Kaolin ali ndi nkhokwe zambiri m'dziko langa, ndipo zotsimikiziridwa nkhokwe za nthaka ndi pafupifupi matani biliyoni 3, makamaka anagawira Guangdong, Guangxi, Jiangxi, Fujian, Jiangsu ndi malo ena. Chifukwa cha zifukwa zosiyanasiyana za mapangidwe a geological, mapangidwe ndi mapangidwe a kaolin ochokera kumadera osiyanasiyana opangira amasiyananso. Kaolin ndi mtundu wa 1: 1 wosanjikiza silicate, womwe umapangidwa ndi octahedron ndi tetrahedron. Zigawo zake zazikulu ndi SiO2 ndi Al203. Lilinso ndi zochepa za Fe203, Ti02, MgO, CaO, K2O ndi Na2O, etc. Kaolin ali ambiri zabwino thupi ndi mankhwala katundu ndi makhalidwe ndondomeko, choncho chimagwiritsidwa ntchito petrochemicals, papermaking, ntchito zipangizo, zokutira, zoumba, zinthu zosagwira madzi, etc. Ndi kupita patsogolo kwa sayansi ndi luso lamakono, ntchito zatsopano za kaolin. zikuchulukirachulukira, ndipo zikuyamba kulowa m'minda yapamwamba, yolondola komanso yodula kwambiri. Kaolin ore ali pang'ono (nthawi zambiri 0.5% mpaka 3%) wa chitsulo mchere (chitsulo oxides, ilmenite, siderite, pyrite, mica, tourmaline, etc.), amene utoto kaolin ndi zimakhudza sintering Whiteness ndi katundu ena kuchepetsa ntchito. ku kaolin. Chifukwa chake, kusanthula kwa kapangidwe ka kaolin ndi kafukufuku waukadaulo wochotsa zonyansa ndizofunikira kwambiri. Zonyansa zamitundu iyi nthawi zambiri zimakhala ndi maginito ofooka ndipo zimatha kuchotsedwa ndi kupatukana kwa maginito. Kupatukana kwa maginito ndi njira yolekanitsira tinthu tating'onoting'ono tambiri tomwe timapanga maginito pogwiritsa ntchito kusiyana kwa maginito kwa mchere. Kwa maginito ofooka a maginito, gawo lamphamvu lamphamvu la maginito limafunikira kuti mulekanitse maginito.
Kapangidwe ndi mfundo ntchito HTDZ mkulu gradient slurry maginito olekanitsa
1.1 Kapangidwe ka electromagnetic slurry high gradient magnetic separator
Makinawa amapangidwa makamaka ndi chimango, mafuta utakhazikika koyilo yosangalatsa, maginito, sing'anga yolekanitsa, makina oziziritsira koyilo, makina othamangitsira, ore inlet ndi kutulutsa, dongosolo lowongolera, ndi zina zambiri.
Chithunzi 1 Chithunzi chojambula cha cholekanitsa chapamwamba cha maginito cha electromagnetic slurry
1- Coil yosangalatsa 2- Dongosolo la maginito 3- Kulekanitsa sing'anga 4- Vavu ya pneumatic 5- Paipi yotulutsa mpweya
6-Escalator 7-Inlet chitoliro 8-Slag kutulutsa chitoliro
1.2 Makhalidwe aukadaulo a HTDZ amagetsi slurry mkulu gradient maginito olekanitsa
◎Tekinoloje yoziziritsa mafuta: Mafuta oziziritsa osindikizidwa bwino amagwiritsidwa ntchito poziziritsa, kusinthana kwa kutentha kumachitika pogwiritsa ntchito mfundo ya kusinthana kwa kutentha kwa madzi ndi mafuta, ndipo pampu yamafuta ya transfoma yothamanga kwambiri imatengedwa. Mafuta oziziritsa amakhala ndi liwiro lothamanga kwambiri, mphamvu yamphamvu yosinthira kutentha, kukwera kotsika kwa coil, komanso mphamvu yayikulu yamagetsi.
◎Kukonzanso kwamakono ndi teknoloji yamakono yokhazikika: Kupyolera mu gawo la rectifier, zotulukapo zokhazikika zimakwaniritsidwa, ndipo kusangalatsa kwapano kumasinthidwa molingana ndi mawonekedwe azinthu zosiyanasiyana kuti zitsimikizire kukhazikika kwamphamvu kwa maginito ndikukwaniritsa index yabwino yopezera phindu.
