Gashin kwal, an yi shi ne da gajeren ma'aunin kwal, sarrafa ma'aunin kwal bayan cire ragowar ma'aunin ruwa, yana cikin wani nau'in kwalta na wucin gadi, gabaɗaya don ruwa mai laushi, mai ɗan ƙarfi ko mai ƙarfi, baƙi kuma mai sheƙi, gabaɗaya yana ɗauke da carbon 92 ~ 94%, hydrogen kusan 4 ~ 5%. Gashin kwal babban samfuri ne a cikin aikin sarrafa kwal kuma abu ne da ba za a iya maye gurbinsa ba don samar da carbon.
Manufar tace kwal ita ce a tattara mahadi masu ma'aunin tafasa iri ɗaya a cikin kwal zuwa ƙananan sassa masu dacewa don ƙarin sarrafawa da raba samfuran monomer. Sauran fitar da kwal shine kwal kwal kwal, wanda ya kai kashi 50% ~ 60% na kwal kwal.
Dangane da wurare daban-daban na laushi, ana raba kwaltar kwal zuwa kwalta mai ƙarancin zafi (kwalta mai laushi), kwalta mai matsakaicin zafi (kwalta na yau da kullun), kwalta mai zafi (kwalta mai tauri) rukuni uku, kowane rukuni yana da maki 1 da maki 2 maki biyu.
Ana amfani da bitumen na kwal a fannoni kamar haka:
* Man Fetur: Ana iya haɗa abubuwa masu ƙarfi da mai mai nauyi ko kuma a yi amfani da su wajen yin slurry, wanda zai iya taka rawar maye gurbin mai mai nauyi.
Fenti: Fenti da ke ƙara rosin ko turpentine da abubuwan cikawa yayin dafa mai don gine-gine ko bututu masu hana ruwa shiga. Ya dace da tsarin ƙarfe na waje, siminti da rufin gini mai hana ruwa shiga da kuma Layer kariya, kuma ana iya fenti da fenti a zafin ɗaki.
* Gina hanyoyi, kayan gini: gabaɗaya an haɗa su da kwalta na man fetur, kwalta na kwalta da kwalta na man fetur idan aka kwatanta, akwai gibin inganci da gibin dorewa. Kwalta na kwal ba shi da ƙarfi a fannin filastik, rashin daidaiton zafin jiki, rauni a lokacin hunturu, laushi a lokacin rani, kuma yana tsufa da sauri.
* Mai ɗaurewa: Yi amfani da na'urar haɗa lantarki, man shafawa na anode da sauran na'urorin haɗa sinadarai na carbon, wanda galibi ana gyara kwalta. Gabaɗaya, ana shirya kwalta da aka gyara daga kwalta mai matsakaicin zafin jiki. A China, galibi ana amfani da tsarin dumama kettle, kuma ana amfani da iskar gas a matsayin mai don dumama kwalta a cikin reactor. A ƙarshe, ana samun kwalta mai ƙarfi da aka gyara ta hanyar rabuwa da granulation.
* Coke na kwalta: ragowar kwalta mai ƙarfi bayan an yi amfani da shi a yanayin zafi mai yawa ko kuma an jinkirta yin coke. Ana amfani da coke na kwalta a matsayin kayan aiki na musamman don kayan carbon, wanda ba makawa ne don kera kayan aikin semiconductor da na samar da hasken rana. Ana amfani da shi sosai a matsayin kayan lantarki don tace aluminum, kayan carbon don yin ƙarfe na tanderu na lantarki da kuma kayan aikin carbon na musamman don semiconductor.
* Allura coke: kwalta mai laushi da aka tace ta hanyar amfani da kayan da aka riga aka yi amfani da su, jinkirin coking, hanyoyin sarrafa zafin jiki masu zafi guda uku, galibi ana amfani da su wajen kera lantarki da samfuran carbon na musamman. Kayayyakin da aka yi daga kayan da aka yi amfani da su suna da ƙarancin juriya, ƙarancin yawan faɗaɗa zafi, ƙarfin zafi mai ƙarfi, ƙarfin injina mai kyau da kuma kyakkyawan juriyar iskar shaka.
* Zaren Carbon: zare na musamman mai fiye da kashi 92% na sinadarin carbon da aka samu daga kwalta ta hanyar tacewa, juyawa, kafin oxidation, carbonization ko graphitization.
* Fentin mai, carbon mai aiki, baƙar carbon da sauran amfani.
Lokacin Saƙo: Nuwamba-30-2022