Njengoko sisazi, phakathi kweepleyiti zokutshintsha ubushushu kwipleyiti, ipleyiti ye-titanium yodwa ngenxa yokumelana kwayo nokugqwesa. Kwaye ekukhethweni kwe-gasket, i-viton gasket idume ngokuxhathisa i-asidi kunye ne-alkali kunye nezinye iikhemikhali. Ke ngaba zinokusetyenziswa kunye ukuphucula ukuxhathisa komhlwa kwi-plate heat exchanger?
Enyanisweni, i-Titanium plate kunye ne-viton gasket ayinakusetyenziswa kunye. Kodwa kutheni? Ngumgaqo wokuxhathisa ukubola kwepleyiti ye-titanium ukuba ezi zinto zimbini azinakusetyenziswa kunye, kuba ipleyiti ye-titanium kulula ukwenza umaleko wefilimu ekhuselayo ye-titanium oxide phezu komhlaba, lo maleko wefilimu ye-oxide inokwakheka ngokukhawuleza kwindawo eneoksijini emva kokutshatyalaliswa. Kwaye oku kuvumela ukutshatyalaliswa kunye nokulungiswa (ukubuyisela kwakhona) ifilimu ye-oxide ukuba igcinwe kwisimo esizinzileyo, ukukhusela izinto ze-titanium ngaphakathi kwifomu yokutshatyalaliswa ngakumbi.
Umfanekiso oqhelekileyo wokutya
Nangona kunjalo, xa isinyithi se-titanium okanye i-alloy kwindawo ene-fluorine, phantsi kwee-ion ze-hydrogen emanzini, i-ion ze-fluoride ezivela kwi-viton gasket zisabela nge-metal titanium ukuvelisa i-fluoride enyibilikayo, eyenza i-titanium pitting. I-reaction equation imi ngolu hlobo lulandelayo:
Ti2O3+ 6HF = 2TiF3+ 3H2O
TiO2+ 4HF = TiF4+ 2H2O
TiO2+ 2HF = TiOF2+ H2O
Uphononongo lufumene ukuba kwisisombululo se-acidic, xa i-ion ye-fluoride ifikelela kwi-30ppm, ifilimu ye-oxidation kumphezulu we-titanium inokutshatyalaliswa, ebonisa ukuba nokuba i-concentration ephantsi kakhulu ye-ion ye-fluoride iya kunciphisa kakhulu ukuxhatshazwa kwe-corrosion yamacwecwe e-titanium.
Xa isinyithi se-titanium ngaphandle kokukhuselwa kwe-titanium oxide, kwindawo engcolileyo equlethe i-hydrogen ye-hydrogen evolution, i-titanium iya kuqhubeka ifunxa i-hydrogen, kwaye i-REDOX isabela. Emva koko i-TiH2 iveliswa kumphezulu wekristale ye-titanium, ekhawulezisa ukubola kwepleyiti ye-titanium, yenze iintanda kwaye ikhokelela ekuvuzeni kwe-plate exchanger heat.
Ngoko ke, kwi-plate exchanger heat, i-titanium plate kunye ne-viton gasket akufanele isetyenziswe kunye, ngaphandle koko iya kukhokelela ekudlekeni kunye nokungaphumeleli kwe-plate heat exchanger.
I-Shanghai Heat Transfer Equipment Co., Ltd. (SHPHE) inamava eenkonzo ezityebileyo kwishishini le-plate heat exchanger, kwaye ineelabhoratri ezihambelanayo zomzimba kunye neekhemikhali, ezinokukhawuleza kwaye zichaneke ngokuchanekileyo izinto zeplate kunye ne-gasket kubathengi kwinqanaba lokuqala lokukhetha, ukuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo kwezixhobo.
Ixesha lokuposa: Feb-17-2022