Umusaruro wa HIC irwanya ibyuma

Hydrogen iterwa no guturika (HIC) byerekana ikibazo rusange, cyane cyane munganda za peteroli n’inganda aho usanga ubwiza nubwiza rusange bwibyuma bifite akamaro kanini.

Igikorwa cyo kubyaza umusaruro ibyuma bya HIC birimo tekinike ya desulphurizasi harimo gutera inshinge za magnesium no gukurura inshinge zo munsi ya argon.

Umusaruro wibyuma bisukuye ushingiye ku ikoranabuhanga ryo kugenzura no / cyangwa gukuraho ibyinjijwe mu byuma. Akenshi, ubwoko nibiranga ibintu bitarimo ibyuma mubyuma bigira ingaruka zikomeye kumiterere yicyuma kandi bikanagena isuku yicyuma. Isesengura ryuzuye ryibi biranga rero rirakenewe kugirango hongerwe inzira yo gukora ibyuma kugirango bitange ibyuma byiza.

Hydrogen iterwa no guturika (HIC) hamwe na sulphide yamenetse (SSC) byerekana ubwoko bubiri bwa hydrogène yihariye yangiza ibyangiritse bikunze kugaragara mubikorwa bya peteroli ninganda. Mu rubanza rwa mbere (HIC), muri rusange birazwi ko kurwanya ibyuma biterwa ahanini nimiterere yabyo ya microstructural - kutagira ibyuma hamwe no gutandukanya amacakubiri.

Sulfide ndende ya manganese ifatwa nkibibanza bitangiza cyane. Mu rubanza rwa kabiri (SSC), abantu bemeza ko kurwanya ibyuma bishobora kuba bifitanye isano nurwego rwimbaraga zabo mugihe ibiranga microstructure bidafite akamaro. Impapuro zatanzwe zahariwe kwiga HIC na SSC mubyuma bya karubone-manganese, bitandukanye muburyo bwo kuvura ubushyuhe (microstructure, urwego rwimashini) hamwe nisuku yabo.

Kwinjizamo MnS nibyo byangiza cyane HIC, kubwibyo rero, nkigipimo cyibanze, ibirimo sulferi bigomba kugabanuka kubyuma bikoreshwa mubidukikije. Kubera iterambere mubikorwa byo gukora ibyuma, ibirimo sulfure birashobora kugabanuka kugeza kurwego rwo hasi; munsi ya 0.0008 wt. % (8ppm).

Ubuvuzi bwa Ca busanzwe bukoreshwa murwego rwo gukumira ishyirwaho rya MnS ndende no kugenzura iyinjizwa rya sulfide mu buryo bwa serefegitura, kandi niba hari ibirimo Ca bikwiye kugirango ibintu birwanye. Niba ibirimo Ca biri hejuru ugereranije nibiri muri S, Ca irenze irashobora gukora okiside ishobora gukora nkuwatangije HIC. Ibipimo byinshi byerekana neza Ca yibirimo byatangijwe, kandi ibirimo Ca bigomba kugenzurwa neza murwego ruto; kurugero, 3

Imbonerahamwe 1: Ibikoresho bya chimique bisabwa ibyuma byingufu zikomeye, [ppm]

Igishushanyo 1 kirerekana inzira yo gukora ibyuma birwanya HIC. Mbere yo gutunganya BOF, icyuma gishyushye kivanwa muri sitasiyo ishyushye ya desulphurizasi yatewe na magnesium na CaO. Kuri BOF, ibisakuzo gusa birimo sulfure nkeya bigomba kwishyurwa. Aluminium ya deoxidisation hamwe na sisitemu yo gukora slag yongeweho mugihe cyo gukanda. Amavuta nyamukuru nayo atunganywa muricyo gihe.

Umuyoboro noneho ujyanwa kuri sitasiyo ya bubbling aho argon ivuzwa hakoreshejwe lance yo hejuru kugirango uvange ibyuma na slag hagamijwe desulphurisation. Hanyuma, urwego rwimuriwe kuvura vacuum. Icyuma gikangurwa no guterwa hepfo ya argon kugirango yizere ko desulphurizasi yimbitse kandi itesha agaciro.