Thaum tshav kub kub Cov Phaj Tshem Tawm Cov Khoom Piav Qhia:
Cov khoom cua sov ua kom sov phaj
Cov khoom cua sov ua kom sov phaj
SUS304 phaj (Taigang, Zhangpu): cov khoom siv dav siv austenitic stainless hlau (xws li khoom noj, tshuaj, atomic zog thiab lwm yam khoom siv khoom lag luam). Haum rau kev hais txog organic thiab inorganic tshaj tawm.
SUS316L phaj (Taigang, Zhangpu): Haum rau cov xov xwm organic thiab inorganic tshaj tawm. Piv txwv li, ntuj tso dej txias, dej txias ntauwd, dej txias muag; carbonic acid; acetic acid thiab caustic lye nrog qhov tob ntawm< 50%;="" cov="" kuab="" tshuaj="" xws="" li="" cawv="" thiab="" acetone;="" dilute="" nitric="" acid="">< 20%="," dilute="" phosphoric="" acid="">< 30%="lwm" yam="" txawm="" li="" cas="" los="" xij,="" nws="" tsis="" tsim="" nyog="" rau="" sulfuric="" acid.="" vim="" tias="" nws="" muaj="" txog="" 2%="" mo,="" nws="" muaj="" xeb="" zoo="" dua="" hauv="" dej="" hiav="" txwv.="" thiab="" lwm="" yam="" tshuaj="" chlorine-muaj="" tawm="" ntau="" dua="" li="" hom="" 304,="" thiab="" nws="" tuaj="" yeem="" hloov="" kiag="" yam="" hom="">
SMO254 phaj (txawv teb chaws los ntawm Nyiv): ib qho ultra-low-carbon high-qib stainless hlau hloov kho los ntawm kev nce Mo cov ntsiab lus ntawm Hom 316. Nws muaj cov tshuaj tiv thaiv zoo rau chloride pitting thiab crevice corrosion, thiab tsim nyog rau xov xwm muaj ntsev dej thiab inorganic acid uas tsis tuaj yeem siv nrog Hom 316.
Titanium phaj (txawv teb chaws los ntawm Nyiv): Nws yog non-alloyed titanium, uas muaj peev xwm ib txwm tsim ib zaj duab xis passivation tiv thaiv zaj duab xis, thiab yog tias nws raug rhuav tshem, nws muaj" nws tus kheej kho", yog li nws muaj xeb zoo dua li stainless hlau thiab yog cov khoom siv uas haum rau cov tshuaj siv chlorine-muaj ntaub ntawv; txawv teb chaws, Ob qhov kev tsim tawm hauv tsev, cov khoom siv txawv teb muaj cov ntawv qib siab dua titanium, cov txheej txheem kev ua tau zoo dua thiab kev pab lub neej ntev dua.
Npib tsib xee: feem ntau yog siv rau qhov kev kub siab (50% ~ 70%), qhov kub thiab txias (txog rau kub taw tes) cov kua dej (NaOH, KOH, thiab lwm yam), tab sis nws rhiab heev rau kev tsim cov xeb vim los ntawm chlorides xws li dej tsau Cov.
Hastelloy phaj: haum rau ntau yam tshuaj lom neeg kev lag luam uas muaj oxidizing thiab txo kev tshaj tawm. Cov ntsiab lus siab dua ntawm molybdenum thiab chromium ua rau lub alloy tiv taus chloride ion corrosion, thiab tungsten lub caij txuas ntxiv txhim kho qhov kev txhim kho corrosion. Muaj kev txhim kho zoo corrosion: kog cuam tshuam los ntawm Cl-; zoo heev corrosion tsis kam mus rau ntau cov ntsiab lus ntawm sulfuric acid, yog ib qho ntawm ob peb cov ntaub ntawv uas tuaj yeem siv rau cov tshuaj kub sulfuric acid; dav siv hauv cov organic acids (xws li formic acid, Acetic acid), kub HF acid thiab ib co concentration ntawm hydrochloric acid (GG lt; 40%), phosphoric acid (≤50%); chloride, fluoride thiab cov kuab tshuaj organic (xws li methanol, ethanol)
