Me nā kumuwaiwai wai maʻemaʻe o ka honua ma lalo o ka piʻi nui ʻana, ua puka mai ka desalination wai kai ma ke ʻano he hopena koʻikoʻi no ka mālama ʻana i nā lako wai hoʻomau, ʻoi aku ka nui ma nā kahakai a me nā ʻāina maloʻo. I loko o nā ʻōnaehana desalination, he mea koʻikoʻi ke kila kila ma muli o kona kūpaʻa ʻana i ka corrosion kiʻekiʻe, ka ikaika mechanical, a me ke ola lawelawe lōʻihi.
No ke aha ka mea kūpono no ka hoʻomaʻemaʻe wai kai?
1. Kū'ē Chloride Kū'ē
Loaʻa i ka wai kai nā ʻiona chloride kiʻekiʻe (Cl⁻), hiki ke hoʻopōʻino i nā metala maʻamau. ʻO nā kila kila Austenitic e like me 316L, a me nā māka duplex e like me S32205 a me S32750, hāʻawi maikaʻi loa i ke kūpaʻa maikaʻi ʻana i ka lua a me ka crevice corrosion ma nā wahi paʻakai.
2. Long Service Life, Hoemi Maintenance
Hiki i nā ʻāpana kila kila ke hana me ka hilinaʻi ma nā wahi paʻakikī, kiʻekiʻe-salinity, a me ka haʻahaʻa haʻahaʻa. ʻO kēia lōʻihi e hoʻemi nui i ka manawa hoʻomaha o ka ʻōnaehana a me nā kumukūʻai mālama, e hōʻoia ana i ka maikaʻi o ka hana i ka wā lōʻihi.
3. Hiki maikaʻi ke ʻano a me ka ikaika
Loaʻa i nā kila kila kahi hui maikaʻi o ka ikaika a me ka ductility, e kūpono iā lākou no ka wili, hana ʻana, a me ka mīkini. Hoʻohana nui ʻia lākou i nā ʻāpana desalination koʻikoʻi e like me nā ʻōnaehana paipu, nā moku kaomi, nā mea hoʻololi wela, a me nā evaporators.
Nā Papa Kūleʻa Kūleʻa maʻamau i hoʻohana ʻia i ka Desalination
| Papa | ʻAno | Nā mea nui | Nā noi maʻamau |
| 316L | Austenitic | Kūleʻa corrosion maikaʻi, weldable | ʻO ka paipu, nā kiwikā, nā papa hana |
| S32205 | Duplex | ʻO ka ikaika kiʻekiʻe, maikaʻi ke kū'ē i ka lua | ʻO nā moku kaomi, nā mea hoʻololi wela |
| S32750 | Super Duplex | Kūʻē kūʻē i ka hoʻouka chloride | Paipu kai hohonu, pūpū evaporator |
| 904L | High-Alloy Austenitic | Kūleʻa i ka ʻakika a me ka paʻakai | Pum casings, hui pili |
Nā noi nui ma nā ʻōnaehana desalination
• Nā ʻĀpana Reverse Osmosis (RO):ʻO nā ʻāpana e like me nā hale kānana a me nā moku membrane e hana maʻamau ʻia mai 316L a i ʻole S32205 kila kila e kū i ke kaomi kiʻekiʻe a me ka ʻike ʻana i ka brine.
• Hoʻoheheʻe Thermal Desalination (MSF/MED):Pono kēia mau ʻano i nā mea me ka wela kiʻekiʻe a me ka pale ʻana i ka corrosion. Hoʻohana mau ʻia ka S32750 super duplex stainless steel.
• Nā Pūnaehana Intake & Brine Discharge:ʻO nā ʻāpana ʻoi loa o ka corrosion-prone o ka ʻōnaehana, e koi ana i nā mea ikaika e pale i ka leakage a hōʻoia i ka paʻa lōʻihi.
Ka manawa hoʻouna: Mei-27-2025