Stenlɛs Stiɛl Fayba na Kɔrosiv Envayrɔmɛnt: Marin, Kɛmikal ɛn Brij Dɛk

Atikul

Jun 15, 2019

Insay klorayd ɛnvayrɔmɛnt di yunit prays fɔ fayv nɔ de ɛva bi di men kɔst. Di kweshon na if di reinforcement stil de fo yie tati.

Usay Fayba we dɛn Plɛt Kɔpa kin Stɔp fɔ Wok

Di kɔpa layt we de pan stɛl fayv we dɛn dɔn plet, tik sɔm maykromita. I de slo di kɔrɛshɔn ɛn i de mek di bon wit di siment matris bɛtɛ; i nɔ de gi pɔsin protɛkshɔn fɔ lɔng tɛm. Insay dray intɛriɔ, ɔdinari flo ɛn mild ɛkstirian kɔndishɔn i de las di dizayn layf. Insay klorayd ɛnvayrɔmɛnt lɛk kɔstlayn, salin grɔn, kemikal plant ɛn di-aysin sɔl rod, klorayd kin brok di pasiv film, ɛn wans di kɔpa layt dɔn pwɛl na di say we di stɛl kɔr kin bigin fɔ pit. Pit nɔ de si ɛn dip, so bay di tɛm we rɔst stɛyn dɛn de apia, wan big pat dɔn ɔlrɛdi dɔn. Na dat mek di wok dɛn we dɛn kin du na di si ɛn di tank dɛn we dɛn kin yuz fɔ mek kemikal dɛn nɔ kin yuz fayv we dɛn mek wit kɔpa.

Pik Bitwin 304 ɛn 316L

Di kɔmɔn stenlɛs gred na 304, ɔp 2000 MPa tɛnsiɛl ɛn i kin savis to 650 C, ɛn i pas di plet fayv bay wan wayd margin insay sɔl sprɛy: 180 dez we yu tɛst i de lɛf 5.6% trɛnk lɔs nɔmɔ, we di plet fayv dɔn rɔst tru lɔng bifo. 316L gεt molibdεnכm εn i de rεsist klorayd pit bεtεh pan ay prays. Di chukchuk de tɔn pan klorayd kɔnsɛntreshɔn ɛn tɛmpracha: ambient si wata ɛn kɔstal atmosfɛs kin ɔltɛm fayn wit 304; ay tεmprachכ εn hכy klorayd, lεk na kεmikכl riakכt כ flue gas dεsulphurayzεshכn, kכl fכ 316L כ dupleks. Fɔ pik di wan we ay pas ɔl nɔto fɔ west, bɔt i kin tek bɔku mɔni; fɔ pik lɔwa min fɔ spall sɔm ia afta dat.

Wetin 5.6% Lɔs Afta 180 Dez Rili Min

Di nɔmba jɔs min sɔntin we yu kɔmpia am. Plɛn fayba we nɔ gɛt bɔku kabon kin rɔst insay sɔm dez insay sɔl sprɛy chɛmba ɛn i kin lɔs pas af in trɛnk insay tɛn dez; di fayv we dɛn dɔn plet kin liv wan ɔ tu mɔnt bifo di pit aksɛleret; 304 stil gεt 94.4% pan in trεnk na 180 dez. insay di sem marin envayroment, so stenlɛs fayv kin las tɛn tɛm pas fayv we dɛn plet. Dat nɔto smɔl impɔtant tin, na di difrɛns bitwin we pɔsin kin yuz ɛn we i nɔ kin yuz, bikɔs dɛn mek di marin strɔkchɔ fɔ fifti ia ɛn nɔ kɔtin nɔ de liv fɔ fifti ia we dɛn yuz klorayd.

0.16, 0.22 ɛn 0.75 mm: Tri Dayamita, Tri Yuz

Na 0.16 ɛn 0.22 mm di fayv na maykro waya, dɛn kin yuz am na tin wɔl, prɛsishɔn mɔta, UHPC ɛlimɛnt ɛn ɛnisay we dɛn nid fɔ gɛt dense tri-dimɛnshɔnal nɛtwɔk. Na 0.75 mm i na strɔkchɔral gred, dɛn kin yuz am na brij dɛk ɔvlay ɛn as riplesmɛnt fɔ kɔvɛnshɔnal riinfɔsmɛnt insay marin ɛlimɛnt dɛn. Maykro waya de gi bכku mכr fayv dεm pan wan kilogram, so we i ikwal dכz i de fכm wan dεn nεtwכk εn i de intasept fayn krak krak dεm; in limitεshכn na lכw kapasiti pan wan fayv, so i nכ kin riples tik strכkchכral bar. Disid di krak wit we yu fɔ kɔntrol fɔs, dɔn di dayamita.

