Ci liggéeyukaay yu melni petrol, gaz, produit chimik, ak doole, gasoduk yi ñooy yóbbu media yu diis yi, lu melni vessel deret. Waaye, tuyo yooyu mën nañu ko am ci corrosion bi ndax exposition bu yàgg- di exposition ci niir, produit chimik yu corrosif, wala tàngoor wu metti. Loolu du yam ci wàññi seen liggéey, waaye mën na tax itam ñu am jafe-jafe ci wàllu kaaraange lu ci melni fiir yi ak explosion yi. feeñug corrosion {-u tuyo asiye asiye dafay wax ci jafe-jafe bii. Ci anam wu yam ci liggéey bi, dañu am couche de protection ci kaw tuyo bi, muy def ni ab shield buy aar, di yokk bu baax dundu tuyo bi, ba noppi fexe am sistem bu wóor.
2
Ci biir corrosion { 0}} tuyo asiye asiye ba leegi mooy tuyo asiye (lu melni lu amul benn sikk, soudure, wala jub-seam soudure), waaye dafay wuute ci biir corrosion {2 }restent bi ñu koy jëfandikoo ci kaw ak ci biti ci tige bi. Yii layer yuy aar mën nañu leen xaaj ñatti pàcc yu aju ci mbir yi ak ci anam yi ñuy jëfandikoo: coating, lining, ak aar corrosion electrochimique. Coating mooy li gëna bari luñu koy jëfandikoo ci xarala yii.
Materiel coating coating ñooy coating poudre epoxy (FBE), ñetti polyethylene (3PE), polyetethylene buy topp, ak polyurethane. Soo jëlee 3PE ci misaal, dafa am benn layer bu am poudre epoxy (def adhésion bu dëgër ci tuyo asiye ak resistance chimik), ab digg bu digg bu adhésif (muy boole couche epoxy bi ak couche polyethylene bi ci biti), ak benn couche bu nekk ci polyetylene (bayyi ci yàqu-yàqu mekanik ak UV rayon). Yii 3{5}}lalayer structure dafay jàppale ci dëgëral corrosion bu bawoo ci suuf ak ndoxu géej, ci noonu lañuy amee njeexital yu am ci yaram suñu suulee wala ci kaw.
2. "Legic arbit" bu Anti- Pipi voile de voître de l'intorosion
Corrosion meta bi dafay nuru reaction electrochimique. Su tiwo yu asiye yi di jëflante ak ndox, oxygen, ak electrolyte (lu melni xorom ci suuf si), selil galvanik dafay forme ay atom yuy ñàkk electron ak oxidize (forme rust). Corrosion { 2}} tuyo asiye yu am doole yi dañuy tere liggéey bii ci anam yii:
Duggu yaram: Coating wala jumtukaayi lining (lu melni polyethylene wala seramik) bu nekk ci biir tuyo asiye bi ci biir korrosive bi, di tere nit ñi mëna jokkoo ak ñoom.
Deplotaasioŋ chimique: Coating coatings (lu melni poudre epoxy) reaction ak surface tige asiye ngir forme filmu bu dëgër, di tere elektrol.
Aar elektoremiik: Xaralay aar cathodic (ICC) bu am doole (ICCP) (ICCP) (ICCP) bu am doole (ñu koy faral di jëfandikoo ci boole ak coating) dafay jëfandikoo courant bu ñuy soppi ci pipe acier bi, mu soppi ko mu nekk cathode, loolu moo tax mu baña nekk ci anode.
Ci misaal, gasoduk petroleum ak gaz, ci misaal, 3PE coating dafay baña dugg ci biir suuf si ak xorom ci suuf si, ci noonu la sistemu aar cathodic di joxe beneen xeetu aar, wàññi li ñuy woowe corrosion bi doonte coating bi dafa yàqu.
1
Li ñuy laaj ci wàllu aar ci wàllu aar ci anam wu wuute, dafay wuute bu baax ci senaario usine yu wuute, loolu moo jur xeetu tuyo yu bari yu am corrosion {- dafa am ay tige asiye yuñ defaree ngir saafara jafe-jafe yi environmaa bi di am:
Ci gasoduk yu ñu suul: 3PE wala coaling coal arre de coales. Li njëkk mooy mu baña bàyyi stress suuf si, ba noppi dugg ci reeni garab yi, moo tax mu mëna dem ci gaz natureel ak dem ak dikk ci petrol; bu mujj bi mooy -cost ak moustiur {3} nga koy faral di jëfandikoo ci ndoxu ndox ak drainage.
Xeetu géej yi: Jàngat ay xeetu xorom yu bari, rayon UV yu dëgër, ak immers ndoxu géej, poudre epoxy + polyurethane ci biti wala titanium nano{1}} tuyo asiye bu gëna baax, ak dundu bu ëpp 20 at.
High{0}} température ak- environnement pression termik wala pipelines reaction chimique, coating ceramique wala ngërëm bu kawe {2} 10000000 coating (mënna am tàngoor yu weesu 300 degre) dañu leen di digal ñu joxe resistance corrosion ak resistance deformation thermique.
Media yu wuute: Sooy yóbbu ay pexe yu asid ak alkaline (lu melni asid sulfurique ak lye), polytetrafluorothylene (PTFE) {PTFE)- nga soxla tige asiye. Inertness chimik bi dafay tax mu baña nangu liquid bu bari bu am corrosif.
1
Njariñu koom-koom gi ci jëfandikoo ay tuyo asiye asiye yu am solo. Tuyo asiye yu am solo mën nañu leen wecci 3{3} 5 at yu nekk ci environmaa bu corrosif, waaye tuyo yu bari yu am {4- tuyo asiye asiye yi mën nañu yàgg 20{1111110 at (ci misaal, 3PE anti-corosion suul pipelines ñu ngi koy defar ngir dundu 50 at). Ci misaal, gasoduk gaz naturel bu bawoo ci corrosion ak sacc, mën na jur ay téemeeri milioŋ ciy yuan. Waaye, dugal xaalis ci tuyo asiye anti-corosion mooy 5%-15% ci njëgu pipeline bi yépp, waaye mën na wàññi risku aksidaa lu ëpp 90%.
Rax ci dolli, anti{- tuyo asiye asiye yu wert ak yu néew- yokkute. Corrosion dafay wàññi njariñu pipeline (ci misaal, scaling dafay yokk bañaale), waaye anti{3}} pajum dafay am surface bu nooy ci biir tuyo bi, wàññi ñàkka am energie. Dundug liggéey bi dafay wàññi jafe-jafe yi am ci environmaa bi ci tige asiye yuñ sànni.
Conclusion: "Garardian bu amul gis-gis" Aar dundu Industry
Liko dalee ci West { {0}) East Gas Pipeline ba ci ligne transmisioŋ yi ci garab yi ci tefes gi, daal di tàmbalee ci sistemu ndox yu nekk ci biir suuf ba ci gasoduk energie yu bari ci polar yi, anti{1}} tuyo yu asiye yu am doole yi di gëna wóor ci kaaraange ak njariñu liggéeyukaay yu bees yi. Ak yokkute yi am ci science macceer ak anti- xarala yu bees yi (lu melni defar nano {(4}coatings ak di wottu xam-xam ak anticoring antic-cords), anti{6}} tuyo asiye asiye dina gëna am xel ak gëna dëgër, wéy di liggéey ni fondaasioŋ bu dëgër ngir aar ci energie global ak infrastructure.
