Hauv kev lag luam tshuaj, txoj hmoo ntawm cov cuab yeej yuav luag txiav txim siab los ntawm cov ntaub ntawv nws xaiv los ntawm qhov pib. Lub complex thiab hnyav ua hauj lwm tej yam kev mob ntawm muaj zog acid, muaj zog alkali, high chlorine, siab siab, thiab kub kub yog zoo li ib tug siab - lub zog soj ntsuam net, ua rau nws nyuaj rau ntau yam khoom siv hlau ib txwm tiv taus. Thiab titanium cov ntaub ntawv, tshwj xeeb tshaj yog cov siv nyob rau hauv daim ntawv ntawm rods rau ntau yam tseem ceeb dynamic thiab static Cheebtsam, yog nce los ua ib tug "txoj kev xaiv" los xyuas kom meej ntau lawm continuation thiab kev ruaj ntseg, ua tsaug rau lawv stability ntawm "teb rau kev hloov nrog stability".
Qhov tshwj xeeb ntawm kev lag luam tshuaj yog tias corrosion feem ntau tsis tshwm sim uniformly. Ntawm qhov kev sib txuas ntawm lub twj tso kua mis valve ncej, agitator hniav, thiab flange, cov khoom siv tsis yog tsuas yog yuav tsum tau tiv thaiv cov tshuaj yaig ntawm qhov nruab nrab, tab sis kuj yuav tsum tau tiv nrog cov neeg kho tshuab kev nyuaj siab, yaig hnav, thiab txawm tias thermal stress tshwm sim los ntawm qhov kub thiab txias. Titanium rods nthuav tawm qhov tshwj xeeb zoo ntawm cov ntsiab lus tseem ceeb no vim lawv cov qauv ntom ntom forged lossis dov tag nrho.
Rau ib puag ncig corrosive heev, muaj ntshiab titanium (ASTM Qib 2) pas nrig yog lub hauv paus pob zeb.
Tus nqi ntawm Qib 2 titanium rods yog nyob rau hauv kev tsim ib qho tshiab 'kev ua tau zoo hauv paus'. Hauv cov roj chlorine ntub dej, cov tshuaj chloride, oxidizing acids (xws li nitric acid), thiab ntau cov organic media, titanium dioxide passivation zaj duab xis tsim rau ntawm nws qhov chaw yog qhov ruaj khov thiab tuaj yeem tiv taus pitting corrosion, crevice corrosion, thiab kev ntxhov siab corrosion cracking - uas yog cov feem ntau thiab txaus ntshai cov ntaub ntawv ntawm corrosion uas ua rau stainless hlau tsis ua hauj lwm. Piv txwv li, Qib 2 titanium rods siv los ua lub twj tso kua mis thiab lub valve stems hauv kev lag luam chlor alkali feem ntau muaj kev pab cuam lub neej uas ntau dua 5 npaug ntawm cov khoom zoo sib xws stainless hlau. Qhov kev pab cuam lub neej ntev ntev no tsis tsuas yog txo cov nqi ntawm cov khoom siv hloov pauv, tab sis qhov tseem ceeb tshaj, zam kev kaw tsis tau npaj los ntawm kev ua tsis tiav ntawm cov khoom tseem ceeb. Tus nqi ntawm kev tsim khoom txuas ntxiv nws coj deb tshaj qhov sib txawv ntawm cov khoom siv.
Thaum lub zog ntawm cov qauv ua lub hauv paus caj dab, Qib 5 (Ti-6Al-4V) titanium rods tshwm.
