Zinthu zopangidwa ndi graphite zimagwiritsidwa ntchito kwambiri

Graphite ndi chinthu chogwiritsidwa ntchito m'njira zosiyanasiyana chomwe chimagwiritsidwa ntchito komanso ubwino wake, makamaka popanga zinthu zotsutsana ndi chitsulo. Zinthu zotsutsana ndi chitsulo ndizofunikira kwambiri m'mafakitale monga kupanga zitsulo, komwe zimagwiritsidwa ntchito popangira uvuni, zophimba ndi nkhungu, komanso popanga zinthu zosagwirizana ndi kutentha kwambiri. Makampani opanga zinthu zotsutsana ndi chitsulo asintha kwambiri m'zaka zaposachedwa, kuphatikizapo kugwiritsa ntchito kwambiri njerwa za kaboni ya magnesia ndi njerwa za kaboni ya aluminiyamu, zomwe zonsezi zimagwirizana kwambiri ndi makampani opanga zitsulo.

Chimodzi mwa zinthu zofunika kwambiri zomwe graphite imagwiritsidwa ntchito popanga zinthu zopingasa. Graphite ndi gawo lofunika kwambiri popanga njerwa zopingasa, zophikira, ufa wothira mosalekeza, ma cores, nkhungu, sopo, zinthu zoteteza kutentha kwambiri, ndi zina zotero. Zipangizozi zimagwira ntchito yofunika kwambiri m'mafakitale osiyanasiyana, makamaka m'makampani opanga zitsulo. Pafupifupi 10% ya zipangizo zopingasa padziko lonse lapansi zimagwiritsidwa ntchito ndi makampani opanga zitsulo, zomwe zikuwonetsa momwe zinthu zopingasa za graphite zimakhudzira makampaniwa.

Kugwiritsa ntchito kwambiri njerwa za kaboni wa magnesia m'zipinda zopangira ng'anjo ndi chimodzi mwa zinthu zofunika kwambiri zomwe zasintha kwambiri m'makampani opanga zinthu zotsutsana ndi kutentha m'zaka zaposachedwa. Popeza zili ndi magnesium oxide ndi kaboni, njerwa izi zimakhala ndi mphamvu yolimbana ndi kutentha kwambiri ndipo zimakhala zolimba kwambiri, zomwe zimapangitsa kuti zikhale zabwino kwambiri popanga ng'anjo zopangira chitsulo. Kuphatikiza apo, kugwiritsa ntchito njerwa za kaboni wa aluminiyamu popangira zinthu zotsutsana ndi kutentha kwawonanso chitukuko chachikulu. Njerwa izi zokhala ndi aluminiyamu ndi kaboni zathandiza kwambiri popanga zinthu zotsutsana ndi kutentha, zomwe zikuwonetsanso kuti zinthu zotsutsana ndi graphite ndi zosinthika.

Zipangizo zotsukira graphite zimagwirizana kwambiri ndi makampani opanga zitsulo, ndipo ntchito ndi ubwino wake zimaonekera m'mbali zonse zopangira zitsulo. Kutha kwa graphite kupirira kutentha kwambiri ndi mikhalidwe yovuta kumapangitsa kuti ikhale chinthu choyenera kwambiri pa ng'anjo zophikira ndi zida zina zopangira zitsulo. Kulimba ndi kukana kutentha kwa graphite refractories kumathandiza kukonza magwiridwe antchito ndi kudalirika kwa njira yopangira zitsulo, zomwe pamapeto pake zimakhudza ubwino ndi kusinthasintha kwa chinthu chomaliza.

Kuwonjezera pa kugwiritsidwa ntchito kwake mumakampani opanga zitsulo, graphite ili ndi zabwino zingapo ngati zinthu zotsutsa. Chimodzi mwazabwino zake zazikulu ndi kutentha kwake kwakukulu, komwe kumathandiza kusamutsa kutentha bwino komanso kufalitsa bwino ntchito zamafakitale. Kapangidwe kameneka ndi kothandiza makamaka pakugwiritsa ntchito komwe kutentha kwambiri kuyenera kusungidwa nthawi zonse, monga popanga chitsulo ndi zinthu zina zotentha kwambiri.

