Nyob rau hauv cov nroj tsuag tshuaj ib puag ncig los ntawm cov xov xwm corrosive heev xws li caustic soda, chlorine, hydrochloric acid, thiab brine, cov khoom siv corrosion, leaks, luv luv kev pab cuam lub neej, thiab siab zog noj tau ntev yog cov teeb meem loj rau kev lag luam. Ua tsaug rau lawv cov txiaj ntsig zoo -nrog rau kev tiv thaiv corrosion tshwj xeeb, lub teeb yuag tsis tau muaj zog, lub neej ua haujlwm ntev, thiab cov nqi qis ua haujlwm thiab kev saib xyuas-titanium thiab titanium alloystau hloov zuj zus los ntawm "siab- cov ntaub ntawv kawg" mus rau cov qauv tseem ceeb hauv kev lag luam tshuaj, tshwj xeeb tshaj yog nyob rau hauv chlor-alkali sector, muab lub hauv paus rau lub sijhawm ntev -, kev ua haujlwm ruaj khov ntawm cov chaw.
I. Vim li cas Titanium?
Lub Ntsiab Tseem Ceeb Tom Qab "Tus Vaj Ntxwv ntawm Corrosion Resistance" Titanium's "superior corrosion resistance" stems los ntawm qhov ntom ntom, nws tus kheej- kho nanoscale TiO₂ passivation zaj duab xis uas tsim tam sim ntawm nws qhov chaw, ua kom ruaj khov zoo li pob zeb hauv feem ntau ntawm chloride, ntsev, thiab oxidizing ib puag ncig. • Nyob rau hauv ib puag ncig corrosive heev xws li ntub dej chlorine gas, saturated brine, caustic soda, thiab hypochlorites, nws corrosion resistance deb tshaj ntawm stainless hlau, tooj liab, npib tsib xee, thiab zoo tib yam alloys. • Nrog rau qhov ua tau zoo heev rau pitting, crevice corrosion, thiab kev ntxhov siab corrosion, nws yog qhov zoo tshaj plaws hlau tov rau siab - chlorine daim ntaub ntawv. • Lub teeb yuag thiab siab - lub zog: Nrog rau qhov ntom ntawm tsuas yog li 60% ntawm cov hlau, cov khoom siv sib dua, kev sib pauv cua sov yog qhov zoo dua, thiab kev siv hluav taws xob qis dua. Hauv luv luv: Corrosion uas stainless hlau tsis tuaj yeem tiv taus, cov ntaub ntawv titanium feem ntau tuaj yeem ua tau yooj yim.
II. Titanium Cov Khoom Siv Hauv Kev Lag Luam Tshuaj: Pib nrog Chlor-Alkali, Npog Tag Nrho Kev Lag Luam Chain Tuam Tshoj cov tshuaj lom neeg kev lag luam yog ib qho ntawm cov neeg siv titanium tshaj plaws thiab loj tshaj plaws nyob rau hauv pej xeem sector. Txij li thaum nws daim ntawv thov pioneering ntawm Shanghai Tianyuan Chemical Plant, titanium cov ntaub ntawv tau permeated ntau yam tseem ceeb sub-sectors.
1. Chlor-alkali Kev Lag Luam: Qhov chaw ua haujlwm tseem ceeb rau cov khoom siv titanium. Thoob plaws hauv cov txheej txheem chlor-alkali ntau lawm, cov ntaub ntawv tau raug los ntawm cov roj chlorine ntub dej, cov brine saturated, thiab siab -kub caustic tov; xaiv cov khoom tsis raug tuaj yeem ua rau muaj kev kaw ntau zaus, xau, thiab cov nqi siab.
Cov ntaub ntawv tseem ceeb ntawm Titanium cov ntaub ntawv: • Hlau anodes / ion- pauv membrane electrolysis cell • Cov roj chlorine ntub dej txias, refined brine preheaters • Dechlorination towers, chlorine gas cooling scrubbers • Ntau yam titanium twj, li qub, thiab kav dej
2. Nyob rau hauv kev lag luam dej qab zib tshauv, titanium yog cov khoom ntawm kev xaiv rau kev tiv thaiv ammonium ntsev corrosion nyob rau hauv cov khoom tseem ceeb xws li crystallizer sab nraud coolers, ammonia condensers, niam cawv rhaub, kub exchangers, carbonation ntauwd txias tubes, thiab CO₂ compressor rotor impellers.
3. Nyob rau hauv lub tshuab nqus tsev ntsev ntau lawm, siab - concentration brine yog heev corrosive. Titanium- ua ammonia evaporators, preheaters, twj tso kua mis, lub luj tshib, thiab lwm yam khoom siv nyob rau hauv corrosion-dawb nyob rau lub sij hawm ntev, kom ntseeg tau cov ntsev tas mus li.
4. Petrochemicals / Fine Chemicals / Inorganic Salts • Synthetic fiber nroj tsuag (xws li, polyester, nylon): tiv thaiv tsis ua hauj lwm ntxov ntawm stainless hlau, ncua lub neej kev pab cuam, thiab txo downtime. • Cov txheej txheem corrosive heev (xws li, propylene oxide): Carbon steel, aluminium, tooj liab, thiab cov qauv stainless hlau tag nrho ua tsis tiav; titanium yog qhov kev xaiv nkaus xwb. • Kev tsim cov tshuaj chlorates thiab poov tshuaj ntsev: Titanium yog siv dav hauv cov hlwb electrolytic, evaporators, preheating tanks, thiab coolers; kwv yees li 15 tons ntawm titanium tau noj ib 10,000 tons ntawm sodium chlorate ua.
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