Ikhaya > uhlu lokubonisa
abakhiqizi nabaphakeli bomshini wokugaya omuhle kakhulu khiqiza imishini yokugaya izinto ezifika ku-sub-micron range. Lawa madivayisi enzelwe ukucubungula izinto ezithambile neziqinile kakhulu, okuhlanganisa ipulasitiki nerabha kanye ne-ceramic nengilazi. Anikeza indlela yokugaya ephumelela kakhulu futhi ehlala isikhathi eside, yingakho evame ukusetshenziswa ezindaweni zezimboni. Zombili izinjini zikagesi kanye nama-hydraulic angasetshenziswa ukusebenzisa imishini yokugaya. Athandwa kakhulu ngenxa yokuzivumelanisa nezimo kwawo.
Izindlela zokukhiqiza ezintsha zikhonjisiwe ukuthi zandisa isikhathi eside sokuphila i-ultra fine grinding millNgosizo lwalobu buchwepheshe, abakhiqizi bangase bandise isikhathi sokuphila komkhiqizo, banciphise ukusetshenziswa kwemidiya, futhi bafinyelele ukusatshalaliswa kosayizi wezinhlayiya okuhambisanayo. Ngaphezu kwalokho, kusiza ekukhuliseni ukusebenza kahle kwenqubo yokukhiqiza.
Ukusebenza ngesivinini esikhulu kuyisici semishini yokugaya ecolekile evumela ukusatshalaliswa kosayizi wezinhlayiya ezincane nezihambisanayo. Zakhelwe futhi ukuthi zihlale isikhathi eside futhi azidingi ukunakekelwa okuningi. Zinezinhlelo zokusebenza eziningi futhi zenzelwe ukugaya izinto ezifika kuma-micron angu-44. Kunezinhlobo eziningana zale mishini.
Isibonelo, i-Universal Mill iza ngobukhulu obuyisikhombisa bokukhiqiza. Ingumshini ofanele kakhulu izinhlelo eziningi zokugaya izinto ezithambile neziphakathi nendawo ngoba inezinketho zelebhu, ukukhulisa, kanye nokugaya okune-cryogenic.
Izinduku ezijikelezayo emshinini wokugaya osheshayo zisetshenziselwa ukulawula usayizi wezinhlayiya. Izikrini kanye nezigaba zisetshenziswa ukulawula usayizi wezinhlayiya. Zinikeza indlela ethembekile yokulawula ubuncane bomkhiqizo oqediwe futhi zingafakwa cishe kunoma yimuphi umugqa wokucubungula.
Uhlelo olunezijikelezi ezimbili olunezijikelezi eziphikisanayo lusetshenziswa emisebenzini yokugaya kahle. Lawa madivayisi anesivinini esisheshayo esivumela ukugaya kahle. Izinhlayiya ngazinye zishaywa yizinsika ze-rotor, ezibe sezibuyela emuva ziqonde ngqo.
Izigayo zokugaya izikheji kanye nezigayo zokugaya izikhonkwane ziyizinhlobo ezengeziwe zezigayo zokugaya ezisheshayo. Zombili lezi mishini zinamagobolondo ajikelezayo kanye nama-rotor ajikelezayo, futhi zingaba namakholomu okuphakamisa akhelwe ngaphakathi.
Ukuhlukaniswa kwamaminerali kudinga ukusetshenziswa kokugaya okucolekile kakhulu. Kungasetshenziswa ukuncibilikisa ama-sulfide matrices, okuthuthukisa ukucutshungulwa kwamaminerali. Le nqubo ingakhipha nezinsimbi eziyigugu ezivaleleke kuma-silicates.
Isenzo sokushiswa kwamakhemikhali sithuthukisa ukusebenza kahle kokugaya okuhle kakhulu. Ngenxa yalokho, i-sulfide matrix ihlaselwa kakhulu. Le ndlela ingasetshenziswa futhi ukusheshisa ukushiswa kwama-ore angenakuphikiswa.
