Ezimweni eziningi zokukhiqiza ezimbonini, izindawo zokushisa eziphakeme zivamile kodwa ziyinselele enkulu. Kungakhathaliseki ukuthi amalangabi avuthayo ngesikhathi sokuncibilika kwensimbi, izithando zokushisa eziphezulu ekukhiqizeni ingilazi, noma ama-reactors ashisa kakhulu ekukhiqizeni amakhemikhali, izidingo eziqinile zibekwe ekuphikisweni kwezinga lokushisa eliphezulu kwezinto. Kukhona okubalulekile okudlala indima ebalulekile kule mikhakha yezinga lokushisa eliphezulu futhi engeke ishaywe indiva,amabhlogo we-silicon carbide ukumelana nokushisa.
I-silicon carbide, ngokombono wokwakheka kwamakhemikhali, iyinhlanganisela eyakhiwe izakhi ezimbili: i-silicon (Si) ne-carbon (C). Naphezu kokuba negama elithi 'silicon' egameni layo, ukubukeka kwayo kuhluke kakhulu ezintweni ze-silicon esizibona ekuphileni kwethu kwansuku zonke. I-silicon carbide ivamise ukubonakala njengamakristalu amnyama noma aluhlaza, anokwakheka okuqinile nobulukhuni obuphezulu. Uma isetshenziselwa ukunwaya ingilazi, izoshiya kalula amamaki engilazini, njengokusika ibhotela ngommese omncane.
Isizathu sokuthi kungani amabhlogo we-silicon carbide ukumelana nokushisa angagqama ezindaweni zokushisa okuphezulu kungenxa yochungechunge lwezakhiwo ezinhle kakhulu. Okokuqala, inokumelana nezinga lokushisa okuphezulu kakhulu, enephuzu elincibilikayo eliphezulu kakhulu, okusho ukuthi ingahlala izinzile ezindaweni ezijwayelekile zezimboni ezisezingeni eliphezulu futhi ngeke ithambe kalula, yonakale, noma incibilike. Lapho izinga lokushisa ngaphakathi kwesithando somlilo esincibilikisa insimbi likhuphuka, ezinye izinto kungenzeka ukuthi seziqalile “ukuthwala umthwalo”, kodwa amabhlogo amelana nokushisa e-silicon carbide “angahlala anganyakazi” futhi athwale kancane kancane umthwalo wemfanelo wokuvikela umzimba wesithando somlilo nokugcina ukukhiqizwa.
Ukuzinza kwamakhemikhali kwamabhulokhi we-silicon carbide ukumelana nokushisa nakho kuhle kakhulu. Iyakwazi ukumelana namakhemikhali ahlukahlukene, futhi kunzima ngama-acids anamandla agqwalayo noma izinto ezine-alkali ukuyilimaza. Ekukhiqizweni kwamakhemikhali, amakhemikhali ahlukahlukene abolayo avame ukuhlangana nawo. Ukusebenzisa amabhulokhi e-silicon carbide ukumelana nokushisa njengolwelwesi lwemishini yokusabela kungavimbela ngempumelelo okokusebenza ukuthi kungagqwali, kunwebe impilo yesevisi yemishini, futhi kunciphise izindleko zokukhiqiza.
Ngaphezu kwalezi zakhiwo ezingenhla, amabhlogo we-silicon carbide ukumelana nokushisa nawo anokumelana okuhle nokugqokwa namandla aphezulu. Kwezinye izindawo ezinezinga lokushisa eliphezulu elinokuguguleka kwempahla, njengezihlukanisi zesishingishane kanye neziko zokubala ezitshalweni zikasimende, amabhulokhi amelana nokushisa e-silicon carbide anganciphisa ukulahlekelwa okubangelwa ukungqubuzana kwezinto ngenxa yezakhiwo zawo ezingagugi, aqinisekise ukusebenza okuvamile kwemishini. Amandla ayo aphezulu ayenza ikwazi ukumelana nengcindezi ethile namandla omthelela, igcine ubuqotho besakhiwo ezindaweni eziyinkimbinkimbi zezimboni.
