Kaolin, tshwj xeeb tshaj yog ultra-fine calcined kaolin, raws li ib qho tseem ceeb heev inorganic non-metallic khoom, yeej ib txwm ua lub luag hauj lwm tseem ceeb nyob rau hauv daim ntawv kev lag luam nrog nws zoo heev lub cev zog.Calcined kaolin siv nyob rau hauv daim ntawv kev lag luam yog ib tug ntxeem tau thiab siab whiteness structural functional khoom, uas yog tsuas yog siv los hloov kim titanium dioxide thiab lwm yam high-qib pigments.Raws li cov chaw tsim khoom ntawm cov khoom sib tsoo, lubcalcined kaolinultra-zoo ntsugcov menyuamzeb ua los ntawm HCMilling (Guilin Hongcheng) tau dav siv thiab lees paub hauv kev tsim cov calcined kaolin.Hauv qab no yog ib qho kev qhia txog kev tsim cov calcined kaolin:

Cov kev cai zoo ntawm daim ntawv kev lag luam rau calcined kaolin feem ntau yog qhia nyob rau hauv qhov yuav tsum tau rau particle loj, whiteness, nkaum hwj chim, roj nqus, viscosity concentration, pH tus nqi, hnav tus nqi thiab lwm yam ntsuas ntawm calcined kaolin.Raws li cov xwm txheej uas kev ua lag luam ntawm cov tshuaj ntxhua khaub ncaws ntxhua khaub ncaws tau poob qis xyoo dhau los vim muaj kev cuam tshuam ntawm cov calcium carbonate hnyav, kev muag khoom lag luam tau nce zuj zus, uas tau ua rau ntau lub tuam txhab ua raws li kev cai.Txij li thaum xyoo 1980s, ntau cov thee series kaolin tau raug tshawb pom (nws tau hais tias qhov kev cia siab yav tom ntej tshaj 10 billion tons).Vim nws cov khoom zoo thiab ob peb yam tsis zoo, thee series kaolin tau dhau los ua cov khoom siv zoo tagnrho rau kev tsim cov ntawv txheej qib calcined kaolin.Kev ua lag luam zeem muag ntawm calcined kaolin ua los ntawm thee series kaolin yog dav.

Cov txheej txheem ntawm calcined kaolin feem ntau suav nrog ob ntu: crushing superfine txheej txheem thiab calcining whitening txheej txheem.

1. Sib tsoo superfine txheej txheem ntawm calcined kaolin ntau lawm txoj kev: sib tsoo superfine txheej txheem yog ib qho tseem ceeb txuas mus txiav txim qhov zoo ntawm kaolin.Crushing ntawm thee series kaolin superfine yog tawv kaolin (los ntawm 5 ~ 20mm mus rau 40 ~ 80 μ m) Ultrafine (los ntawm 40 mus rau 80 μ M rau - 10 μ M los yog - 2 μ m).calcined kaolinRaymond zeb thiab calcined kaolin ntsug cov menyuam zeb ua los ntawm HCMilling (Guilin Hongcheng) yog cov khoom siv ntxhib crushing, uas tuaj yeem siv rau kev ua ntej ntxhib crushing ntawm calcined kaolin ntau lawm txoj kev, thiab tuaj yeem ua 80-600 mesh thee series kaolin;HLMX series calcined kaolin ultra-zoo ntsugcov menyuamzeb, nplhaib cov menyuam zeb thiab lwm yam khoom siv ultra-nplua crushing yog tsim rau ultra-nplua crushing nyob rau hauv cov txheej txheem ntawm calcined kaolin, uas muaj peev xwm ua 3-45 μ M superfine kaolin hmoov yog ib qho zoo tagnrho calcined kaolin superfine hmoov zeb.

2. Cov txheej txheem calcination thiab whitening ntawm calcined kaolin ntau lawm txoj kev: Nyob rau hauv saib ntawm cov yam ntxwv diagnostic ntawm thee series kaolin, uas yog, nws muaj ib co organic teeb meem, thiaj li hais tias nws raw ore whiteness tsuas yog 6 ~ 40%, uas yog nyob deb ntawm. ua tau raws li qhov yuav tsum tau ua ntawm daim ntawv kev lag luam rau coated kaolin, yog li cov calcination decarburization thiab whitening txheej txheem yuav tsum tau saws.Raws li cov kev xav tau sib txawv rau qhov zoo ntawm kaolin, nws tuaj yeem muab faib ua ob yam khoom: nruab nrab kub calcined kaolin thiab kub kub calcined kaolin.

