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Esi sikhokelo sibanzi siyaphonononga icoke yamalahle, ukuphonononga kwinkqubo yokwenziwa kwayo, iipropati eziphambili, usetyenziso olwahlukeneyo, kunye nokuqwalaselwa kokusingqongileyo. Funda malunga neentlobo ezahlukeneyo ze icoke yamalahle, indima yayo kumashishini ahlukeneyo, kunye nekamva lesi sixhobo esibalulekileyo.
I-coke yamalahle i-gray, i-hard, kunye ne-porous fuel enomxholo ophezulu wekhabhoni, oveliswa ngokufudumeza amalahle e-bituminous ngokungabikho komoya (inkqubo ebizwa ngokuba yi-carbonization). Le nkqubo igxotha iinxalenye eziguquguqukayo, ishiya ngasemva intsalela eqinileyo. Umgangatho we icoke yamalahle kuxhomekeke kakhulu kuhlobo lwamalahle asetyenzisiweyo kunye nenkqubo ye-carbonization esebenzayo. Iindidi ezahlukeneyo ze icoke yamalahle zikhona, nganye ineempawu ezizodwa kunye nezicelo.
Ngokwemveli icoke yamalahle imveliso ibandakanya ukutshaja amalahle kwi-oveni ye-coke, eqhele ukufudunyezwa kumaqondo obushushu angaphezu kwama-900°C (1652°F). Inkqubo ithatha iiyure eziliqela, kunye nesiphumo icoke yamalahle Icinywa ke ngamanzi ukumisa i-carbonization reaction. Ii-oveni zecoke zanamhlanje zisebenzisa itekhnoloji ephucukileyo ukuphucula ukusebenza kakuhle nokunciphisa izinto ezikhutshwayo. Ukukhethwa komxube wamalahle ofanelekileyo kubalulekile ekuveliseni icoke yamalahle kunye neempawu ezifunwayo.
Kukho iintlobo ngeentlobo zee-oveni ze-coke, nganye kuzo ibonelela ngamanqanaba ahlukeneyo okusebenza kunye nefuthe lokusingqongileyo. Ezi zibandakanya ii-oveni zesiqhelo zeenyosi kunye nee-oveni zecoke zebhetri zanamhlanje. Ukukhethwa kohlobo lwe-oven kuxhomekeke kwizinto ezifana nomlinganiselo wemveliso kunye nemimiselo yokusingqongileyo.
Iipropati ze icoke yamalahle zibalulekile ekuqinisekiseni ukufaneleka kwayo kwizicelo ezahlukeneyo. Iipropati eziphambili ziquka:
| Ipropati | Inkcazo |
|---|---|
| Amandla | Ukuchasana nokutyumza kunye nokukrazula. Ibalulekile ekusebenzeni kwesithando somlilo. |
| Ukuphinda kusebenze | Iqondo apho isabela ngeoksijini. Ichaphazela ukusebenza kakuhle kokutsha. |
| I-Porosity | Ubukho bee-pores ezidibeneyo, ezichaphazela ukusebenza kwayo kwakhona kunye nokungena kwegesi. |
| Isiqulatho sothuthu | Ukungcola okuseleyo emva kwe-carbonization. Iimpembelelo zokutsha kunye nomgangatho wemveliso. |
I-coke yamalahle ufumana ukusetyenziswa ngokubanzi kumashishini ahlukeneyo, ngokuyinhloko njenge-arhente yokunciphisa kwiinkqubo ze-metallurgical.
Olona setyenziso lubalulekileyo lwe icoke yamalahle ikwimveliso yentsimbi nentsimbi. Isebenza njenge-fuel kunye ne-arhente yokunciphisa kwiziko eziqhumayo, iguqula i-iron ore ibe yintsimbi yehagu. Umxholo wayo wekhabhoni ephezulu kunye ne-porosity ibalulekile kule nkqubo. Umgangatho ophezulu icoke yamalahle ibalulekile ekwenzeni intsimbi esebenzayo kunye neyoqoqosho. Kwimveliso yentsimbi ekhethekileyo, ngokukodwa icoke yamalahle iipropati zinokufunwa.
Ngaphandle kwe-metallurgy, icoke yamalahle ufumana izicelo kwamanye amashishini, kubandakanywa: imisebenzi ye-Foundry (njenge-fuel kunye ne-arhente yokunciphisa), unyango lwamanzi (ukucoca), kunye necandelo kwezinye iintlobo ze-electrode. Nangona kunjalo, uninzi lwe icoke yamalahle imveliso inikezelwe kwicandelo lentsimbi kunye nentsimbi.
Ukuveliswa kunye nokusetyenziswa kwe icoke yamalahle phakamisa iinkxalabo zokusingqongileyo, ikakhulu ngenxa yokukhutshwa kwerhasi yegreenhouse kunye nongcoliseko lomoya. Ii-oveni ze-coke zanamhlanje zibandakanya itekhnoloji yokunciphisa le miba, kodwa uphando luyaqhubeka kwiindlela ezicocekileyo nezizinzileyo.
Ngelixa icoke yamalahle ihlala iyinto ebalulekileyo, ishishini lijongene noxinzelelo lokunciphisa indawo yalo yokusingqongileyo. Uphando lujolise ekuphuculeni ukusebenza kakuhle kwemveliso ye-coke, ukuhlola ezinye ii-agent zokunciphisa kwi-steelmaking, kunye nokuphuhlisa i-carbon capture kunye ne-teknoloji yokugcina. Iinkqubo ezizinzileyo zibalulekile kwikamva le icoke yamalahle ishishini. Iinkampani ezifana ne-Inner Mongolia Xinxin Silicon Industry Co.,Ltd (https://www.xinxinsilicon.com/) babandakanyeka ngokubonakalayo kuphuhliso nasekuphunyezweni kwezi zenzo ezizinzileyo.
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