Ukufakwa Kwamabriquet Okucindezelayo Okuphezulu Kothuli Lwezimboni: Susa Ukulahla Udoti

Uthuli lwezimboni olwenziwa ezimayini, embonini yezinsimbi, ekukhiqizeni usimende nakwezinye izinqubo zokukhiqiza sekuyisikhathi eside lubhekwa njengemfucuza ebangela izindleko nezibopho ezinkampanini. Izindlela zendabuko zokululahla—njengokulufaka ezindaweni zokulahla imfucuza noma ukulugcina luyinqwaba—zihambisana nezindleko ezikhulayo, izibopho zemvelo kanye nokulahleka kwezinto ezingaba nenani. I-high-pressure briquetting inikeza enye indlela esivele isetshenziswe ngempumelelo: esikhundleni sokukhokha ukuze kungcwatshwe uthuli, izimboni zingaguqula izinhlayiya ezincane zibe ama-briquette aqinile, aminyene futhi ahlala isikhathi eside, okulula ukuwaphatha nokuwathutha, futhi avame ukubuyiselwa enqubweni yokukhiqiza ukuze asetshenziswe kabusha. Lesi sihloko sichaza ukuthi i-high-pressure briquetting ingaqeda kanjani isidingo sezindawo zokulahla imfucuza, yehlise izingozi zokusebenza futhi idale inzuzo enhle ekutshalweni kwezimali. I-ZYmining, enguchwepheshe kubuchwepheshe be-briquetting yezimboni, inikeza izixazululo eziklanyelwe ukusiza le nguquko.

Umthwalo Wezemvelo Nezomnotho Wokulahla Uthuli Lwezimboni Ezindaweni Zokulahla Imfucuza

Ukulahla uthuli lwezimboni ezindaweni zokulahla imfucuza akuyona nje indlela yokululahla—kuba yisibopho esiqhubeka sikhula. Imithetho nezinhlelo zokulawulwa kwemvelo emhlabeni wonke ziya ngokuya ziqinisa imingcele yemfucuza ethunyelwa ezindaweni zokulahla, ikakhulukazi uthuli oluncane olungasabalala emoyeni noma olungakhipha izinto ezingcolisayo emhlabathini nasemanzini. Izindawo eziningi manje zikhokhisa imali ephezulu yokwamukela imfucuza, zidinga ukuthi imfucuza iphathwe ngaphambi kokulahlwa, noma zivimbele ngokuphelele izinhlobo ezithile zothuli ukuthi zingafakwa ezindaweni zokulahla. Embonini ephakathi nendawo ekhiqiza izinkulungwane zamathani othuli ngonyaka, izindleko zokululahla zingadlula kalula amakhulu ezinkulungwane zama-dollar ngonyaka, futhi lezi zindleko zivame ukuqhubeka zikhuphuka.

Ukucindezeleka Kwezomthetho Nokukhula Kwezindleko Zokulahla

Izinhlangano ezibhekele ezemvelo ziya ngokuya zibeka uthuli lwezimboni ngaphansi kwesigaba semfucuza eyingozi noma ekhethekile ngenxa yobukhulu bezinhlayiya kanye nokwakheka kwalo kwamakhemikhali okungaba khona. Lesi sigaba sidinga ukuphathwa okukhethekile, imibhalo edingekayo ngesikhathi sokuthuthwa, futhi ezimweni eziningi kudingeka ukwelashwa ngaphandle kwendawo ngaphambi kokululahla. Izinhlawulo zokungahambisani nemithetho zingaba nzima, kanti ukunakwa komphakathi mayelana nokusimama kwezinkampani nakho kungadala ubungozi esithunzini senkampani. Ngasikhathi sinye, indawo etholakalayo ezindaweni zokulahla iya ngokuya incipha, kanti amabanga okuthutha aya ngokuya anda, okwandisa izindleko zokusebenza.

Inani Elifihlekile Kuthuli Oluyimfucuza

Mhlawumbe into enganakwa kakhulu ekulahleni ezindaweni zokulahla ukulahleka kwezinto ezibalulekile. Uthuli oluningi lwezimboni luqukethe izinsimbi, amaminerali noma ikhabhoni engabuyiselwa futhi isetshenziswe. Isibonelo, uthuli oluvela ekukhiqizeni insimbi (i-EAF dust kanye nothuli lwesithando somlilo esikhulu) luqukethe i-iron ne-zinc; uthuli oluvela esithandweni sikasimende luqukethe i-calcium ne-silica; kanti uthuli olusekelwe kukhabhoni lungasetshenziswa njengophethiloli. Uma lezi zinto zithunyelwa endaweni yokulahla, zilahleka unomphela. I-high-pressure briquetting ingabuyisa ingxenye enkulu yaleli nani futhi isize ukunciphisa izindleko zokucubungula.

