G30 steel siv rau dab tsi?
Cov npe hauv qab no yog qee qhov kev siv ntawm Hastelloy hlau:
1. Hauv ob sab phlu
Hastelloy C-276 thiab C-22 feem ntau yog siv los ua cov ntaub ntawv rau cov khoom siv tshuaj xws li reactors, tanks thiab heat exchangers. Cov hnab looj tes no muaj txiaj ntsig tshwj xeeb hauv ib puag ncig uas muaj cov tshuaj tiv thaiv zoo heev xws li acids, chlorides lossis sulfur compounds. Los ntawm txheej txheej sab hauv, Hastelloy muaj kev tiv thaiv zoo heev rau corrosion thiab oxidation, tiv thaiv cov cuab yeej los ntawm kev puas tsuaj.
Txoj hauv kev no yog tus nqi zoo vim tias nws siv cov khoom tiv thaiv corrosion ntawm Hastelloy siab yam tsis tas yuav tsim tag nrho cov cuab yeej tawm ntawm nws. Tsis tas li ntawd, Hastelloy hauv ob sab phlu tuaj yeem siv los kho cov khoom siv uas twb muaj lawm, txhim kho nws cov kev tiv thaiv corrosion thiab txuas ntxiv nws lub neej kev pab cuam, ua rau nws muaj txiaj ntsig zoo rau kev lag luam tshuaj thiab petrochemical.
2. Lub nkoj siab
Cov hlab ntsha siab nyob rau hauv cov tshuaj, petrochemical thiab kev lag luam kev lag luam yog siv los ntim thiab tswj cov kua dej thiab cov pa hauv lub siab. Cov ntim khoom no yog qhov tseem ceeb rau ntau yam txheej txheem, suav nrog kev khaws cia cov pa roj hauv lub siab, tiv thaiv cov kua dej tsis haum ntawm evaporating los ntawm kev siv lub siab mus rau qhov chaw vapor, thiab khaws cov khoom nyob rau hauv cov kua hauv lub xeev uas yuav txwv tsis pub nyob rau hauv lub xeev gaseous raws li ib txwm muaj.
Hauv kev ua tshuaj lom neeg, cov hlab ntsha siab ua lub luag haujlwm tseem ceeb hauv cov txheej txheem tshuaj tiv thaiv, txheej txheem sib cais thiab khaws cia. Lawv tau tsim los ua haujlwm kom nyab xeeb ntawm qhov tshwj xeeb thiab qhov kub thiab txias, nyob ntawm qhov xwm txheej ntawm cov khoom uas lawv muaj. Kev tsim thiab xaiv cov khoom siv ntawm cov hlab ntsha no yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb, ua haujlwm tau zoo thiab siv tau ntev, tshwj xeeb tshaj yog thaum tuav cov khoom corrosive lossis volatile. Hastelloy yog qhov tsis tshua muaj corrosion-resistant thiab tuaj yeem siv los tsim cov hlab ntsha siab rau cov kua dej corrosive no thiab tuaj yeem nyob tau ntau xyoo nrog kev saib xyuas kom raug. Lub durability thiab kev pab lub neej ntev ntawm Hastelloy siab hlab ntsha ua rau lawv tus nqi zoo thoob plaws hauv lawv lub neej ua haujlwm. Hastelloy C-276 thiab Hastelloy B-3 feem ntau yog siv hauv cov hlab ntsha siab.
3. Turbine combustion chamber
Lub turbine combustor lossis combustor yog cov khoom siv hauv lub cav roj turbine qhov twg combustion tshwm sim. Cov chav combustion no raug rau qhov kub thiab txias thiab cuam tshuam ntawm cov roj corrosive heev. Hastelloy X feem ntau yog siv nyob rau hauv lub turbine combustors ntawm cov roj turbine xyaw vim nws muaj zog heev ntawm qhov kub thiab txias thiab muaj zoo heev corrosion kuj. Nws kuj tseem muaj kev tiv thaiv zoo rau oxidation hauv qhov kub thiab txias. Qhov no ua rau nws zoo tagnrho rau tuav qhov kub thiab txias thiab corrosive tej yam kev mob ntawm cov cav tov. Cov yam ntxwv no pab ua kom nws ruaj khov, tshwj xeeb tshaj yog thaum nws siv hauv cov khoom tsim tau zoo. Thaum cov kws tsim khoom siv Hastelloy kom raug hauv lawv cov qauv tsim, nws yuav pab xyuas kom meej tias cov khoom ntawm lub cav no tuaj yeem tiv taus qhov kub thiab txias thiab cov roj corrosive uas lawv raug thiab kav ntev.
4. Cov kav dej lossis cov li qub
Cov kav dej thiab cov li qub yog ib feem ntawm cov cuab yeej siv hauv txhua qhov kev lag luam petrochemical thiab tshuaj ua haujlwm. Ntau cov tshuaj thauj mus los ntawm cov kav dej no yog corrosive heev. Hastelloy yeeb nkab muaj kev tiv thaiv corrosion siab thiab ua haujlwm zoo heev, ua rau nws zoo tagnrho rau kev nyab xeeb thauj thiab tswj cov dej ntws ntawm cov tshuaj corrosive. Piv txwv li, Hastelloy C-276 feem ntau yog siv hauv cov ntawv thov no.
Hastelloy C-276 yog tshwj xeeb tshaj yog haum rau tuav ntau yam tshuaj corrosive vim nws zoo heev tsis kam rau pitting, crevice corrosion thiab kev nyuaj siab corrosion cracking. Cov hlau tsis sib xws, suav nrog npib tsib xee, molybdenum thiab chromium, muab kev ua haujlwm zoo nyob rau hauv ib puag ncig uas lwm cov ntaub ntawv yuav ua tsis tau, xws li muaj cov chlorides, sulfur compounds thiab acidic media.
