Hmoov Kaolin yog cov khoom siv ntuj tsim uas tsis yog hlau uas muaj kaolinite nyob hauv, uas tau tsim los ntawm kev lwj thiab hloov pauv ntawm cov pob zeb feldspar-nplua nuj aluminosilicate nyob rau hauv kev sib koom ua ke ntawm dej, cua thiab cov yam ntxwv ntawm lub cev ntau lab xyoo. Nws muaj cov qauv mos mos, silky uas zoo li du rau kov, cov khoom me me zoo li phaj nrog cov qauv lamellar nyias heev (uas tuaj yeem sib tshooj thiab sib txuas) thiab cov khoom siv lub cev-tshuaj lom neeg uas ua rau nws muaj txiaj ntsig dav hauv kev lag luam. Cov yam ntxwv tseem ceeb suav nrog kev dawb uas tiv thaiv kev hloov pauv ntawm cov khoom siv kawg uas tsis muaj xim lossis pob tshab, kev ua kom zoo heev uas ua rau yooj yim shaping hauv cov kab ke semi-solid (xws li cov sealant pastes) yam tsis muaj kev tawg, kev ruaj khov tshuaj lom neeg uas tiv taus cov tshuaj reagents xws li resins, solvents thiab plasticizers, thiab kev sib txuas lamellar muaj zog uas ua rau kev ruaj khov ntawm cov mis thiab kev tiv thaiv kev sib sau ua ke. Cov yam ntxwv ntuj no, ua ke nrog cov thev naus laus zis ua tiav tau, tso cai rau nws koom ua ke rau hauv ntau yam kev lag luam yam tsis cuam tshuam cov haujlwm tseem ceeb ntawm cov ntaub ntawv hauv paus, ua haujlwm ua tus txhawb nqa kev ua haujlwm ntsiag to uas txhim kho cov khoom zoo.

Cov txheej txheem ua cov hmoov kaolin tau ua tib zoo tsim los qhib cov haujlwm tshwj xeeb rau ntau yam kev xav tau kev lag luam. Kev ntxuav, ua cov kauj ruam ntxuav kom huv, suav nrog kev tsoo cov hlau nyoos ua tej daim me me ua ntej, tom qab ntawd sib tov nrog dej kom ua cov slurry sib xws. Cov slurry no ces dhau los ntawm cov khoom siv sib cais centrifugal ceev ceev kom tshem tawm cov khoom tsis huv hnyav dua, cov nplej loj thiab cov organic contaminants - txoj kev no txhim kho kev huv thiab qhov loj me ntawm cov khoom me me zoo dua li kev sib cais lub ntiajteb txawj nqus, ua rau nws zoo tagnrho rau cov ntawv thov xim-rhiab xws li cov khoom yas sib dua. Calcining yog ib kauj ruam tseem ceeb rau kev txhim kho kev ua haujlwm kub siab: cov khoom me me raug cua sov hauv cov qhov cub kaw hauv qab qhov kub thiab txias tswj hwm kom tshem tawm cov dej noo sab hauv thiab cov khoom organic. Cov txheej txheem no ua rau muaj kev hloov pauv me me hauv cov qauv siv lead ua, hloov kaolin mus rau hauv metakaolin uas muaj zog dua, thermal stability thiab opacity - tseem ceeb rau cov xwm txheej kub siab xws li cov ntaub ntawv refractory. Kev hloov kho qhov chaw yog qhov tseem ceeb rau kev sib raug zoo nrog cov organic matrices: cov khoom me me raug coated nrog silane coupling agents hauv cov khoom sib xyaw ceev ceev, tsim ib txheej nyias nyias ntawm qhov chaw uas txhim kho kev sib txuas nrog polymers thiab resins. Kev hloov kho no zoo tiv thaiv cov khoom me me agglomeration thiab ua kom muaj zog ntxiv hauv cov ntaub ntawv sib xyaw. Txhua kauj ruam ua tiav raug hloov kho raws li qhov xav tau tshwj xeeb rau kev siv kawg, kom ntseeg tau tias hmoov kaolin ua tau zoo tshaj plaws hauv ntau yam kev lag luam.