◎Large patsekeke zida zida mkulu-ntchito thupi maginito luso: Gwiritsani ntchito zida zachitsulo kukulunga kobowo, pangani mawonekedwe oyenerera amagetsi amagetsi amagetsi, kuchepetsa kuchuluka kwa zida zachitsulo, kuchepetsa kutuluka kwa maginito, ndikupanga mphamvu yayikulu pakusankha.
◎Ukadaulo wopatukana wokhazikika wamadzimadzi wagawo atatu: Zomwe zili m'chipinda cholekanitsa zimayendetsedwa ndi mphamvu yokoka, mphamvu yokoka, ndi mphamvu ya maginito kuti ikwaniritse bwino kupindula pansi pamikhalidwe yoyenera. Kuphatikizika kwa madzi otsitsa ndi kuthamanga kwa mpweya kumapangitsa kuti mpweya wapakati ukhale woyeretsa.
◎ukadaulo watsopano wa spiky stainless maginito conductive ndi maginito: Sing'anga yosankhira imatengera ubweya wachitsulo, ma mesh owoneka ngati diamondi, kapena kuphatikiza kwachitsulo ndi mauna amtundu wa diamondi. Sing'anga iyi imaphatikiza mawonekedwe a zida, komanso kafukufuku ndi chitukuko cha chitsulo chosapanga dzimbiri chosavala chosasunthika, Magnetic field induction gradient ndi yayikulu, ndikosavuta kugwira maginito ofooka a maginito, remanence ndi yaying'ono, ndipo sing'anga ndi yayikulu. zosavuta kutsuka pamene zitsulo zatayidwa.
1.3 Kusanthula mfundo za zida ndi kusanthula maginito ogawa
1.3.1Mfundo yosankhira ndi: Mu koyilo yokhala ndi zida, ubweya wina wachitsulo wosapanga dzimbiri (kapena chitsulo chowonjezera) umayikidwa. Pambuyo coil ndi okondwa, ndi magnetically conductive zosapanga dzimbiri ubweya ndi magnetized, ndi osagwirizana kwambiri maginito munda kwaiye pamwamba, ndicho High-gradient magnetizing maginito maginito, pamene paramagnetic zakuthupi akudutsa zitsulo ubweya mu thanki kusanja, izo. adzalandira mphamvu ya maginito yolingana ndi mankhwala a maginito ogwiritsidwa ntchito ndi maginito a maginito, ndipo idzasindikizidwa pamwamba pa ubweya wachitsulo, m'malo mwa zinthu zopanda maginito zomwe zimadutsa maginito mwachindunji. Imayenderera mu thanki yazinthu zopanda maginito kudzera mu valavu yopanda maginito ndi payipi. Pamene zinthu zofooka za maginito zomwe zimasonkhanitsidwa ndi ubweya wachitsulo zimafika pamlingo wina (zotsimikiziridwa ndi zofunikira za ndondomeko), siyani kudyetsa ore. Chotsani mphamvu yachisangalalo ndikutsuka zinthu za maginito. Zinthu za maginito zimalowa mu thanki yamagetsi yamagetsi kudzera pa maginito vavu ndi mapaipi. Kenako gwirani homuweki yachiwiri, ndikubwerezanso izi.
1.3.2Kusanthula kwagawo la maginito: Gwiritsani ntchito mapulogalamu apamwamba kwambiri kuti mutengere mwachangu mapu amtambo wogawa maginito, kufupikitsa kuzungulira kwa mapangidwe ndi kusanthula; kutengera kapangidwe kake kochepetsera kugwiritsa ntchito mphamvu kwa zida ndikuchepetsa mtengo wa ogwiritsa ntchito; pezani mavuto omwe angakhalepo musanapange mankhwala , Wonjezerani kudalirika kwa zinthu ndi ntchito; yerekezerani njira zosiyanasiyana zoyesera, kuchepetsa nthawi yoyesera ndi ndalama;
Makhalidwe a kayendedwe ka mchere
2.1 Kusanthula kayendedwe kazinthu
The HTDZ mkulu gradient maginito olekanitsa ndi oyenera kudya m'munsi pamene kusanja kaolin. Zidazi zimatenga ubweya wachitsulo wosanjikiza wosanjikiza (kapena chitsulo chowonjezera) ngati njira yosankhira, kotero kuti njira ya tinthu tating'onoting'ono imakhala yosakhazikika molunjika ndi yopingasa. Kuyenda kokhotakhota kwa mchere wa mchere kukuwonetsedwa mu Chithunzi 1. Choncho, kuwonjezera nthawi yothamanga ndi mtunda wa mchere m'dera lolekanitsa kumathandiza kuti adsorption yonse ya maginito ofooka. Komanso, slurry otaya mlingo, mphamvu yokoka ndi buoyancy pa ndondomeko kulekana zimagwirizana wina ndi mzake. Zotsatira zake ndikusunga tinthu tating'onoting'ono tosasunthika nthawi zonse, kuchepetsa kumamatira pakati pa tinthu tating'onoting'ono, ndikuwongolera magwiridwe antchito achitsulo. Pezani zotsatira zabwino zosanja.
