Oxygen free jan karfeyana nufin jan ƙarfe mai tsafta wanda baya ɗauke da iskar oxygen ko sauran ragowar deoxidizer. A cikin samarwa da samar da sandar jan karfe anaerobic, ana amfani da jan ƙarfe anaerobic da aka sarrafa azaman albarkatun ƙasa don samarwa da jefawa. Ingancin sandar jan ƙarfe mara iskar oxygen da aka yi da inganci kuma yana da kyau.
1. Cin nasara da fasa simintin gyaran kafa
Hanyar rage yawan zafin jiki na bangon simintin gyare-gyare shine hanya mafi inganci da ya kamata a kula da shi. Ana amfani da ƙirar ƙarfe a matsayin bayyanar, ana amfani da yashin pellet na baƙin ƙarfe a matsayin ɗigon laka, kuma ɗigon laka yana haɗe da magudanar ruwa. Tasirin shawo kan tsagewar simintin gyare-gyare a bayyane yake.
2. Argon gas kariya simintin gyaran kafa
Saboda jan ƙarfe da ba shi da iskar oxygen yana da ƙaƙƙarfan hali na iskar oxygen da ilhama, ya kamata a ɗauki matakan kariya don ruwan jan ƙarfe idan ya fito daga cikin tanda yana zubowa. Nitrogen da argon gas za a iya amfani da. Tare da kariyar gas na argon, abun cikin iskar oxygen na simintin gyare-gyare na iya kusan ba zai iya ƙaruwa ta hanyar rufaffiyar zubowa ba.
3. Zaɓin fenti
Don jan ƙarfe ba tare da iskar oxygen ba, yana da kyau a yi amfani da fenti na zirconium ko fesa harshen wuta acetylene baki akan fentin zirconium. Aiki ya tabbatar da cewa simintin gyare-gyaren da aka zuba tare da irin wannan fenti yana da santsi, babu alamun gas, kuma hayaƙin baki yana da deoxidation.
4. Yin amfani da zafin jiki irin na karfe
Yawan zafin jiki na amfani da ƙarfe na ƙarfe yana da tasiri a kan tsagewa, yawa, ƙarewar ƙasa da ƙananan pores na simintin gyaran kafa. An tabbatar da shi ta hanyar yin amfani da zafin jiki na ƙarfe na ƙarfe na zub da tagulla maras isashshen oxygen shine mafi kyawun sarrafawa a kusan 150 ℃.
5. Matakan tsari
Simintin gyare-gyare na jan ƙarfe na kyauta na oxygen ya fi wuya, kuma ana buƙatar taimakawa wasu matakai, irin su sarrafa saurin zubar da ruwa, tsarin tsarin zubar da ruwa, ƙaddamar da ƙaddamarwa, da dai sauransu. Za'a iya amfani da ka'idar simintin ƙarfe ba tare da ferrous ba kuma ana iya haɗa halayen simintin da kanta tare da zaɓi mai dacewa na matakan fasaha.
Lokacin aikawa: Nuwamba-23-2022