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2026-05-09
I-Ferro calcium iyi-ferroalloy ebalulekile esetshenziswa ngokuyinhloko ezimbonini zokwakha insimbi nezimboni zokukhiqiza ukuze kuthuthukiswe ikhwalithi yensimbi, isuse ukungcola, futhi ithuthukise izakhiwo zemishini. Njenge-deoxidizer ne-desulfurizer, idlala indima ebalulekile ekukhiqizeni insimbi yezinga eliphezulu ne-ductile iron. Lo mhlahlandlela ophelele ka-2026 uhlola ukusetshenziswa kwe-ferro calcium, amamaki atholakalayo, izindlela zokukhiqiza, kanye nemininingwane yochwepheshe ukusiza ochwepheshe bemboni benze izinqumo zokuthenga nezicelo ezinolwazi.
I-Ferro calcium, evame ukufushaniswa ngokuthi i-FeCa, iyingxubevange eyakhiwe ikakhulukazi i-iron ne-calcium, enokuqukethwe kwe-calcium okuvamise ukuba phakathi kuka-28% no-35%. Isebenza njengesengezo esinamandla ezinqubweni ze-metallurgical ngenxa yokuhlangana okuqinile kwe-calcium ku-oksijini nesibabule. Lapho yethulwa ensimbi encibilikisiwe, i-ferro calcium inciphisa ngempumelelo ukufakwa okungezona ezensimbi, icwengisa ukwakheka kokusanhlamvu, futhi ithuthukise ukuhlanzeka sekukonke.
I-alloy ikhiqizwa ngokuncibilikiswa kwesithando somlilo se-arc kagesi, lapho i-lime (i-calcium oxide) kanye nama-ejenti okunciphisa njenge-coke noma i-silicon asabela ngaphansi kwamazinga okushisa aphezulu. Umkhiqizo ovelayo uphonswa ezigangeni noma kuma-granules afanele izinhlelo ezihlukahlukene zokudla ezimbonini. Ukusebenza kwayo kuyenza ibaluleke kakhulu ekusebenzeni kokukhiqizwa kwensimbi yesimanje.
I-Ferro calcium ithola ukusetshenziswa okubanzi emikhakheni eminingi yemboni ye-metallurgical. Umsebenzi wayo oyinhloko ugxile ekuhlanzeni nasekuguquleni izinsimbi ezincibilikisiwe, ukuqinisekisa ukuthi imikhiqizo yokugcina ihlangabezana nezindinganiso eziqinile zekhwalithi.
Emkhiqizweni wensimbi, i-ferro calcium isetshenziswa kakhulu njenge-deoxidizer ehlanganisiwe ne-desulfurizer. I-calcium iphendulana ne-oksijini encibilikisiwe nesibabule ukuze yakhe inhlanganisela ezinzile entanta kungqimba lwe-slag, ngaleyo ndlela iwasuse ekuncibilikeni. Le nqubo ithuthukisa kakhulu ubumsulwa bensimbi futhi inciphisa amaphutha njengokushosha okushisayo.
I-Ferro calcium nayo ibalulekile ekwenziweni kwe-iron ductile, lapho isebenza njenge-ejenti ebamba amaqhuqhuva eduze kwe-magnesium. Kuyasiza ukukhuthaza ukwakheka kwezinhlaka ze-spheroidal graphite, ezithuthukisa kakhulu amandla aqinile kanye nokumelana nomthelela. Ukwengeza okulungile kuqinisekisa ukwakheka kwe-microstructure futhi kunciphisa i-shrinkage porosity.
Ngaphandle kwama-carbon steels nama-cast irons, i-ferro calcium isekela ukukhiqizwa kwama-alloys akhethekile adinga amazinga okungcola aphansi kakhulu. Izimboni ezifana ne-aerospace, ezezimoto, namandla zithembele kulezi zinto ezithuthukisiwe ngezingxenye ezibalulekile ezingaphansi kwezimo ezimbi kakhulu.
