Allura coke iri ne mai inganci wanda aka haɓaka shi da ƙarfi a cikin kayan carbon. Kamanninsa yana da santsi mai laushi tare da launin toka mai launin azurfa da walƙiya ta ƙarfe. Tsarinsa yana da laushi mai gudana a bayyane, tare da manyan ramuka kaɗan kuma siffarsa mai kama da 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 da aka samar daban-daban, ana iya raba allurar coke zuwa allurar mai da kuma allurar kwal. Allura coke da aka samar daga ragowar man fetur ita ce allurar mai. Allura coke da aka samar daga kwal tar pitch kuma kashinsa shine allurar coke mai jerin kwal.
Ma'aunin da ke shafar ingancin allurar coke sun haɗa da yawan gaske, yawan sulfur, yawan nitrogen, yawan iskar oxygen, yawan toka, yawan faɗaɗa zafi, juriya, yawan girgiza, da sauransu. Saboda takamaiman ma'aunin ma'auni daban-daban, ana iya raba allurar coke zuwa babban matsayi (mafi kyawun aji), aji na farko da aji na biyu.
Bambancin aiki tsakanin kwal da man fetur allurar coke sun haɗa da waɗannan abubuwan.
1. A ƙarƙashin irin wannan yanayi, na'urar lantarki mai siffar graphite da aka yi da man shafawa ta coke ta fi sauƙin siffantawa fiye da na'urar coke ta coal.
2. Bayan yin samfuran graphite, yawan da ƙarfin samfuran graphitized na allurar coke mai jerin mai sun ɗan fi na allurar coke jerin kwal, wanda ke faruwa ne sakamakon faɗaɗa allurar coke jerin kwal yayin graphitization.
3. A cikin takamaiman amfani da na'urar lantarki ta graphite, samfurin da aka graphitized na man allurar coke yana da ƙarancin ma'aunin faɗaɗa zafi.
4. Dangane da ma'aunin zahiri da sinadarai na electrode na graphite, takamaiman juriyar samfurin graphitized na mai allurar coke ya ɗan fi na samfurin coke na kwal.
5. Mafi mahimmanci shine cewa allurar coke ta ma'aunin kwal tana faɗaɗa lokacin da zafin ya kai 1500-2000 ℃ a cikin tsarin graphitization mai zafi, don haka yakamata a sarrafa ƙimar hauhawar zafin jiki sosai, ba hauhawar zafin jiki cikin sauri ba, ya fi kyau kada a yi amfani da tsarin graphitization na jerin, allurar coke ta ma'aunin kwal ta hanyar ƙara ƙari don sarrafa faɗaɗarsa, ƙimar faɗaɗawa za a iya ragewa. Amma yana da wahala a sami allurar coke ta mai.
6. Allurar allurar mai ta Calcined mai tana da ƙaramin coke da ƙaramin girman barbashi, yayin da allurar kwal coke ba ta da abun ciki da kuma babban girman barbashi (35 - 40 mm), wanda zai iya biyan buƙatun girman barbashi na dabara, amma yana kawo wa masu amfani da shi wahala.
7. Dangane da gabatarwar Kamfanin Man Fetur na Japan, ana kyautata zaton cewa sinadarin allurar mai ya fi sauƙi fiye da allurar kwal, don haka yana da sauƙin sarrafa lokacin yin coke da dumama.
Daga abin da ke sama, coke ɗin allurar mai yana da ƙananan nauyi guda huɗu: ƙarancin nauyi na ƙarya, ƙarancin ƙarfi, ƙarancin CTE, ƙarancin juriya na musamman, samfuran farko guda biyu masu ƙarancin nauyi zuwa graphite, samfuran ƙarshe guda biyu masu ƙarancin nauyi zuwa graphite suna da kyau. Gabaɗaya, ma'aunin aiki na coke ɗin allurar mai sun fi coke ɗin allurar kwal, kuma buƙatar aikace-aikacen ma ya 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, yayin da kamfanonin lantarki ke da buƙatar coke na allura, ba tare da buƙatar inganci na musamman ba. Bukatar coke na allurar batir lithium ion ya fi bambanta, kasuwar dijital mai tsada ta fi son coke da aka dafa mai, kasuwar batirin wutar lantarki ta fi dogara da coke tare da aiki mai tsada.
Samar da allurar coke yana da wani matakin fasaha, don haka kamfanonin cikin gida ba kasafai ake samun su ba. A halin yanzu, manyan kamfanonin samar da allurar coke na cikin gida sun hada da: Weifang Fumei new Energy, Shandong Jingyang, Shandong Yida, Jinzhou Petrochemical, Shandong Lianhua, Bora Biological, Weifang Fumei new Energy, Shandong Yiwei, Sinopec jinling Petrochemical, Maoming petrochemical, da sauransu. Jerin allurar coke manyan kamfanonin samar da coal carbon abu na Baowu, fasahar Baotailong, Anshan buɗaɗɗen carbon, Anshan Chemical, Fang Daxi ke Mo, Shanxi Macro, Henan buɗaɗɗen carbon, Xuyang Group, Zaozhuang revitalization, Ningxia Baichuan, Tangshan Dongri sabon makamashi, Taiyuan Shengxu da sauransu.
Lokacin Saƙo: Oktoba-19-2021