I-High-Pressure Briquetting Iguqula Kanjani Uthuli Lube Izinto Ezingasetshenziswa

I-high-pressure briquetting isebenzisa amandla emishini—ngokuvamile kusetshenziswa ama-hydraulic press noma ama-mechanical press—ukucindezela izinhlayiya ezincane ezomile noma ezinomswakama omncane zibe yinto eqinile futhi ebumbene ngaphandle kwesidingo se-sintering eshisa kakhulu. Le nqubo inyusa ukuminyana kwento, ikhiqize ama-briquette anamandla anele ukuze aphathwe, athuthwe futhi abuyiselwe ezinqubweni zezimboni ezifana nokuncibilikisa, i-sintering noma ukusabela kwamakhemikhali.

Isayensi Esemuva Kwe-High-Pressure Agglomeration

Indlela eyinhloko yokwakheka kwayo ukubophezela phakathi kwezinhlayiya ngaphansi kwengcindezi enkulu. Lapho izinhlayiya zothuli ziphoqelelwa ukuba zihlangane ngaphakathi kwe-die cavity evalekile (i-roller mold yomshini we-briquetting), ibanga phakathi kwezinhlayiya liyancipha kuze kusebenze amandla e-van der Waals, ukubambana kwemishini, futhi kwezinye izimo ukuncibilika kwendawo noma ukubophezela kwamakhemikhali. Ama-binder angafakwa ngamanani amancane (ngokuvamile 1–5%) ukuze kuthuthukiswe ukubophezela, kodwa uthuli oluningi lungaguqulwa lube ama-briquette ngaphandle kwama-binder ngenxa yokuguquguquka kwalo kwemvelo noma izindawo zalo ezisebenzayo. Umphumela uba yi-briquette enobuningi obuphindwe izikhathi ezi-2–5 kunothuli lwasekuqaleni, okunciphisa kakhulu umthamo futhi kwenze le nto ibe lula ukuhanjiswa nokugcinwa iyinqwaba.

Izinhlobo Zothuli Ezifanele I-Briquetting

I-high-pressure briquetting isetshenziswe ngempumelelo ezinhlotsheni eziningi zothuli lwezimboni, okuhlanganisa: uthuli lwezimboni zensimbi (EAF, BOF, blast furnace), ama-fines e-aluminium dross, uthuli lwesithando sikasimende, uthuli lwe-lime, i-carbon black, ama-coal fines, i-coke breeze, ama-iron ore fines, uthuli lwe-manganese, uthuli lwe-ferroalloy, uthuli lwe-foundry, nokunye okuningi. Lobu buchwepheshe busebenza kahle kakhulu ezintweni ezinobukhulu bezinhlayiya obungaphansi kuka-1 mm kanye nomswakama ongaphansi kuka-5–10% (kuya ngento esetshenziswayo). Ilabhorethri yokuhlola ye-ZYmining ingahlola amasampula athile othuli ukuze inqume ukuthi i-briquetting iyenzeka yini futhi ilungiselele kahle amapharamitha enqubo.

Izinzuzo Eziyinhloko Uma Kuqhathaniswa Nezindlela Zendabuko Zokuphatha Uthuli

Ukuze kuboniswe izinzuzo ezibalulekile, ukuqhathanisa okulandelayo kugqamisa umehluko omkhulu phakathi kokulahla uthuli ezindaweni zokulahla kanye ne-high-pressure briquetting ekuphathweni kothuli lwezimboni.

• Izindleko: Ukulahla ezindaweni zokulahla kuholela ezindlekweni eziqhubekayo zokwamukela imfucuza, izindleko zokuthutha kanye nezinhlawulo zemvelo ezingaba khona. I-briquetting idinga ukutshalwa kwezimali ekuqaleni, kodwa ngokuvamile ingabuyisa utshalomali ngaphansi kweminyaka emi-2 ngenxa yokwehla kwezindleko zokulahla kanye nenani lezinto ezibuyiselwayo.
• Ukunciphisa umthamo: Ukulahla ezindaweni zokulahla kugcina uthuli lusesimweni salo esixegayo nesinobuningi obuphansi, okudinga indawo enkulu yokulahla. I-briquetting inciphisa umthamo ngo-50–80%, kuya ngento esetshenziswayo, okwenza kube nokugcinwa okuhlangene kanye nezindleko zokuthutha eziphansi.
• Ukubuyiselwa kwezinto: Uthuli olufakwa endaweni yokulahla lulahleka unomphela. Ama-briquette angabuyiselwa ezithandweni, kuma-kiln noma kwezinye izinqubo ukuze kubuyiselwe izinsimbi, amaminerali noma amandla kaphethiloli.
• Ukuhambisana nemithetho yemvelo: Izindawo zokulahla zikhiqiza i-leachate, ukukhishwa kothuli kanye nezibopho zemvelo zesikhathi eside. I-briquetting ikhiqiza into ezinzile engakhiphi uthuli kalula, ehambisana nemithetho yemvelo futhi esekela imigomo ye-circular economy.
• Ukuphatha nokuphepha: Uthuli oluxegayo lungadala ubungozi bokuqhuma, izingozi zokuphefumula kanye nezinkinga zokuchitheka ngesikhathi sokuluphatha. Ama-briquette aphephile, kulula ukuwahambisa futhi angagcinwa ngaphandle ngaphandle kokulahleka ngenxa yomoya.

