Recarburizermaka nchara na recarburizer (ụkpụrụ ụlọ ọrụ metallurgy nke ndị mmadụ Republic of China, YB/T 192-2001 steelmaking with recarburizer) na nkedo ígwè na recarburizer, na ụfọdụ ihe ndị ọzọ agbakwunyere na-bara uru recarburizer, dị ka breeki mpe mpe akwa na mgbakwunye. dị ka esemokwu ihe.Recarburizer bụ nke mpụga steelmaking, ironmaking recarburizer raw material.High àgwà recarburizer bụ ihe dị oké mkpa inyeaka mgbakwunye na mmepụta nke elu àgwà ígwè.

Ojiji nke carbon agent:

Na agbaze usoro, n'ihi na-ezighị ezi batching ma ọ bụ odori na oké decarburization na ihe ndị ọzọ, mgbe ụfọdụ mere na ígwè carbon ọdịnaya emezughị ihe ndị a chọrọ nke elu oge, mgbe ahụ ka mmiri mmiri ígwè carburization. ntụ ntụ, petroleum coke ntụ ntụ, unyi ntụ ntụ na coke ntụ ntụ.Converter agbaze ọkara na elu carbon ígwè, ojiji nke mmanụ ala coke nwere ole na ole adịghị ka carburizing agent.The chọrọ nke recarburizer maka top fụọ Ntụgharị steelmaking bụ elu ofu carbon, ala ọdịnaya nke uyi. , volatiles, sọlfọ, phosphorus, nitrogen na ndị ọzọ adịghị ọcha, akọrọ, dị ọcha, na agafeghị oke urughuru size.

E kewara otu carbon nke edobere n'ime:

w (C)> 96%, ihe na-agbanwe agbanwe ≤1.0%, W (S)≤0.5%, W (mmiri)≤0.55%, urughuru nha nke 1 ruo 5mm.

Ọ bụrụ na nha urughuru dị oke mma, ọ dị mfe ọkụ.Ọ bụrụ na ọ dị oke oke, ọ na-ese n'elu nchara a wụrụ awụ na ọ dịghị mfe itinye uche ya site na nchara a wụrụ awụ. Maka nha nha nke ọkụ induction dị na 0.2-6mm, ígwè na ihe ndị ọzọ na-acha oji na 1.4-9.5mm. , elu carbon ígwè chọrọ ala nitrogen, urughuru size na 0.5-5mm, na otú na mkpa dị ka kpọmkwem ọkụ smelting workpiece ụdị na na nkọwa nke kpọmkwem ikpe na nhọrọ.

1, usoro ntinye ọkụ:

Recarburizer dabara adaba maka ịgbaze na ọkụ induction, mana ojiji a kapịrị ọnụ abụghị otu dị ka usoro achọrọ si dị.

(1) ojiji nke recarburizer na ọkara ugboro eletriki ọkụ na-agbaze, dị ka nha ma ọ bụ carbon kwekọrọ chọrọ na ihe agbakwunyere na akụkụ ala nke ọkụ eletrik, ọnụego mgbake nwere ike iru karịa 95%;

(2) ma ọ bụrụ na enweghị carbon ukpụhọde, nke mbụ iri na abuo net oku slag, gbakwunyere carburant, site n'ịkwalite okpomọkụ nke ígwè a wụrụ awụ, ma ọ bụ artificial electromagnetic na-akpali igbari carbon absorption, mgbake ọnụego bụ gburugburu 90%, ma ọ bụrụ na obere okpomọkụ. Usoro carbonization, ọkụ na-agbaze ọkụ na-akwụ ụgwọ naanị akụkụ nke mmiri a wụrụ awụ n'okpuru ọnọdụ nke obere okpomọkụ, ihe niile recarburizer otu oge na mmiri mmiri ígwè, N'otu oge ahụ, a na-agbanye ya n'ime ígwè gbazere na ụgwọ siri ike ka ọ ghara ikpughe elu igwe a wụrụ awụ. Site na usoro a, carburization nke ígwè mmiri mmiri nwere ike iru karịa 1.0%.

2, n'èzí oven carburizing:

(1) fesa ntụ ntụ graphite n'ime akpa

Iji graphite ntụ ntụ dị ka recarburizer, injection olu bụ 40kg / t, na carbon ọdịnaya nke mmiri mmiri ígwè na-atụ anya na-abawanye site 2% ka 3% The okpomọkụ nke ígwè a wụrụ awụ tupu carburization bụ 1600 ℃, na nkezi okpomọkụ mgbe carburization bụ. 1299 ℃.Jet graphite ntụ ntụ carburization, n'ozuzu na-eji nitrogen dị ka a ụgbọelu, ma n'okpuru ulo oru mmepụta ọnọdụ, na abịakọrọ ikuku bụ ihe adaba, na oxygen combustion na abịakọrọ ikuku na-emepụta CO, chemical mmeghachi omume okpomọkụ nwere ike ịkwụ ụgwọ akụkụ nke okpomọkụ dobe, na CO na-ebelata ikuku iji meziwanye mmetụta nke carburization.

(2) iji recarburizer mgbe ígwè

Enwere ike itinye 100-300 nke graphite ntụ ntụ carburizer n'ime akpa ahụ, ma ọ bụ site na tank nke igwe na-asọba n'ime, mgbe mmiri mmiri na-agbanye n'ụzọ zuru ezu, dị ka o kwere omume igbari absorption carbon, mgbake ọnụego nke carbon bụ banyere 50% .

A na-eji ihe nkedo, nkedo ígwè, ihe nkedo, ihe nkedo ga-enwe ihe a chọrọ maka carbon, carburant dị ka aha ya na-egosi bụ ịbawanye ọdịnaya carbon n'ime ígwè mmiri mmiri, na, dịka ọmụmaatụ, a na-ejikarị na-agbaze ọkụ ọkụ maka ígwè ezi, scrap. ígwè, laghachi azụ na ọkụ ọkụ, ígwè carbon ọdịnaya dị elu, ma dịtụ scrap price ịzụrụ bụ akụkụ dị elu, ya mere na-amụba scrap ọkọnọ, belata ọnụ ọgụgụ nke nkedo ígwè,Mgbakwunye nke recarburizer nwere ike ibelata nkedo na-eri ruo n'ókè ụfọdụ.