I-Kaolin inezindawo eziningi zokugcina amanzi ezweni lakithi, kanti izindawo zokugcina amanzi eziqinisekisiwe zingamathani ayizigidi eziyizinkulungwane ezintathu, ezisatshalaliswa kakhulu eGuangdong, eGuangxi, eJiangxi, eFujian, eJiangsu nakwezinye izindawo. Ngenxa yezizathu ezahlukene zokwakheka kwe-geological, ukwakheka kanye nesakhiwo se-kaolin ezivela ezindaweni ezahlukene zokukhiqiza nakho kuhlukile. I-Kaolin iyi-silicate enezingqimba zohlobo lwe-1:1, eyakhiwa yi-octahedron kanye ne-tetrahedron. Izingxenye zayo eziyinhloko yi-SiO2 kanye ne-Al203. Iphinde iqukethe inani elincane le-Fe203, Ti02, MgO, CaO, K2O kanye ne-Na2O, njll. I-Kaolin inezakhiwo eziningi ezinhle kakhulu zomzimba nezamakhemikhali kanye nezici zenqubo, ngakho-ke isetshenziswa kabanzi kumakhemikhali kaphethroli, ukwenza amaphepha, izinto ezisebenzayo, ukumbozwa, izinto zobumba, izinto ezingangeni manzi, njll. Ngokuthuthuka kwesayensi nobuchwepheshe besimanje, ukusetshenziswa okusha kwe-kaolin kukhula njalo, futhi kuqala ukungena emasimini aphezulu, aqondile futhi asezingeni eliphezulu. I-ore ye-Kaolin iqukethe inani elincane (ngokuvamile u-0.5% kuya ku-3%) lamaminerali ensimbi (ama-iron oxides, i-ilmenite, i-siderite, i-pyrite, i-mica, i-tourmaline, njll.), afaka umbala ku-kaolin futhi athinte ukusha kwayo. Ubumhlophe kanye nezinye izakhiwo zikhawulela ukusetshenziswa kwe-kaolin. Ngakho-ke, ukuhlaziywa kokwakheka kwe-kaolin kanye nocwaningo ngobuchwepheshe bayo bokususa ukungcola kubaluleke kakhulu. Lokhu kungcola okunemibala ngokuvamile kunezakhiwo ezibuthakathaka ze-magnetic futhi kungasuswa ngokuhlukaniswa kwe-magnetic. Ukuhlukaniswa kwe-magnetic kuyindlela yokuhlukanisa izinhlayiya zamaminerali ensimini yamagnetic ngokusebenzisa umehluko we-magnetic wamaminerali. Kumaminerali anamandla kakhulu, kudingeka insimu yamagnetic enamandla kakhulu ukuze kuhlukaniswe i-magnetic.
Isakhiwo kanye nesimiso sokusebenza se-HTDZ high gradient slurry magnetic separator
1.1 Isakhiwo sesihlukanisi sikagesi esinobukhulu obuphezulu se-magnetic slurry
Umshini wakhiwe kakhulu ngohlaka, ikhoyili yokuvuselela epholile ngamafutha, uhlelo lwe-magnetic, i-separation medium, uhlelo lokupholisa ikhoyili, uhlelo lokuhlanza, uhlelo lokungena nokukhipha i-ore, uhlelo lokulawula, njll.
