IKaolin ineendawo ezininzi zokugcina izinto kwilizwe lam, kwaye iindawo zokugcina izinto eziqinisekisiweyo zejoloji zimalunga neetoni ezi-3 zeebhiliyoni, ezisasazwa kakhulu eGuangdong, eGuangxi, eJiangxi, eFujian, eJiangsu nakwezinye iindawo. Ngenxa yezizathu ezahlukeneyo zokwakheka kwejoloji, ukwakheka kunye nolwakhiwo lwekaolin ezivela kwiindawo ezahlukeneyo zokuvelisa nazo zahlukile. IKaolin yi-silicate enomgangatho we-1:1, eyenziwe yi-octahedron kunye ne-tetrahedron. Izinto zayo eziphambili yiSiO2 kunye ne-Al203. Ikwanayo nesixa esincinci seFe203, Ti02, MgO, CaO, K2O kunye neNa2O, njl. njl. IKaolin ineempawu ezininzi ezintle zomzimba nezekhemikhali kunye neempawu zenkqubo, ngoko ke isetyenziswa kakhulu kwiikhemikhali zepetroli, ukwenza amaphepha, izixhobo ezisebenzayo, ukugquma, iiseramikhi, izinto ezingangeni manzi, njl. Ngokuhambela phambili kwesayensi netekhnoloji yanamhlanje, ukusetyenziswa okutsha kwekaolin kuyanda rhoqo, kwaye kuqala ukungena kwiindawo eziphezulu, ezichanekileyo neziphambili. I-ore ye-Kaolin inomlinganiselo omncinci (ngesiqhelo i-0.5% ukuya kwi-3%) yeeminerali zentsimbi (ii-oxide zentsimbi, i-ilmenite, i-siderite, i-pyrite, i-mica, i-tourmaline, njl.njl.), ezifaka umbala kwi-kaolin kwaye zichaphazele ukubola kwayo. Ubumhlophe kunye nezinye iipropati zithintela ukusetyenziswa kwe-kaolin. Ke ngoko, uhlalutyo lokwakheka kwe-kaolin kunye nophando malunga netekhnoloji yokususa ukungcola kwayo kubaluleke kakhulu. Ezi nkunkuma zinemibala zihlala zineempawu zemagnethi ezibuthathaka kwaye zinokususwa ngokwahlukana kwemagnethi. Ukwahlukana kwemagnethi yindlela yokwahlula amasuntswana eminerali kwintsimi yemagnethi ngokusebenzisa umahluko wemagnethi weeminerali. Kwiiminerali zemagnethi ezibuthathaka, intsimi yemagnethi enamandla aphezulu iyafuneka ukuze kwahlulwe imagnethi.
Ulwakhiwo kunye nomgaqo wokusebenza we-HTDZ high gradient slurry magnetic separator
1.1 Ulwakhiwo lwesahluli semagnethi se-electromagnetic slurry high gradient magnetic
Lo matshini ubunjwe kakhulu yifreyimu, ikhoyili yokuvuselela epholiswe yioyile, inkqubo yemagnethi, indlela yokwahlulahlula, inkqubo yokupholisa ikhoyili, inkqubo yokufunxa, inkqubo yokungena kunye nokukhupha i-ore, inkqubo yolawulo, njl.njl.
Umfanekiso 1 Umzobo wolwakhiwo lwesahluli semagnethi esine-gradient ephezulu kwi-slurry ye-electromagnetic
1- Ikhoyili yokukhupha umoya 2- Inkqubo yeMagnetic 3- Ukwahlula okuphakathi 4- Ivalvu yomoya 5- Umbhobho wokukhupha iPulp
I-Escalator ezi-6, ipayipi yokungena ezi-7, ipayipi yokukhupha i-slag ezi-8
1.2 Iimpawu zobugcisa ze-HTDZ electromagnetic slurry high gradient magnetic separator
◎Itekhnoloji yokupholisa ioyile: Ioyile yokupholisa evalwe ngokupheleleyo isetyenziselwa ukupholisa, utshintshiselwano lobushushu lwenziwa kusetyenziswa umgaqo wotshintshiselwano lobushushu phakathi kweoyile namanzi, kwaye kusetyenziswa ipompo yeoyile ye-transformer yediski enkulu. Ioyile yokupholisa inesantya sokujikeleza esikhawulezayo, amandla otshintshiselwano lobushushu aqinileyo, ukunyuka kobushushu obuphantsi, kunye namandla aphezulu emagnethi.
◎Ukulungiswa kwangoku kunye netekhnoloji yokuzinzisa yangoku: Ngemodyuli yokulungisa, imveliso yangoku ezinzileyo iyafezekiswa, kwaye umsinga wokuvuselela uhlengahlengiswa ngokweempawu zezinto ezahlukeneyo ukuqinisekisa amandla entsimi yamagnetic azinzileyo kunye nokufezekisa isalathiso sokuphucula esingcono.