Kev lag luam nplaum thiab sealant vam khom ntau rau cov hmoov kaolin los daws cov teeb meem tseem ceeb ntawm kev tsim cov tshuaj hauv kev lag luam. Nws kho qhov viscosity ntawm cov tshuaj nplaum kom raug rau qhov zoo tshaj plaws - tiv thaiv kev sagging lossis dripping thaum siv ntsug rau ntawm cov khoom siv kho tshuab (xws li cov khoom siv cav) thaum tswj hwm qhov du thiab zoo rau kev sib txuas cov yeeb nkab tsis sib xws (feem ntau hauv cov nroj tsuag tshuaj). Qhov loj me ntawm cov khoom me me thiab lub peev xwm ntawm cov tshuaj kaolin ua rau cov tshuaj sib xws thiab ruaj khov thaum lub sijhawm khaws cia ntev (txawm tias nyob hauv cov thoob kaw lossis cov raj yooj ywm), zam kev sib xyaw lossis kev faib ua pawg uas ua rau muaj zog sib txuas tsis sib xws. Hmoov kaolin txhim kho lub zog sib txuas los ntawm ob txoj hauv kev: nws cov khoom me me nkag mus tob rau hauv cov qhov me me thiab cov kab nrib pleb ntawm cov khoom siv - txawm tias hlau (hlau, txhuas), yas (polypropylene, PVC) lossis ntoo (plywood, ntoo khov kho) - tsim cov khoom siv sib txuas nruj; lub sijhawm ntawd, nws cov pab pawg ua haujlwm ntawm qhov chaw (tom qab hloov kho) tsim cov tshuaj sib txuas tsis muaj zog nrog cov khoom siv, sib koom ua ke tiv taus kev tev tawv, shearing thiab corrosion los ntawm cov tshuaj lom neeg hauv kev lag luam (xws li cov kuab tshuaj thiab cov kua qaub). Hauv cov sealant siv rau cov khoom siv tshuaj lom neeg (reactors, cov tank cia khoom), nws ua rau muaj kev tiv taus kub thiab kev ruaj khov ntawm tshuaj lom neeg, ua rau cov sealant tiv taus qhov chaw ua haujlwm hnyav (kub siab, roj corrosive) yam tsis tawg lossis poob elasticity, tiv thaiv cov khoom siv los ntawm kev xau thiab ua kom muaj kev nyab xeeb ntawm kev tsim khoom.

Cov khoom siv refractory suav tias kaolin hmoov muaj kev ruaj khov thermal zoo heev thiab muaj peev xwm tiv thaiv kev tawg ntau dua li lwm yam kev lag luam. Thaum sib xyaw nrog alumina thiab magnesia hauv qhov sib piv scientific (hloov kho raws li cov khoom siv tshwj xeeb), nws tsim cov khoom sib xyaw ua haujlwm siab rau kev tsim cov refractory castables thiab cov linings cub tawg - tsom mus rau cov khoom siv tseem ceeb xws li cov cub tawg iav (uas ua haujlwm ntawm qhov kub siab heev) thiab cov cement rotary kilns (raug hloov pauv kub ntau zaus). Cov khoom sib xyaw no, nrog rau kaolin hmoov ua lub hauv paus tseem ceeb, tuaj yeem khaws cov qauv ruaj khov txawm tias nyob hauv qhov kub heev, tsim cov teeb meem tiv thaiv uas tiv thaiv cov phab ntsa cub tawg los ntawm kev poob siab thermal hnyav (ua los ntawm qhov kub nce lossis poob sai sai) thiab xeb los ntawm cov pa phem (tso tawm thaum lub sijhawm yaj lossis calcining). Kaolin hmoov cov qauv lamellar tshwj xeeb puv qhov sib txawv me me ntawm cov khoom refractory loj, txhim kho qhov ceev ntawm cov khoom refractory thiab txo cov cua sov poob los ntawm cov cub tawg - pab cov tuam txhab txuag hluav taws xob. Qhov tseem ceeb tshaj plaws, nws cov yam ntxwv zoo tiv thaiv kev tawg tiv thaiv cov khoom tawg lossis tawg los ntawm kev rov ua dua kub, ua rau lub neej ua haujlwm ntawm cov refractory linings ntev dua thiab txo lub sijhawm txij nkawm thiab cov nqi hloov pauv rau cov chaw tsim khoom.

