Coke Petroleum samfuri ne mai ɗanɗano mai ƙonewa da aka samu daga ragowar man fetur da kuma kwalta na man fetur ta hanyar coking. Launi baƙar fata ne kuma mai ƙyalƙyali, babban abun ciki shine carbon, kuma abun cikin ash yana da ƙasa sosai, gabaɗaya ƙasa da 0.5%. Coke man fetur wani nau'i ne na carbon mai sauƙin graphitized, man fetur coke yana da fa'ida da amfani a masana'antar sinadarai, ƙarfe da sauran masana'antu, kuma shine babban kayan da ake samarwa na samfuran graphite na wucin gadi da samfuran carbon carbon electrolytic.
Dangane da yanayin zafin zafi, ana iya raba coke na man fetur zuwa nau'i biyu: danyen coke da coke calcined. Tsohon coke na man fetur da aka samu daga jinkirta coking yana ƙunshe da abun ciki mai sauƙi kuma yana da ƙananan ƙarfin inji. Ana samun coke calcined ta calcination. Yawancin matatun mai a kasar Sin suna samar da danyen coke ne kawai, kuma galibi ana gudanar da aikin sarrafa sinadarin ne a cikin tsire-tsire na carbon.
Ana iya raba coke na man fetur zuwa babban sulfur coke (wanda ya ƙunshi fiye da 1.5% sulfur), matsakaicin sulfur coke (wanda ya ƙunshi 0.5% -1.5% sulfur), da ƙananan sulfur coke (wanda ya ƙunshi ƙasa da 0.5% sulfur) nau'i uku, graphite electrodes da sauran kayan aikin sulfur na wucin gadi gabaɗaya suna amfani da ƙananan sulfur.
Allura coke wani nau'i ne na coke mai inganci tare da bayyananniyar nau'in fibrous, musamman ƙananan haɓakar haɓakar zafin zafi da sauƙin zane. Lokacin da COKE yake toshe karya, ana iya raba shi cikin kayan tsallake ƙwayoyin cuta a bisa ga abin da aka tsara (sashi na fili gabaɗaya ana iya lura da shi a ƙarƙashin 1.75).
Anisotropy na jiki da na inji na coke na allura a bayyane yake, kuma yana da kyawawan halayen wutar lantarki da na thermal daidai da dogayen axis na barbashi, kuma madaidaicin haɓakar thermal yana da ƙasa. A lokacin extrusion gyare-gyare, da dogon axis na mafi barbashi an shirya bisa ga extrusion shugabanci. Don haka, coke allura shine mabuɗin albarkatun ƙasa don kera manyan lantarki ko ultra-high-power graphite electrodes, waɗanda ke da ƙarancin juriya, ƙananan haɓakar haɓakar thermal da kuma juriya mai kyau na thermal.
An raba coke ɗin allura zuwa coke ɗin allurar mai da aka samar daga ragowar man fetur da coke ɗin coal ɗin kwal da aka samar daga kwalta mai tsafta.
Farar kwal ɗin kwal ɗaya ce daga cikin manyan samfuran sarrafa kwal mai zurfi. Yana da cakuda iri-iri na hydrocarbons, baƙar fata high danko Semi-m ko m a dakin da zafin jiki, ba tare da kafaffen narkewa batu, taushi bayan zafi, sa'an nan narke, tare da yawa na 1.25-1.35g/cm3. Dangane da tausasa batu ya kasu kashi low zazzabi, matsakaici da kuma high zafin jiki kwalta iri uku. Yawan adadin kwalta na matsakaicin zafin jiki shine 54-56% na kwalta kwal. Abun da ke tattare da farar kwal yana da matukar rikitarwa, wanda ke da alaƙa da mallakar kwal ɗin kwal da abubuwan da ke cikin heteroatoms, sannan tsarin sarrafa coking da yanayin sarrafa kwal ɗin ya shafa. Akwai fihirisa da yawa don siffanta kaddarorin farar kwal, irin su kwalta laushi batu, toluene insoluble (TI), quinoline insoluble (QI), coking darajar da rheological Properties na kwal farar.
Ana amfani da farar kwal azaman mai ɗaure da wakili mai haɓakawa a cikin masana'antar carbon, kuma kaddarorin sa suna da babban tasiri akan tsarin samarwa da ingancin samfuran samfuran carbon. Binder kwalta gabaɗaya yana amfani da matsakaicin zafin jiki ko matsakaicin zafin jiki wanda aka gyara kwalta tare da matsakaicin laushi mai matsakaici, ƙimar coking mai girma da babban guduro beta, kuma wakili na impregnation yakamata yayi amfani da matsakaicin zafin jiki tare da ƙarancin laushi, ƙananan QI da kyakkyawan rheology.
Lokacin aikawa: Fabrairu-07-2025