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2026-05-09
Kashiamu ya Ferro ndi ferroalloy yofunika kwambiri yomwe imagwiritsidwa ntchito makamaka m'mafakitale opangira zitsulo komanso zopangira zida zopangira zitsulo, kuchotsa zinyalala, komanso kukonza makina. Monga deoxidizer ndi desulfurizer, imagwira ntchito yofunika kwambiri popanga zitsulo zapamwamba kwambiri komanso chitsulo cha ductile. Kalozera wathunthu wa 2026 uyu amawunika kagwiritsidwe ntchito ka ferro calcium, magiredi omwe alipo, njira zopangira, ndi chidziwitso cha akatswiri kuti athandize akatswiri amakampani kupanga zosankha zogula ndikugwiritsa ntchito.
Ferro calcium, yomwe nthawi zambiri imafupikitsidwa ngati FeCa, ndi alloy yomwe imapangidwa makamaka ndi chitsulo ndi calcium, yokhala ndi calcium yomwe imakhala pakati pa 28% ndi 35%. Zimagwira ntchito ngati chowonjezera champhamvu muzitsulo zazitsulo chifukwa cha kuyanjana kwamphamvu kwa calcium kwa mpweya ndi sulfure. Ikalowetsedwa muzitsulo zosungunula, ferro calcium imachepetsa bwino zophatikizira zopanda zitsulo, imayenga kapangidwe ka tirigu, ndikuwongolera ukhondo wonse.
Aloyi amapangidwa kudzera mu ng'anjo yamagetsi ya arc smelting, pomwe laimu (calcium oxide) ndi zochepetsera monga coke kapena silicon zimachitikira kutentha kwambiri. Chotsatiracho chimaponyedwa mumiyendo kapena ma granules oyenera machitidwe osiyanasiyana odyetsera mafakitale. Kuchita kwake kumapangitsa kuti ikhale yofunikira kwambiri pakupanga zitsulo zamakono.
Ferro calcium imagwiritsa ntchito kwambiri magawo angapo amakampani opanga zitsulo. Ntchito yake yayikulu ikukhudza kuyeretsa ndi kusinthidwa kwa zitsulo zosungunuka, kuwonetsetsa kuti zinthu zomaliza zimakwaniritsa mfundo zokhwima.
Popanga zitsulo, ferro calcium imagwiritsidwa ntchito kwambiri ngati deoxidizer ndi desulfurizer. Calcium imakhudzidwa ndi mpweya wosungunuka ndi sulfure kupanga zinthu zokhazikika zomwe zimayandama pa slag wosanjikiza, potero zimachotsa kusungunuka. Izi zimakulitsa kwambiri chiyero chachitsulo ndikuchepetsa zolakwika monga kufupika kotentha.
Ferro calcium ndiyofunikiranso pakupanga chitsulo cha ductile, komwe imakhala ngati nodulizing wothandizira pamodzi ndi magnesium. Zimathandizira kulimbikitsa mapangidwe a spheroidal graphite, omwe amathandizira kwambiri kulimba kwamphamvu komanso kukana mphamvu. Kuphatikizika koyenera kumatsimikizira kusinthika kwa microstructure ndikuchepetsa kuchepa kwa porosity.
Kupitilira zitsulo za kaboni ndi zitsulo zotayidwa, ferro calcium imathandizira kupanga ma alloys apadera omwe amafunikira kuchuluka kwa zonyansa kwambiri. Mafakitale monga zakuthambo, magalimoto, ndi mphamvu zimadalira zida zapamwambazi pazigawo zofunika kwambiri zomwe zimakhala zovuta kwambiri.
Ntchito zosiyanasiyana zimafuna kupangidwa kwapadera kwamankhwala ndi mitundu yakuthupi ya ferro calcium. Kumvetsetsa kusiyanitsa kwa kalasi kumathandizira kusankha koyenera kutengera zomwe zimafunikira pakuchita komanso kutengera mtengo wake.
| Mtundu wa Gulu | Kashiamu (%) | Zinthu za Silikoni (%) | Mlandu Wogwiritsiridwa Ntchito Wodziwika |
|---|---|---|---|
| Makalasi Okhazikika | 28–30 | 55–60 | General steelmaking, Basic desulfurization |
| High-calcium Grade | 30-35 | 50-55 | Zida zopangira zitsulo zotsika, zotsika sulfure |
| Fomu ya Granulated | 28–32 | 55–58 | Makina opangira jakisoni, chithandizo cha ladle |
| Fomu ya Lump | 28–30 | 55–60 | Kulipira pamanja, zoyambira zazing'ono |
Opanga atha kupereka zosakaniza makonda malinga ndi zosowa za makasitomala. Kugawa kwa tinthu tating'ono ndi chinthu china chofunikira; ma granules ang'onoang'ono amatsimikizira kusungunuka mwachangu pomwe zotupa zazikulu zimawongolera momwe zimayendera pakathandizidwe nthawi yayitali.
