Allura coke nau'in halitta ne mai inganci wanda aka haɓaka shi da kayan carbon. Kamanninsa yana da santsi mai laushi tare da launin toka mai launin azurfa da kuma walƙiya ta ƙarfe. Tsarinsa yana da yanayin kwarara a bayyane, tare da manyan ramuka kaɗan kuma ɗan siffar oval. Ita ce kayan da ake amfani da su wajen samar da samfuran carbon masu inganci kamar su electrode mai ƙarfi mai ƙarfi, kayan carbon na musamman, zare na carbon da kayan haɗinsa.
Dangane da kayan samarwa daban-daban, ana iya raba allurar coke zuwa jerin mai da jerin kwal nau'i biyu na allurar coke. Allurar coke da aka samar da ragowar mai a matsayin kayan aiki shine allurar coke mai jerin mai. Allurar coke mai auna kwal da aka samar daga kwal tar pitch kuma ana kiranta allurar coke mai auna kwal.
Ma'aunin da ke shafar ingancin allurar coke sun haɗa da yawan gaske, yawan sulfur, yawan nitrogen, yawan canzawa, yawan toka, yawan faɗaɗa zafi, juriyar lantarki, yawan girgiza-ƙarfi, da sauransu. Saboda takamaiman ma'aunin ma'auni daban-daban, ana iya raba allurar coke zuwa babban matsayi (mafi girma), aji na farko da aji na biyu.
Bambancin aiki tsakanin allurar coke ta ma'aunin kwal da allurar coke ta ma'aunin mai ya haɗa da waɗannan abubuwan.
1. A ƙarƙashin irin wannan yanayi, electrode ɗin graphite da aka yi da man fetur series needle coke ya fi sauƙin samuwa fiye da coke series needle needle needle needle needle needle needle needle needle needle needle needle needle needle needle needle needle.
2. Bayan an yi kayayyakin graphite, samfuran da aka yi wa graphitized na jerin mai na allurar coke suna da ɗan ƙarfi da yawa fiye da na jerin kwal, wanda ke faruwa ne sakamakon faɗaɗa jerin kwal na allurar coke yayin graphitization.
3. A cikin takamaiman amfani da na'urar lantarki ta graphite, samfuran da aka yi wa graphitized tare da man allurar coke suna da ƙarancin ma'aunin faɗaɗa zafi.
4. Dangane da ma'aunin zahiri da sinadarai na electrode na graphite, takamaiman juriya na samfuran graphitized na jerin mai na allurar coke ya ɗan fi na samfuran allurar coke na kwal.
5. Abu mafi mahimmanci shine cewa coke na allurar kwal yana faɗaɗa yayin aiwatar da graphitization mai zafi, lokacin da zafin ya kai 1500-2000 ℃, don haka ya kamata a sarrafa saurin hauhawar zafin jiki sosai, ba a dumama shi da sauri ba, ya fi kyau kada a yi amfani da tsarin graphitization na jerin, coke na allurar kwal ta hanyar ƙara ƙarin abubuwa don sarrafa faɗaɗarsa, ana iya rage yawan faɗaɗawa. Amma yana da wahala a cimma coke na allurar mai.
6. Tsarin man da aka yi da calcined yana da ƙaramin abun ciki na coke da kuma ƙaramin girman hatsi, yayin da allurar ma'aunin kwal ba ta da ƙarancin abun ciki na coke da kuma babban girman hatsi (35-40 mm), wanda zai iya biyan buƙatun girman hatsi na dabarar, amma yana kawo wa mai amfani wahala wajen niƙa shi.
7. A cewar Kamfanin Man Fetur na Japan, ana ganin cewa abun da ke cikin allurar coke mai jerin mai ya fi sauƙi fiye da allurar coke jerin kwal, don haka yana da sauƙin sarrafawa yayin aikin coke.
Daga mahangar da ke sama, allurar coke na tsarin mai yana da ƙananan nauyi guda huɗu: ƙarancin nauyi, ƙarancin ƙarfi, ƙarancin CTE, ƙarancin juriya na musamman, samfuran graphite guda biyu na farko, ƙarancin samfuran graphite guda biyu na ƙarshe suna da kyau. Gabaɗaya, ma'aunin aiki na allurar coke na jerin mai sun fi na allurar coke na jerin kwal kyau, kuma buƙatar aikace-aikacen ta fi yawa.
A halin yanzu, electrode na graphite shine babban kasuwar buƙatar coke na allura, wanda ya kai kusan kashi 60% na jimillar amfani da coke na allura, kuma kamfanonin lantarki suna da buƙatar ingancin coke na allura, ba tare da buƙatar inganci na musamman ba. Kayan anode na batirin lithium ion suna da buƙatu daban-daban na allurar coke, kasuwar dijital mai tsada ta fi son coke da aka dafa mai, kasuwar batirin wutar lantarki ta fi dogara da coke mai rahusa.
Samar da allurar coke yana da wani matakin fasaha, don haka akwai ƙananan kamfanonin cikin gida. A halin yanzu, manyan masana'antun allurar coke na cikin gida sun haɗa da Shandong Jingyang, Shandong Yida, Jinzhou Petrochemical, Shandong Lianhua, Bora Biological, Weifang Fumei New Energy, Shandong Yiwei, Sinopec Jinling Petrochemical, Maoming Petrochemical, da sauransu. Manyan masu samar da allurar coke na ma'aunin kwal sune Baowu Carbon Material, Baotailong Technology, Anshan Kaitan, Angang Chemical, Fang Daxi Kemo, Shanxi Hongte, Henan Kaitan, Xuyang Group, Zaozhuang Zhenxing, Ningxia Baichuan, Tangshan Dongri New Energy, Taiyuan Shengxu, da sauransu.
Lokacin Saƙo: Disamba-02-2022