Kev lag luam yas siv cov hmoov kaolin ua cov khoom siv uas pheej yig thiab zoo dua los txhim kho kev ua tau zoo ntawm cov yas yooj yim. Thaum ntxiv rau polypropylene thiab polyethylene (cov yas siv dav dav), nws ua rau cov khoom yas ruaj khov dua - ua rau lawv tsim nyog rau kev tsim cov khoom siv hauv tsev (lub tub yees, tshuab ntxhua khaub ncaws) thiab cov yas profiles (qhov rooj thiab qhov rai). Nws kuj txhim kho kev tiv thaiv cua sov ntawm cov yas, ua rau lawv siv tau rau hauv kev tsim cov khoom siv hluav taws xob (uas tsim cua sov thaum lub sijhawm ua haujlwm) yam tsis muaj kev hloov pauv. Tsis tas li ntawd, hmoov kaolin ua rau cov yas ruaj khov dua, tiv thaiv kev khoov lossis ntsws tom qab molding - tseem ceeb rau cov khoom yas precision. Hmoov kaolin hloov kho saum npoo tuaj yeem tawg sib npaug hauv cov polymer matrices, tsim cov khoom sib txuas muaj zog uas ua rau muaj kev tiv thaiv kev cuam tshuam thaum tswj qhov du ntawm qhov chaw - tseem ceeb rau cov khoom lag luam uas rhiab heev (xws li cov khoom yas kho kom zoo nkauj). Qhov tseem ceeb, nws sib xws nrog cov txheej txheem extrusion thiab txhaj tshuaj molding uas twb muaj lawm, tso cai rau cov chaw tsim khoom siv cov khoom siv uas twb muaj lawm yam tsis muaj kev hloov kho ntxiv lossis cov nqi tsim khoom.

Kev lag luam cov ntaub ntawv sib xyaw siv cov hmoov kaolin los ua kom muaj kev ua tau zoo, tus nqi thiab qhov hnyav - peb qhov tseem ceeb hauv kev tsim khoom sib xyaw. Hauv cov khoom sib xyaw ua los ntawm cov fiber ntau siv rau cov hniav cua turbine (uas xav tau lub zog siab thiab qhov hnyav sib dua) thiab cov khoom siv hauv tsheb sib dua (tsom rau kev txo kev siv roj), hmoov kaolin ua haujlwm ua cov khoom ntim uas tsis tsuas yog ua kom muaj kev ruaj khov, kev tiv thaiv kev qaug zog thiab kev ruaj khov ntawm cov khoom sib xyaw xwb tab sis kuj txo qhov hnyav tag nrho. Nws tuaj yeem hloov ib feem ntawm cov carbon fiber kim lossis cov iav fiber hauv cov qauv sib xyaw, txo cov nqi tsim khoom ntau yam yam tsis muaj kev cuam tshuam rau lub zog ntawm cov qauv. Cov hmoov kaolin cov khoom zoo li phaj tuaj yeem sib phim nrog cov matrices sib xyaw thaum lub sijhawm ua tiav, tsim cov "lamellar reinforcement network" uas txhim kho kev faib tawm kev ntxhov siab - hloov cov zog sab nraud mus rau cov khoom fiber, tiv thaiv kev puas tsuaj hauv zos (xws li fiber tawg lossis matrix tawg) thiab txuas lub neej ua haujlwm ntawm cov khoom sib xyaw hauv qab lub sijhawm ntev cyclic loads (feem ntau hauv kev ua haujlwm cua turbine thiab kev tsav tsheb).

Kev lag luam hloov kho asphalt (ib daim ntawv thov tshiab uas txawv ntawm cov ntawv dhau los) zoo siab txais tos cov hmoov kaolin rau nws lub peev xwm tshwj xeeb los txhim kho kev ua tau zoo ntawm txoj kev. Thaum ntxiv rau cov khoom sib xyaw asphalt (cov khoom siv tseem ceeb rau kev tsim kho txoj kev), nws ua rau muaj kev ruaj khov ntawm asphalt hauv qhov kub siab, txo qhov kev pheej hmoo ntawm kev sib tsoo (tsim los ntawm kev tsheb coob) ntawm txoj kev hauv huab cua kub (xws li thaj chaw sov lossis thaj chaw sov). Nws cov qauv lamellar tuaj yeem tsim cov network tiv thaiv ntom ntom hauv asphalt, txhim kho kev ua tau zoo tiv thaiv kev laus (tiv taus kev oxidation los ntawm lub hnub ci thiab huab cua) thiab kev tiv thaiv dej (tiv thaiv dej kom tsis txhob nkag mus rau hauv cov txheej txoj kev) - ntev lub neej kev pabcuam ntawm txoj kev. Cov hmoov kaolin kuj tseem kho qhov viscosity asphalt mus rau qhov zoo tshaj plaws, ua kom zoo dua kev ua haujlwm ntawm kev tsim kho (ua rau nws yooj yim dua rau kev paving thiab compact) yam tsis cuam tshuam rau qhov kawg ntawm qhov nyuaj ntawm txoj kev. Daim ntawv thov no siv dav hauv kev tsim kho txoj kev loj thiab hauv nroog, tshwj xeeb tshaj yog hauv cov haujlwm tseem ceeb uas xav tau kev ruaj khov siab (xws li kev loj thiab tshav dav hlau khiav), ua tau raws li qhov xav tau rau kev thauj mus los txhim khu kev qha thiab ntev.