Kupanga kashiamu ya ferro kumaphatikizapo magawo angapo oyendetsedwa bwino kuti akwaniritse zomwe akufuna komanso kuchitanso. Kuchita bwino kwa njirayi kumakhudza mwachindunji magwiridwe antchito komanso kusasinthika kwazinthu.
High-purity laimu (CaO), mchenga wa silika, mphepo yamkuntho, ndipo nthawi zina aluminiyamu kapena ferrosilicon amagwira ntchito ngati zida zofunika kwambiri. Zolowetsazi ziyenera kufufuzidwa ndikuwumitsidwa kuti zithetse chinyezi ndi zowonongeka zomwe zingasokoneze kuchepetsa kuchepa.
Zida zophatikizika zimayikidwa mu ng'anjo yamagetsi yamagetsi yomwe imagwira ntchito pa kutentha kopitilira 2000 ° C. Pansi pa kutentha kwambiri, calcium oxide imachepetsedwa ndi carbothermic:
CaO + C → Ca(nthunzi) + CO
Kashiamu wa vaporized ndiye amaphatikiza ndi chitsulo kupanga alloy asanaponyedwe mu nkhungu.
Kashiamu wosungunuka wa ferro amatsanuliridwa mu nkhungu za ingot kapena kuponyedwa mosalekeza m'mipiringidzo. Pambuyo pozizirira, zinthu zolimba zimaphwanyidwa ndikuwunikiridwa m'miyeso yodziwika - nthawi zambiri 10-50mm ngati mtanda kapena 1-10mm pamitundu yosiyanasiyana yomwe imagwiritsidwa ntchito poyatsira waya kapena jekeseni wopumira.
Posankha wogulitsa ma ferroalloys ovuta ngati ferro calcium, kuyanjana ndi mtsogoleri wokhazikika wamakampani ndikofunikira. Malingaliro a kampani Inner Mongolia Xinxin Silicon Industry Co., Ltd. imadziwika kuti ndi m'modzi mwa opanga zazikulu kwambiri pantchitoyi, yomwe ili mkati mwa Inner Mongolia Development Zone Industrial park. Ndi mbiri yakale komanso cholowa chambiri, kampaniyo yadzipangira mbiri yokhazikika yamtundu wazinthu komanso kuwoneka bwino pamsika wapadziko lonse lapansi komanso wapadziko lonse lapansi.
Xinxin Silicon imagwira ntchito motsogozedwa ndi kasamalidwe kokhazikika komanso kachitidwe kotsimikizira bwino, kutsatira malingaliro abizinesi a "khalidwe la kupulumuka, kukhulupirika kwachitukuko, ndi ukadaulo wochita bwino." Malo awo apamwamba kwambiri amakhala ndi mizere yopangira zinthu zambiri osati ferro calcium (calcium silicon) komanso ferrosilicon, silicon manganese, silicon barium calcium, silicon metal, mawaya a cored, ndi nodulazer. Kuwonetsetsa kuti gulu lililonse likukwaniritsa miyezo yapadziko lonse lapansi komanso yapadziko lonse lapansi, kampaniyo imagwiritsa ntchito mainjiniya odziwa zambiri kuti aziwongolera njira zopangira ndikugwiritsa ntchito zida zonse zoyezera molondola. Kudzipereka kumeneku pakuchita bwino kwapangitsa Xinxin Silicon ulemu wambiri pamakampani opanga zitsulo, kuwapanga kukhala mnzake wodalirika wamabizinesi omwe akufunafuna ma deoxidizer odalirika ndi ochotsera sulfurizer.
Monga zida zilizonse zamafakitale, ferro calcium imapereka maubwino apadera komanso imapereka zovuta zina zomwe ogwiritsa ntchito ayenera kuziganizira.
Kuti muchulukitse mphamvu ndi kuchepetsa zinyalala, kutsatira njira zabwino zomwe zakhazikitsidwa ndikofunikira mukaphatikiza ferro calcium m'ntchito zopangira zitsulo.
Pali njira ziwiri zopangira ferro calcium m'malo osambira achitsulo osungunuka:
Kuonjezera mtanda pamanja kumakhalabe kotheka pamagulu ang'onoang'ono koma nthawi zambiri kumachepetsa kuchira chifukwa cha kuwonongeka kwa okosijeni pamwamba.
Mlingo wodziwika bwino umachokera ku 0,5 mpaka 2.0 kg pa tani yachitsulo, kutengera milingo yoyambira yodetsedwa ndi zomwe mukufuna. Kuchulukitsa sikungowonjezera mtengo komanso kungayambitsenso kutulutsa thovu kapena kukokoloka kosalekeza.
