi wanda ke haifar da canje-canje kwatsam a zafin jiki. Lokacin da aka ɗora narkakken ƙarfe daga mai canzawa ko tanderun wutar lantarki, zafin jiki wani lokaci yakan kai ga ƙima mai girma (> 1700oc). Yawancin lokaci, kafin a yi wa narkakken ƙarfe allurar, zafin aikin layin ladle ɗin yana tsakanin 800-1200, wanda ke haifar da damuwa a cikin layin aiki na rufi, wanda zai iya sa Layer ɗin aiki ya bace.

An sani cewa iyawar slag don amsawa a yanayin zafi mai zafi yana haifar da lalata kayan haɓakawa. Canjin abun da ke ciki na slag ya dogara ne akan tsarin narkewa. A cikin tsarin narkewar da ake da shi, galibi yana da alaƙa da slag na alkaline, wanda galibi zai iya amsawa tare da rufin bulo na corundum. A halin yanzu, tubalin corundum periclase ko corundum spinel tubalin ana yawan amfani da su don cikakken rufin ladle. Lokacin da aka yi amfani da simintin gyare-gyaren da ke ɗauke da spinel (10% -25%) azaman rufin ladle, ikonsa na tsayayya da lalacewa yana da mahimmanci musamman, saboda tsarin kristal ɗinsa yana taimakawa kama jerin nau’ikan cations na divalent ko trivalent (Fe2+ Jira). Refractories mai ƙunshe da kashin baya suna da ƙarancin buɗaɗɗen porosity da kyawawan kaddarorin inji. Duk da haka, kayan da aka kara da magnesium oxide suna maye gurbin fiye da waɗannan kayan, na farko saboda dalilai na farashi. Amma kuma yana da alaƙa da kyakkyawan juriyar shigarsa.

Wasu masu bincike sun yi imanin cewa waɗannan ayyuka masu kyau suna da alaƙa da girman nauyin kayan da kuma babban yanki na yanki. Samuwar kashin baya yana tare da haɓakar ƙananan pores a cikin matrix refractory. Lemun tsami ko slag na iya mayar da martani tare da alumina kuma su samar da calcium hexaluminate, wanda ke haifar da fadadawa, yana haifar da rufe wasu ƙananan pores.

Preheating na dindindin Layer na rufin ladle shine muhimmin abu wanda ke shafar aikinsa. Hakanan mataki ne mai mahimmanci. A wannan lokacin, duk wani karkacewa daga madaidaicin yanayin dumama zai haifar da damuwa mai yawa a cikin rufin, wani lokacin Fashewar fashe yana haifar da aikin injiniya, wanda shine mafi haɗari yayin amfani da rufin. Jerin sarrafa narkakkar karfe da hawan keke yayin amfani da ledar na iya haifar da wasu labule su zama masu rauni da bawo.