Nyob rau hauv xyoo tas los no, nrog kev txhim kho ntawm tib neeg txoj kev ua neej nyob thiab kev tsim kho kev lag luam, kev siv dej tshiab tau nce xyoo los ntawm xyoo.Yuav kom daws tau qhov teeb meem dej, ntau qhov loj-scale desalination tej yaam num yog nyob rau hauv nruj kev tsim kho nyob rau hauv lub teb chaws.Nyob rau hauv tus txheej txheem ntawm seawater desalination, tshwj xeeb yuav tsum tau them rau corrosion ntawm chloride rau cov khoom.Valveteeb meem khoom siv feem ntau tshwm sim ntawm cov khoom ntws-los ntawm cov khoom.Tam sim no, cov ntaub ntawv tseem ceeb ntawm cov khoom siv valve rau seawater desalination yog npib tsib xee-aluminium bronze, stainless hlau, duplex stainless hlau thiab ductile hlau + hlau txheej.
Nickel Txhuas Bronze
Nickel-aluminium bronze muaj kev tiv thaiv zoo heev rau kev ntxhov siab tawg corrosion, qaug zog corrosion, cavitation corrosion, yaig kuj thiab marine kab mob fouling.Piv nrog stainless hlau hauv dej hiav txwv uas muaj 3% NaCI, npib tsib xee-aluminium bronze alloy muaj kev tiv thaiv zoo heev rau kev puas tsuaj rau cavitation.Lub corrosion ntawm nickel aluminium bronze nyob rau hauv seawater yog pitting corrosion thiab crevice corrosion.Nickel-aluminium bronze yog rhiab heev rau lub seawater tshaj tawm, thiab thaum lub nrawm tshaj qhov tseem ceeb tshaj tawm, tus nqi corrosion nce sharply.
Stainless hlau
Lub corrosion kuj ntawm stainless hlau sib txawv nrog cov tshuaj muaj pes tsawg leeg ntawm cov khoom.304 stainless hlau yog resistant rau pitting corrosion thiab cracking corrosion nyob rau hauv ib puag ncig dej uas muaj chlorides, thiab tsis tuaj yeem siv los ua cov dej ntws los ntawm cov dej hiav txwv.316L yog austenitic stainless hlau uas muaj molybdenum, uas muaj kev tiv thaiv zoo dua rau kev xeb, pitting corrosion thiab tawg corrosion.
Hlau Hlau
Txhawm rau txo qhov project tus nqi, lub valve lub cev tau txais cov khoom siv hlau hauv EPDM, thiab lub valve disc txais cov hlau nplaum hauv ob sab phlu los tiv thaiv xeb.
(1) Cov kav hlau txais xov Halar
Halar yog ib qho alternating copolymer ntawm ethylene thiab chlorotrifluoroethylene, semi-crystalline thiab yaj-processable fluoropolymer.Nws muaj qhov zoo corrosion kuj rau feem ntau cov organic thiab organic tshuaj thiab organic solvents.
(2) Cov hlua hlau nylon11
Nylon11 yog cov txheej txheem thermoplastic thiab cov nroj tsuag, uas tuaj yeem tiv thaiv kev loj hlob thiab kev loj hlob ntawm fungi.Tom qab 10 xyoo ntawm kev ntsuas dej ntsev rau hauv dej, cov hlau hauv qab tsis muaj cov cim qhia ntawm corrosion.Txhawm rau kom muaj kev ruaj ntseg ntawm cov txheej txheej thiab zoo adhesion, kev siv kub ntawm Nylon11 yuav tsum tsis txhob ntau tshaj 100 ℃ thaum nws yog siv nyob rau hauv lub npauj npaim phaj txheej.Thaum lub circulating nruab nrab muaj cov abrasive hais los yog nquag hloov ua haujlwm, nws tsis tsim nyog siv cov txheej.Tsis tas li ntawd, cov txheej txheem yuav tsum tau tiv thaiv kom tsis txhob khawb thiab tev tawm thaum lub caij tsheb thauj mus los thiab kev teeb tsa.
Post lub sij hawm: Dec-17-2021