Kuphatikiza apo, zinthu zotsutsana ndi graphite zimakhala ndi kukhazikika kwabwino kwa mankhwala, zomwe zimapangitsa kuti zisawonongeke ndi dzimbiri komanso kusintha kwa mankhwala kutentha kwambiri. M'malo omwe nthawi zambiri amakumana ndi mankhwala amphamvu komanso zitsulo zosungunuka, izi ndizofunikira kwambiri chifukwa zimatsimikizira kuti zinthu zotsutsana zimakhala ndi moyo wautali komanso zodalirika.

Ubwino wina wa zinthu zopangidwa ndi graphite ndi kuthekera kwawo kupirira kutentha, kusintha kwadzidzidzi kwa kutentha komwe kungayambitse ming'alu kapena kulephera. Kuthekera kwa graphite kupirira kutentha kumapangitsa kuti ikhale chisankho chodalirika chogwiritsidwa ntchito pomwe kutentha kumasinthasintha mofulumira, monga m'mafakitale opanga zitsulo ndi oponyera zitsulo.

Kuphatikiza apo, ma refractories a graphite amadziwika kuti ali ndi ma porosity ochepa, zomwe zimathandiza kuwonjezera mphamvu zawo komanso kuthekera kwawo kukana kulowa kwa chitsulo chosungunuka ndi zinthu zina. Kapangidwe kameneka ndi kofunikira kwambiri pakugwiritsa ntchito komwe kutseka ndi kutchinjiriza ndikofunikira, chifukwa kumawonetsetsa kuti zinthu zotchinjiriza zimakhala bwino pamikhalidwe yovuta kwambiri.

Kusinthasintha kwa zinthu za graphite kumapitirira kugwiritsidwa ntchito popanga zitsulo. Zotsalira za graphite zimagwiritsidwanso ntchito m'njira zina zosiyanasiyana zotentha kwambiri, kuphatikizapo kupanga zinthu zadothi, magalasi ndi zinthu zina zomwe zimafuna kukhazikika kwa kutentha komanso kukana nyengo zovuta.

Kugwiritsa ntchito ndi ubwino wa zinthu zopangidwa ndi graphite popanga zinthu zotsutsana ndi zinthu zofunika kwambiri komanso zogwira mtima. Kugwiritsa ntchito kwambiri graphite popanga njerwa zotsutsana ndi zinthu zina, zophimbidwa ndi zinyalala, ufa wothira mosalekeza, ma cores ndi zinthu zosatentha kwambiri kukuwonetsa kufunika kwake m'mafakitale osiyanasiyana, makamaka m'makampani opanga zitsulo. Zomwe zachitika posachedwa mumakampani otsutsana ndi zinthu zina, monga kugwiritsa ntchito njerwa za magnesia carbon ndi njerwa za aluminiyamu carbon, zikuwonetsanso kusinthasintha ndi kugwira ntchito bwino kwa zinthu zotsutsana ndi zinthu za graphite. Chifukwa cha kutentha kwake kwakukulu, kukhazikika kwa mankhwala, kukana kutentha komanso kuchepa kwa porosity, graphite ikadali chisankho choyamba pakugwiritsa ntchito zinthu zodalirika komanso zolimba zotsutsana ndi zinthu zina. Pamene makampani akupitilizabe kusintha ndi kufunafuna zinthu zapamwamba, zinthu zopangidwa ndi graphite zidzakhala ndi gawo lofunika kwambiri pakukwaniritsa zofunikirazi ndikuyendetsa zatsopano muukadaulo wazinthu zotsutsana ndi zinthu.