Umfanekiso 1 Umdwebo wesakhiwo sesihlukanisi sikagesi esinomugqa ophezulu we-slurry kagesi
1- Ikhoyili yokuvuselela 2- Uhlelo lwe-Magnetic 3- Ukuhlukanisa okuphakathi 4- I-valve yomoya 5- Ipayipi lokukhipha i-pulp
I-Escalator engu-6 Ipayipi lokungena elingu-7 Ipayipi lokukhipha i-slag engu-8
1.2 Izici zobuchwepheshe ze-HTDZ electromagnetic slurry high gradient magnetic separator
◎Ubuchwepheshe bokupholisa uwoyela: Uwoyela wokupholisa ovalwe ngokuphelele usetshenziselwa ukupholisa, ukushintshaniswa kokushisa kwenziwa kusetshenziswa isimiso sokushintshaniswa kokushisa phakathi kwamafutha namanzi, futhi kusetshenziswa iphampu kawoyela we-transformer yediski enkulu. Uwoyela wokupholisa unesivinini sokujikeleza okusheshayo, amandla okushintshaniswa kokushisa aqinile, ukuphakama kwezinga lokushisa eliphansi, kanye namandla amakhulu e-magnetic field.
◎Ukulungiswa kwamanje kanye nobuchwepheshe bokuzinzisa bamanje: Nge-module yokulungisa, kutholakala umphumela wamanje ozinzile, futhi ugesi wokuvuselela ulungiswa ngokwezici zezinto ezahlukene ukuqinisekisa amandla aqinile ensimu yamagnetic futhi kutholakale inkomba yokuzuza engcono kakhulu.
◎Ubuchwepheshe obukhulu bokugqama obusebenza kahle obunezivalo ezinkulu: Sebenzisa i-iron armour ukusonga i-hollow coil, ukuklama isakhiwo sesekethe se-magnetic magnetic esifanelekile, ukunciphisa ukugcwala kwe-iron armour, ukunciphisa ukuvuza kwe-magnetic flux, nokwakha amandla aphezulu ensimu emgodini wokuhlunga.
◎Ubuchwepheshe bokuhlukanisa igesi eqinile-ewuketshezi enezigaba ezintathu: Izinto ezisegumbini lokuhlukanisa zifakwa ekubhodweni, amandla adonsela phansi, kanye namandla kazibuthe ukuze kufezwe umphumela ofanele wokuzuza ngaphansi kwezimo ezifanele. Ukuhlanganiswa kokukhipha amanzi kanye nomfutho womoya ophezulu kwenza kube yindawo yokuhlanza ephakathi nendawo.
◎Ubuchwepheshe obusha obunezipikili be-magnetic conductive kanye nezinto ezisebenza nge-magnetic ezingenasici: indawo yokuhlunga isebenzisa uboya bensimbi, i-mesh yemidiya ebunjwe ngedayimane, noma inhlanganisela yoboya bensimbi kanye ne-mesh yemidiya ebunjwe ngedayimane. Le ndlela ihlanganisa izici zemishini, kanye nocwaningo kanye nentuthuko yensimbi engagqwali engagugi, i-gradient yokungeniswa kwamandla kazibuthe inkulu, kulula ukubamba amaminerali kazibuthe abuthakathaka, i-remanence incane, futhi indawo kulula ukuyigeza lapho i-ore ikhishwa.
1.3 Ukuhlaziywa kwesimiso semishini kanye nokuhlaziywa kokusatshalaliswa kwensimu yamagnetic
1.3.1Umgomo wokuhlunga uthi: Ku-armored coil, kufakwa inani elithile loboya bensimbi engagqwali obuqhuba amandla kazibuthe (noma insimbi enwetshiwe). Ngemva kokuba ikhoyili isivukile, uboya bensimbi engagqwali obuqhuba amandla kazibuthe bufakwa amandla kazibuthe, bese kukhiqizwa insimu kazibuthe engalingani kakhulu ebusweni, okungukuthi insimu kazibuthe ene-gradient ephezulu, lapho izinto ze-paramagnetic zidlula eboyeni bensimbi ethangini lokuhlunga, zizothola amandla kazibuthe alingana nomkhiqizo wensimu kazibuthe esetshenzisiwe kanye ne-gradient yensimu kazibuthe, futhi zizonamathela ebusweni boboya bensimbi, esikhundleni sezinto ezingezona amandla kazibuthe ezidlula insimu kazibuthe ngqo. Zigeleza ethangini lomkhiqizo ongeyona amandla kazibuthe nge-valve nepayipi elingeyona amandla kazibuthe. Lapho izinto ezibuthakathaka zamandla kazibuthe eziqoqwe uboya bensimbi zifinyelela ezingeni elithile (elinqunywa yizidingo zenqubo), yeka ukondla i-ore. Nqamula ukunikezwa kwamandla okuvuselela bese uhlanza izinto zamandla kazibuthe. Izinto zamandla kazibuthe zigeleza ethangini lomkhiqizo wamandla kazibuthe nge-valve nepayipi lamandla kazibuthe. Bese wenza umsebenzi wesibili wasekhaya, bese uphinda lo mjikelezo.