Chithunzi 4 Chithunzi chojambula cha kayendedwe ka mchere
1. Media network 2. Magnetic particles 3. Non-magnetic particles.
2. Chikhalidwe cha ore yaiwisi ndi njira yofunikira yopezera phindu
2.1 Katundu wina wa mchere wa kaolin ku Guangdong:
Michere ya gangue ya kaolin m'dera lina ku Guangdong imaphatikizapo quartz, muscovite, biotite ndi feldspar, ndi zochepa zofiira ndi limonite. Quartz makamaka imalemeretsedwa mu kukula kwambewu + 0.057mm, zomwe zili mu mica ndi feldspar minerals zimalemeretsedwa pakati pa kukula kwa tirigu (0.02-0.6mm), ndipo zomwe zili mu kaolinite ndi mchere wochepa wa mdima umawonjezeka pang'onopang'ono monga njere. kukula kumachepa. , Kaolinite imayamba kulemeretsedwa pa -0.057mm, ndipo mwachiwonekere imapindula pa -0.020mm kukula.
Table 1 Zotsatira za kafukufuku wambiri wa kaolin ore%
2.2 Mikhalidwe yayikulu yopindula yomwe ikugwiritsidwa ntchito poyesa kufufuza kwa zitsanzo zazing'ono
Zinthu zazikulu zimene zimakhudza maginito kulekana ndondomeko ya HTDZ mkulu gradient slurry maginito olekanitsa ndi slurry otaya mlingo, maziko maginito mphamvu, etc. Zinthu ziwiri zotsatirazi zikuyesedwa mu experimental phunziro.
2.2.1 Kuthamanga kwa slurry: Pamene kuthamanga kuli kwakukulu, zokolola za concentrate zimakhala zapamwamba, ndipo zitsulo zake zimakhalanso zambiri; pamene kuthamanga kuli kochepa, chitsulo chokhazikika chimakhala chochepa, ndipo zokolola zake zimakhalanso zochepa. Deta yoyesera ikuwonetsedwa mu Gulu 2
Gulu 2 Zotsatira zoyeserera za slurry flow rate
Zindikirani: Kuyesa kwa slurry flow rate kumachitika pansi pazigawo za maziko a maginito a 1.25T ndi disperant mlingo wa 0.25%.
Chithunzi 5 Kulumikizana pakati pa kuchuluka kwa kuthamanga ndi Fe2O3
Chithunzi 6 Kulumikizana pakati pa kuthamanga kwa kuthamanga ndi kuyera kowuma.
Poganizira mtengo wopindulitsa kwambiri, kuthamanga kwa slurry kuyenera kuyendetsedwa pa 12mm / s.
2.2.2 Background maginito mphamvu: maziko maginito mphamvu ya slurry maginito olekanitsa zimagwirizana ndi lamulo la chitsulo kuchotsa index wa kaolin maginito kulekana, ndiko kuti, pamene mphamvu maginito ndi mkulu, tcheru zokolola ndi chitsulo zili. olekanitsa maginito onse ndi otsika, ndipo mlingo wochotsa chitsulo ndi wochepa. High, zotsatira zabwino kuchotsa chitsulo.
Table 3 Zotsatira zoyeserera zakumbuyo kwa maginito
Zindikirani: Kuyesa kwa maginito kumbuyo kumachitidwa pansi pa slurry flow rate ya 12mm/s ndi dispersant mlingo wa 0.25%.