Izinhlelo zokusebenza ezihlukene zidinga ukwakheka kwamakhemikhali athile kanye nezinhlobo ezibonakalayo ze-ferro calcium. Ukuqonda ukuhlukaniswa kwamabanga kuvumela ukukhetha okuhle ngokusekelwe ezidingweni zenqubo kanye nokucatshangelwa kokuphumelela kwezindleko.
| Uhlobo Lwebanga | Okuqukethwe Kwekhalsiyamu (%) | Okuqukethwe kwe-Silicon (%) | Ikesi elijwayelekile lokusebenzisa |
|---|---|---|---|
| Ibanga Elijwayelekile | 28–30 | 55–60 | Ukwenziwa kwensimbi okujwayelekile, i-desulfurization eyisisekelo |
| Ibanga Le-calcium Ephezulu | 30–35 | 50–55 | Insimbi ye-Premium, izicelo zesulphur ephansi |
| Ifomu Le-Granulated | 28–32 | 55–58 | I-automated injection systems, ukwelashwa kwe-ladle |
| I-Lump Form | 28–30 | 55–60 | Ukushaja mathupha, izisekelo ezincane |
Abakhiqizi bangase banikeze izingxube ezenziwe ngokwezifiso kuye ngezidingo zamakhasimende. Ukusatshalaliswa kosayizi wezinhlayiya kungenye into ebalulekile; ama-granules amahle aqinisekisa ukuhlakazeka okusheshayo kuyilapho izigaxa ezinkulu zinikeza amazinga okusabela alawulwayo phakathi nokwelashwa okunwetshiwe.
Ukukhiqizwa kwe-ferro calcium kuhilela izigaba ezimbalwa ezilawulwa ngokucophelela ukuze kuzuzwe ukwakheka okufiswayo kanye nokusebenza kabusha. Ubuchule bale nqubo bunomthelela ngokuqondile ekusebenzeni komkhiqizo nokungaguquguquki.
I-High-purity lime (CaO), isihlabathi se-silica, umoya we-coke, futhi ngezinye izikhathi i-aluminium noma i-ferrosilicon isebenza njengezinto zokusetshenziswa ezibalulekile. Lezi zinto ezifakiwe kufanele zihlolwe futhi zomiswe ukuze kuqedwe umswakama kanye nokungcola okungaphazamisa ukusabela kokunciphisa.
Izinto zokushaja ezixubile zifakwa esithandweni sikagesi se-arc esisebenza emazingeni okushisa angaphezu kuka-2000°C. Ngaphansi kokushisa okukhulu, i-calcium oxide ithola ukuncipha kwe-carbothermic:
I-CaO + C → Ca(umhwamuko) + CO
I-calcium ehwamukile ibe isihlangana nensimbi ukuze yenze ingxubevange ngaphambi kokuba iphonswe esikhunjeni.
I-ferro calcium encibilikisiwe ithululelwa ezibunjeni ze-ingot noma ngokuqhubekayo iphonswe kumabha. Ngemva kokupholisa, okokusebenza okuqinile kuyachotshozwa futhi kuhlungwe kube osayizi abathile—imvamisa engu-10–50mm ukuze kutholwe isigaxa noma u-1–10mm ngokuhlukahluka okuyizicucu okusetshenziselwa ukuphakelwa kwezintambo noma umjovo womoya.
Uma ukhetha umphakeli wama-ferroalloy abalulekile njenge-ferro calcium, ukusebenzisana nomholi wemboni osunguliwe kubalulekile. I-Inner Mongolia Xinxin Silicon Industry Co., Ltd. ugqama njengomunye wabakhiqizi abakhulu kulo mkhakha, obekwe endaweni ekahle ngaphakathi kwepaki yezimboni ye-Inner Mongolia Development Zone. Ngomlando omude kanye namagugu amasiko ajulile, inkampani izakhele idumela lekhwalithi yomkhiqizo ezinzile kanye nokubonakala kwemakethe ephezulu kokubili ngaphakathi nangaphandle.
