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Esi sikhokelo sinika inkcazo eneenkcukacha ukupheka nzima, equka iimpawu zayo, usetyenziso, kunye nemingeni ehambelana nokusetyenziswa kwayo. Siza kuphonononga umahluko phakathi kwamalahle okuphekela aqinileyo nathambileyo, sijonge kwinkqubo ye ukupheka nzima, kwaye iphonononge impembelelo yayo kumashishini ahlukeneyo. Funda indlela yokukhetha uhlobo olufanelekileyo lwamalahle kwiimfuno zakho ezithile kwaye ufumane izisombululo eziqhelekileyo ukupheka nzima imiba enxulumeneyo.
Ukupheka nzima ibhekisela kwinkqubo yokuvelisa i-coke ye-metallurgical ukusuka kwi-high-volatile, i-low-sulfur bituminous coal. Olu hlobo lwamalahle, xa luphantsi kweqondo lokushisa eliphezulu ngokungabikho komoya, luhamba kwinkqubo ye-pyrolysis, iguqule ibe yinto eqinile, ene-porous carbon material eyaziwa ngokuba yi-coke. “Ubulukhuni” bubhekisa kumandla omzimba kunye nemfezeko yesakhiwo se-coke enesiphumo, ebalulekileyo ekusetyenzisweni kwayo kwiziko eliqhumayo kunye nezinye iinkqubo zobushushu obuphezulu besinyithi. Umgangatho we-coke uchaphazela ngokuthe ngqo ukusebenza kunye nokusebenza kwezi nkqubo. Ukuqonda iipropati zomthombo wamalahle kubalulekile ekuveliseni i-coke ekumgangatho ophezulu efanelekileyo kwizicelo ezifunayo. Izinto ezifana nomxholo wamalahle oguquguqukayo, isiqulatho sothuthu, kunye nomxholo wesulfure zinempembelelo kakhulu kwiimpawu zemveliso yokugqibela.
Ayingawo onke amalahle afanelekileyo ukupheka nzima. Amalahle afanelekileyo aneempawu ezithile. Ezi mpawu ziyimfuneko ekuqinisekiseni ukuveliswa kwe-coke ngamandla ayimfuneko kunye nokusebenza kwakhona.
I ukupheka nzima Inkqubo ibandakanya amanqanaba aliqela: ukulungisa amalahle, ukutshaja, ukupheka, kunye nokucinywa kwecoke. Amalahle aqale atyunyuzwe kwaye axutywe ukufezekisa iipropati ezifunwayo. Lo mxube uthi ke uhlawulwe kwii-oveni ze-coke, apho ufudunyezwa kumaqondo obushushu aphezulu (malunga no-°C) xa kungekho moya. Le nkqubo igxotha into eguquguqukayo, ishiya ngasemva intsalela yekhabhoni eqinileyo - i-coke. Emva koko icoke iyacinywa ukuze iphole ngaphambi kokuba ihanjiswe ukuze iphinde isetyenziswe. Ukusebenza kakuhle kwale nkqubo kuchaphazela kakhulu iindleko kunye nomgangatho wemveliso yokugqibela. Iindlela zokuphucula, ezifana nokubeka iliso ngononophelo lobushushu kunye noxinzelelo kuyo yonke inkqubo, zihlala zisetyenziswa.
Esona sicelo siphambili se-coke yi-arhente yokunciphisa kwiziko lokuqhushumba lokwenza intsimbi. Amandla ayo aphezulu kunye ne-porosity ibalulekile ekuxhaseni ubunzima bomthwalo kwisithando somlilo kunye nokuququzelela ukuhamba kakuhle kwegesi. Ngaphezu koko, ukusebenza kwayo kwakhona kuqinisekisa ukucuthwa okusebenzayo kwentsimbi yentsimbi. Ukwandisa, uphando luqhutyelwa kwezinye izicelo, ukuhlola amandla alo kwezinye iinkqubo ze-metallurgical high-temperature kunye ne-carbon-intensive industry.
I ukupheka nzima ishishini lijongene nemingeni emininzi. Ukudibana nemithetho engqongqo yokusingqongileyo enxulumene nokukhutshwa kwesulfure kunye nomgangatho womoya yeyona nto ixhalabisayo. Uphando malunga nococeko lobuchwephesha bokupheka olusebenzayo luyaqhubeka. Ukongeza, ukufumana kunye nokufumana amalahle okuphekela akumgangatho ophezulu kuya kuba nzima ngakumbi. Ukwenziwa kwezinto ezintsha kubuchule bokudibanisa amalahle kunye nezinye iinkqubo zokuphekwa zibalulekile ukuhlangabezana neemfuno zexesha elizayo. Ukuphuhliswa kwezinye iindlela ezizinzileyo kwi-coke ekwenzeni i-steelmaking kwakhona kugxininiso lophando olunzulu.
Ukukhetha amalahle afanelekileyo ukupheka nzima ibalulekile. Ukuqonda iimfuno ezithile zesicelo sakho kunye neempawu zeentlobo zamalahle ezahlukeneyo kubalulekile. Oku kubandakanya uhlalutyo olucokisekileyo lwemichiza yelahle kunye neempawu zokwakheka kwamalahle, kunye nokuqwalaselwa kwemiba efana neendleko kunye nokufumaneka kwayo. Qhagamshelana neengcali ezinamava endle ukuze uqinisekise ukukhethwa kwelahle elilelona lifanelekileyo kwiimfuno zakho.
Ukufumana ulwazi oluthe kratya malunga nekhwalithi ephezulu ye-metallurgical coke, tyelela I-Inner Mongolia i-Xinxin Silicon Industry Co.,Ltd. Bangumboneleli okhokelayo we-coke ye-metallurgical kunye nezinye iimveliso ezisekelwe kwi-silicon.
| Ipropati | Uluhlu oluLungileyo lwe-Hard Coing Coal |
|---|---|
| Umba oguquguqukayo (%) | 20-35 |
| Umxholo wothuthu (%) | <10 |
| Umxholo weSulfur (%) | <1 |
| CSR (amandla eCoke emva kokusabela) | > 80 |
1 Idatha efunyenwe kwimipapasho eyahlukeneyo yoshishino kunye namaphepha ophando. Amaxabiso athile anokwahluka ngokuxhomekeke kumthombo wamalahle kunye neendlela zokuvavanya.
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