Tsis ntev los no, ib pawg ntawm U- zoo li cov tub yees txias ua los ntawm Qib 12 (TA10) titanium alloy tau raug xa mus thiab yuav siv rau hauv cov tshuab hluav taws xob sib hloov. Kev ua tiav ntawm cov khoom lag luam no ib zaug ntxiv qhia txog lub zog thev naus laus zis ntawm kuv lub teb chaws titanium kev lag luam hauv high-kawg tshav kub- pauv tube manufacturing.
Gr12 titanium alloy yog nruab nrab -lub zog, corrosion- tiv taus titanium alloy ua los ntawm kev ntxiv cov ntsiab lus alloying xws li npib tsib xee (Ni) thiab molybdenum (Mo) rau kev lag luam ntshiab titanium. Nws muaj ob qho tib si zoo heev corrosion kuj thiab zoo machinability. Hauv ntau qhov chaw tshaj tawm, Gr12 nthuav tawm cov kev tiv thaiv zoo tshaj plaws hauv cov dej hiav txwv, cov roj chlorine ntub dej, cov tshuaj chloride, oxidizing thiab tsis muaj zog ntawm cov xov xwm, nws cov corrosion kuj tshaj li ntawm cov hlau tsis muaj steel, tooj liab alloys, thiab txhuas alloys, nrog rau qhov tsis txaus ntseeg txhua xyoo corrosion, txuas cov cuab yeej siv lub neej los ntawm ob peb mus rau kaum tawm zaus. Qhov sib ntxiv ntawm cov npib tsib xee ua kom cov hlau tsis kam tiv thaiv corrosion hauv hydrochloric acid daws, thaum molybdenum ntxiv txhim kho nws qhov kev ruaj ntseg hauv kev txo qhov chaw. Gr12 kuj nthuav tawm cov kev tiv thaiv zoo heev rau crevice corrosion nyob rau hauv kub brine ib puag ncig, tuav ntev -lub sij hawm stability nyob rau hauv hnyav tej yam kev mob.
Tsis tas li ntawd, Gr12 alloy tuav lub zog siab txawm tias nyob rau hauv qhov kub thiab txias, nrog lub zog tensile ntau dua lossis sib npaug ntawm 480 MPa, lub zog tawm los ntawm ntau dua lossis sib npaug rau 345 MPa, thermal conductivity ntawm kwv yees li 22.6 W / m · K, thiab qhov ntom ntawm 4.51g / cm³. Vim nws lub zog siab dua, Gr12 tuaj yeem siv nrog cov phab ntsa nyias nyias dua li kev lag luam ntshiab titanium (Gr2) nyob rau hauv tib yam kev ua haujlwm, yog li ua tiav cov khoom hnyav txo thiab ua kom zoo dua cov khoom siv hluav taws xob.
Lub U- zoo li cov tub yees txias xa tawm lub sijhawm no yog cov khoom siv hluav taws xob hloov pauv hauv lub plhaub- thiab - raj kub exchangers. Lub U-zoo li lub raj qauv muaj qhov tshwj xeeb zoo-txhua lub raj yog khoov rau hauv U-puab, nrog rau ob qho tib si xaus rau tib lub raj ntawv, tso cai rau lub raj ntim kom nthuav dav thiab sib cog lus ywj pheej yam tsis tas yuav tsum tau nthuav dav cov pob qij txha, ua kom muaj kev ntxhov siab zoo. Cov yam ntxwv ntawm cov qauv no ua rau U-tube heat exchangers tshwj xeeb tshaj yog tsim rau cov ntawv thov uas muaj qhov sib txawv ntawm qhov kub thiab txias ntawm lub raj- sab thiab plhaub- sab xov xwm, thiab qhov twg lub plhaub - sab xov xwm yog scaling thiab yuav tsum tau ntxuav. Tshwj xeeb tshaj yog thaum lub raj - sab ntws los ntawm qhov siab - kub, siab - siab, thiab cov ntaub ntawv corrosive heev, U- raj qauv, ua ke nrog cov corrosion kuj zoo heev ntawm titanium, dhau los ua cov kev daws teeb meem zoo.
