Taw qhia
Hauv kev tsim khoom hauv dej hiav txwv, kev tsim nkoj, thiab kev tsim kho ntawm ntug dej hiav txwv, cov hlau fittings tau raug cov ntsev tas li - nplua nuj, siab - cov av noo ib puag ncig, ua rau corrosion yog ib qho teeb meem loj heev. Yog tias tsis tau kuaj xyuas, corrosion tuaj yeem txo cov khoom lag luam thiab ua rau muaj kev nyab xeeb ntawm cov qauv. Kab lus no tshawb txog tsib qhov laj thawj tseem ceeb ntawm corrosion hauv marine hardware thiab muab cov kev daws teeb meem los txhim kho kev ua tau zoo thiab kav ntev.
1. Ntsev Txau Corrosion
Ua rau: Cov ntsiab lus siab ntawm sodium chloride nyob rau hauv cov huab cua hauv hiav txwv ua rau tsim cov yeeb yaj kiab ntawm cov hlau, ua kom cov electrochemical corrosion.
Kev daws:
Siv marine- cov ntaub ntawv qib zoo li stainless hlau 316
Yaug cov khoom siv nrog dej tshiab tsis tu ncua, tshwj xeeb tshaj yog nyob rau hauv siab - ntsev
Siv cov kev kho mob passivation lossis los tiv thaiv- txheej txheej corrosion
2. Galvanic Corrosion
Ua rau: Thaum cov hlau tsis sib xws xws li txhuas thiab cov hlau tsis muaj hlau txuas nrog lub xub ntiag ntawm cov electrolyte, galvanic hlwb tsim thiab ua rau thaj tsam corrosion.
Kev daws:
Siv cov insulating gaskets los yog sealants ntawm cov pob qij txha
Xaiv cov hlau uas muaj peev xwm electrochemical zoo sib xws
3. Crevice Corrosion
Ua rau: nruj qhov chaw xws li xov, ntxhua khaub ncaws, los yog cov pob qij txha ntxiab ya raws thiab ntsev, txo cov pa oxygen thiab tsim kom muaj ib qho chaw acidic hauv zos uas ua rau kom corrosion.
Kev daws:
Txo cov crevices thiab sib tshooj hauv kev tsim
Siv welding es tsis txhob siv cov khoom sib koom ua ke thaum ua tau
Siv cov sealants nyob rau hauv qhov chaw uas tsis muaj zog
4. Microbial Induced Corrosion, MIC
Ua rau: Cov kab mob xws li sulfate-txo cov kab mob (SRB) tsim cov biofilms ntawm cov hlau thiab tsim cov kua qaub los ntawm cov khoom uas ua rau muaj kev kub ntxhov.
Kev daws:
Ntxuav thiab tua kab mob ntawm cov hlau tsis tu ncua
Siv cov tshuaj tiv thaiv kab mob los yog nyiaj - cov ntaub ntawv infused
Tswj cov av noo kom txo qis kev loj hlob ntawm microbial
5. Mechanical Damage Corrosion
Ua rau: khawb los yog dents thaum tuav lossis kev teeb tsa ua txhaum cov txheej txheem oxide tiv thaiv ntawm cov hlau tsis muaj steel, ua rau nws tawm tsam corrosive.
Kev daws:
Tiv thaiv cov khoom siv nrog kev ntim khoom thaum caij tsheb thauj mus los thiab kev teeb tsa
Tam sim ntawd kho tej qhov chaw puas
Siv electropolishing los yog repassivation raws li xav tau
Xaus:
Kev nkag siab txog qhov ua rau corrosion thiab siv cov phiaj xwm kev tiv thaiv yog qhov tseem ceeb rau kev ua kom lub neej ua haujlwm siab tshaj plaws ntawm marine hardware. Nrog kev xaiv cov khoom ntse, kev xav tsim, thiab kev saib xyuas niaj hnub, kev ua haujlwm ntev - tuaj yeem ua kom ntseeg tau txawm tias nyob rau hauv qhov hnyav tshaj plaws ntawm ntug hiav txwv.