1.3.2Ukuhlaziywa kokusatshalaliswa kwensimu yamagnetic: Sebenzisa isofthiwe ye-finite element ethuthukisiwe ukuze ulingise ngokushesha imephu yamafu okusatshalaliswa kwensimu yamagnetic, unciphise umjikelezo wokuklama nokuhlaziya; yamukela umklamo olungiselelwe ukunciphisa ukusetshenziswa kwamandla kwemishini nokunciphisa izindleko zomsebenzisi; thola izinkinga ezingaba khona ngaphambi kokukhiqizwa komkhiqizo, Khulisa ukuthembeka kwemikhiqizo namaphrojekthi; ulingise izinhlelo ezahlukene zokuhlola, unciphise isikhathi sokuhlola nezindleko;
Izici zokunyakaza kwamaminerali
2.1 Ukuhlaziywa kokunyakaza kwezinto
Isihlukanisi sikagesi se-HTDZ esine-gradient ephezulu sifanelekile ekuphekeni okuphansi lapho kuhlelwa i-kaolin. Imishini isebenzisa uboya bensimbi engagqwali obunezingqimba eziningi (noma insimbi enwetshiwe) njengendawo yokuhlunga, ukuze umzila wezinhlayiya ze-ore ungajwayelekile eziqondisweni eziqondile nezivundlile. Ukunyakaza kwejika kwezinhlayiya zamaminerali kuboniswe kuMfanekiso 1. Ngakho-ke, ukwandisa isikhathi sokusebenza kanye nebanga lamaminerali endaweni yokuhlukanisa kuyasiza ekufakweni okugcwele kwamamagnethi abuthakathaka. Ngaphezu kwalokho, izinga lokugeleza kwe-slurry, amandla adonsela phansi kanye nokuntanta ngesikhathi senqubo yokuhlukanisa kuyasebenzisana. Umphumela ukugcina izinhlayiya ze-ore zisesimweni esixegayo ngaso sonke isikhathi, ukunciphisa ukunamathelana phakathi kwezinhlayiya ze-ore, nokuthuthukisa ukusebenza kahle kokususwa kwensimbi. Thola umphumela omuhle wokuhlunga.
Umfanekiso 4 Umdwebo weskimu wokunyakaza kwamaminerali
1. Inethiwekhi yemidiya 2. Izinhlayiya ezisebenzisa amandla kazibuthe 3. Izinhlayiya ezingezona amandla kazibuthe.
2. Uhlobo lwe-ore eluhlaza kanye nenqubo eyisisekelo yokuzuza
2.1 Izakhiwo zezinto ezithile zamaminerali ze-kaolin eGuangdong:
Amaminerali e-gangue e-kaolin endaweni ethile eGuangdong afaka i-quartz, i-muscovite, i-biotite kanye ne-feldspar, kanye nenani elincane le-red kanye ne-limonite. I-Quartz icetshiswe kakhulu ngobukhulu bezinhlamvu ze-+0.057mm, okuqukethwe kwamaminerali e-mica kanye ne-feldspar kucetshiswe ngobukhulu bezinhlamvu eziphakathi (0.02-0.6mm), kanti okuqukethwe kwe-kaolinite kanye nenani elincane lamaminerali amnyama kuyanda kancane kancane njengoba ubukhulu bezinhlamvu buncipha. , I-Kaolinite iqala ukucetshiswe ku--0.057mm, futhi ngokusobala icetshiswe ku--0.020mm.