Isihlukanisi sempuphu singafakwa ezigayweni zokugaya ezicolekile kakhulu ukuze kwandiswe ukuqina kwazo. Lokhu kuthuthukisa ukuzinza futhi kunciphise ukukhula kothuli. Ukuphila isikhathi eside kwemishini kuthuthukiswa futhi ngokusetshenziswa kwensimbi ekhethekile engagugi ohlakeni lomshini.
Imikhakha eminingi ikhonzwa abakhiqizi kanye nabaphakeli be- umshini wokugaya i-powder omuhle kakhulus kububanzi be-micron. Izimboni zemithi, izimonyo, amakhemikhali, kanye namaminerali ziyizibonelo ezimbalwa. Izinto zobumba, izinto zokubhula, ukolweni, amakhemikhali, ama-polymer, imibala, kanye namaminerali kumane nje kunezinto ezimbalwa ezingagaywa kusetshenziswa la madivayisi.
Lezi zigayo zakha izinhlayiya ezinobubanzi obusukela ku-micron eyodwa kuya ku-10 microns. Uhlobo lwemidiya eziyisebenzisayo kanye nosayizi wezinto eziphakelwayo kunquma ububanzi bezinto ezingagaywa. Ngaphezu kwalokho, i-viscosity yomkhiqizo, ethinta izimfanelo ze-rheological zomkhiqizo wokugcina, ingathinteka ngobukhulu bezinhlayiya.
Noma iyiphi i-powder ingagaywa ngale mishini. Ine-stirrer enesivinini esiguquguqukayo esingasethwa ku-fineness yezinhlayiya ezifanele. Nokho, ezinye izinhlayiya zidinga ukushayisana kwamandla aphezulu. Ngaphezu kwalokho, ezinye izinhlayiya zinganamathela kakhulu ukuthi zingagaywa ngokwanele. Kubalulekile ukukhetha uhlobo lomshini olufanele izidingo zakho.
Izinto zokugaya ezimanzi nezomile zingahlukaniswa ngezigaba ezimbili. Okokuqala, kunezinhlobo zokukhiqiza. Imodeli yelebhu ingeyesibili. Zombili izinhlobo zenzelwe ukusetshenziswa ezindleleni ze-batch noma eziqhubekayo. Lawa mayunithi eza ngensimbi noma nge-ceramic kuye ngokuthi kusetshenziswe ini.
Kokubili ukugaya okumanzi nokuwomile, umshini wokugaya weMicron-Master(r) wenzelwe. Kufika ku-minus 325 mesh, ungasusa izinhlayiya ezincane njenge-micron eyodwa. Le divayisi ingagaya amaminerali afana ne-silica, i-cerium oxide, i-wollastonite, amakristalu ekristalu, nezinye izinto ezigoqekayo.
I-PULVIS iyindlela yezinto eziqinile ezinikeza amandla aphezulu kanye nokungcola okuncane. Umshini wokugaya omile oqondile we-agitator bead ungadala izinhlayiya ezincane njenge-micron. Lo mshini une-dynamic classifier eyakhelwe ngaphakathi njengesici esiyingqayizivele. Ngenxa yalokho, ukunciphisa usayizi wezinhlayiya kungenziwa ngokushesha.
Uchungechunge lwezigayo eziguquguqukayo kakhulu emakethe yi-SWECO Vibro-Energy Grinding Mills. Zinganciphisa ubukhulu bezinhlayiya ezincane njenge-300 microns futhi zibe nezingxenye ezimbalwa ezihambayo. Futhi zinesilinganiso sokufaka esiphezulu kakhulu sokukhipha amandla uma kuqhathaniswa ne-horsepower.
Kunezixazululo ezahlukahlukene ezitholakalayo uma ufuna imidiya ye-ceramic esezingeni eliphezulu umshini wokugaya omuhle kakhuluUma ulinganisa izindleko zemidiya nomphumela wokugcina, inqubo yokukhetha kumele icatshangelwe ngokucophelela. Ukuze uthole iseluleko, kungcono ukukhuluma nonjiniyela ochwepheshe.
