Yadda ake zabar recarburizer mai inganci mai inganci

A cikin tsari na narkewa, saboda rashin daidaituwa ko caji da wuce gona da iri, wani lokacin abun da ke cikin carbon a cikin ƙarfe ko ƙarfe bai cika buƙatun da ake tsammani ba.A wannan lokacin, ya kamata a ƙara carbon zuwa karfe ko narkakken ƙarfe.Babban kayan da aka saba amfani dashi don carbonization sune foda anthracite, carbonized alade iron, electrode foda, man coke foda, farar coke, gawayi foda da coke foda.Abubuwan da ake buƙata don recarburizers shine cewa mafi girman ƙayyadadden abun ciki na carbon, mafi kyau, kuma ƙananan abubuwan da ke cikin ƙazanta masu cutarwa irin su ash, kwayoyin halitta da sulfur, mafi kyau, don kada ya gurbata karfe.

Narkewar simintin gyare-gyare yana amfani da na'urori masu inganci masu inganci bayan ƙididdige yawan zafin jiki na coke na man fetur tare da ƙazantattun ƙazanta, wanda shine mafi mahimmancin hanyar haɗi a cikin tsarin recarburization.Ingancin recarburizer yana ƙayyade ingancin narkakken ƙarfe, kuma yana ƙayyade ko ana iya samun sakamako mai kyau na graphitization.A taƙaice, rage narkakkar baƙin ƙarfe da raguwar baƙin ƙarfe suna taka muhimmiyar rawa.

Lokacin da aka narkar da dukan tarkacen karfe a cikin tanderun lantarki, an fi son recarburizer na graphitized.Bayan jiyya mai zafi mai zafi, ƙwayoyin carbon na iya canzawa daga tsarin rashin daidaituwa na asali zuwa tsarin flake, kuma graphite flake na iya zama kamar graphite.Mafi kyawun mahimmancin mahimmanci, don sauƙaƙe haɓakar graphitization.Saboda haka, ya kamata mu zaɓi recarburizer wanda ya yi babban zafin jiki graphitization.Saboda babban zafin graphitization jiyya, sulfur abun ciki yana rage ta gudun hijira na SO2 gas.Sabili da haka, masu sake sakewa masu inganci sun ƙunshi ƙananan abun ciki na sulfur, w(s) gabaɗaya bai wuce 0.05% ba, kuma mafi kyawun w(s) yana da ƙasa da 0.03%.A lokaci guda, wannan kuma alama ce ta kai tsaye don yin hukunci ko an yi maganin graphitization mai zafi da kuma ko graphitization yana da kyau.Idan recarburizer da aka zaɓa ba a yi maganin graphitization mai zafi ba, ikon nucleation na graphite zai ragu sosai, kuma ikon graphitization zai raunana.Ko da ana iya samun adadin carbon iri ɗaya, sakamakon ya bambanta.
Abin da ake kira recarburizer shine don ƙara yawan abun ciki na carbon a cikin narkakken ƙarfe bayan ƙarawa, don haka ƙayyadadden abun ciki na carbon na recarburizer ba dole ba ne ya zama ƙasa da ƙasa, in ba haka ba don cimma wani abun ciki na carbon, ya zama dole don ƙara yawan carbon carbon. abun ciki.Ƙarin samfuran recarburizer ba shakka za su ƙara adadin sauran abubuwan da ba su da kyau a cikin recarburizer, ta yadda narkakken ƙarfe ba zai iya samun fa'ida mafi kyau ba.
Low sulfur, nitrogen da hydrogen abubuwa ne mabuɗin don hana nitrogen pores a cikin simintin gyaran kafa, don haka ƙananan abun ciki na nitrogen na recarburizer, mafi kyau.Sauran alamomi na recarburizer, irin su danshi, ash, da kwayoyin halitta, ƙananan adadin carbon da aka gyara, mafi girman adadin carbon da aka gyara, don haka mafi girman adadin carbon da aka gyara, abubuwan da ke cikin waɗannan abubuwa masu cutarwa dole ne kada su kasance. babba.
A cewar daban-daban smelting hanyoyin, tanderu iri da kuma masu girma dabam na smelting tanderu, yana da matukar muhimmanci a zabi daidai barbashi size na recarburizer, wanda zai iya yadda ya kamata inganta sha kudi da sha kudi na narkakkar baƙin ƙarfe zuwa recarburizer, da kuma kauce wa matsalar girman ƙananan ƙwayar cuta fiye da kima.Wanda ya haifar da ƙonewar oxidative na recarburizers.

Its barbashi size ne zai fi dacewa: 100kg tanderu kasa da 10mm, 500kg makera kasa 15mm, 1.5 ton tanderu kasa da 20mm, 20 ton tanderu kasa da 30mm.A cikin narkewar mai canzawa, lokacin da ake amfani da ƙarfe mai ƙarfi, ana amfani da recarburizer mai ƙarancin ƙazanta.Bukatun don recarburizers ga saman-busa Converter steelmaking ne high kafaffen carbon, low ash, maras tabbas da sulfur, phosphorus, nitrogen da sauran impurities, bushe, mai tsabta, kuma matsakaici barbashi size.Its kafaffen carbon C ≥ 96%, maras tabbas al'amarin ≤ 1.0%, S ≤ 0.5%, danshi ≤ 0.5%, barbashi size 1-5mm.Idan girman barbashin ya yi kyau sosai, yana da sauƙin ƙonewa, idan kuma ya yi ƙanƙara, yana shawagi a saman narkakkar karfe kuma ba ya samun sauƙi da narkakken ƙarfe.Domin induction tanderu, da barbashi size ne 0.2-6mm, wanda karfe da sauran baki zinariya barbashi ne 1.4-9.5mm, high carbon karfe bukatar low nitrogen, da barbashi size ne 0.5-5mm, da dai sauransu Takamaiman bukatun dogara ne a kan. da takamaiman irin tanderu don narke da workpiece The iri da sauran cikakkun bayanai na takamaiman hukunci da zabi.