Lezi zinzuzo zenza i-high-pressure briquetting ibe yinguquko ebalulekile, eshintsha uthuli lusuke ekubeni yisikhungo sezindleko (indawo yokulahla) lube yisikhungo senani (ama-briquette abalulekile).

Izixazululo Ze-High-Pressure Briquetting Ze-ZYmining Zezicelo Zezimboni

I-ZYmining ibineminyaka engaphezu kweyishumi iklama futhi ikhiqiza amasistimu e-high-pressure briquetting, isebenzela izimboni ezisukela ensimbini kuya kusimende nasemikhiqizweni yamakhemikhali. Indlela yenkampani ihlanganisa ukwakheka kwemishini okuqinile nolwazi lwezinqubo ukuze kuqinisekiswe ukusebenza okuthembekile nokuqhubekayo ngaphansi kwezimo ezinzima zezimboni.

Amasistimu Enziwe Ngokwezidingo Zokugeleza Kothuli Oluningi

I-ZYmining inikeza izinhlobo ezahlukene zama-briquetting press anamandla okukhiqiza kusukela ku-1 ton ngehora kuya ngaphezu kwama-50 tons ngehora. Isistimu ngayinye yenziwa ngokwezici ezithile zothuli, okuhlanganisa ukusatshalaliswa kobukhulu bezinhlayiya, umswakama, izinga lokushisa kanye nokwakheka kwamakhemikhali. Ukucushwa kungafaka ama-pre-conditioning mixer, amasistimu wokulinganisa i-binder, ama-material feeder kanye nama-screen ngemva kwe-briquetting ukuze kuphathwe izinhlayiya ezincane ezibuyayo. Zonke izingxenye zemishini zisebenzisa izinto ezimelana nokuguga ukuze kwandiswe impilo yazo yokusebenza.

Ukuthembeka Okufakazelwe Nokwesekwa Ngemva Kokuthengisa

Amakhasimende e-ZYmining abika amandla e-briquette angama-80–120 kg/cm² (kuya ngento esetshenziswayo), okwenza kube lula ukuphatha nokuthutha. Ama-press afaka i-automatic hydraulic pressure compensation ukuze kugcinwe ukuminyana okungaguquki kwama-briquette. I-ZYmining ihlinzeka ngokufakwa nokuvuselelwa kwemishini endaweni yekhasimende, ukuqeqeshwa kwabasebenzisi kanye nenethiwekhi yomhlaba wonke yezingxenye ezishintshwayo. Le nkampani iphinde inikeze insizakalo yokuhlola ukuthi le nqubo iyasebenza yini: amakhasimende angathumela amasampula othuli ukuze kwenziwe izivivinyo ze-briquetting futhi kuqinisekiswe ukusebenza ngaphambi kokutshala imali.

Kuzindawo ezisasebenzisa izindawo zokulahla uthuli, isinqumo sokushintshela ku-high-pressure briquetting singasekelwa imodeli yezezimali ecacile. Ithimba lobunjiniyela le-ZYmining lingasiza ukubala isikhathi sokubuyiswa kotshalomali ngokusekelwe enanini langempela lothuli olukhiqizwayo, ezindlekweni zendawo zokulahla kanye nemali engenayo engaba khona ekubuyiseni izinto.

Isiphetho

I-high-pressure briquetting inikeza impendulo esebenzayo enkingeni yakudala yokulahla uthuli lwezimboni. Ngokuguqula umfudlana wemfucuza obizayo ube yinto engaphathwa, ithuthwe futhi ezimweni eziningi iphinde isetshenziswe, izinkampani zinganciphisa ukuthembela ezindaweni zokulahla, zehlise ubungozi bemvelo futhi zithuthukise imiphumela yazo yezezimali. Lobu buchwepheshe sebuvuthiwe, imishini ithembekile, futhi inzuzo yezomnotho isivele ibonisiwe ezimbonini eziningi. I-ZYmining ikulungele ukweseka le nguquko ngamasistimu e-briquetting aklanyelwe izici zothuli kanye nezinhloso zokukhiqiza zesitshalo ngasinye. Kubathathi bezinqumo abafuna ukuqeda ukuthembela ezindaweni zokulahla futhi baguqule uthuli lube yimpahla enenani, i-high-pressure briquetting iyindlela eqondile yokufeza lo mgomo.