Amasathelayithi e-Zirconium oxide, ama-zircon beads, kanye nama-zirconium oxide beads angu-93% ayizibonelo zamathuba emidiya ye-ceramic. Amabhola enziwe nge-zirconium oxide aqinile futhi ahlala isikhathi eside. Afika ngobukhulu besilinda obungu-3/8" kanye no-1/2"
Izitsha zobumba zobunjiniyela ezenziwe nge-zirconia ziyatholakala ngezici ezahlukahlukene, okuhlanganisa ukumelana namakhemikhali, ubulukhuni, kanye nokuqina kokuqhekeka. Zilungele ukuma okubushelelezi okuyindilinga okudingekayo ukuze kudluliselwe amandla okuhle kakhulu ngenxa yokuyindilinga nobukhulu bazo.
Umnotho wokucubungula amaminerali nawo uthuthukile ngenxa yokuthi usetshenziswa njenge-ceramic milling medium. Ukusebenza kahle kwayo yonke inqubo kuyanda ngokusebenzisa lezi zindlela.
Ukudalwa kwesigaba esisha semidiya yokugaya kuyintuthuko yezobuchwepheshe muva nje emkhakheni wezimayini. Lezi zinto zihlolwe ku-M4 IsaMill evela ku-Xstrata Technology. Kwatholakala ukuthi zisezingeni elingcono futhi azikwazi ukuphuka kunendlela yokugaya yendabuko.
Izinhlobo ezintathu ezahlukene zemidiya yobumba zafakwa ezivivinyweni eziningana. Ubukhulu bazo kanye nobuningi bazo kwahlolwa ngaphezu kwezici zazo zomzimba nezomshini. Imidiya encane kunazo zonke (Uhlobo A - 2 mm) yayinesilinganiso sokunciphisa esiphezulu, ngokusho kwemiphumela.
Izinhlobo ezintathu zemidiya ezahlukahlukene zafika ngezindlela ezahlukene, ubuningi, kanye nobukhulu. I-Mineral Liberation Analyzer nayo yasetshenziswa ukuhlola lezi zici. Lokhu kwakuyithuluzi eliwusizo lokunquma ukuthi amaminerali kumidiya ngayinye akhululiwe kahle kangakanani.
Umkhakha wezamaminerali uncike kakhulu ekugayeni kahle kakhulu. Nokho, ubukhulu kanye nekhwalithi yomkhiqizo wokugcina kuyizinto ezibalulekile ekukhetheni i-media yokugaya engcono kakhulu. Isibonelo, ukukhetha i-media eqinile ngangokunokwenzeka kubalulekile uma izinto ezigayiwe zilungile kakhulu.
Umbala womkhiqizo oqediwe ungenye into okufanele uyicabangele. Ngemikhiqizo evuthayo, kubalulekile ukukhetha indawo engashisi. Isihlukanisi sikamazibuthe singasetshenziswa ukususa noma iyiphi into ku-slurry ukuvimbela lokhu.
Kunezinhlelo zokusebenza eziningana ze- umshini wokugaya omanzi wempuphu ecolekile kakhuluZikhiqiza isivuno esihle kakhulu kanye nokuvuleka kwamanzi futhi ziyindlela ewusizo yomshini yokukhiqiza izinto ezincane ezifiselekayo. Ziyathengeka futhi ziyasebenza.
Ukujikeleza ngesivinini esikhulu kusetshenziswa kule ndlela ukudala ukungqubuzana kanye nokusika umthelela. Imidiya ayikwazi ukubuyela emuva embhedeni wezinto ngenxa yamandla alandelayo e-centrifugal. Izinto eziphansi zokuncibilika zingasetshenziswa ngoba izinto azishisi kakhulu kulo lonke inqubo. Isebenzisa u-2% wamandla atholakalayo.
Usayizi wezinhlayiya ofanele kumele ukhethwe ukuze kuthuthukiswe ukusebenza kahle kwamandla kwenqubo. Usayizi ofanele ngokuvamile uzoncika ezintweni eziphakelwayo, izinga lokucwebezela komkhiqizo wokugcina, kanye nohlobo lomshini osetshenziswayo.