Cov txheej txheem sib piv ntawm calcined kaolin ntau lawm txoj kev: raws li seb cov txheej txheem superfine yog txheej txheem ntub dej lossis cov txheej txheem qhuav thiab cov txheej txheem superfine thiab calcination txheej txheem, plaub txheej txheem ntau lawm tuaj yeem ua ke, uas yog

(1) cov txheej txheem ntub dej superfine ua raws li txheej txheem calcination (2) txheej txheem qhuav superfine ua raws li txheej txheem calcination (3) calcination ua raws li cov txheej txheem ntub dej superfine (4) calcination ua raws li txheej txheem qhuav superfine.Vim tias tib neeg muaj kev nkag siab sib txawv ntawm cov ntaub ntawv zoo heev, cov txheej txheem siv hauv kev lag luam txawv txawv:

(1) Cov txheej txheem ntub dej superfine calcination yog qhov ntev, tab sis nws muaj zog adaptability rau cov ntaub ntawv raw, thiab cov khoom zoo tuaj yeem ua tau raws li cov kev xav tau ntawm kev lag luam ntawv;

(2) Cov txheej txheem calcination thiab rewetting superfine feem ntau xav tau cov cuab yeej tshwj xeeb ziab thiab cov khoom tawg.Cov txheej txheem no tsis muaj zog adaptability rau cov ntaub ntawv raw, tab sis tuaj yeem tsim cov khoom tsim nyog los ntawm kev lag luam ntawv;

(3) Cov txheej txheem qhuav superfine calcination thiab thawj calcination thiab tom qab ntawd cov txheej txheem qhuav superfine tsis tuaj yeem tsim kaolin rau kev lag luam ntawv (vim yog vim li cas cov khoom siv superfine), uas yuav tsum muaj cov khoom siv raw zoo.

Zuag qhia tag nrho, cov txheej txheem ntawm qhuav superfine ua ntej calcination muaj zog siv tau, thiab cov txheej txheem khiav daim duab yog: raw ore → crushing → crushing → qhuav superfine → calcination → khoom.Qhov zoo ntawm cov txheej txheem no yog: (1) cov txheej txheem luv luv, thiab tag nrho cov txheej txheem yuav tsum tsuas yog peb mus rau plaub yam khoom tseem ceeb.Yog HongchengHLMX calcined kaolin ultrafine hmoov zeb yog xaiv, tsuas yog peb cov khoom yuav tsum tau, uas yog, crusher, calcined kaolin ultrafine hmoov zeb, calciner, uas yog yooj yim rau tag nrho cov kev tswj thiab tsim nyog teem sij hawm;(2) Kev siv hluav taws xob tsim nyog.Nyob rau hauv cov txheej txheem no, cov txheej txheem superfine ntawm cov ntaub ntawv yog muab tso ua ntej cov txheej txheem calcination kom tsis txhob muaj teeb meem ntawm kev siv ntau zog vim crushing thiab hlawv cov ntaub ntawv.Yog tias cov txheej txheem hmoov calcination tau txais, nws tuaj yeem suav tias yog cov txheej txheem qhuav qhuav.Raws li kev siv thev naus laus zis, kev siv hluav taws xob yog qhov tsim nyog.

Siv cov thee series kaolin los tsim cov txheej txheem calcined kaolin rau kev lag luam ntawv yog ib qho kev xav zoo rau kev siv cov thee gangue.Nws yuav tsum raug sau tseg tias cov txheej txheem tsim nyog yuav tsum raug xaiv raws li cov peev txheej hauv zos thiab peev.Yog tias koj xav paub ntau ntxiv txog cov txheej txheem tsim khoom thiab xaiv cov khoom siv ntawm calcined kaolin, thov hu rau peb kom paub meej.