Lub corrosion kuj ntawm cov ntaub ntawv tseem ceeb heev nyob rau hauv ntau yam ntawm industrial ntau lawm. Niaj hnub no, peb yuav delve rau hauv qhov zoo tshaj plaws kev ua tau zoo ntawmcov khoom siv silicon carbidenyob rau hauv cov nqe lus ntawm corrosion kuj.
Silicon carbide yog qhov sib xyaw ua ke ntawm silicon thiab carbon, uas muaj cov qauv siv lead ua tshwj xeeb thiab cov khoom siv tshuaj lom neeg. Los ntawm qhov kev xav ntawm microscopic, silicon atoms thiab carbon atoms nyob rau hauv silicon carbide yog nruj nreem khi los ntawm covalent bonds, tsim ib tug ruaj khov lattice qauv. Qhov no muab silicon carbide zoo tshuaj ruaj khov thiab muaj peev xwm tiv thaiv corrosion los ntawm ntau yam tshuaj lom neeg, uas kuj yog qhov laj thawj tseem ceeb rau nws cov corrosion kuj.
Hauv ntau qhov xwm txheej kev lag luam, cov cuab yeej siv tau ntsib qhov kev sib tw ntawm corrosion. Piv txwv li, nyob rau hauv thermal fais fab nroj tsuag, thee combustion tsim ib tug loj npaum li cas ntawm sulfur-muaj flue gas. Cov kua qaub acidic xws li sulfur dioxide nyob rau hauv cov pa taws no yuav tsim cov khoom corrosive xws li sulfurous acid thiab sulfuric acid thaum lawv nkag rau hauv dej. Yog tias cov khoom ntawm cov khoom siv desulfurization muaj qhov tsis zoo corrosion, nws yuav raug corroded sai, cuam tshuam rau kev ua haujlwm ib txwm thiab kev pabcuam lub neej ntawm cov khoom siv.
Raws li cov khoom tseem ceeb hauv desulfurization system, qhov chaw ua haujlwm ntawm desulfurization nozzle yog qhov hnyav heev. Nws tsis tsuas yog yuav tsum tau tiv taus qhov yaig ntawm cov pa kub kub, tab sis kuj yuav tsum tau los rau hauv kev sib cuag nrog cov corrosive desulfurizers xws li pob zeb mortar ntev. Nyob rau hauv ib puag ncig no, nozzles ua los ntawm cov ntaub ntawv zoo tib yam yog feem ntau ua rau corrosion, hnav, thaiv, thiab lwm yam teeb meem, ua rau txo qis hauv desulfurization efficiency thiab txawm tias yuav tsum tau hloov lub nozzle ntau zaus, nce nqi txij nkawm thiab downtime.
Cov khoom siv silicone carbide nthuav tawm cov txiaj ntsig tseem ceeb hauv ib puag ncig zoo li no. Nws cov kev tiv thaiv corrosion ua rau nws ua haujlwm ruaj khov rau lub sijhawm ntev, txo qhov tsis ua haujlwm los ntawm corrosion. Txawm hais tias nyob rau hauv kev sib cuag nrog muaj zog acidic los yog alkaline desulfurizers ntev, lub silicon carbide desulfurization nozzle tsis yooj yim corroded thiab puas, kom ntseeg tau tias cov hauj lwm zoo ntawm lub desulfurization system. Ntxiv nrog rau kev tiv thaiv corrosion, silicon carbide kuj muaj siab hardness, siab zog, thiab zoo hnav tsis kam. Cov yam ntxwv no ua rau cov silicon carbide desulfurization nozzle kom muaj kev ua tau zoo txawm tias nyob rau hauv lub ntsej muag ntawm high-speed flue roj thiab cov khoom siv yaig, zoo heev txuas lub nozzle lub neej kev pab cuam.
Silicon carbide cov khoom ua si lub luag haujlwm tsis tuaj yeem hloov pauv hauv thaj chaw ntawm desulfurization nozzles vim lawv cov kev tiv thaiv corrosion zoo heev, muab kev lav zoo rau kev ua haujlwm zoo thiab ruaj khov ntawm kev tsim khoom. Nrog rau kev nce qib ntawm kev siv thev naus laus zis, cov ntaub ntawv silicon carbide tseem yuav ua kom pom lawv cov txiaj ntsig tshwj xeeb hauv ntau thaj chaw yav tom ntej, txhaj tshuaj tshiab tseem ceeb rau hauv kev tsim kho kev lag luam.
Lub sij hawm xa tuaj: Plaub Hlis-07-2025