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Esi sikhokelo sibanzi siyaphonononga i-silicon calcium, ukuphonononga kwiipropati zayo, ukusetyenziswa kwayo, kunye neenkqubo zokuvelisa. Siza kujonga imiba ephambili yokukhetha ibakala elifanelekileyo kwaye sinikele ngemibono kusetyenziso olusebenzayo kumashishini ahlukeneyo. Funda indlela yokwenza ngcono imisebenzi yakho ngale alloy ibalulekileyo.
Ferro silicon calcium (FeSiCa) i-ferroalloy eyenziwe ngokuyinhloko yentsimbi (Fe), i-silicon (Si), kunye ne-calcium (Ca). Ezi zinto zidibanisa ukwenza i-deoxidizer enamandla kunye ne-desulfurizer, iyenza ibe yimfuneko kwiinkqubo ezahlukeneyo zesinyithi, ngakumbi ukwenza intsimbi. Ukuqulunqwa okuchanekileyo kuyahluka ngokuxhomekeke kwisicelo esicetywayo, kunye namabakala ahlukeneyo anika imilinganiselo eyahlukeneyo yezi zinto zibalulekileyo. Ubukho be-calcium buphucula kakhulu ukusebenza kwayo njenge-modifier, igalelo ekuphuculeni umgangatho wentsimbi kunye nokunciphisa amanqanaba okubandakanywa.
Iipropati ze i-silicon calcium ubukhulu becala bumiselwa yikhemikhali yayo. Iimpawu eziphambili ziquka:
Amabanga ahlukeneyo i-silicon calcium ziyafumaneka, zilungiselela iimfuno ezithile zesinyithi. La mabanga ahlelwe ngokwesiqhelo ngokusekwe kumxholo we-silicon kunye ne-calcium. Ukukhetha ibakala elifanelekileyo kubalulekile kwiziphumo ezizezona ziphezulu. Soloko ubhekisa kwiinkcukacha zomenzi ngeenkcukacha ezichanekileyo malunga nokwakheka kunye nokusetyenziswa.
Ferro silicon calcium ifumana ukusetyenziswa okubanzi kumashishini ahlukeneyo, ikakhulu ekwenzeni intsimbi kodwa ukunabela kwezinye iinkqubo zesinyithi. Imisebenzi yayo ephambili ibandakanya:
Ekwenzeni intsimbi, i-silicon calcium isebenza njenge-deoxidizer enamandla, isusa ioksijini enyibilikisiweyo kwintsimbi etyhidiweyo. Oku kunciphisa ukubunjwa kwee-oxides ezingafunekiyo, ezikhokelela kumgangatho ophuculweyo wentsimbi, ukuphuculwa kweempawu zoomatshini, kunye nokuphuculwa kobuchule. Izakhono zayo ze-desulfurizing nazo zinegalelo kwintsimbi ecocekileyo, ekhululekile kwizinto ezinobungozi zesulfure. Ukongezwa kwe-calcium kuphucula ngakumbi ukwakheka kweenkozo zentsimbi, okukhokelela ekunyukeni kwamandla kunye nokuqina. Amabanga ahlukeneyo i-silicon calcium zisetyenziswa ngokusekwe kwibakala elithile lentsimbi kunye neeparamitha zokusetyenzwa.
Ngaphandle kokwenza intsimbi, i-silicon calcium inokuqeshwa kwezinye iinkqubo ze-metallurgical, ezifana nokuveliswa kwentsimbi ye-ductile kunye ne-alloy castings eyahlukeneyo. Iipropathi zayo ze-deoxidizing kunye ne-desulfurizing zingqina ukuba ziluncedo kwezi zicelo, zikhokelela kumgangatho wemveliso ophuculweyo.
Ukukhetha ibakala elifanelekileyo i-silicon calcium ibalulekile ekufumaneni iziphumo ezizezona zilungileyo. Izinto ekufuneka ziqwalaselwe ziquka:
Qhagamshelana neengcali ze-metallurgical kwaye ubhekisele kwiinkcukacha zomenzi ukuze ufumane elona bakala lifanelekileyo kwisicelo sakho esithile. Ngokomzekelo, i-silicon ephezulu kunye nomxholo we-calcium unokukhethwa kwizicelo ezifuna i-deoxidation engakumbi kunye ne-desulfurization.
Ferro silicon calcium kufuneka iphathwe ngenkathalo ngenxa yobume bayo obusebenzayo. Ngalo lonke ixesha unxibe izixhobo ezifanelekileyo zokuzikhusela (PPE), kubandakanya iiglavu, ukhuseleko lwamehlo, kunye nokhuseleko lokuphefumla. Kuphephe ukudibana namanzi okanye ukufuma, njengoko oku kunokuvelisa igesi yehydrogen enokutsha. Ukugcinwa ngokufanelekileyo kwindawo eyomileyo, enomoya ococekileyo kubalulekile ukukhusela ukuthotywa kunye nokuqinisekisa ukhuseleko.
Ukukhangela okuthembekileyo ngundoqo ekuqinisekiseni umgangatho wemveliso ongaguqukiyo kunye nokusebenza. Qwalasela ababoneleli ngerekhodi eqinisekisiweyo, imilinganiselo ebanzi yolawulo lomgangatho, kunye nokuzinikela kukhuseleko noxanduva lokusingqongileyo. I-Inner Mongolia i-Xinxin Silicon Industry Co.,Ltd ngumvelisi ophambili wodidi oluphezulu i-silicon calcium, idume ngokuzinikela kwayo ekugqweseni.
| IBanga | Si (%) | Ca (%) |
|---|---|---|
| FeSiCa 75/20 | 75 | 20 |
| FeSiCa 65/15 | 65 | 15 |
Qaphela: Iimpawu ezithile kunye nokufumaneka kwamabanga kunokwahluka ngokuxhomekeke kumvelisi. Soloko ubhekisa kuluhlu lweenkcukacha zomenzi ngolwazi oluchanekileyo.
Olu lwazi lololwazi ngokubanzi kunye nesikhokelo kuphela kwaye alubandakanyi iingcebiso zobuchwephesha besinyithi. Soloko udibana neengcali eziqeqeshiweyo phambi kokuba wenze naziphi na izigqibo ezinxulumene nokusetyenziswa okanye ukuphatha i-silicon calcium.
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