Wadanne abubuwa ake buƙata don sarrafa takarda graphite?

Takardar zane takarda ce ta musamman da aka yi da graphite. Lokacin da aka tono graphite daga ƙasa, kamar ma'auni ne, kuma ana kiransa graphite na halitta. Irin wannan graphite dole ne a bi da shi kuma a tace shi kafin a iya amfani da shi. Na farko, graphite na halitta ana jiƙa a cikin gaurayawan bayani na sulfuric acid mai mai da hankali da tattara nitric acid na ɗan lokaci, sannan a wanke shi da ruwa mai tsabta kuma ya gundura, sannan a saka shi cikin tanderun zafin jiki don ƙonewa. Editan graphite na Furuite mai zuwa yana gabatar da sharuɗɗa don samarwatakarda graphite:

Saboda inlay tsakanin graphite yana ƙafe da sauri bayan dumama, a lokaci guda, ƙarar graphite yana faɗaɗa da sauri da yawa ko ma ɗaruruwan lokuta, don haka ana samun nau'in graphite mai faɗi, wanda ake kira “swollen graphite”. Akwai ramuka da yawa a cikin kumburagraphite(hagu bayan an cire inlay), wanda ya rage girman marufi na graphite zuwa 0.01 ~ 0.059 / cm3, tare da nauyi mai nauyi da kyakkyawan rufin zafi. Domin akwai kogo da yawa masu girma dabam da scraggy, ana iya haɗa su da juna ta hanyar crisscross ta wani ƙarfi na waje, wanda shine manne kai na graphite mai faɗaɗa. Dangane da wannan haɗin kai na faɗaɗa graphite, ana iya sarrafa shi cikin takarda graphite.

Don haka, abin da ake buƙata don samar da takarda mai graphite shine samun cikakken kayan aiki, wato, na'urar da za a shirya faɗaɗa graphite daga jiƙa, tsaftacewa da konewa, a ciki akwai ruwa da wuta, wanda zai iya haifar da fashewa, don haka samar da lafiya yana da mahimmanci musamman; Abu na biyu, na'urorin da aka yi da takarda da na'ura, matsi na linzamin linzamin kwamfuta bai kamata ya kasance mai girma ba, in ba haka ba zai shafi daidaito da ƙarfin takarda na graphite, kuma matsi na layi yana da ƙananan ƙananan, wanda ma ba zai yiwu ba. Sabili da haka, yanayin tsari dole ne ya zama daidai, kumazane-zanee takarda yana tsoron danshi. Takardar da aka gama ya kamata ta zama marufi mai tabbatar da danshi, ku tuna ya zama mai hana ruwa kuma an kiyaye shi da kyau.