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Lo mhlahlandlela unikeza ukubuka konke okuningiliziwe ukupheka imininingwane yamalahle, ehlanganisa izici ezibalulekile, izinhlelo zokusebenza, nezici ezithonya ikhwalithi. Funda mayelana nezinhlobo ezahlukene zamalahle, amazinga omhlaba, nokuthi lezi zici zithinta kanjani izimboni ezahlukahlukene. Sizohlola izici ezibalulekile ze ukupheka amalahle enquma ukufaneleka kwayo kwezinhlelo zokusebenza ezahlukene.
Ukupheka amalahle, owaziwa nangokuthi amalahle e-metallurgical, uwuhlobo oluthile lwamalahle anezici eziyingqayizivele ezibalulekile ekusetshenzisweni kwawo ekukhiqizeni insimbi. Ngokungafani nezinye izinhlobo zamalahle, ukupheka amalahle ibonakala ngokukwazi kwayo ukwenza inqubo ebizwa ngokuthi i-coking, ukwakha isakhiwo se-coke esiqinile futhi esinezimbotshana lapho sishiswa lapho ungekho umoya. Le coke ibalulekile ukuze kwehliswe insimbi ezitsheni eziqhumayo. Izakhiwo ezibalulekile ezinquma ikhwalithi ye ukupheka amalahle zihlanganisa:
I-Volatile matter ibhekisela ezingxenyeni zamalahle ezihwamuka lapho kushiswa. Okuqukethwe kwe-voltage ephansi ngokuvamile kubonisa i-coke enamandla, ebalulekile ekusebenzeni kwesithando somlilo. Indaba ephakeme eguquguqukayo ingaholela esakhiweni se-coke esibuthakathaka futhi inciphise ukusebenza kwe-metallurgical.
Okuqukethwe komlotha kumelela izinto ezimbiwa phansi ezingashi emalahleni. Okuqukethwe komlotha omningi kunciphisa inani lokushisa kwamalahle futhi kungathinta nekhwalithi ye-coke ekhiqizwayo. Okuqukethwe komlotha ophansi kuvame ukukhetha.
Isibabule siwukungcola okuphawulekayo emalahleni, futhi amazinga aphezulu esibabule angaholela ekungcoleni kwemvelo ngesikhathi sokukhiqizwa kwensimbi. Okuqukethwe kwesibabule esiphansi kubalulekile ukuze kuthotshelwe imvelo kanye nokunciphisa ukukhishwa kwekhabhoni. Kukhona ubuchwepheshe obuhlukahlukene kanye nezinqubo zokubhekana ne-high-sulphur ukupheka amalahle, kodwa ukunciphisa isibabule kusukela ekuqaleni kuhle.
Ikhabhoni engaguquki yikhabhoni engaguquki esele ngemuva kokususwa kwento eguquguqukayo. Ikhabhoni engaguquki ephezulu iyathandeka ngokuvamile, njengoba inomthelela ngokuqondile emandleni nasekuzinzeni kwe-coke. Inani lekhabhoni engaguquki lihlobene kakhulu nenani le-calorific kanye nesivuno se-coke samalahle.
Inkomba yekhekhe ikala ikhono lamalahle okwenza inqwaba ehlangene ngesikhathi sokupheka. Kudingeka izinkomba ze-coking ezihlukene ngokusekelwe ezidingweni ezithile zesithando somlilo esiqhumayo kanye nezakhiwo ezifunwayo ze-coke. Inkomba ye-caking enamandla ibonisa ukufaneleka kwamalahle ekukhiqizeni i-coke yekhwalithi ephezulu.
Izinhlangano ezihlukene zamazwe ngamazwe kanye namazwe asungule izindinganiso kanye nemibandela ukupheka amalahle. Lezi zicaciso zichaza ububanzi obamukelekayo bezakhiwo ezibalulwe ngenhla, okuqinisekisa ikhwalithi engaguquki nokusebenza. Lezi zindinganiso zibalulekile ekuhwebeni nasekuqinisekiseni amalahle afanelekile okukhiqizwa kwensimbi. Izibonelo zifaka izindinganiso ezibekwe yi-ISO kanye ne-ASTM International. Ukubambelela kulawa mazinga kubalulekile ekuhwebeni kwamazwe ngamazwe kanye nekhwalithi yomkhiqizo engashintshi.
Imininingwane ye ukupheka amalahle nomthelela ngqo ekusebenzeni kahle kwemboni yensimbi kanye nokusebenza kahle kwezindleko. Izinga le-coke elikhiqizwayo lithonya kakhulu inqubo yonke yokunciphisa insimbi yensimbi kanye nekhwalithi yokugcina yensimbi. Ukukhetha ukupheka amalahle ngokucaciswa okufanele kubalulekile ekuthuthukiseni ukusebenza kwesithando somlilo esiqhumayo kanye nokukhiqiza imikhiqizo yensimbi yezinga eliphezulu.
Ukukhetha ezifanele ukupheka amalahle kudinga ukucatshangelwa ngokucophelela kokucaciswa kwayo kanye nezidingo ezithile zohlelo oluhlosiwe. Izinto ezifana nohlobo lwesithando somlilo esiqhumayo, izakhiwo ze-coke ezifiselekayo, nemithethonqubo yezemvelo konke kunomthelela ekukhetheni ukupheka amalahle. Ukubonisana nochwepheshe be-metallurgical nabahlinzeki kubalulekile ekukhethweni okuphelele.
| Impahla | Amalahle Okupheka Ekhwalithi Ephansi | Amalahle Okupheka Ekhwalithi Ephezulu |
|---|---|---|
| I-Volatile Matter (%) | >30 | <20 |
| Okuqukethwe Umlotha (%) | >15 | <8 |
| Okuqukethwe kwesibabule (%) | >2 | <1 |
| Ikhabhoni Egxilile (%) | <50 | >70 |
| I-Caking Index | Phansi | Phezulu |
Qaphela: Amanani kuthebula ayabonisa futhi angahluka kuye ngohlobo oluthile lwamalahle nomthombo. Ngaso sonke isikhathi bheka imininingwane ethile enikezwe umphakeli.
Ukuze uthole ulwazi olwengeziwe ngekhwalithi ephezulu ye-coke ye-metallurgical kanye nemikhiqizo yamalahle, cabanga ukuhlola I-Inner Mongolia Xinxin Silicon Industry Co.,Ltd. Bangabahlinzeki abahamba phambili embonini.
Umshwana wokuzihlangula: Lolu lwazi lwenzelwe izinjongo zokufundisa kuphela futhi akufanele luthathwe njengeseluleko sochwepheshe. Hlala uthintana nochwepheshe abafanelekile ngezicelo ezithile nezimfuneko.