◎Itekhnoloji enkulu yemagnethi yomzimba exhotyiswe ngezixhobo eziphezulu: Sebenzisa isikrweqe sesinyithi ukusonga ikhoyili engenanto, uyila isakhiwo sesekethe yemagnethi ye-electromagnetic esifanelekileyo, unciphise ukugcwala kwesikrweqe sesinyithi, unciphise ukuvuza kwe-magnetic flux, kwaye wenze amandla aphezulu entsimi kwindawo yokuhlela.
◎Itekhnoloji yokwahlulahlula igesi eqinileyo-elulwelo-enezigaba ezintathu: Izinto ezikwigumbi lokwahlukanisa ziphantsi koxinzelelo lokufunxa, amandla omxhuzulane, kunye namandla emagnethi ukuze kufezekiswe isiphumo esifanelekileyo sokuphucula phantsi kweemeko ezifanelekileyo. Ukudibana kokukhupha amanzi kunye noxinzelelo lomoya ophezulu kwenza ukuba ukuhlanjwa kwamanzi kube yinto ecocekileyo.
◎Itekhnoloji entsha ye-magnetic conductive kunye ne-magnetic material eneencasa ezibukhali: i-medium yokuhluza isebenzisa uboya bentsimbi, i-mesh yemidiya efana nedayimani, okanye indibaniselwano yoboya bentsimbi kunye ne-mesh yemidiya efana nedayimani. Le medium idibanisa iimpawu zezixhobo, kunye nophando kunye nophuhliso lwentsimbi engagqwaliyo ekwaziyo ukuguguleka, i-gradient ye-magnetic field induction inkulu, kulula ukubamba iiminerali zemagnethi ezibuthathaka, i-remanence incinci, kwaye i-medium kulula ukuyihlamba xa i-ore ikhutshwa.
1.3 Uhlalutyo lwemigaqo yezixhobo kunye nohlalutyo lokusasazwa kwentsimi yemagnethi
1.3.1Umgaqo wokuhlela ngulo: Kwikhoyili exhonyiweyo, kufakwa ubuninzi obuthile boboya bentsimbi engagqwaliyo eqhuba umbane (okanye isinyithi esandisiweyo). Emva kokuba ikhoyili ivuselelwe, uboya bentsimbi engagqwaliyo eqhuba umbane bufakwa umbane, kwaye kwenziwa intsimi yemagnethi engalinganiyo kumphezulu, oko kukuthi intsimi yemagnethi eqhuba umbane ephezulu, xa izinto zeparamagnetic zidlula kuboya bentsimbi kwitanki yokuhluza, ziya kufumana amandla entsimi yemagnethi alinganayo nemveliso yentsimi yemagnethi esetyenzisiweyo kunye negradient yentsimi yemagnethi, kwaye ziya kufinyezwa kumphezulu woboya bentsimbi, endaweni yezinto ezingezizo zemagnethi ezidlula ngqo kuboya bemagnethi. Zingena kwitanki yemveliso engezizo zemagnethi ngevalvu kunye nombhobho ongengowemagnethi. Xa izinto zemagnethi ezibuthathaka eziqokelelwe luboya bentsimbi zifikelela kwinqanaba elithile (elimiselwe ziimfuno zenkqubo), yeka ukondla i-ore. Nqamla umbane wokukhupha kwaye uhlambe izinto zemagnethi. Izinto zemagnethi zingena kwitanki yemveliso yemagnethi ngevalvu kunye nombhobho ongengowemagnethi. Emva koko yenza umsebenzi wesikolo wesibini, kwaye uphinde lo mjikelo.
1.3.2Uhlalutyo lokusasazwa kwentsimi yemagnethi: Sebenzisa isoftware ye-finite element ephucukileyo ukuze ulingise ngokukhawuleza imephu yelifu losasazo lwe-magnetic field, ufinyeze umjikelo woyilo kunye nohlalutyo; yamkela uyilo olulungiselelweyo lokunciphisa ukusetyenziswa kwamandla kwezixhobo kunye nokunciphisa iindleko zomsebenzisi; fumana iingxaki ezinokubakho ngaphambi kokwenziwa kwemveliso, Yandisa ukuthembeka kweemveliso kunye neeprojekthi; ulingise iinkqubo ezahlukeneyo zovavanyo, unciphise ixesha lovavanyo kunye neendleko;
Iimpawu zokuhamba kweeminerali
2.1 Uhlalutyo lwentshukumo yezinto eziphathekayo
I-HTDZ high gradient magnetic separator ifanelekile kwisondlo esisezantsi xa kuhlungwa i-kaolin. Izixhobo zisebenzisa uboya bentsimbi engagqwaliyo (okanye isinyithi esandisiweyo) njengendlela yokwahlulahlula, ukuze indlela yeenxalenye ze-ore ingafani kwiindlela ezithe nkqo nezithe tye. Intshukumo yegophe yeenxalenye ze-mineral iboniswe kuMfanekiso 1. Ke ngoko, ukwandisa ixesha lokusebenza kunye nomgama weeminerali kwindawo yokwahlulahlula kuyanceda ekufakweni ngokupheleleyo kweemagnethi ezibuthathaka. Ukongeza, izinga lokuhamba koludaka, umxhuzulane kunye nokubhonga ngexesha lenkqubo yokwahlulahlula ziyasebenzisana. Isiphumo kukugcina iinxalenye ze-ore zikwimeko ekhululekileyo ngamaxesha onke, ukunciphisa ukunamathelana phakathi kweenxalenye ze-ore, kunye nokuphucula ukusebenza kakuhle kokususwa kwesinyithi. Fumana isiphumo esihle sokwahlulahlula.
