Coke man fetur baƙar fata ne ko launin toka mai launin toka mai kauri mai kauri mai ƙyalli kuma yana da ƙura.

Abubuwan coke na man fetur sune hydrocarbons, wanda ya ƙunshi 90-97% carbon, 1.5-8% hydrogen, nitrogen, chlorine, sulfur da mahadi masu nauyi.Coke Petroleum wani samfur ne na pyrolysis na man feedstock a cikin jinkirin coking raka'a a babban yanayin zafi don samar da kayan mai mai haske.Abubuwan da ake samu na man coke kusan 25-30% na ɗanyen mai.Ƙimar ƙarancin calorific ɗinsa shine kusan sau 1.5-2 na kwal, abun cikin ash bai wuce 0.5% ba, al'amarin mara ƙarfi shine kusan 11%, kuma ingancin yana kusa da anthracite.Dangane da tsari da bayyanar coke na man fetur, samfuran coke na man fetur za a iya raba su zuwa nau'ikan 4: coke coke, coke soso, coke projectile da coke foda:

(1) Allura coke, tare da bayyanannen allura-kamar tsari da fiber texture, yafi amfani a matsayin high-power da matsananci-high-power graphite lantarki a karfemaking.Tun da coke allura yana da ƙayyadaddun buƙatun ƙididdiga masu inganci dangane da abun ciki na sulfur, abun cikin ash, al'amura masu canzawa da yawa na gaskiya, akwai buƙatu na musamman don fasahar samar da coke na allura da albarkatun ƙasa.

(2) Soso coke, tare da high sinadaran reactivity da low kazanta abun ciki, yafi amfani a aluminum smelting masana'antu da carbon masana'antu.

(3) Coke Projectile ko mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar zuwa girman girman girman girman 0.6-30mm.Gabaɗaya ana samar da shi daga babban sulfur da babban-asphaltene ragowar mai kuma ana iya amfani da shi azaman makamashin masana'antu kamar samar da wutar lantarki da siminti.

(4) Powder coke: Ana samar da shi ta hanyar aiwatar da coking mai ruwa, tare da ƙananan barbashi (0.1-0.4mm a diamita), babban abun ciki maras tabbas da babban haɓakar haɓakar thermal, don haka ba za a iya amfani da shi kai tsaye a cikin shirye-shiryen lantarki da masana'antar carbon ba.

Dangane da nau'in sulfur daban-daban, ana iya raba shi zuwa coke mai girma-sulfur (abincin sulfur sama da 3%) da ƙananan sulfur coke (abincin sulfur da ke ƙasa da 3%).Za a iya amfani da Coke low-sulfur azaman manna anode da prebaked anodes don shuke-shuken aluminium da kuma azaman graphite lantarki don shuke-shuken karfe.Daga cikin su, ana iya amfani da coke mai ƙarancin sulfur mai inganci (abincin sulfur ƙasa da 0.5%) don samar da lantarki na graphite da masu haɓaka carbon.Coke low-sulfur na ingancin gabaɗaya (kasa da 1.5% sulfur) galibi ana amfani dashi don samar da anodes da aka riga aka gasa.Coke mai ƙarancin inganci ana amfani da shi don narke silicon masana'antu da samar da manna anode.Ana amfani da coke mai girma-sulfur gabaɗaya azaman mai a cikin shuke-shuken siminti da wutar lantarki.

Calcined Petroleum Coke:

A game da na'urorin lantarki na graphite don yin ƙarfe ko facin anode (narkewar lantarki) don samar da aluminium da magnesium, don daidaita coke na man fetur (coke kore) zuwa buƙatun, koren coke dole ne a ƙididdige shi.Matsakaicin zafin jiki gabaɗaya yana kusa da 1300 ° C, manufar ita ce a cire abubuwan da ba su da ƙarfi na coke ɗin mai gwargwadon iko.Ta wannan hanyar, za a iya rage abubuwan da ke cikin hydrogen na coke na man fetur da aka sake yin amfani da su, kuma za a iya inganta digiri na graphitization na coke na man fetur, ta yadda za a inganta ƙarfin zafin jiki da ƙarfin zafi na graphite electrode, da kuma inganta ƙarfin lantarki na graphite. lantarki.Calcined coke ne yafi amfani a samar da graphite electrodes, carbon manna kayayyakin, lu'u-lu'u yashi, abinci-sa phosphorus masana'antu, karfe masana'antu da kuma calcium carbide, daga cikinsu graphite lantarki da aka fi amfani.Ana iya amfani da koren koren kai tsaye don calcium carbide a matsayin babban abu na calcium carbide ba tare da calcination ba, kuma don samar da silicon carbide da boron carbide a matsayin kayan abrasive.Hakanan za'a iya amfani dashi kai tsaye azaman coke don fashewar tanderu a masana'antar ƙarfe ko bulo na carbon don rufin bangon wuta, kuma ana iya amfani dashi azaman coke mai yawa don aiwatar da simintin simintin.