Chifukwa chakuti mphamvu ya maginito imakwera kwambiri, mphamvu yokoka imachulukirachulukira, mphamvu yogwiritsira ntchito zidazo imakwera, komanso mtengo wopangira ma unit ukukwera. Poganizira mtengo wa phindu, gawo losankhidwa lakumbuyo la maginito limayikidwa pa 1.25T.
Chithunzi 7 Kulumikizana pakati pa mphamvu ya maginito ndi Fe2O3.
2.3 Basic ndondomeko kusankha maginito kulekana
Cholinga chachikulu cha kaolin ore beneficiation ndi kuchotsa chitsulo ndi kuyeretsa. Malinga ndi kusiyana kwa maginito kwa mchere uliwonse, kugwiritsa ntchito maginito okwera kwambiri kuchotsa chitsulo ndi kuyeretsa kaolin ndikothandiza, ndipo njirayi ndi yosavuta komanso yosavuta kugwiritsira ntchito makampani. Choncho, high-gradient slurry magnetic separator, imodzi coarse ndi imodzi chabwino, ntchito monga njira kusanja.
Kupanga mafakitale
3.1 Njira yopanga mafakitale ya Kaolin
Pochotsa chitsulo ku ore ya kaolin kudera linalake ku Guangdong, kuphatikiza kwa HTDZ-1000 kumagwiritsidwa ntchito kupanga njira yolekanitsa maginito. Chithunzi chotsatira chikuwonetsedwa pazithunzi 2.
3.2 Zinthu zopanga mafakitale
3.2.1Gulu lazinthu: cholinga chachikulu: 1. Zonyansa zosiyana monga quartz, feldspar ndi mica mu kaolin pasadakhale kupyolera mu chimphepo chamkuntho chamagulu awiri, kuchepetsa kupanikizika kwa zida zotsatila, ndikuyika kukula kwa tinthu kuti tikwaniritse zofunikira za zipangizo zotsatila. 2. Popeza kupatukana sing'anga wa slurry maginito olekanitsa ndi 3 # zitsulo ubweya, tinthu kukula ayenera kukhala pansi 250 mauna kuonetsetsa kuti palibe particles otsala mu sing'anga ubweya zitsulo kuteteza zitsulo ubweya sing'anga kutsekereza sing'anga ubweya zitsulo. , okhudza beneficiation index ndi sing'anga kusamba Ndi mphamvu processing wa zipangizo, etc.
3.2.2Zinthu zogwirira ntchito za kupatukana kwa maginito: ndondomeko otaya utenga mmodzi coarse ndi mayeso wina wabwino ndi coarse ndi njira imodzi yabwino lotseguka dera. Malinga ndi kuyesa kwachitsanzo, mphamvu yakumbuyo yakumtunda kwa slurry maginito olekanitsa ndi 0.7T, olekanitsa maginito apamwamba kwambiri pakusankha ntchito ndi 1.25T, ndipo cholekanitsa maginito cha HTDZ-1000 cha roughing slurry chimagwiritsidwa ntchito. . Okonzeka ndi HTDZ-1000 osankhidwa slurry maginito olekanitsa.
3.3 Zotsatira zopanga mafakitale
Kupanga kwa mafakitale a kaolin pochotsa chitsulo kumalo ena ku Guangdong, keke yachitsanzo yopangidwa ndi HTDZ slurry high gradient magnetic separator ikuwonetsedwa mu Chithunzi 3, ndipo deta ikuwonetsedwa mu Gulu 2.
Keke 1: Ndi keke yaiwisi ya ore yomwe imalowa m'malo opatukana ndi maginito olekanitsa.
Chitumbuwa 2: Chitumbuwa chosankhidwa pafupifupi
Pie 3, Pie 4, Pie 5: Zitsanzo zosankhidwa
Table 2 Zotsatira za kupanga mafakitale (zotsatira za sampuli ndi kuswa makeke pa 20:30 pa November 6th)
Chithunzi 3 Chitsanzo cha keke yopangidwa ndi kaolin pamalo ena ku Guangdong
Zotsatira zopanga zikuwonetsa kuti zomwe zili mu Fe2O3 zitha kuchepetsedwa pafupifupi 50% kudzera pakupatukana kwakukulu kwa maginito kwa slurry, ndipo chitsulo chochotsa bwino chingapezeke.
应用案例
Nthawi yotumiza: Mar-27-2021