Umfanekiso 4 Umzobo wesicwangciso sentshukumo yezimbiwa
1. Inethiwekhi yeendaba 2. Amasuntswana anemagnethi 3. Amasuntswana angengonemagnethi.
2. Uhlobo lwe-ore eluhlaza kunye nenkqubo esisiseko yokuzuza
2.1 Iimpawu zezinto ezithile zeminerali ye-kaolin eGuangdong:
Iiminerali ze-gangue ze-kaolin kwindawo ethile eGuangdong ziquka i-quartz, i-muscovite, i-biotite kunye ne-feldspar, kunye nenani elincinci le-red kunye ne-limonite. I-Quartz ityetyiswe kakhulu ngobukhulu bengqolowa ye-+0.057mm, umxholo weminerali ye-mica kunye ne-feldspar utyetyiswe ngobukhulu bengqolowa ephakathi (0.02-0.6mm), kwaye umxholo we-kaolinite kunye nenani elincinci leminerali emnyama uyanda kancinci kancinci njengoko ubungakanani bengqolowa buncipha. , I-Kaolinite iqala ukutyetyiswa kwi--0.057mm, kwaye ngokucacileyo ityetyiswa kwi--0.020mm.
Itheyibhile 1 Iziphumo zohlalutyo lwezinto ezininzi ze-kaolin ore%
2.2 Iimeko eziphambili zokuzuza ezisetyenziswa kuvavanyo lokuhlola isampuli encinci
Izinto eziphambili ezichaphazela inkqubo yokwahlulwa kwemagnethi ye-HTDZ high gradient slurry magnetic separator yi-slurry flow rate, amandla e-magnetic field angasemva, njl. Ezi meko zimbini zilandelayo zivavanyiwe kolu phononongo lovavanyo.
2.2.1 Izinga lokuhamba kodaka: Xa izinga lokuhamba lilikhulu, isivuno soxinzelelo siphezulu, kwaye umxholo walo wesinyithi uphezulu; xa izinga lokuhamba liphantsi, umxholo wesinyithi soxinzelelo uphantsi, kwaye isivuno salo siphantsi. Idatha yovavanyo iboniswe kwiTheyibhile 2
Itheyibhile 2 Iziphumo zovavanyo zesantya sokuhamba kodaka
Qaphela: Uvavanyo lwesantya sokuhamba kodaka lwenziwa phantsi kweemeko zentsimi yamagnetic yangasemva eyi-1.25T kunye nedosi ye-dispersant eyi-0.25%.
Umfanekiso 5 Unxibelelwano phakathi kwesantya sokuhamba kwamanzi kunye ne-Fe2O3
Umfanekiso 6 Unxibelelwano phakathi kwesantya sokuhamba kwamanzi kunye nomhlophe owomileyo.
Xa kujongwa iindleko zokuxhamla ngokupheleleyo, izinga lokuhamba kodaka kufuneka lilawulwe kwi-12mm/s.
2.2.2 Intsimi yemagnethi engasemva: Ubunzulu bentsimi yemagnethi engasemva yesahluli semagnethi esiludaka buhambelana nomthetho wesalathisi sokususwa kwesinyithi sokwahlulwa kwemagnethi ye-kaolin, oko kukuthi, xa ubunzulu bentsimi yemagnethi buphezulu, isivuno esiqinileyo kunye nomxholo wesinyithi wesahluli semagnethi ziphantsi, kwaye izinga lokususwa kwesinyithi liphantsi. Isiphumo esiphezulu nesilungileyo sokususa isinyithi.
Itheyibhile 3 Iziphumo zovavanyo lwentsimi yamagnetic yangasemva
Qaphela: Uvavanyo lwe-magnetic field olungasemva lwenziwa phantsi kweemeko zesantya sokuhamba kodaka se-12mm/s kunye nedosi yokusasazeka kwe-0.25%.
