Dab tsi yuav tsum paub txog titanium daim txhuam cev
Titanium daim txhuam cev yog ib qho tseem ceeb raw khoom siv nyob rau hauv zus tau tej cov titanium alloys thiab lwm yam titanium khoom. Yog li cas titanium daim txhuam cev tsim? Nov yog ib qho lus piav qhia luv luv:
1. Yuav ua li cas yog titanium daim txhuam cev ua:
Refining titanium ore: Kev tsim cov titanium daim txhuam cev feem ntau pib los ntawm titanium ore (xws li ilmenite, rutile ore, thiab lwm yam). Ua ntej, cov titanium ore tau txais cov txiaj ntsig zoo ntawm cov ore thiab crushing kom rho tawm qib siab titanium ore.
Chloride leaching: Titanium ore feem ntau muaj oxides thiab me me, yog li nws yuav tsum tau leached los ntawm chloride kom rho tawm titanium. Nyob rau hauv cov kauj ruam no, cov ore reacts nrog chlorine gas los tsim titanium chloride gas (TiCl4).
Titanium chloride gas purification: Titanium chloride gas yuav tsum tau purified kom ua tiav nws lub hom phiaj. Cov thev naus laus zis xws li condensation thiab kev txhim kho feem ntau yog siv los ntxuav cov titanium chloride gas.
Tiam sis txo cov titanium daim txhuam cev: Cov purified titanium chloride gas reacts nrog ntshiab magnesium hmoov los yog lwm yam khoom ntawm kub kub los tsim titanium daim txhuam cev. Nyob rau hauv cov kauj ruam no, titanium daim txhuam cev yog tsim nyob rau hauv hmoov los yog thaiv daim ntawv.
Kev ua cov titanium daim txhuam cev: Titanium daim txhuam cev feem ntau yog tsim los ntawm me me thiab yuav tsum tau ua ntxiv, xws li oxidation, impurity tshem tawm, refining, thiab lwm yam, kom ua tau raws li qhov yuav tsum tau ua ntawm titanium daim txhuam cev.
2. Titanium daim txhuam cev ua cov txheej txheem:
⑴ Cov txheej txheem chlorination. Titanium tetrachloride yog cov khoom siv tseem ceeb rau kev tsim cov titanium daim txhuam cev. Tam sim no, muaj peb txoj kev npaj tseem ceeb: boiling chlorination, molten ntsev chlorination thiab ncej rauv chlorination.
Txoj kev boiling chlorination tam sim no yog txoj hauv kev tseem ceeb rau kev tsim cov titanium tetrachloride. Boiling chlorination yog ib txoj hauv kev uas siv cov khoom zoo-grained titanium-nplua nuj thiab cov khoom carbonaceous (petroleum coke) txo tus neeg sawv cev los ua cov tshuaj chlorination hauv lub xeev fluidized nyob rau hauv qhov kev txiav txim siab kub thiab chlorine gas ntws los tsim titanium tetrachloride. Tom qab ntau xyoo ntawm kev tshawb fawb thiab kev loj hlob, txoj kev no muaj cov txheej txheem tsim khoom loj thiab tau siv dav hauv tsev thiab txawv teb chaws.
Molten ntsev chlorination yog ib txoj hauv kev npaj titanium tetrachloride los ntawm kev tshem tawm cov av titanium slag los yog rutile thiab roj av coke hauv cov ntsev ntsev (cov khoom tseem ceeb yog KCl, NaCl, MgCl2 thiab CaCl2) nruab nrab, thiab dhau hauv cov roj chlorine.
Lub qhov cub hluav taws xob chlorination suav nrog kev sib tsoo titanium chloride slag (los yog rutile) thiab roj av coke, ntxiv cov ntawv khi, sib tov rau hauv cov khoom siv briquettes, thiab tom qab ntawd coking lawv. Qhov tshwm sim briquettes yog stacked nyob rau hauv ntsug chlorination rauv. Cov txheej txheem ntawm reacting nrog chlorine gas nyob rau hauv cov khoom txheej hauv lub xeev los tsim titanium tetrachloride kuj hu ua tsau txheej chlorination los yog pellet chlorination. Txoj kev no tau raug tshem tawm hauv paus vim qhov tso zis tsawg thiab cov khoom tsis zoo.
⑵ Refining txheej txheem
Kev ua kom zoo thiab ua kom huv ntawm titanium tetrachloride feem ntau suav nrog kev siv cov distillation kom tshem tawm cov dej kub npau npau thiab cov dej npau npau qis, thiab siv cov txheej txheem tshuaj los tshem tawm cov tshuaj vanadium impurities.
Rau cov distillation ntawm titanium tetroxide, kuv lub teb chaws tau ntev siv lub siab-efficiency ntab valve distillation ntauwd, thiab cov nyhuv yog zoo heev.
Raws li rau txoj kev tshem tawm vanadium, tooj liab tau siv los tshem tawm vanadium yav dhau los. Txawm li cas los xij, muaj teeb meem xws li kev siv tooj liab loj, tus nqi siab, thiab kev siv zog ua haujlwm siab. Txoj kev no tam sim no tau maj mam tshem tawm. Kev tshem tawm Vanadium los ntawm txhuas hmoov yog ib txoj hauv kev zoo dua nrog tus nqi qis thiab tsis muaj dej pov tseg. Lub vanadium tshem tawm slag kuj tseem siv tau los extract vanadium, uas tau nce qib hauv Suav teb.
⑶ Txo-distillation txheej txheem
Txoj kev txo qis-distillation yog siv los tsim cov titanium daim txhuam cev. Muaj ob txoj kev siv ua ke ua ke: "I-hom kev sib xyaw ua ke" thiab "∩-hom kev sib xyaw ua ke". I-type joint method tseem hu ua series txoj kev, thiab ∩-type joint method kuj hu ua parallel method. Ob txoj kev muaj lawv qhov tshwj xeeb zoo thiab siv nyob rau hauv peb lub teb chaws.
⑷ Electrolytic magnesium txheej txheem
Tam sim no, cov chaw ua haujlwm txawv teb chaws titanium daim txhuam cev tau siv dav siv ntau cov polar electrolyzers thiab cov khoom sib cais tsis muaj magnesium electrolyzers. Txawm li cas los xij, kev siv tshuab electrolytic magnesium hauv tsev yog qhov rov qab, ua rau muaj zog thiab siv tshuaj chlorine hauv kev tsim cov titanium daim txhuam cev. Yog li ntawd, nyob rau hauv xyoo tas los no, cov chaw tsim khoom tshiab hauv tsev tau txais cov txheej txheem loj ntawm ntau tus ncej electrolyzers thiab cov khoom sib cais tsis muaj magnesium electrolyzers, thiab cov tshuab tsim tau zoo heev.
Tam sim no, kuv lub teb chaws titanium sponge ntau lawm muaj peev xwm nyob rau hauv lub ntiaj teb no. Txawm li cas los xij, piv nrog rau qib siab thoob ntiaj teb, tseem muaj qee qhov sib txawv hauv kev tsim khoom, cov cuab yeej tsim khoom thiab cov khoom zoo. Txoj haujlwm tiag tiag kom ncav cuag qib siab thoob ntiaj teb tseem nyuaj heev.
