Coke mai siffar graphitized: "Sarki" Tsakanin Masu Haɗa Carburizing

Ana ɗaukar coke mai siffar graphitized a matsayin "sarki" tsakanin masu samar da carburizing galibi saboda tsarkinsa mai yawa, yawan lu'ulu'u, ingantaccen saurin sha, da kwanciyar hankali, yana nuna ƙimar da ba za a iya maye gurbinta ba a fannoni da yawa kamar ƙarfe, samar da samfuran graphite, da masana'antar soja. Ana gudanar da bincike mai zuwa daga girma uku: manyan halaye, fa'idodin tsari, da yanayin aikace-aikace.

I. Babban Halaye: "Generations na Sarauta" na Coke na Man Fetur Mai Zane

Tsarkakakken Tsabta da Ƙananan Tsabta

Ana yin maganin graphitization mai zafi a zafin jiki na 2200 - 2600℃, wanda ke kawar da yawancin ƙazanta kamar sulfur, nitrogen, da toka. Yawan sinadarin carbon da ke cikinsa ya kai kashi 80% - 92%, tare da sinadarin sulfur ƙasa da ≤0.1% da kuma sinadarin nitrogen ≤0.5%. Wannan siffa mai tsarki tana tabbatar da cewa ba ta gabatar da abubuwa masu cutarwa ba yayin aikin carburizing, wanda hakan ke inganta ingancin ƙarfe sosai. Misali, a fannin yin ƙarfe, ƙarancin sinadarin sulfur na iya rage yanayin "zafi mai karyewa" da kuma ƙara juriyar ƙarfe.

Babban Crystallinity da Strength

Tsarin graphitization yana shirya ƙwayoyin carbon zuwa wani tsari na yau da kullun na graphite, yana samar da tsarin crystallinity mai girma. Wannan tsari ya fi karko a yanayin zafi mai yawa kuma ba shi da saurin oxidation da lalacewa, wanda ke tabbatar da tasirin carburization na dogon lokaci. Sabanin haka, coke na petroleum mara graphitized yana da saurin rugujewa a yanayin zafi mai yawa, wanda ke haifar da raguwar yawan shan carbon.

Tsarin rami da kuma babban martani

Coke mai siffar petroleum yana da tsari mai ramuka tare da babban yanki na musamman, wanda ke ba shi damar haɗuwa da sauri da kuma ruɓewa a cikin narkewar ƙarfe ko ƙarfe don samar da ƙwayoyin cuta, wanda hakan ke inganta yawan shan carbon. Bayanan gwaji sun nuna cewa tasirin shan carbon ɗin yayi daidai da na sinadaran carbonizing na kwal waɗanda ke ɗauke da sinadarin carbon sama da kashi 90%, amma yana da saurin amsawa, wanda zai iya rage lokacin narkewa da kashi 10% - 15%, wanda zai cimma nasarar kiyaye makamashi da rage amfani da shi.

II. Fa'idodin Tsarin: Juya Dutse Zuwa Zinare Ta Hanyar Gyaran Zane-zane

Inganta Tsarin Kwayoyin Halitta

Maganin graphitization yana faɗaɗa tazara tsakanin ƙwayoyin carbon, yana samar da tsarin lu'ulu'u mai siffar hexagonal wanda ya fi dacewa da rugujewa. Wannan tsari zai iya fitar da ƙwayoyin carbon cikin sauri a cikin narkewar ƙarfe, yana haɓaka nucleation na graphite da inganta yanayin graphite na ƙarfen siminti (kamar ƙara yawan graphite na spheroidal), ta haka yana haɓaka halayen injiniya da ƙwarewar simintin.

Daidaito tsakanin Farashi da Inganci

Duk da cewa maganin graphitization yana buƙatar amfani da makamashi mai zafi sosai, yawan shansa da kwanciyar hankalinsa na iya rage yawan sinadarin carburising da ake amfani da shi (yawanci kashi 20% - 30% ƙasa da sinadarin carburising da ake amfani da shi a kwal) da kuma rage asarar da ake samu sakamakon sake daidaita abubuwan da aka haɗa. A ƙarshe, farashin gaba ɗaya ya yi ƙasa, kuma yana iya inganta ingancin samfura a hankali.

