Ubwino wa Graphite Crucibles: Zofunikira Zofunikira mu Metallurgy ndi Chemical Industries

M'mafakitale osiyanasiyana, pali malingaliro olakwika ambiri okhudza kugwiritsidwa ntchito kwagraphite crucible. Anthu ambiri amakhulupirira molakwika kuti zinthuzi zilibe tanthauzo pang'ono pamsika, poganiza kuti ndizosafunika. Komabe, malingaliro awa sangakhale kutali ndi chowonadi. Ngakhale ma graphite crucibles angawoneke ngati ali ndi zomangamanga zosavuta - zopangidwa kuti zikhale ndi zakumwa zosiyanasiyana - kusakhalapo kwawo kungayambitse mavuto aakulu m'magulu onse azitsulo ndi mankhwala. Tiyeni tifufuze za ubwino wa ma graphite crucibles ndikuwona ntchito zawo zosiyanasiyana.
1. Kusinthasintha ndi Kupirira
Ubwino umodzi wodziwika bwino wa ma graphite crucibles ndiwo kusinthasintha kwawo. Ma crucibles awa amapangidwa makamaka ndi ma graphite ndi quartz, omwe amaphatikizidwa ndi mankhwala osiyanasiyana opangira mankhwala kenako amawotchedwa kwambiri kuti apange. Kapangidwe kapadera kameneka kamapangitsa kuti ma graphite crucibles azitha kupirira zinthu za acidic kwambiri, zamchere, ndi zowononga zamadzimadzi, zomwe zimapangitsa kuti zikhale zamtengo wapatali pamakampani opanga mankhwala. Kuyesa kwakukulu kochitidwa ndi asayansi kwawonetsa kuti ngakhale aqua regia - chisakanizo chowononga kwambiri cha ma acid - amatha kukhala mkati mwa graphite crucibles.
Kuphatikiza apo, ma graphite crucibles amawonetsa kukana kutentha kwambiri, komwe kumatha kupirira kutentha kopitilira 5000 digiri Celsius popanda kuwonongeka kwakukulu. Izi zimawapangitsa kukhala oyenera kukhala ndi chitsulo chosungunuka, aluminiyamu, ndi zitsulo zina ngakhale pamadzi ake, kutsimikiziranso kugwiritsidwa ntchito kwawo m'mafakitale osiyanasiyana.
2. Ubwino Wosanyengerera
Ubwino wa ma graphite crucibles ndi mwayi wina wofunikira. Ma crucibles awa adapangidwa kuti athe kupirira kukakamizidwa kwakunja, kuwapangitsa kuti asagonjetse ziwopsezo pokhapokha atakakamizidwa kupitilira mphamvu zawo. Kupanga kwa graphite crucible iliyonse kumatsatira mfundo zokhwima, kuwonetsetsa kumveka bwino pagawo lililonse. Pokhapokha mwa njira yosamalayi m'pamene mankhwala omaliza angaganizidwe kuti ndi oyenera cholinga.
graphite crucible iliyonse imayesedwa molimba mtima isanapatsidwe kwa makasitomala. Mabungwe owongolera amafufuza zinthu izi mwachisawawa, ndipo kusatsatira zilizonse kungayambitse kuyimitsidwa kwa kupanga ndi kulipira chindapusa, kapena kutsekedwa kwa malo opangira. Njira zokhwimazi zikuchitika chifukwa cha kuvulaza komwe zomwe zatulutsidwa zomwe zitha kubweretsa thanzi la munthu. Kupewa kutayikira kotereku kumayenera kuthana ndi vuto lomwe lilipo, kuyambira ndi kupanga ma crucibles.