Babban bambance-bambancen da ke tsakanin coke mai tushen mai da coke mai tushen kwal suna cikin hanyoyin amsawa daban-daban da bambance-bambancen da ke cikin abubuwan da ke cikin sinadarai na kayansu ke haifarwa, wanda daga baya ke haifar da manyan bambance-bambance a cikin juyin halittar tsarin lu'ulu'u, canje-canjen halayen zahiri, da matsalolin sarrafa tsari. Cikakken bincike shine kamar haka:
1. Bambance-bambancen da ke cikin sinadaran da aka samo daga albarkatun ƙasa sun kafa harsashin ɗabi'ar ƙwayoyin halitta
Ana samun coke mai tushen mai daga manyan abubuwan da aka tace kamar ragowar mai da mai da aka bayyana a cikin catalytic cracking oil. Abubuwan da ke cikin sinadarai nasa galibi suna da ɗan gajeren sarkar gefe, polycyclic aromatic hydrocarbons masu alaƙa da layi, tare da ƙarancin abubuwan da ke cikin sulfur, nitrogen, oxygen, da ƙarfe heteroatoms, da kuma ƙarancin ƙazanta mai ƙarfi da kuma quinoline-unsoluble matter. Wannan abun da ke ciki yana haifar da tsarin calcination wanda halayen pyrolysis suka mamaye, tare da hanyar amsawa mai sauƙi da kuma cire ƙazanta gaba ɗaya.
Sabanin haka, ana samar da coke mai tushen kwal daga kwal da kuma abubuwan da ke cikinsa, waɗanda ke ɗauke da babban kaso na dogon sarkar gefe da kuma polycyclic aromatic hydrocarbons masu kauri, tare da adadi mai yawa na sulfur, nitrogen, oxygen heteroatoms, da kuma ƙazanta masu ƙarfi. Haɗaɗɗen abun da ke cikin coke mai tushen kwal yana haifar da ba kawai halayen pyrolysis ba, har ma da manyan halayen condensation yayin calcination, wanda ke haifar da hanyar amsawa mai rikitarwa da kuma wahala mafi girma wajen cire ƙazanta.
2. Bambance-bambancen da ke cikin Tsarin Gilashin Lu'ulu'u Ya Shafi Sifofin Kayan Aiki
A lokacin da ake yin kauri, ƙwayoyin carbon microcrystals a cikin coke mai tushen mai suna ƙaruwa a hankali a diamita (La), tsayi (Lc), da adadin yadudduka a cikin lu'ulu'u (N). Abubuwan da ke cikin ƙananan kristal na graphite (Ig/Iall) suma suna ƙaruwa sosai. Duk da cewa Lc yana fuskantar "wurin juyawa" saboda tserewar abubuwa masu canzawa da raguwar coke mai ɗanɗano, tsarin lu'ulu'u gabaɗaya yana zama na yau da kullun, tare da babban matakin graphitization. Wannan juyin halittar yana ba da coke mai tushen mai tare da kyawawan halaye kamar ƙarancin haɓakar zafi, ƙarancin juriyar lantarki, da babban ƙarfin lantarki bayan kauri, wanda hakan ya sa ya dace musamman don ƙera manyan electrodes na graphite mai ƙarfin gaske.
Hakazalika, tsarin carbon microcrystal na coke mai tushen kwal yana tasowa tare da ƙaruwar La, Lc, da N yayin calcination. Duk da haka, saboda tasirin ƙazanta da halayen condensation a cikin kayan, akwai ƙarin lahani na crystal, kuma ƙaruwar abun ciki na graphite microcrystal mai kyau yana da iyaka. Bugu da ƙari, yanayin "inflection point" na Lc ya fi bayyana a cikin coke mai tushen kwal, kuma sabbin yadudduka da aka ƙara suna nuna "lalacewar stacking" bazuwar tare da yadudduka na asali, wanda ke haifar da manyan canje-canje a cikin tazara tsakanin layuka (d002). Waɗannan halayen tsarin suna haifar da coke mai tushen kwal yana da ƙarancin ƙimar faɗaɗa zafi da juriyar lantarki fiye da coke mai tushen mai bayan calcination, amma ƙarancin ƙarfi da juriyar abrasion, wanda hakan ya sa ya fi dacewa don samar da manyan electrodes masu ƙarfi da matsakaicin matsakaici electrodes masu ƙarfi.
3. Bambancin Canje-canje a cikin Kadarorin Jiki Ya ƙayyade Yankunan Aikace-aikace
A lokacin da ake tace sinadarin, sinadarin coke mai tushen mai yana fuskantar kwararar abubuwa masu canzawa sosai da raguwar girmansa iri ɗaya, wanda ke haifar da ƙaruwa mai yawa a yawan gaske (har zuwa 2.00–2.12 g/cm³) da kuma ingantaccen ƙarfi a cikin injina. A lokaci guda, ana ƙara yawan wutar lantarki, juriya ga iskar shaka, da kuma daidaiton sinadarai na kayan da aka yi amfani da su wajen tace sinadarin, wanda hakan ke cika ƙa'idodin aiki masu tsauri ga samfuran graphite masu inganci.
Sabanin haka, coke mai tushen kwal yana fuskantar yawan damuwa na gida yayin da abubuwa masu canzawa ke tserewa saboda yawan dattinsa, wanda ke haifar da raguwar girma da ƙaramin ƙaruwa a cikin yawan gaske. Bugu da ƙari, ƙarancin ƙarfi da rashin juriyar gogewa na coke mai tushen kwal bayan calcination, tare da yanayin faɗaɗawa yayin graphitization mai zafi, yana buƙatar kulawa mai tsauri kan ƙimar hauhawar zafin jiki. Waɗannan halayen halayen suna iyakance amfani da coke mai tushen kwal a cikin filayen da ke da tsayi, kodayake ƙarancin ƙimar faɗaɗa zafi da juriyar lantarki har yanzu suna sa ba za a iya maye gurbinsa a takamaiman wurare ba.
4. Bambancin Matsalolin Sarrafa Tsarin Aiki Yana Shafar Ingancin Samarwa
Saboda sauƙin haɗakar sinadarai, coke mai tushen mai yana nuna hanyoyin amsawa masu kyau yayin calcination, wanda ke haifar da ƙarancin wahalar sarrafa tsari. Ta hanyar inganta sigogi kamar zafin calcination, saurin dumama, da kuma sarrafa yanayi, ana iya inganta inganci da ingancin samarwa na samfuran calcined yadda ya kamata. Bugu da ƙari, yawan abubuwan da ke cikin coke mai canzawa yana samar da makamashin zafi da kansa yayin calcination, wanda ke rage farashin samarwa.
Sabanin haka, hadaddun sinadaran da ke cikin coke mai tushen kwal yana haifar da hanyoyi daban-daban na amsawa yayin calcination, yana ƙara wahalar sarrafa tsari. Ana buƙatar tsauraran matakan sarrafa kayan da aka samar kafin a fara aiki, daidaitaccen sarrafa yawan dumama, da kuma daidaita yanayi na musamman don tabbatar da ingantaccen ingancin samfur bayan calcination. Bugu da ƙari, coke mai tushen kwal yana buƙatar ƙarin ƙarin makamashin zafi yayin calcination, ƙara farashin samarwa da amfani da makamashi.
Lokacin Saƙo: Afrilu-07-2026