Kev npaj txheej txheem thiab kev tsim kho tshiab ntawm Aluminium Oxide hmoov
Thaum nws los txogalumina hmoov, ntau tus neeg yuav xav tias tsis paub txog nws. Tab sis thaum nws los txog rau lub xov tooj ntawm tes cov ntxaij vab tshaus peb siv txhua hnub, ceramic coatings nyob rau hauv high-ceev tsheb ciav hlau carriages, thiab txawm lub tshav kub rwb thaiv tsev vuas ntawm qhov chaw shuttles, lub xub ntiag ntawm no dawb hmoov yog indispensable tom qab cov high-tech khoom. Raws li "cov khoom siv thoob ntiaj teb" hauv kev lag luam, cov txheej txheem kev npaj ntawm txhuas oxide hmoov tau dhau los ua kev hloov pauv hauv ntiaj teb-tshaj xyoo dhau los. Tus sau ib zaug ua haujlwm hauv ib qhoaluminacov tuam txhab tsim khoom tau ntau xyoo thiab pom nrog nws tus kheej ob lub qhov muag thev naus laus zis dhia ntawm qhov kev lag luam no los ntawm "tseem ceeb steelmaking" mus rau kev tsim khoom ntse.
I. "Peb Axes" ntawm Kev Ua Yeeb Yam
Hauv kev cob qhia alumina npaj, cov kws paub txog kev paub feem ntau hais tias, "Yuav kom koom nrog hauv kev tsim khoom alumina, ib tus yuav tsum paub peb cov kev txawj ntse tseem ceeb." Qhov no yog hais txog peb cov txheej txheem ib txwm muaj: txheej txheem Bayer, txheej txheem sintering thiab txheej txheem ua ke. Cov txheej txheem Bayer zoo li stewing pob txha nyob rau hauv lub siab cooker, qhov twg cov alumina nyob rau hauv bauxite dissolves nyob rau hauv ib tug alkaline tov los ntawm kub thiab siab. Nyob rau hauv 2018, thaum peb tau debugging cov tshiab ntau lawm kab nyob rau hauv Yunnan, vim lub siab tswj kev sib txawv ntawm 0.5MPa, lub crystallization ntawm tag nrho cov lauj kaub ntawm slurry ua tsis tau tejyam, ua rau ib tug ncaj qha poob ntawm ntau tshaj 200,000 yuan.
Txoj kev sintering yog ntau dua li cov neeg nyob rau sab qaum teb ua noodles. Nws yuav tsum tau bauxite thiab limestone yuav tsum tau "sib xyaw" nyob rau hauv kev faib ua feem thiab ces "ci" ntawm kub kub nyob rau hauv ib tug teb kiln. Nco ntsoov tias Master Zhang nyob rau hauv lub rhiav muaj ib tug tshwj xeeb kev txawj ntse. Tsuas yog los ntawm kev soj ntsuam cov xim ntawm cov nplaim taws, nws tuaj yeem txiav txim siab qhov ntsuas kub hauv qhov cub nrog qhov yuam kev tsis tshaj 10 ℃. Qhov "folk method" ntawm kev paub ntau ntxiv tsis tau hloov los ntawm infrared thermal imaging systems txog rau xyoo tas los.
Txoj kev sib xyaw ua ke ua ke cov yam ntxwv ntawm ob lub qub qub. Piv txwv li, thaum ua lub lauj kaub kub yin-yang, ob qho tib si acidic thiab alkaline txoj kev yog ua tiav ib txhij. Cov txheej txheem no tshwj xeeb tshaj yog tsim rau kev ua cov ore qib qis. Ib qho kev lag luam hauv Shanxi Xeev tau tswj kom nce kev siv cov ntshiv ore nrog cov txhuas-silicon piv ntawm 2.5 los ntawm 40% los ntawm kev txhim kho cov txheej txheem ua ke.
Ii. Txoj Kev Hla DhauTechnology Innovation
Qhov teeb meem kev siv hluav taws xob ntawm cov khoom siv tes ua ib txwm ua tau ib qho kev mob siab rau hauv kev lag luam. Kev lag luam cov ntaub ntawv los ntawm 2016 qhia tau hais tias qhov nruab nrab hluav taws xob noj ib tuj ntawm alumina yog 1,350 kilowatt-teev, sib npaug rau cov hluav taws xob noj ntawm ib tsev neeg rau ib nrab xyoo. Lub "kub-kub dissolution technology" tsim los ntawm ib lub lag luam, los ntawm kev ntxiv cov catalysts tshwj xeeb, txo cov tshuaj tiv thaiv kub ntawm 280 ℃ mus rau 220 ℃. Qhov no ib leeg txuag 30% ntawm lub zog.