Cov khoom siv tshuaj tsis yog cov ntim khoom zoo li qub. Lub nplawm ncej ntawm cov reactors loj, lub raj pob txhawb nqa pas nrig ntawm siab - siab kub exchangers, thiab lub nruas ncej ntawm siab -ceev centrifuges yuav tsum tau tiv taus qhov tseem ceeb torsional, dabtsi yog khoov, los yog tensile loads nyob rau hauv corrosive ib puag ncig. Nyob rau theem no, Qib 2 ntshiab titanium yuav zoo li tsis muaj zog. Lub zog tensile ntawm Qib 5 Ti alloy pas nrig yog ntau tshaj 2.5 npaug ntawm Qib 2, thiab ua tsaug rau nws lub zog tshwj xeeb, cov neeg tsim qauv tuaj yeem txo qhov ntev ntawm cov khoom thiab tau txais cov qauv kev sib txuas ntau dua yam tsis muaj kev cuam tshuam txog kev nyab xeeb. Qhov tseem ceeb tshaj, tsis tsuas yog Qib 5 khaws zoo corrosion kuj, nws kuj muaj superior qaug zog thiab creep tsis kam uas txhais tau hais tias ib tug ntau yam tseem ceeb kev nyab xeeb bearing rau txav qhov chaw uas raug rau cyclic loads thiab / los yog siab kub rau lub sij hawm ntev.
Tshaj tawm los tiv thaiv-corrosion: ib qho kev xav tau los ua kom muaj kev huv huv ntawm cov txheej txheem.
Hauv thaj chaw ntawm cov tshuaj zoo, tshuaj, thiab cov khoom siv hluav taws xob siab -purity purity, tej impurities tso tawm los ntawm cov ntaub ntawv yuav kis tau cov khoom thiab ua rau tag nrho cov batch raug muab pov tseg. Lwm qhov txiaj ntsig zoo ntawm cov khoom siv titanium yog qhov tseem ceeb ntawm no: nws tsim cov khoom siv corrosion tsawg heev, thiab oxide zaj duab xis tsim rau saum npoo yog ntom thiab muaj zog adhesion, ua rau nws nyuaj rau tev tawm thiab ua cov khoom hauv cov khoom. Lub nplawm ncej thiab txuas pas nrig ua los ntawm titanium pas nrig tuaj yeem tswj tau qhov chaw du txawm tias tom qab ua haujlwm ntev -, txo qhov kev pheej hmoo ntawm cov khoom degradation los ntawm cov hlau ion paug lossis cov khoom siv txawv teb chaws. Qhov kev lees paub ntawm cov txheej txheem purity tsis tuaj yeem ntsuas los ntawm kev tiv thaiv yooj yim - tus nqi corrosion.
Xam tag nrho lub neej kev khwv nyiaj txiag.
Tus nqi ntawm titanium rods yuav tsum tsis txhob txwv rau tus nqi ntawm kev yuav khoom ib leeg. Nws yog "tag nrho lub neej kev lag luam nyiaj txiag" uas yuav tsum tau muab xam kom meej: cov nqi pib cov khoom ntau dua ua rau muaj kev saib xyuas tsawg kawg nkaus, yuav luag tsis muaj kev pheej hmoo ntawm kev sib tsoo, thiab nce kev tsim khoom thiab kev siv lub peev xwm vim yog kev ua haujlwm ntev - khoom siv. Hauv ntau qhov loj - cov nroj tsuag tshuaj nrog kev tsim khoom tas mus li, qhov poob los ntawm kev kaw tsis tau npaj yuav txaus los npog cov peev txheej hauv kev txhim kho tag nrho cov cuab yeej tseem ceeb rau cov ntaub ntawv titanium. Yog li ntawd, kev tso titanium rods ua "cov ntaub ntawv tsim nyog" yog raws li lawv lub luag haujlwm txhawb nqa hauv lub sijhawm ntev -, ruaj khov, thiab kev nyab xeeb ntawm kev tsim khoom.
Kev xaiv cov titanium rods tsis yog tsuas yog xaiv cov khoom siv xwb, tab sis kuj yog hais txog kev xaiv tus nqi engineering uas tsom mus rau lub sijhawm ntev - kev ntseeg siab. Nws xav kom cov neeg tsim qauv ua txhaum tawm ntawm cov kev txwv ntawm cov nqi pib thiab tshuaj xyuas qhov tseeb rov qab los ntawm kev nqis peev los ntawm kev ua kom zoo thiab ntev - lub sijhawm pom, txhawm rau ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo thoob plaws tag nrho lub neej ntawm cov nroj tsuag tshuaj.
Thov ib daim Quote
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