I-Xinxin Silicon isebenza ngaphansi kokuphatha okuqinile kanye nesistimu yokuqinisekisa ikhwalithi, ithobela ifilosofi yebhizinisi "yekhwalithi yokuphila, ubuqotho bentuthuko, kanye nobuchwepheshe bokusebenza kahle." Isikhungo sabo sesimanje sihlanganisa imigqa yokucubungula ebanzi hhayi kuphela ye-ferro calcium (i-calcium silicon) kodwa futhi ne-ferrosilicon, i-silicon manganese, i-silicon barium calcium, insimbi ye-silicon, izintambo ezinama-cored, nama-noduzers. Ukuqinisekisa ukuthi iqoqo ngalinye lihlangabezana nezindinganiso zikazwelonke nezamazwe ngamazwe, inkampani isebenzisa onjiniyela abanolwazi ukuze baqondise izinqubo zokukhiqiza futhi isebenzisa isethi ephelele yezinto zokusebenza zokuhlola ukunemba. Lokhu kuzibophezela ekusebenzeni kahle kuzuzele i-Xinxin Silicon izindondo eziningi embonini yensimbi, okubenza babambisene abathembekile bamabhizinisi afuna ama-deoxidizer nama-desulfurizer athembekile.
Njenganoma iyiphi into yasembonini, i-ferro calcium inikeza izinzuzo ezihlukile kodwa futhi inikeza izinselele ezithile zokusebenza okufanele abasebenzisi bazicabangele.
Ukwandisa ukusebenza kahle kanye nokunciphisa udoti, ukulandela izinqubo ezihamba phambili ezimisiwe kubalulekile lapho kuhlanganiswa i-ferro calcium emisebenzini ye-metallurgical.
Kunezindlela ezimbili eziyinhloko zokwethula i-ferro calcium kubhavu ensimbi encibilikisiwe:
Ukwengezwa kwesigaxa okwenziwa ngesandla kuhlala kusebenza kumaqoqwana amancane kodwa ngokuvamile kuletha ukululama okuphansi ngenxa yokulahleka kwe-oxidation engaphezulu.
Umthamo ojwayelekile usukela ku-0.5 kuye ku-2.0 kg ngethani lensimbi, kuye ngamaleveli okungcola okuqala kanye nokucaciswa okuqondiwe. Ukwengeza ngokweqile akukhulisi nje kuphela izindleko kodwa kungase futhi kubangele ukukhihliza amagwebu ngokweqile noma ukuguguleka kwenhlabathi.
I-Ferro calcium ivamise ukungezwa ngemva kokukhishwa kwe-oxidation okuyinhloko nge-aluminium noma i-silicon-manganese alloys. Ukuyethula kusenesikhathi kakhulu kubeka engcupheni ukuphinda kufakwe umoya-mpilo nge-oxygen eyinsalela, kuyilapho ukungezwa kwakamuva kukhawulela isikhathi sokuntanta.
Isidingo somhlaba wonke se-ferro calcium siyaqhubeka nokukhula kanye nokuthuthuka kobuchwepheshe bensimbi ehlanzekile kanye nemithetho eqinile yezemvelo. Abakhiqizi baya ngokuya begxila ekuzinzeni, ukusebenza kahle kwamandla, kanye nokuhlanganiswa kwedijithali ezindaweni zokukhiqiza.
Izinto ezintsha zakamuva zibandakanya amadizayini athuthukisiwe eziko lokusetshenziswa kwamandla okuncishisiwe, amasistimu okulawula ikhwalithi azenzakalelayo asebenzisa i-spectroscopy yesikhathi sangempela, nokuthuthukiswa kwama-ejenti abophezelayo e-eco-friendly ezintambo ezinezintambo. Ukwengeza, ucwaningo lwezinye izindlela zokunciphisa luhlose ukwehlisa izinyawo zekhabhoni ezihambisana nezindlela zendabuko zokuncibilikisa.