Ngenxa yokuba xa amandla emagnethi engasemva ephezulu, amandla okuchukumisa aphezulu, ukusetyenziswa kwamandla kwezixhobo kuphezulu, kwaye iindleko zokuvelisa iyunithi ziphezulu. Xa kujongwa iindleko zokuphucula, amandla emagnethi angasemva akhethiweyo abekwe kwi-1.25T.
Umfanekiso 7 Unxibelelwano phakathi kwamandla e-magnetic field kunye nomxholo we-Fe2O3。
2.3 Ukhetho olusisiseko lwenkqubo yokwahlulwa kwemagnethi
Eyona njongo iphambili yokuphucula i-kaolin ore kukususa isinyithi kunye nokucoca. Ngokomahluko wemagnethi weminerali nganye, ukusetyenziswa kwe-high gradient magnetic field ukususa isinyithi kunye nokucoca i-kaolin kuyasebenza, kwaye le nkqubo ilula kwaye kulula ukuyisebenzisa kushishino. Ke ngoko, i-high-gradient slurry magnetic separator, enye irhabaxa kunye nenye incinci, isetyenziswa njengenkqubo yokuhlela.
Imveliso yemizi-mveliso
3.1 Inkqubo yemveliso yemizi-mveliso yeKaolin
Ukususa isinyithi kwi-kaolin ore kwindawo ethile eGuangdong, kusetyenziswa indibaniselwano yothotho lwe-HTDZ-1000 ukwenza inkqubo yokwahlulahlula imagnethi ecolekileyo. Itshathi yokuhamba iboniswe kuMfanekiso 2.
3.2 Iimeko zemveliso yemizi-mveliso
3.2.1Ukwahlulwahlulwa kwezinto: injongo ephambili: 1. Hlukanisa ukungcola okufana ne-quartz, i-feldspar kunye ne-mica kwi-kaolin kwangaphambili ngexesha le-cyclone enamanqanaba amabini, unciphise uxinzelelo lwezixhobo ezilandelayo, kwaye uhlele ubungakanani be-particle ukuze kuhlangatyezwane neemfuno zezixhobo ezilandelayo. 2. Ekubeni i-separation medium ye-slurry magnetic separator yi-3# steel wool, ubungakanani be-particle kufuneka bube ngaphantsi kwe-250 mesh ukuqinisekisa ukuba akukho masuntswana aseleyo kwi-steel wool medium ukuthintela i-steel wool medium ukuba ivale i-steel wool medium, ichaphazela i-beneficiation index kunye ne-medium washing kunye nomthamo wokucubungula wezixhobo, njl.
3.2.2Iimeko zokusebenza zokwahlulwa kwemagnethi: ukuhamba kwenkqubo kwamkela uvavanyo olunye oluqinileyo noluncinci kunye novavanyo olunye oluqinileyo noluncinci oluvulekileyo. Ngokwesampulu yovavanyo, amandla entsimi yangasemva yokwahlulahlula imagnethi ye-slurry ene-gradient ephezulu yokusebenza kwe-roughing yi-0.7T, isahluli semagnethi esine-gradient ephezulu yokusebenza kokukhetha yi-1.25T, kwaye kusetyenziswa isahluli semagnethi se-HTDZ-1000 sokwahlulahlula i-slurry. Ixhotyiswe ngesahluli semagnethi se-slurry esikhethiweyo se-HTDZ-1000.
3.3 Iziphumo zemveliso yemizi-mveliso
Imveliso yemizi-mveliso ye-kaolin yokususa isinyithi kwindawo ethile eGuangdong, ikhekhe yesampulu yemveliso eveliswe yi-HTDZ slurry high gradient magnetic separator iboniswe kuMfanekiso 3, kwaye idatha iboniswe kwiTheyibhile 2.
Ikhekhe 1: Yikhekhe yesampuli ye-ore eluhlaza efika kwindawo yokwahlulahlula i-slurry magnetic
Ipayi yesi-2: Ipayi yesampulu ekhethiweyo
Ipayi 3, Ipayi 4, Ipayi 5: Iisampuli ezikhethiweyo
Itheyibhile 2 Iziphumo zemveliso yemizi-mveliso (iziphumo zokuthatha iisampulu kunye nokuqhekeza iikeyiki ngentsimbi ye-20:30 nge-6 kaNovemba)
Umfanekiso 3 Isampuli yekhekhe eyenziwe yi-kaolin kwindawo ethile eGuangdong
Iziphumo zemveliso zibonisa ukuba umxholo we-Fe2O3 we-concentrate ungancitshiswa malunga ne-50% ngokusebenzisa ulwahlulo lwemagnethi olune-gradient ephezulu lwe-slurry, kwaye umphumo omhle wokususa isinyithi ungafunyanwa.
应用案例
Ixesha lokuposa: Matshi-27-2021