Ferro calcium nthawi zambiri amawonjezedwa pambuyo pa deoxidation yoyamba ndi aluminiyamu kapena silicon-manganese alloys. Kuziyambitsa msanga kumawononganso okosijeni ndi okosijeni wotsalira, pomwe kuwonjezera mochedwa kumachepetsa nthawi yoyandama.
Kufunika kwapadziko lonse kwa ferro calcium kukukulirakulira limodzi ndi kupita patsogolo kwaukadaulo wazitsulo zoyera komanso malamulo okhwima a chilengedwe. Opanga akuyang'ana kwambiri kukhazikika, mphamvu zamagetsi, komanso kuphatikiza kwa digito m'malo opangira.
Zatsopano zaposachedwa zikuphatikiza mapangidwe apamwamba a ng'anjo kuti achepetse kugwiritsa ntchito mphamvu, makina owongolera omwe amagwiritsa ntchito nthawi yeniyeni, komanso kukonza mawaya ogwirizana ndi chilengedwe. Kuphatikiza apo, kafukufuku wokhudza njira zina zochepetsera cholinga chake ndi kupititsa patsogolo kutsika kwa mpweya wokhudzana ndi njira zachikhalidwe zosungunulira.
Kukula kwa msika kukuwonetsa kukulirakulira kwachuma chomwe chikubwera chomwe chimayika ndalama zambiri pazomangamanga ndi mafakitale olemera. Pakadali pano, madera otukuka akugogomezera kufunikira kwazitsulo zamtengo wapatali zoyendetsera zinthu zamtundu wa ferro calcium.
Cholinga chachikulu ndi deoxidation wapawiri ndi desulfurization. Calcium imakhudzidwa ndi okosijeni wosungunuka ndi sulfure kupanga zinthu zolekanitsidwa, kumapangitsa kuti chitsulo chizikhala chaukhondo komanso kukhulupirika pamakina.
Kashiamu yoyera imakhala yotakasuka kwambiri komanso yovuta kuigwira bwino m'mafakitale. Ferro calcium imakhazikika m'kati mwachitsulo chachitsulo, ndikupangitsa kuti ikhale yotetezeka komanso yothandiza kwambiri popanga zitsulo zazikulu.
Ayi, nthawi zambiri imathandizira m'malo mosintha ma deoxidizer ena monga aluminiyamu kapena ferrosilicon. Njira yotsatizana yogwiritsira ntchito mphamvu za wothandizira aliyense imapereka zotsatira zabwino.
Sungani pamalo ozizira, owuma kutali ndi chinyezi komanso kuwala kwa dzuwa. Zotengera zomata kapena ma silo ophimbidwa amapewa kuwonongeka kobwera chifukwa cha chinyezi cha mumlengalenga.
Ngakhale kuti sichidziwika kuti ndi chapoizoni kwambiri, imapanga fumbi labwino kwambiri lomwe limatha kukhumudwitsa maso ndi njira zopumira. PPE yoyenera kuphatikiza masks, magalasi, ndi magolovesi azivala nthawi zonse pogwira.
Ferro calcium imakhalabe mwala wapangodya muzitsulo zamakono, zomwe zimapereka mphamvu zosayerekezeka poyeretsa ndi kusintha zitsulo zosungunuka. Kusinthasintha kwake kumayambira pakupanga chitsulo cha kaboni kupita ku chitukuko chamakono cha alloy, kuthandizira mafakitale odzipereka kuzinthu zabwino komanso zatsopano.
Kwa opanga zitsulo omwe akufuna kupititsa patsogolo ntchito yazinthu, kusankha giredi yoyenera ndi njira yogwiritsira ntchito ndikofunikira. Magiredi okhazikika amakwanira pazifukwa wamba, pomwe mitundu ya calcium yokwera imakwaniritsa zofunikira zomwe zimafunikira zonyansa zochepa. Mafomu a granulated amagwirizana ndi makina odzipangira okha, pomwe zotupa zimakhalabe zogwira ntchito pamanja.
Akatswiri omwe amawunika ogulitsa ayenera kuyika patsogolo omwe akuwonetsa ukatswiri waukadaulo, kutsimikizika kokhazikika, komanso kutsatira miyezo yapadziko lonse lapansi. Kaya tikukweza njira zomwe zilipo kale kapena kuyambitsa zatsopano, kuphatikiza ferro calcium mwanzeru kumapereka kuwongolera koyezeka pakuchita bwino, kudalirika kwazinthu, komanso kupikisana kwanthawi yayitali. Kugwirizana ndi opanga odziwika bwino monga Inner Mongolia Xinxin Silicon Industry Co., Ltd. kumatsimikizira mwayi wopeza ma alloys apamwamba kwambiri mothandizidwa ndi zaka zambiri zamakampani komanso kuwongolera mosamalitsa.