Cov khoom siv txaj fluidized kuv pom nyob rau hauv ib lub Hoobkas hauv Shandong kiag li tig kuv qhov kev xav. Qhov tsib-zaj dab neeg-siab "steel giant" no khaws cov hmoov ntxhia hauv lub xeev raug tshem tawm los ntawm cov pa roj, txo cov sij hawm cov tshuaj tiv thaiv los ntawm 6 teev hauv cov txheej txheem ib txwm ua rau 40 feeb. Qhov zoo tshaj plaws yog nws cov kev tswj hwm ntse, uas tuaj yeem kho cov txheej txheem tsis raws sijhawm raws li tus kws kho mob suav tshuaj noj mem tes.
Nyob rau hauv cov nqe lus ntawm ntsuab ntau lawm, kev lag luam yog staging ib tug zoo kawg nkaus qhia ntawm "tig pov tseg rau hauv cov khoom muaj nqis". Cov av nkos liab, ib zaug muaj teeb meem pov tseg, tam sim no tuaj yeem ua rau hauv ceramics fibers thiab cov ntaub ntawv hauv kev. Xyoo tas los, qhov kev ua yeeb yam tau mus xyuas hauv Guangxi txawm ua cov khoom siv hluav taws xob hauv tsev los ntawm cov av nkos liab, thiab cov nqi lag luam yog 15% siab dua li cov khoom lag luam ib txwm muaj.
Iii. Infinite possibilities rau kev txhim kho yav tom ntej
Kev npaj ntawm nano-alumina tuaj yeem suav tias yog "micro-sculpture art" hauv cov khoom siv. Cov khoom siv ziab khaub ncaws supercritical pom hauv chav kuaj tuaj yeem tswj kev loj hlob ntawm cov khoom ntawm qib molecular, thiab cov nano-hmoov ua tau zoo dua li paj ntoos. Cov khoom no, thaum siv hauv lithium roj teeb cais, tuaj yeem ua ob npaug rau lub roj teeb lub neej.
Microwavesintering thev naus laus zis ua rau kuv nco txog lub qhov cub microwave hauv tsev. Qhov txawv yog tias cov khoom siv microwave qib muaj peev xwm ua kom sov cov ntaub ntawv mus rau 1600 ℃ hauv 3 feeb, thiab lawv lub zog siv tsuas yog ib feem peb ntawm cov khoom siv hluav taws xob. Txawm zoo dua, txoj kev cua sov no tuaj yeem txhim kho microstructure ntawm cov khoom. Cov alumina ceramics ua los ntawm qee cov tub rog kev lag luam nrog nws muaj qhov hardness piv rau cov pob zeb diamond.
Qhov kev hloov pauv pom tseeb tshaj plaws los ntawm kev hloov pauv ntse yog qhov screen loj hauv chav tswj. Nees nkaum xyoo dhau los, cov neeg ua haujlwm txawj txav ib ncig ntawm chav tsev nrog cov ntaub ntawv sau tseg. Tam sim no, cov tub ntxhais hluas tuaj yeem ua tiav tag nrho cov txheej txheem saib xyuas nrog ob peb clicks ntawm nas. Tab sis qhov nthuav, cov txheej txheem laus tshaj plaws tau hloov pauv los ua "cov kws qhia ntawv" ntawm AI system, xav tau hloov pauv ntau xyoo dhau los rau hauv algorithmic logic.
Kev hloov pauv ntawm ore mus rau high-purity alumina tsis yog tsuas yog kev txhais lus ntawm lub cev thiab tshuaj lom neeg tab sis kuj yog crystallization ntawm tib neeg kev txawj ntse. Thaum 5G cov chaw tsim khoom ntse ua tau raws li "kev xav tau ntawm tes" ntawm cov kws txawj ua haujlwm, thiab thaum nanotechnology sib tham nrog cov tsoos kilns, qhov kev hloov kho thev naus laus zis no nyob rau ib puas xyoo dhau los. Tej zaum, raws li qhov tseeb kev lag luam ntawv dawb tau kwv yees, tiam tom ntej ntawm alumina ntau lawm yuav txav mus rau "kev tsim khoom qib atomic". Txawm li cas los xij, tsis muaj teeb meem li cas thev naus laus zis leaps, daws cov kev xav tau thiab tsim kom muaj nuj nqis tiag tiag yog qhov chaw nyob mus ib txhis ntawm kev tsim kho thev naus laus zis.