Kunconywa ukuthi okuqukethwe kwezinto eziqinile zokuqala kungabi ngaphezu kuka-50%, isibonelo, uma usayizi wezinhlayiya wokugcina ungama-micron ayi-10. Kungcono ukukhetha i-grinding media encane uma ubuncane bokugcina bungaphansi kuka-1 mm. Kodwa-ke, kubalulekile ukukhetha i-media yakho ngokucophelela.
Inqubo evamile yokugaya ibhola ishintshiwe ukuze kukhiqizwe ukusebenza kahle okukhulu kokugaya ukuze kuncishiswe izindleko zokwenza izinto ezincane. Uthuli oluncane, ukucindezeleka okwengeziwe, kanye nezimo zokusebenza ezithuthukisiwe ngezinye zezinguquko.
I-Deswik TM Mill ikwazile ukunciphisa usayizi wokudla ngenxa yalezi zinguquko kusukela ku-89 um kuya ku-20 um ngenkathi ikhulisa ukusetshenziswa kwamandla kusuka ku-16 kWh/t kuya ku-10 kWh/t. Le miphumela ikhombisa umthelela omuhle wobuchwepheshe bokugaya obuncane kakhulu ekubuyiselweni kwe-zinc.
I-IsaMill nayo igcina ugesi kahle futhi inokusabalalisa okulinganiselwe kosayizi wezinhlayiya. Ukusetshenziswa kobuchwepheshe yi-Anglo Platinum kubonise ukuthi lokhu kunjalo. Imiphumela yabo yokuhlolwa iveze ukusetshenziswa okuncane kwemidiya kanye nomonakalo wendwangu yesigayo kunalokho obekulindelwe.
Ukugaya okucolekile kakhulu kunamandla okulondoloza izinto zokusetshenziswa kanye nama-reagent alandelayo uma kuqhathaniswa nezindlela zokugaya zendabuko. Ngaphezu kwalokho, kunamandla okulawula izinga lamagciwane kanye nothuli. Inqubo ingaqedwa ngemizuzu embalwa.
I-Tencan inesikhungo sokukhiqiza esihlanganisa amamitha-skwele angu-20,000 kanye nesikhungo se-R&D esihlanganisa abantu abangu-2,000. I-Tencan inezinhlobo ezingaphezu kuka-400 zezingxenye ezisele kanye nezinye izesekeli. I-Tencan izokwanelisa wonke amakhasimende ngokugcwele. I-Tencan ibambisene nodokotela abangu-20 abavela emanyuvesi amahlanu adumile futhi ithole amalungelo obunikazi angaphezu kuka-30.
Inhloso eyinhloko yenkampani ukukhiqiza imishini yempuphu kanye nobuchwepheshe bempuphu. Imikhiqizo yethu eyinhloko okwamanje ifaka zonke izinhlobo zemishini yokugaya nokugaya amabhola eplanethi elebhu, imishini yokuhlola, yokuxuba nokuxuba, kanye neminye imishini yelebhu efana namabhokisi amagilavu neminye imishini yocwaningo lwesayensi efana umshini wokugaya i-powder e-ultrafine.
Le nkampani inikezwe uhlelo lokuphatha ikhwalithi lwe-ISO9001, izitifiketi ze-CE kanye ne-SGS kanye namalungelo obunikazi angaphezu kwama-40 kubuchwepheshe obuyinhloko obunamalungelo ahlukile obuhlakani. Yabizwa ngokuthi "ibhizinisi lobuchwepheshe obuphezulu esifundazweni saseHunan"
Amakhasimende amakhulu amanyuvesi, izikhungo zocwaningo, kanye namabhizinisi asekelwe kwezobuchwepheshe. Sinamakhasimende angaphezu kuka-20,000 emazweni angu-60, futhi sithumele kwamanye amazwe angaphezu kuka-60.
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