1. Tub ntxhais kawm sib txawv
Corrosion Kuj
Monel Alloy: Raws li Nickel-Tooj-Tooj-COPOY (xws li monelflofluoric acid, ntawm cov dej hiav txwv thiab cov dej hiav txwv tshwj xeeb. Nws muaj qhov tseem ceeb tsis kam mus rau hydrogen embrittlement thiab yog qhov haum rau kev hloov kho alkylation alkylation thiab cov roj av uas muaj cov xwm txheej; Stainless hlau (xws li 316): Stainless hlau muaj molybdenum (2-3%) tau tsim nyog rau cov tshuaj uas dav thiab cov pa dej hiav txwv
Cov Khoom Siv Neeg Kho Tshuab
Monel Alloy: Nws muaj ob lub zog siab thiab ductility (tensile lub zog ntau dua lossis sib npaug nrog 540), thiab muaj sib npaug li 540 degree) thiab muaj kev ntxhov siab ntau dua;
Stainless hlau (316): Tus qauv Austenic muab kev ua tau zoo thiab kev ua haujlwm ruaj khov (xws li niobium) yuav tsum tau ntxiv los txhim kho kom txhim kho qhov kub tsis kam.
Kev lag luam efficiency
Monel Alloy: cov khoom siv raw thiab cov nqi khoom siv yog qhov siab dua (cov nqi ntawm cov npib tsib xee yog li ntawm 3-5 zaug uas tsis pom zoo rau cov mob corrosion loj;
Stainless hlau (316): Tus nqi yog qhov nruab nrab, haum rau nruab nrab thiab cov kab mob qis ntawm cov teeb meem ntawm corrosion, thiab tus nqi-ua tau zoo tau txais txiaj ntsig zoo.
2. Cov ntaub ntawv raug cai
Cov kev xaiv los ntawm kev ua haujlwm rau Monel Alloy
Hydrofluoric acid (HF) kev hloov dua siab ntauwd (kub ntau dua lossis sib npaug rau 149 degree, nruab nrab muaj hf acid thiab dej vapor);
Kev sib sib zog nqus-hiav txwv roj thiab cov roj extraction (dej hiav txwv corrosion + hydrogen sulfide ib puag ncig);
Refinery catalyst system (muaj cov kev xav ntawm chloride ions thiab acidic nruab nrab).
Cov kev xaiv los ntawm kev ua haujlwm rau cov hlau stainless
Cov tshuaj lom neeg tshuaj lom neeg siv hluav taws xob (muaj cov kua qaub tsis muaj zog, alkalis lossis chlorides, kub tsawg dua lossis sib luag rau 200 degree);
Kev lag luam khoom noj thiab tshuaj lag luam (yuav tsum tau mus tu cov qauv kev nyiam huv);
Nuclear zog cua txias zog (316L stainless hlau yog tsim nyog rau kev muaj hluav taws xob hluav taws xob).
3. Xaiv cov lus pom zoo
Corrosive Media Hom
Muaj hydrogen sulfide lossis hydrofluoric acid: monel alloy (monel 400 / K500) yog qhov yuav tsum tau;
Muaj cov chloride ions tab sis tsis muaj zog acid: 316 stainless hlau yog nyiam (ntau dua kev lag luam).
Kub thiab siab tsis txhob
Kev kub siab thiab muaj kev kub siab (xws li 250℃/ chav kawm 600 thiab siab dua (xws li Monel K500 muaj qhov kub tsis kam ntawm 540 degree);
Nruab nrab thiab qis kub thiab nruab nrab siab (xws li 150℃/ chav kawm 300 thiab hauv qab): 316 Stainless tau ua tau zoo thiab muaj tus nqi qis dua.
Kev Txij Nkawm thiab Kev Ua Haujlwm Neej
Lub neej ntawm Monel li qub tuaj yeem ncav 2-3 lub sij hawm uas ntawm stainless hlau, tab sis tus txij nkawm yog siab (yuav tsum tau rov qab mus rau lub Hoobkas kom rov plating ntawm cov chaw sib khi);
Stainless hlau li qub txhawb nqa on-siintrement ntawm valve cores (tooj liab lossis stainless hlau valve zaum modular tsim qauv).
Lub ntsiab
Monel alloy li qub: thawj qhov kev xaiv rau cov huab ib puag ncig uas muaj huab, ua tau zoo heev tab sis kim; Stainless hlau li qub: tus nqi zoo tshaj plaws-ua kom zoo rau cov kev ua haujlwm ntawm cov haujlwm, thiab dav dav dav.
Kev txiav txim siab: nws yog ib qho tsim nyog los ua ke ntawm kev corrosiveness ntawm nruab nrab, qhov kub thiab siab siv nyiaj txiag ntawm lub neej lub neej.