Ithebula 1 Imiphumela yokuhlaziywa kwezinto eziningi ze-kaolin ore%
2.2 Izimo eziyinhloko zokuzuza ezisebenza ekuhlolweni kokuhlolwa kwesampula encane
Izici eziyinhloko ezithinta inqubo yokuhlukaniswa kwamagnetic ye-HTDZ high gradient slurry magnetic separator yizinga lokugeleza kwe-slurry, amandla ensimu yamagnetic yangemuva, njll. Izimo ezimbili eziyinhloko ezilandelayo ziyahlolwa kulolu cwaningo lokuhlola.
2.2.1 Izinga lokugeleza kodaka: Uma izinga lokugeleza likhulu, isivuno sokugxila siphezulu, futhi okuqukethwe yinsimbi nakho kuphezulu; uma izinga lokugeleza liphansi, okuqukethwe yinsimbi yokugxila kuphansi, futhi isivuno sayo siphansi. Idatha yokuhlola iboniswe kuThebula 2
Ithebula 2 Imiphumela yokuhlola yesilinganiso sokugeleza kwe-slurry
Qaphela: Ukuhlolwa kwezinga lokugeleza kwe-slurry kwenziwa ngaphansi kwezimo zensimu yamagnetic yangemuva engu-1.25T kanye nomthamo wokusabalalisa ongu-0.25%.
Umfanekiso 5 Ukuxhumana phakathi kwesilinganiso sokugeleza kanye ne-Fe2O3
Umfanekiso 6 Ukuxhumana phakathi kwejubane lokugeleza kanye nomhlophe owomile.
Uma sibheka izindleko zokuzuza ngokugcwele, izinga lokugeleza kwe-slurry kufanele lilawulwe ku-12mm/s.
2.2.2 Insimu yamagnetic yangemuva: Ukuqina kwensimu yamagnetic yangemuva yesihlukanisi sikagesi esithambile kuhambisana nomthetho wenkomba yokususwa kwensimbi yokuhlukaniswa kukagesi ka-kaolin, okungukuthi, lapho ukuqina kwensimu yamagnetic kuphezulu, isivuno sokugxila kanye nokuqukethwe kwensimbi kwesihlukanisi sikagesi kuphansi, futhi izinga lokususwa kwensimbi liphansi kakhulu. Umphumela omuhle nophezulu wokususa insimbi.
Ithebula 3 Imiphumela yokuhlola yensimu yamagnetic yangemuva
Qaphela: Ukuhlolwa kwensimu yamagnetic yangemuva kwenziwa ngaphansi kwezimo zesilinganiso sokugeleza kwe-slurry esingu-12mm/s kanye nesilinganiso sokusabalalisa esingu-0.25%.
Ngenxa yokuthi uma umfutho wensimu yamagnetic yangemuva uphakeme, amandla okuvuselela aphezulu, ukusetshenziswa kwamandla kwemishini kuyanda, futhi izindleko zokukhiqiza iyunithi ziphakeme. Uma kucatshangelwa izindleko zokuthuthukisa, insimu yamagnetic yangemuva ekhethiwe isethwe ku-1.25T.
Umfanekiso 7 Ukuxhumana phakathi kwamandla ensimu yamagnetic kanye nokuqukethwe kwe-Fe2O3.
2.3 Ukukhetha okuyisisekelo kwenqubo yokuhlukaniswa kwamagnetic
Inhloso eyinhloko yokwenziwa kwe-kaolin ore iwukususa insimbi nokuhlanza. Ngokusho komehluko wamagnetic weminerali ngayinye, ukusetshenziswa kwensimu yamagnetic ene-gradient ephezulu ukususa insimbi nokuhlanza i-kaolin kuyasebenza, futhi inqubo ilula futhi kulula ukuyisebenzisa embonini. Ngakho-ke, i-high-gradient slurry magnetic separator, eyodwa eqinile nenye encane, isetshenziswa njengenqubo yokuhlunga.
