Recarburizer samar da tsari da albarkatun kasa
Recarburizer wani abu ne na carbonaceous.Ana ƙara masu kara kuzari yayin aikin narke don ƙarin abubuwan da ke cikin carbon da aka ɓace yayin narkewar ƙarfe.Mun san cewa akwai nau'o'in recarburizers iri-iri, irin su man petroleum coke recarburizers, artificial graphite recarburizers, da dai sauransu, don haka albarkatun da ake buƙata don sake recarburizers ma sun bambanta, to mene ne kayan aikin recarburizers?Tsarin recarburizers shine Menene?Xiaobian zai gaya muku game da albarkatun ƙasa da tsarin da ake buƙata don sake sakewa.
Danye kayan da ake buƙata don recarburizers
Akwai nau'o'in albarkatun kasa da yawa don masu recarburizers, ciki har da gawayi, carbon-based carbon, coke, graphite, danyen man fetur, da dai sauransu, wanda akwai ƙananan nau'o'i da yawa da rabe-rabe daban-daban.
A halin yanzu, mafi yawan masu recarburizers a kasuwa, ciki har da graphite electrodes, graphitized petroleum coke, da dai sauransu, amfani da danyen man fetur coke.Ana samun danyen man fetur coke ta hanyar toka ragowar mai da man fetir da ake samu ta hanyar distillation na danyen mai a karkashin matsa lamba na yanayi ko vacuum.Danyen man fetur coke yana da babban abun ciki na ƙazanta kuma ba za a iya amfani da shi kai tsaye azaman mai recarburizer ba.Dole ne a lissafta shi ko graphitized.Masu recarburizers masu inganci gabaɗaya suna buƙatar graphitization.A karkashin yanayin zafi mai girma, tsari na carbon atom yana cikin sifar graphite microscopic, don haka ana kiran shi graphitization.Graphitization na iya rage abun ciki na ƙazanta a cikin recarburizer, ƙara abun cikin carbon na recarburizer, da rage abun ciki na sulfur.Ana amfani da recarburizers don yin simintin gyare-gyare, wanda zai iya ƙara yawan adadin karfe, rage yawan ƙarfe na alade ko ajiye baƙin ƙarfe na alade.
Tsarin Carburizer
Saboda ɗimbin albarkatun albarkatun ƙasa don recarburizers, hanyoyin kuma sun bambanta, amma akwai galibi masu zuwa:
1. Calcination
Carbonaceous albarkatun kasa ana calcined a wani babban zafin jiki na 1200-1500 °C in babu iska.Calcination yana haifar da jerin canje-canje a cikin tsari da kaddarorin physicochemical na albarkatun albarkatun daban-daban.Yana da tsarin maganin zafi na recarburizer.Dukansu anthracite da coke na man fetur sun ƙunshi takamaiman adadin kwayoyin halitta masu canzawa kuma suna buƙatar calcination.Duk da haka, idan aka hada man petroleum coke da pitch coke aka yi amfani da su kafin a yi calcination, sai a aika su zuwa calciner don yin lissafin tare da coke na man fetur.
2. Gasasu
Roasting tsari ne na maganin zafi wanda ɗanyen abincin da aka matse yana dumama a wani ƙimar dumama a cikin matsakaicin kariya a cikin tanderun dumama ƙarƙashin yanayin ware iska.
Manufar gasa shi ne don kawar da rashin ƙarfi.Gabaɗaya, kimanin nau'ikan commiles 10 ana fitar da su bayan gasa.Don haka, yawan gasasshen da ake samu gabaɗaya 90 ne;da daure ne coked, da kuma samfurin da aka gasasshe bisa ga wani tsari yanayi, sabõda haka, dauri ne coked, da kuma wani coke cibiyar sadarwa da aka kafa a tsakanin albarkatun kasa barbashi, wanda da tabbaci ya haɗu da duk albarkatun kasa da daban-daban girma dabam dabam tare.Yi samfuran # # suna da takamaiman kayan jiki da sinadarai.A karkashin yanayi guda, mafi girman adadin coking, mafi kyawun inganci;a cikin yanayin ƙayyadadden lissafi, samfurin zai yi laushi kuma mai ɗaure zai yi ƙaura yayin aikin yin burodi.Yayin da zafin jiki ya ƙaru, ana samar da hanyar sadarwa ta coking, wanda ke taurare samfurin.Saboda haka, siffarsa ba ya canzawa yayin da yawan zafin jiki ya karu.
3. Extrusion
Manufar aiwatar da extrusion shine don sanya danyen kayan ya wuce ta wani nau'i na wani nau'i a ƙarƙashin matsin lamba, kuma ya zama billet mai siffar da girmansa bayan an haɗa shi da gurɓataccen filastik.Tsarin gyare-gyaren extrusion shine yafi aikin nakasar filastik na manna.Tsarin extrusion yana faruwa a cikin ɗakin kayan abu da bututun mai lanƙwasa.Kayan zafi a cikin ɗakin yana turawa ta babban plunger a baya.Tilasta ci gaba da cire iskar gas daga albarkatun ƙasa, ci gaba da ƙulla albarkatun ƙasa, da motsi lokaci guda na albarkatun gaba.Lokacin da albarkatun ƙasa ke motsawa a cikin ɓangaren silinda na ɗakin kayan, ana iya ɗaukar albarkatun ƙasa a matsayin tsayayyen kwarara, kuma kowane ɓangaren barbashi yana motsawa cikin layi ɗaya.Lokacin da danyen kayan ya shiga bututun bututun mai kuma yana da nakasu mai siffar baka, albarkatun da ke kusa da bangon bututun ƙarfe zai fuskanci juriya mai girma yayin da yake ci gaba, kuma Layer ɗin kayan ya fara lanƙwasa.Danyen kayan yana da saurin ci gaba daban-daban, da kuma ci gaban albarkatun ƙasa.Sabili da haka, yawan samfurin tare da jagorancin radial ba daidai ba ne, don haka yana haifar da damuwa na ciki wanda ya haifar da nau'o'in yadudduka na ciki da na waje a cikin shingen extruded.Bayan manna ya shiga sashin nakasa madaidaiciya, an fitar da shi kuma an kafa shi.
Hanyar extrusion yana buƙatar ƙara mai ɗaure mai yawa don gyare-gyare, kuma abun cikin carbon gabaɗaya baya cika buƙatun na'urori masu inganci masu inganci.Matsakaicin graphite foda, saboda shi ne m block, ba shi da wani porous tsarin, don haka da sha gudun da sha kudi ba su da kyau kamar yadda calcined da calcined recarburizers.