Titanium thiab titanium alloy txias tubes muaj ntau yam kev siv. Hauv kev tsim hluav taws xob hauv hiav txwv thiab dej hiav txwv desalination, cov chaw tsim hluav taws xob hauv ntug dej hiav txwv, nkoj hauv nruab nrab cua txias tshuab, thiab ntau-cov nyhuv evaporators (MEDs) txhua tus siv cov titanium raj ua cov khoom sib pauv cua sov tseem ceeb. Lawv tsis kam mus rau chloride ion corrosion tso cai rau lawv kom muaj lub neej ntev tshaj li 15 xyoo nyob rau hauv seawater ib puag ncig. Hauv kev lag luam chemical thiab petrochemical, titanium raj tau dav siv los hloov cov khoom siv graphite hauv cov chlorine ntub dej txias thiab electrolytic cell anolyte heat exchangers hauv chlor-alkali kev lag luam, txuas cov cuab yeej lifespan ntau tshaj tsib zaug. Titanium tubes tseem yog qhov tseem ceeb rau kev sib pauv cua sov ntawm cov xov xwm corrosive heev hauv cov txheej txheem tshuaj zoo xws li acetic acid concentration thiab propylene oxide ntau lawm. Nyob rau hauv lub zog thiab tshiab zog sectors, titanium raj bundles yog dav siv nyob rau hauv fais fab nroj tsuag flue gas seawater tshav kub exchange systems rau pov tseg tshav kub rov qab. Lawv kuj tau siv dav hauv lithium roj teeb electrolyte txias hauv lub zog tshiab kom tsis txhob muaj kab mob los ntawm tooj liab lossis stainless hlau ions.
Dhau li ntawm marine engineering thiab chemical engineering, titanium txias tubes ua lub luag haujlwm tsis tuaj yeem hloov pauv hauv electrolyte tshav kub pauv hauv metallurgical thiab electroplating industries, diesel cav lub tog raj kheej liner dej txias thiab lubricating roj txias hauv marine thiab tsheb thauj mus los, thiab siab -cov txheej txheem purity rau cua sov thiab dej txias hauv kev txhaj tshuaj (WFI) Hauv kev tiv thaiv ib puag ncig xws li siab-kev kho dej qab ntsev thiab kev kho cov dej khib nyiab pov tseg, titanium hlab zoo txuas ntxiv cov khoom siv tu lub voj voog vim lawv cov kev tiv thaiv zoo rau ammonia-nitrogen-sulfide composite corrosion.,
Hais txog cov qauv tsim, titanium U- raj tuaj yeem ua tau raws li ntau yam hauv tsev thiab thoob ntiaj teb cov qauv, suav nrog Suav teb cov qauv GB / T3625 thiab GB / T3624, thiab Asmeskas cov qauv ASTM B338 / ASME SB338, ASTM B861/ASME SB861, thiab ASTM BSME {{7}8}/ASME. Cov khoom lag luam npog ntau qib titanium thiab titanium alloy, suav nrog Gr1, Gr2, Gr7, Gr9 (TA18), thiab Gr12 (TA10), thiab tuaj yeem ua raws li cov neeg siv khoom xav tau.
Raws li cov ntaub ntawv tshawb fawb hauv kev lag luam, lub ntiaj teb titanium raj lag luam loj yog kwv yees li ntawm US $ 1.473 nphom hauv xyoo 2025. Kev siv cov titanium raj hauv aerospace, tshuaj, marine engineering, thiab cov khoom siv hluav taws xob txuas ntxiv. Nrog rau nws cov corrosion kuj zoo heev, zoo tshav kub hloov efficiency, thiab lub teeb yuag zoo, titanium thiab titanium alloy tshav kub exchanger hlab yog sai heev nkag mus rau siab dua - kawg industrial teb.
Lub Gr12 titanium U- zoo li cov tub yees txias xa tawm lub sijhawm no yog tsim los siv cov txheej txheem siab - cov txheej txheem thiab tau ua tiav cov pob nruj heev - dhau thiab ntsuas hydrostatic, ua kom ntseeg tau zoo thiab ua tau zoo heev. Lawv yuav ua haujlwm tau zoo rau cov kev xav tau ntawm qhov kawg - cov neeg siv khoom siv hluav taws xob hloov pauv. Lub tuam txhab yuav txuas ntxiv ua kom nws cov kev txawj ntse hauv kev ua cov khoom siv titanium, muab siab - zoo titanium thiab titanium alloy kub exchanger tube khoom rau cov neeg muas zaub nyob rau hauv lub domestic thiab txawv teb chaws.
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