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Esi sikhokelo sinika inkcazo eneenkcukacha ukupheka imveliso yamalahle, egubungela yonke into ukusuka kubuchule bokumbiwa kwemigodi ukuya kwingqwalasela yokusingqongileyo. Funda malunga nemarike yehlabathi, iintlobo ezahlukeneyo ze ukupheka amalahle, kunye nekamva leli shishini libalulekileyo. Siza kuphonononga yonke inkqubo, ukusuka ekutsalweni ukuya ekuqhubeni, kwaye sixoxe ngabadlali abaphambili kunye nemingeni kwicandelo.
Uhambo lwe ukupheka imveliso yamalahle iqala ngokuphonononga ngononophelo ukuchonga imithungo yamalahle esebenzayo. Oku kubandakanya uphando lwejoloji, ukugrunjwa, kunye nohlalutyo ukuze kubonwe umgangatho wamalahle, ubungakanani, kunye nokufikeleleka kwawo. Izinto ezifana nobukhulu bomthungo, ubunzulu, kunye nomthwalo ogqithisileyo kunefuthe ekukhetheni indlela yemigodi.
Iindlela ezimbini eziphambili zokukhupha ukupheka amalahle: umgodi ongaphantsi komhlaba kunye nokwembiwa komhlaba (ukusikwa okuvulekileyo okanye ukuchithwa kwemigodi). Imigodi engaphantsi komhlaba isebenzisa iindlela ezahlukeneyo zobuchule, kubandakanywa igumbi kunye nentsika, i-longwall, kunye nebhord kunye nentsika, ngokuxhomekeke kwiimeko zejoloji. Ukumbiwa komphezulu kusetyenziswa xa imithungo isondele kumphezulu kwaye kubandakanya ukususa umthwalo ogqithileyo ukufikelela kumalahle. Indlela nganye inefuthe layo lokusingqongileyo kunye nokuqwalaselwa kweendleko.
Yakuba ikhutshiwe, ikrwada ukupheka amalahle iqhuba inkqubo yokuphucula umgangatho wayo kunye nokufaneleka kokupheka. Oku kubandakanya ukutyumza, ukukhangela, kunye nokuhlamba ukususa ukungcola, okufana ne-shale kunye nesulfure, ukuphucula iimpawu zayo zokupheka. Amanyathelo okucubungula athile axhomekeke kumgangatho wokuqala wamalahle kunye neemfuno zeshishini lensimbi.
Iqhutywe ukupheka amalahle ithuthwa kwimizila yentsimbi ngeendlela ezahlukeneyo, kubandakanywa uloliwe, indlela, kunye nenqanawa. Ukuthutha okusebenzayo kubalulekile ekunciphiseni iindleko kunye nokuqinisekisa ukubonelela ngokuqhubekayo kwishishini lentsimbi. Urhwebo lwehlabathi ludlala indima ebalulekileyo ekusasazweni kwe ukupheka amalahle, enamazwe amakhulu avelisa intsimbi ethumela kumazwe avelisa intsimbi kwihlabathi jikelele.
Ukupheka amalahle ayiyomveliso efanayo. Iipropati zayo, ngokukodwa umxholo wayo oguquguqukayo kunye nesalathisi se-caking, simisela ukufaneleka kwayo kwiinkqubo ezahlukeneyo zokupheka. Umgangatho ophezulu ukupheka amalahle iyalela amaxabiso jikelele ngokubanzi.
| Uhlobo | Umba oguquguqukayo (%) | Caking Index | Ukusetyenziswa okuqhelekileyo |
|---|---|---|---|
| Amalahle okuphekela aguquguqukayo aphezulu | >30 | Phezulu | Ukudibanisa |
| Amalahle okuphekela aMaphakathi aguquguqukayo | 18-30 | Phakathi ukuya Phezulu | Imveliso ye-Metallurgical Coke |
| Ilahle Lokuphekela elisezantsi-eliguquguqukayo | <18 | Phantsi ukuya Phakathi | Ukudibanisa, ukomeleza amandla |
Qaphela: Olu luluhlu oluqhelekileyo kunye neempawu ezithile zinokwahluka.
I ukupheka amalahle ishishini lijongene nemingeni ebalulekileyo yokusingqongileyo, kuquka ukukhutshwa kwerhasi yegreenhouse, ungcoliseko lwamanzi, kunye nokuthotywa komhlaba. Iinkqubo ezizinzileyo zibalulekile ukunciphisa ezi mpembelelo. Oku kuquka ukuphumeza imithetho engqongqo yokusingqongileyo, ukutyala imali kubugcisa obucocekileyo, nokukhuthaza ulawulo lomhlaba olunenkathalo.
Imfuno ye ukupheka amalahle ibotshelelwe ngokusondeleyo kwimveliso yentsimbi yehlabathi. Nangona kukho iinzame zokuphuhlisa ezinye iindlela zokwenza intsimbi, ukupheka amalahle ihlala iyinxalenye ebalulekileyo kwixesha elizayo elingekude. Ukwenziwa kwezinto ezintsha kubuchule bemigodi, ubugcisa bokusebenza, kunye nolawulo lwendalo esingqongileyo kuya kubumba ikamva leli shishini libalulekileyo. Iinkampani ezifana I-Inner Mongolia i-Xinxin Silicon Industry Co.,Ltd bathe gqolo bezama iindlela ezizinzileyo.
Imithombo yedatha yeli nqaku iya kongezwa apha ekugqityweni kophando kunye nokubhala.
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