III. Yanayin Aikace-aikace: "Ɗan wasa mai zagaye-zagaye" daga ƙarfe zuwa fasaha mai zurfi

Masana'antar Ƙarfe: Garanti Biyu Don Carburization da Inganta Inganci

• Yin Karfe: Ta hanyar ƙara yawan tarkacen ƙarfe da rage amfani da ƙarfen alade, tare da haɗakar ƙarfe ta amfani da man fetur mai siffar graphitized, farashin simintin za a iya rage shi da kashi 10% - 20%, yayin da ake inganta tsarki da halayen injiniya na ƙarfe.
• Siminti: Yana inganta yanayin simintin graphite da matakin nodularity, yana tsawaita tsawon rayuwar simintin. Misali, a cikin simintin silinda na injin mota, amfani da coke na man fetur mai siffar graphitized na iya ƙara juriyar simintin da kashi 15% - 20%.

Samar da Samfurin Graphite: Tushen Kayan Aiki Masu Kyau

Coke mai siffar petroleum coke babban kayan aiki ne don samar da manyan tubalan cathode, electrodes na carbon, electrodes masu siffar graphitized, da manna electrode masu aiki sosai. Tsarkakakken sa da kuma yawan lu'ulu'u na iya biyan buƙatun tanderun masana'antu da ke tasowa zuwa manyan girma da kuma manyan girma, suna rage asarar iskar shaka a yanayin zafi mai yawa da kuma tsawaita rayuwar kayan aiki.

Masana'antar Soja: Mai Yiwuwa a Fannin Kayan Hana Harsasai

Ana ɗaukar lu'u-lu'u baƙi (lu'u-lu'u na halitta mai siffar polycrystalline) a matsayin kayan yumbu na gaba don toshe harsasai masu huda sulke saboda tsananin taurinsa (na biyu kawai da lu'u-lu'u da boron nitride) da ƙarancin yawa (2.52 g/cm³). Coke mai siffar petroleum, ta hanyar sarrafa shi da zurfi, zai iya maye gurbin lu'u-lu'u baƙi a cikin samar da masu daidaita kayan aikin soja, wanda ke rage dogaro da ƙarancin albarkatu.

Sauran Fagen Masana'antu: "Kayan Taimako na Duniya" don Aikace-aikacen Ƙasashen Waje

• Masana'antar Sinadarai: Yana aiki a matsayin wakili mai rage zafi, yana rage kumburin jijiyoyi, da kuma kayan da ke hana kumburi.
• Masana'antar Lantarki: Ana amfani da shi don ƙera burushin carbon, inganta watsa wutar lantarki da juriyar lalacewa.
• Masana'antar Baturi: Ana amfani da shi a cikin kayan lantarki don haɓaka yawan kuzari da tsawon lokacin zagayowar.
• Masana'antar Inji: Yana aiki a matsayin mai don rage asarar gogayya.

Kammalawa: "Hanyar Sarauta" ta Coke Mai Zane-zane

Coke mai siffar graphitized ya kafa wani ma'auni a fannin sinadaran carburizing tare da keɓantattun halayensa na zahiri da sinadarai. Ba wai kawai yana magance matsalolin yawan ƙazanta da ƙarancin yawan shan sinadarai na gargajiya ba, har ma yana haɓaka haɓaka kayan aiki a fannin ƙarfe, samar da samfuran graphite, da masana'antar sojoji ta hanyar yawan lu'ulu'u da kwanciyar hankali. Tare da ƙaruwar buƙatar kiyaye makamashi, rage fitar da hayaki, da kuma masana'antar kera kayayyaki masu inganci, "matsayin sarki" na coke mai siffar graphitized zai ƙara ƙarfi, wanda hakan zai sa ya zama "lu'u-lu'u baƙi" mai mahimmanci a haɓaka masana'antu.