Amabhlogo we-silicon carbide ukumelana nokushisa asetshenziswa kabanzi emkhakheni wezimboni. Embonini yensimbi, isetshenziswa kakhulu emishinini efana nezithando zomlilo nezitofu ezishisayo. Ngaphakathi kwesithando somlilo, insimbi encibilikisiwe enezinga eliphezulu lokushisa kanye ne-slag kunezidingo eziphakeme kakhulu zempahla yolayini. Amabhulokhi we-silicon carbide ukumelana nokushisa, anokumelana nokushisa okuphezulu nokumelana nokuguguleka, abe yisinqumo esihle kakhulu sezinto zokwenziwa kwe-lining, ukwandisa ngokuphumelelayo impilo yesevisi yesithando somlilo esiqhumayo kanye nokwenza ngcono ukusebenza kahle kanye nekhwalithi yokukhiqiza insimbi. Esithandweni somlilo oshisayo, amabhulokhi e-silicon carbide ukumelana nokushisa asebenza njengemizimba yokugcina ukushisa, engagcina kahle futhi ikhulule ukushisa, inikeze umoya oshisayo onezinga eliphezulu lokushisa kwesithando somlilo futhi ithuthukise ukusebenza kahle kokusetshenziswa kwamandla.
Embonini yokuncibilikisa insimbi engeyona i-ferrous, njengenqubo yokuncibilikisa i-aluminium, ithusi nezinye izinsimbi, amabhulokhi we-silicon carbide ukumelana nokushisa nawo abalulekile. Izinga lokushisa elincibilikayo lalezi zinsimbi liphakeme uma kuqhathaniswa, futhi amagesi agqwalayo ahlukahlukene kanye ne-slag kukhiqizwa phakathi nenqubo yokuncibilika. Amabhulokhi we-silicon carbide ukumelana nokushisa angakwazi ukuzivumelanisa kahle nezimo ezinjalo ezinokhahlo, avikele imishini yesithando somlilo, futhi aqinisekise ukuncibilika okubushelelezi kwezinsimbi ezingenayo insimbi.
Amabhulokhi we-silicon carbide ukumelana nokushisa nawo anezinhlelo zokusebenza ezibalulekile embonini ye-ceramic neyengilazi. Ukudubula kwe-ceramic kudinga ukwenziwa ezindaweni ezishisa kakhulu zokushisa. Ama-Kilns enziwe ngamabhulokhi we-silicon carbide angangeni ekushiseni, njengamabhodi okuchithwa, amabhokisi, njll., awakwazi nje ukumelana nokushisa okuphezulu, kodwa futhi aqinisekise ukuzinza nokufana kwemikhiqizo ye-ceramic ngesikhathi sokudubula, okusiza ukuthuthukisa ikhwalithi yemikhiqizo ye-ceramic. Ezithandweni ezincibilikisa ingilazi, amabhlogo we-silicon carbide ukumelana nokushisa asetshenziselwa ulayini kanye namagumbi okugcina ukushisa, angamelana nokuguguleka kwezinga lokushisa eliphezulu nokukhuhla uketshezi lwengilazi, kuyilapho kuthuthukisa ukusebenza kahle kwesithando somlilo nokunciphisa ukusetshenziswa kwamandla.
Ngokuthuthuka okuqhubekayo kobuchwepheshe kanye nentuthuko eqhubekayo yezimboni, amathuba okusetshenziswa kwamabhulokhi amelana nokushisa e-silicon carbide azoba banzi nakakhulu. Ngakolunye uhlangothi, abacwaningi bahlala behlola izinqubo ezintsha zokulungiselela kanye nobuchwepheshe ukuze baqhubeke nokuthuthukisa ukusebenza kwamabhulokhi we-silicon carbide ukumelana nokushisa nokunciphisa izindleko zokukhiqiza. Isibonelo, ngokwamukela inqubo entsha ye-sintering, ukuminyana kanye nesakhiwo samabhulokhi we-silicon carbide ukumelana nokushisa kungandiswa, ngaleyo ndlela kuthuthukiswe ukusebenza kwawo jikelele. Ngakolunye uhlangothi, ngokukhula okusheshayo kwezimboni ezisafufusa njengamandla amasha kanye ne-aerospace, isidingo sezinto ezimelana nezinga lokushisa eliphezulu siyanda, futhi amabhulokhi we-silicon carbide ukumelana nokushisa kulindeleke ukuthi abambe iqhaza elikhulu kule mikhakha.
Isikhathi sokuthumela: Sep-02-2025