Na farko, da yin amfani da carburizing wakili a cikin tanderun carburizing hanya

1. Carbon, a matsayin daya daga cikin muhimman abubuwan da ke cikin simintin ƙarfe, ya fi sauran abubuwa wuyar daidaitawa.Saboda carbon yana da ƙasa da yawa fiye da ƙarfe na ruwa, ƙwarewar sha zai yi ƙasa sosai ba tare da tashin hankali mai ƙarfi ba.Yawancin lokaci a cikin batching, carbon bisa ga babba iyaka na tsari bukatun, da kuma la'akari da smelting tsari na carbon kona ramuwa, don haka jira har karfe cajin bayyana, adadin carbon ne m a cikin tsari kewayon, ko da dan kadan fiye da babba. Hakanan za'a iya amfani da iyaka don ƙara ƙaramin adadin (tsabta, bushe) raguwa yana da sauƙin saukar da shi, a cikin wutar lantarki narke carbon fiye da aikin carburizing ya fi sauƙi.

2. Jerin ciyarwa

Mataki na 1: Da farko sanya wani adadin cajin dawowa (ko sauran ƙananan ƙarfe na ruwa) a ƙasan tanderun, don haka za a iya nutsar da sabon abu a cikin baƙin ƙarfe na ruwa, rage oxidation.

Mataki na 2: Ƙara tarkacen karfe da farko, sannan ƙara wakili na carburizing.A wannan lokacin, wurin narkewar baƙin ƙarfe na ruwa yana da ƙasa, wanda za'a iya narke da sauri don inganta tsayin matakin ruwa, don haka ma'aikacin carburizing ya shiga cikin baƙin ƙarfe na ruwa.Aiki tare da carburizing da baƙin ƙarfe narke ba ya ƙara lokacin narkewa kuma yana cinye ƙasa da ƙarfi.Domin rage ƙarfin FeO ta C ya fi na Si da Mn, ana iya rage hasara mai ƙonewa na Si da Mn ta ƙara carburizer a ƙananan zafin jiki.Yi ƙoƙarin yin amfani da buhunan marufi masu cike da carburizing a cikin tanderun lantarki, kar a yi amfani da tsutsa a cikin tanderun lantarki, don guje wa ɓangarorin da kura ta tsotse su.

Mataki na 3: An narkar da guntun juzu'i kuma ana ƙara cajin dawowa.Don tabbatar da cewa an riga an shayar da wakilin carburizing gaba ɗaya kafin slagging, a wannan lokacin, wutar lantarki mai ƙarfi mai ƙarfi (> 600kW / t) yana da mahimmanci musamman saboda lokacin da ake buƙata don narkewar kayan na iya zama ƙasa da lokacin da ake buƙata don cikakken sha. da carburizer.A lokaci guda, aikin motsa jiki na tanderun lantarki ya kamata a yi amfani da shi zuwa matsakaicin matsayi a cikin aiwatar da ƙaddamar da wakili na carburizing.

Mataki na 4: Idan ma'aunin farfadowa na ma'auni na carburizing da kuma kula da abun ciki na carbon na ruwa na ruwa sun tabbata, za a iya ƙara ma'auni tare da raguwa sau ɗaya.Bugu da kari na biyu na carburizing wakili ne lafiya-tuning carbon (ko kari kone carbon), ya kamata a kara bayan da baƙin ƙarfe liquefier, kafin shiga da ruwa baƙin ƙarfe surface slag raking mai tsabta, har zuwa yiwu don kauce wa carburizing wakili hannu a slag, sa'an nan kuma. wutar lantarki mai ƙarfi ta yin amfani da aikin murɗa wutar lantarki don haɓaka ƙimar sha.

Mataki na 5: Ƙara ferrosilicon da sauran gami, nazarin samfurin, daidaita abun da ke ciki, daga cikin tanda.Ka guji adana ƙarfe na ruwa a babban zafin jiki na dogon lokaci.Na dogon lokaci ajiya na ruwa baƙin ƙarfe a high zafin jiki (musamman dogon lokacin da rufi sama da 1450 ℃) yana da sauki kai ga hadawan abu da iskar shaka na carbon, da karuwa da silicon abun ciki (silicon dioxide an rage) da kuma asarar crystal nuclei a ruwa baƙin ƙarfe. .

Na biyu, da yin amfani da carburizing wakili a cikin kunshin carburizing hanya

Idan ya zama dole don carburize a cikin kunshin, da barbashi size of 100 ~ 300 manufa carburizing wakili za a iya sanya a kasa na kunshin, da kuma high zafin jiki ruwa da baƙin ƙarfe ne kai tsaye flushed zuwa carburizing wakili (ko ƙara da ruwa baƙin ƙarfe). gudana), kuma baƙin ƙarfe yana motsawa sosai bayan rushewa da ɗaukar carbon.Sakamakon carburizing a cikin kunshin ba shi da kyau kamar yadda yake a cikin tanderun wuta, kuma yawan shayarwa yana da wuyar sarrafawa.Ko da kuwa da yin amfani da wani carburizing wakili ko carburizing hanya ya kamata a ƙayyade ta hanyar samar da gwajin carburizing tsari da kuma sha kudi tsari da zarar an ƙaddara, ba sau da sauƙi maye gurbin irin carburizing wakili da kuma asali, idan kana so ka canza shi dole ne wuce da samar da tabbaci. sake.