Silicon carbide cruciblekayan aiki ne mai mahimmanci a cikin masana'antar ƙarfe. Saboda kyakkyawan yanayin juriya da yanayin zafi, ana amfani dashi sosai a cikin nau'ikan narkewar ƙarfe da halayen sinadarai. Koyaya, don tabbatar da ingantacciyar aiki yayin amfani, siliki-carbide crucibles yana buƙatar preheated yadda yakamata.
Preheating matakai don silicon carbide crucible
Silicon carbide crucibles yana buƙatar kulawa ta musamman yayin aikin preheating don hana matsaloli kamar haɓakar thermal, rarrabuwar ƙasa, ɓarna ko fashe lalacewa ta hanyar ɗanɗano. Takamaiman matakai sune kamar haka:
Yin burodi na farko: Gasa a cikin tanda ba tare da ƙara wani abu ba, kuma kula da zafin jiki fiye da sa'o'i 24. A yayin wannan tsari, juya ƙugiya akai-akai don tabbatar da dumama iri ɗaya kuma cire danshi gaba ɗaya daga bangon crucible.
A hankali zafi:
Da farko a fara zafi da crucible zuwa 150 zuwa 200 digiri Celsius kuma riƙe na 1 hour.
Sa'an nan kuma ƙara yawan zafin jiki a cikin adadin digiri 150 na celcius a kowace sa'a har sai an kai yawan zafin jiki. A yayin wannan tsari, a guji barin bangon da ke da sanyi a yanayin zafi tsakanin digiri 315 zuwa 650 na ma'aunin celcius na tsawon tsayi, domin crucible zai yi saurin yin iskar oxygen a cikin wannan kewayon zafin jiki, yana rage tsawon rayuwarsa da kuma rage karfin zafinsa.
Maganin zafin jiki mai girma:
Bayan an gama preheating, sai dai idan an sake fallasa ƙugiya zuwa yanayi mai ɗanɗano, baya buƙatar sake yin zafi kuma ana iya ci gaba da amfani da shi.
Bayan an gama preheating, da sauri ɗaga zafin jiki zuwa 850 ~ 950 digiri Celsius, ci gaba da dumi tsawon rabin sa'a ba tare da ƙara kayan aiki ba, sannan kwantar da hankali zuwa yanayin aiki na al'ada kuma fara ƙara kayan aiki. Wannan jiyya na iya tsawaita rayuwar crucible yadda ya kamata.
Sauran hanyoyin aiwatarwa
Baya ga matakan zafi na sama, ana kuma iya amfani da hanyoyin masu zuwa:
Yi zafi kusa da mai ƙona mai: Sanya ƙusa kusa da na'urar mai na iya taimakawa wajen cire danshi.
Kona gawayi ko itace: Kona gawayi ko itace a cikin tudu na iya kara taimakawa wajen kawar da danshi.
Zaɓin madaidaicin girman crucible
Silicon carbide crucible girma dabam dabam dangane da manufacturer da takamaiman aikace-aikace. Don haka, lokacin zaɓar, da fatan za a koma zuwa takamaiman ƙayyadaddun samfur ko tuntuɓi mai kaya don ingantaccen bayani. Zaɓin madaidaicin madaidaicin bisa ga buƙatun ku na iya haɓaka haɓakar samarwa da ingancin samfur.
Ta hanyar bin ingantattun hanyoyin zafi da sarrafawa, silicon carbide crucibles na iya haɓaka aikin su da tsawaita rayuwar sabis ɗin su, suna ba da garanti mai dogaro ga tsarin samar da ku.
Jagorar Mai Amfani da Hotuna Crucible
Hakanan ana amfani da crucibles graphite a cikin gwaje-gwajen zafin jiki da kuma samar da masana'antu. Babban juriya na zafin jiki, juriya na lalata, da kyakkyawan yanayin zafi ya sa ya dace don gwaje-gwaje da yawa da matakan samarwa. Don tabbatar da mafi kyawun aiki da tsawon rayuwar sabis na graphite crucible, ya kamata a kula da matakai masu zuwa yayin amfani:
Misalin jeri
Samfuri mai ƙarfi: Ko da yaushe rarraba kayan gwajin ko ɗanyen abu a cikin faifan faifan hoto don guje wa zafi na gida ko fantsama.
Samfuran ruwa: Yi amfani da digo ko wasu kayan aikin ƙirƙira don sauke ruwa a cikin crucible don guje wa fantsama ko gurɓata wajen crucible.
dumama aiki
Hanyar dumama:
Yi amfani da na'urorin dumama wutar lantarki, dumama hasken infrared ko wasu hanyoyin dumama da suka dace don dumama ma'aunin graphite.
Ka guji dumama kai tsaye tare da buɗe wuta. Saboda tsaftataccen graphite yana da madaidaicin zafin zafin jiki, dumama kai tsaye tare da buɗe wuta na iya haifar da crucible ya lalace ko fashe.
Gudun dumama:
Kula da ƙimar dumama da ta dace don guje wa ɓata ƙugiya saboda canjin zafin jiki kwatsam.
Daidaita matsayi da ƙarfin na'urar dumama don tabbatar da cewa crucible yana mai zafi daidai.
Matakan kariya
Guji tuntuɓar harshen wuta kai tsaye: Lokacin dumama, guje wa hulɗa kai tsaye tare da harshen wuta don guje wa barin baƙar fata a ƙasan crucible ko haifar da wasu lahani.
Sarrafa zafin jiki: Ƙaƙwalwar faifan hoto yana kula da canjin zafin jiki, don haka dole ne a sarrafa zafin zafin jiki yayin amfani don guje wa ɓarkewar ƙugiya saboda matsanancin zafi ko ƙarancin zafi.
Tsaftar muhalli da aminci: Tsaftace muhallin da ke kewaye kuma kauce wa lalacewa ga faifan faifan hoto saboda tasiri ko fadowa daga tsayi.
Goyan bayan bayanan kwararru
Yin aiki da zafi: Matsayin ƙwararren zafin jiki na tsarkakakken tsarkin wuta shine kusan 100-300 w / Mİ.
Yanayin aiki: Graphite crcible yana da kyakkyawan juriya na zafin jiki, matsakaicin zafin aiki zai iya kaiwa 3000 ° C, kuma an fi amfani dashi a cikin yanayi mara kyau.
Juriya na Oxidation: Lokacin da aka yi amfani da shi a yanayin zafi mai yawa a cikin iska, saman graphite crucible yana da wuyar samun iskar shaka. Ya kamata a ɗauki matakan kariya kamar shafa murfin anti-oxidation ko yin amfani da kariyar iskar gas mara amfani.
Tsananin bin hanyoyin da ke sama da matakan tsaro na iya tabbatar da ingantaccen inganci da tsawon rayuwar graphite crucibles dasilicon carbide crucibles, don haka inganta aminci da ingancin gwaje-gwaje da samarwa.
Lokacin aikawa: Jul-11-2024