Ukukhiqizwa kwezimboni
3.1 Inqubo yokukhiqiza izimboni ze-Kaolin
Ukuze kususwe insimbi ku-kaolin ore endaweni ethile eGuangdong, inhlanganisela yochungechunge lwe-HTDZ-1000 isetshenziselwa ukwakha inqubo yokuhlukanisa ugesi ecolekile. Ishadi lokugeleza liboniswe kuMfanekiso 2.
3.2 Izimo zokukhiqiza zezimboni
3.2.1Ukuhlukaniswa kwezinto: inhloso eyinhloko: 1. Hlukanisa ukungcola okufana ne-quartz, i-feldspar kanye ne-mica ku-kaolin kusengaphambili ngesiphepho esinezigaba ezimbili, wehlise ingcindezi yemishini elandelayo, bese uhlela usayizi wezinhlayiya ukuze uhlangabezane nezidingo zemishini elandelayo. 2. Njengoba indawo yokuhlukanisa yesihlukanisi sikagesi esinodaka ingu-3# uboya bensimbi, usayizi wezinhlayiya kumele ube ngaphansi kwama-mesh angu-250 ukuqinisekisa ukuthi azikho izinhlayiya ezisele endaweni yoboya bensimbi ukuvimbela indawo yoboya bensimbi ukuthi ingavimbi indawo yoboya bensimbi, okuthinta inkomba yokuzuza kanye nokuwasha okuphakathi kanye namandla okucubungula emishini, njll.
3.2.2Izimo zokusebenza zokuhlukaniswa kwamagnetic: ukugeleza kwenqubo kusebenzisa ukuhlolwa okukodwa okuqinile nokukodwa okuhle kanye nenqubo eyodwa evulekile eqine nenye. Ngokusho kokuhlolwa kwesampula, amandla ensimu yangemuva yesihlukanisi sikagesi se-slurry esine-gradient ephezulu yokusebenza kokugoqa ingu-0.7T, isihlukanisi sikagesi se-gradient ephezulu yokusebenza kokukhetha ingu-1.25T, futhi kusetshenziswa isihlukanisi sikagesi se-HTDZ-1000 sokugoqa ukugoqa. Ifakwe isihlukanisi sikagesi se-slurry esikhethiwe se-HTDZ-1000.
3.3 Imiphumela yokukhiqiza kwezimboni
Ukukhiqizwa kwe-kaolin yezimboni yokususa insimbi endaweni ethile eGuangdong, ikhekhe lesampula lomkhiqizo elikhiqizwe yi-HTDZ slurry high gradient magnetic separator kuboniswe kuMfanekiso 3, kanti idatha iboniswe kuThebula 2.
Ikhekhe 1: Yikhekhe lesampula ye-ore eluhlaza elingena esihlukanisini sikagesi esinodaka oluqhekekile
Iphayi 2: Iphayi yesampula ekhethiwe cishe
Iphayi 3, Iphayi 4, Iphayi 5: Amasampula akhethiwe
Ithebula 2 Imiphumela yokukhiqizwa kwezimboni (imiphumela yokuthathwa kwamasampula nokuphula amakhekhe ngo-20:30 ngoNovemba 6)
Isithombe 3 Isampula yekhekhe elikhiqizwe yi-kaolin endaweni ethile eGuangdong
Imiphumela yokukhiqiza ikhombisa ukuthi okuqukethwe kwe-Fe2O3 kokugxilisa kungancishiswa cishe ngo-50% ngokuhlukaniswa okubili kwe-slurry okune-gradient ephezulu, futhi umphumela omuhle wokususa insimbi ungatholakala.
应用案例
Isikhathi sokuthunyelwe: Mashi-27-2021