Kεmikכl εn Wεst Wata Tank dεm

Kɔrɛshɔn na kemikal tank dɛn kin kɔmɔt frɔm tri say dɛn: asid midia, klorayd, ɛn wet ɛn dray sayklin. Sayklis na di wan we dɛn nɔ kin ɔndastand pas ɔl, bikɔs di kɔnkrit we de na di likwid layn kin wet ɛn dray bɔku tɛm ɛn i kin rɔtin fast fast pas di kɔnkrit we de ɔnda wata fɔ ɔltɛm. Di usual aprɔch na 304 ɔ 316L fayba kɔnkrit ɔlsay, wit ay doz ɔ ay gred lokal wan na di likwid layn. Dip we di kɔva dip na di ɔda ditel: stenlɛs fayv nɔ de tek di ples fɔ di kɔva, ɛn di fayv we de na di say we di kɔva de stil bi say we di kɔva de kɔrɛshɔn, so dɛn fɔ mit di kɔva we dɛn dɔn tɔk bɔt ful wan.

Si-Krɔs Brij Dɛk Ɔvlayz

Brij dɛk ɔvlay pan si krɔs na ay-valyu aplikeshɔn. Di ɔvlay tin, bɔku tɛm i kin bi 60 to 80 mm, i kin kɛr motoka taya lod, ɛn i kin sidɔm insay marin klorayd, tri kɔndishɔn dɛn wan tɛm we di plet fayv nɔ kin ebul fɔ liv. Praktis de yuz stenlɛs maykro waya ɔ 304 fayba na 1% to 2% bay volyum, bɔku tɛm wit polima ɔ epoxy-coated bar. I kin kɔst mɔ bifo tɛm, bɔt if dɛn du big ripɛnt ɛvri fayv ia di kɔst fɔ di wan ol layf kin smɔl. Na dat mek marin tɛnda dɛn kin spɛsifa stenlɛs fayba bɔku tɛm ɛn nɔ gri fɔ yuz plet fɔ tek ples fɔ am.

Di Stenlɛs Kɔst Akɔn: We I Pe ɛn We I Westɛm Mɔni

Staynlɛs stiɛl fayba kin kɔst siks to tɛn tɛm pas di waya we dɛn kin pul wit kɔpa we dɛn kin drɔ wit kol, so i nɔ kin ɛva bi di bɛtɛ tin fɔ pik, na di wangren tin we pɔsin kin pik. If i jɔstifay, i dipen pan tri kɔndishɔn dɛn we de ol wan tɛm: dizayn layf we pas 15 ia, klorayd ɔ asid we dɛn de yuz, ɛn ples we dɛn nɔ go ebul fɔ ripɛnt ɔ we rili dia fɔ ripɛnt. Drop eni wan en di moni de west. I de pe klia wan na di taydal zon na wan ɔfsho pletfɔm, di piklin tank layna na wan kemikal plant, di eria rawnd wan brij dɛk ɛkspɛnshɔn jɔyn, ɛn di ayreshɔn tank na wan west wata wok. I klia se i nɔ de pe pan indo flo, na dray bɛsin, ɔ pan aprɔn we dɛn kin pat we dɛn want, usay waya we dɛn plet kɔpa ɛn wan tin we de mek pɔsin nɔ rɔtin, na infεkt. pan gred selekshכn, 304 de du rili dכn 200 ppm klorayd, 316L de kכri molibdεnכm εn de hכl to roughly 1000 ppm, εn si wata imεshכn כ de-aysin sכlt de dimand 316L; 446 na feritik ɔt-rɛsistant gred gud to 1400 digri sɛlshiɔs bɔt nɔto fɔ klorayd, so nɔ put am na di rɔng ples. Wan kɔst aytem we dɛn kin ɔverluk ɔltɛm: di doz fɔ stenlɛs nɔ kin jɔs kɔpi wan kabɔn stɛl figa, bikɔs di tɛnsiɛl rɛnj difrɛn ɛn di sem flekshɔnal tafnɛs target kin nid difrɛn volyum frakshɔn, we de insay di kot. Fɔ kɔmpia di rɔst-spɔt eria afta 180 dez we dɛn sprɛy sɔl na di mɔs dairekt ed-to-ed we, so aks di saplay dɛn fɔ data ɔnda di sem tɛst kɔndishɔn instead fɔ kɔmpia gred nem dɛn.

We I Worth Fɔ Pe Mɔ

Di tin we dɛn disayd fɔ du kin ridyus to tri kwɛstyɔn dɛn. Klorayd de na di envayrɔmɛnt, frɔm si wata, salin grɔn ɔ di-asing sɔl. Na di elemɛnt tin-wɔl ɔ na wet ɛn dray zon. Na di dizayn layf pas tati ia. Tu yes ansa dɛn de mek stenlɛs bi di rizin we mek yu disayd fɔ du sɔntin; wan yes alaw fɔ mek dɛn go nia sɔm pat, we nɔ gɛt stenlɛs na say dɛn we impɔtant ɛn we dɛn plet am ɔdasay; tri nɔ ansa ɛn plet fayv na ɔltin we fit. Fɔ gred, dayamita ɛn tɛmpracha retinj, di stenlɛs sɛkshɔn na di stɛl fayba prodak pej de list di 304 ɛn maykro waya rɛnj dɛn wit dayamita, lɔng ɛn trɛnk, we dɛn kin yuz dairekt as sɛlɛkshɔn data.