Amandla ezimakethe aphakamisa ukukhula okuqhubekayo kwezomnotho ezisafufusa ezitshala imali eningi kungqalasizinda kanye nezimboni ezinzima. Ngaleso sikhathi, izifunda ezithuthukisiwe zigcizelela isidingo sokushayela izinsimbi ezikhethekile zenani eliphakeme lemikhiqizo ye-ferro calcium yezinga eliphezulu.
Inhloso eyinhloko i-dual deoxidation kanye ne-desulfurization. I-calcium ihlangana nomoya-mpilo oncibilikisiwe nesibabule ukuze yakhe inhlanganisela ehlukanisekayo, ithuthukisa ukuhlanzeka kwensimbi kanye nobuqotho bemishini.
I-calcium ehlanzekile iyasebenza kakhulu futhi kunzima ukuyiphatha ngokuphepha kuzilungiselelo zezimboni. I-Ferro calcium iqinisa i-calcium ngaphakathi kwe-iron matrix, iyenze iphephe futhi isebenziseke kakhulu ekusetshenzisweni kwensimbi ngezinga elikhulu.
Cha, ngokuvamile igcwalisa esikhundleni sokungena esikhundleni samanye ama-deoxidizer afana ne-aluminium noma i-ferrosilicon. Indlela elandelanayo esebenzisa amandla e-ejenti ngayinye iletha imiphumela emihle.
Gcina endaweni epholile, eyomile kude nomswakama kanye nokukhanya kwelanga okuqondile. Iziqukathi ezivaliwe noma izisele ezimboziwe zivimbela ukuwohloka okubangelwa umswakama womkhathi.
Nakuba ingahlukaniswa njengobuthi obukhulu, ikhiqiza uthuli olucolisekile olungacasula amehlo namaphaseji okuphefumula. I-PPE efanele ehlanganisa imaski, izibuko, namagilavu kufanele kugqokwe njalo ngesikhathi sokuphatha.
I-Ferro calcium isalokhu iyitshe legumbi kwezensimbi zesimanje, enikeza amakhono angenakuqhathaniswa ekuhlanzeni nasekulungiseni izinsimbi ezincibilikisiwe. Ukuguquguquka kwayo kusuka ekukhiqizeni okujwayelekile kwe-carbon steel kuya ekuthuthukisweni kwe-alloy esezingeni eliphezulu, okusekela izimboni ezizinikele kwikhwalithi nokusungula izinto ezintsha.
Kubenzi bensimbi abafuna ukusebenza komkhiqizo okuthuthukisiwe, ukukhetha ibanga elifanele nendlela yokufaka kubaluleke kakhulu. Amabanga ajwayelekile anele ngezinjongo ezijwayelekile, kuyilapho okuhlukile kwe-calcium ephezulu kuhlinzekela izinhlelo zokusebenza ezidinga ukungcola okuncane. Amafomu ane-granulated ahambisana nezinhlelo ezizenzakalelayo, kuyilapho izigaxa zihlala zisebenza ekusebenzeni okwenziwa ngesandla.
Ochwepheshe abahlola abahlinzeki kufanele babeke phambili labo ababonisa ubuchwepheshe, ukuqinisekiswa kwekhwalithi okungaguquki, nokubambelela ezindinganisweni zamazwe ngamazwe. Ukuthi uthuthukisa izinqubo ezikhona noma ukwethulwa kwemizamo emisha, ukuhlanganisa i-ferro calcium ngobuchule iletha ukuthuthuka okulinganisekayo ekusebenzeni kahle, ukwethembeka komkhiqizo, kanye nokuncintisana kwesikhathi eside. Ukubambisana nabakhiqizi abahlonishwayo njenge-Inner Mongolia Xinxin Silicon Industry Co., Ltd. kuqinisekisa ukufinyelela kuma-alloys ekhwalithi ephezulu okusekelwe amashumi eminyaka esipiliyoni sembonini kanye nokulawulwa kwekhwalithi okuqinile.