Lub luag hauj lwm ntawm PTFE rhaub nyob rau hauv Dub Oxide txheej txheej txheem rau hlau yog dab tsi?

Dub oxide txheej muab lub ntsej muag dub stylish thiab tiv thaiv corrosion me me rau cov khoom siv hlau. Cov txheej txheem yog raus rau hauv ib lub boiling tov ntawm caustic soda thiab oxidising ntsev ntawm kub ntawm 140 mus rau 150 degrees centigrade. Qhov cua kub no xav tau cov khoom siv tshwj xeeb rau lub rhaub.

Dub oxide txheej txheej txheem
Dub oxide txheej yog feem ntau muab tso rau ntawm cov hlau ua kom lawv zoo dua qub thiab muab lawv me ntsis corrosion kuj. Qhov no yog ua tiav los ntawm immersing cov hlau nyob rau hauv ib tug concentrated da dej ntawm sodium hydroxide, nitrates thiab nitrites, ib tug caustic tov uas boils ntawm ib ncig ntawm 140-150℃(285-300℃F). Cov ntsev oxidising ua rau lub ntsej muag ntawm cov hlau, ua rau nyias, dub oxide txheej.

Qhov kub ua haujlwm siab thiab hnyav tshuaj muaj pes tsawg leeg ntawm chav da dej yuav tsum muaj cov cua sov uas tuaj yeem muaj sia nyob hauv qhov kub thiab txias ib puag ncig. Cov cua sov uas siv rau hauv cov ntawv siv dub oxide txheej yuav tsum muaj peev xwm tiv taus qhov kev sib txuas txuas ntxiv mus rau qhov dej kub npau npau thaum xa cov hluav taws kub sib txawv.

Kev Sib Tw Kub Kub nrog Dub Oxide tiav
Tsoos PTFE (polytetrafluoroethylene) cov cua sov yog siv dav hauv ntau daim ntawv thov cua sov, vim lawv cov tshuaj tiv thaiv zoo tshaj. Tab sis ib txwm PTFE tsis haum rau cov txheej txheem dub oxide txheej vim nws qhov siab tshaj plaws kev pabcuam kub ntawm 110 degree. Tus qauv PTFE tsis haum rau cov ntawv thov kub no vim cov xim dub oxide yuav tsum muaj qhov kub ntawm 140-150 degree.

Lwm qhov kev xaiv yog kev siv tshwj xeeb kub kub fluoropolymer blends los yog PFA (perfluoroalkoxy) uas tuaj yeem ua rau lub siab kub xav tau rau cov txheej txheem oxide dub. Hauv particular PFA muaj qhov kub siab tshaj qhov kev pabcuam txuas ntxiv ntawm 260℃thiab yog li ntawd zoo haum rau cov txheej txheem txheej txheej dub oxide. Qee cov tuam txhab tsim cov tshuab tso cua sov nrog PFA sheaths nplooj siab rau lub hom phiaj no muab cov tshuaj tiv thaiv corrosion thiab txhim khu kev qha cua sov.

Hloov: Sheathed Hlau Heaters
Kev lig kev cai, txoj hauv kev tau siv cov hlau clad heaters (xws li stainless hlau lossis Incoloy) kom sov cov da dej dub oxide. Cov cua sov tuaj yeem zam qhov kub thiab txias ntawm cov txheej txheem, tab sis muaj kev pab cuam lub neej tsawg vim muaj kev tawm tsam ntawm cov tshuaj caustic. Sij hawm dhau mus, cov hlau sheath tuaj yeem corrode ua rau tsis ua haujlwm ntawm cov cua sov thiab cov pa phem ntawm chav da dej.

PFA-cov cua sov, ntawm qhov tod tes, yog qhov kev xaiv muaj zog dua nrog kev tiv thaiv corrosion zoo dua thiab lub neej ua haujlwm ntev dua li cov cua sov hlau. Cov cua sov PFA no tuaj yeem tswj tau qhov kub thiab txias uas yuav tsum tau ua yam tsis muaj kev puas tsuaj lossis xau cov pa phem rau hauv cov tshuaj, yog li tswj xyuas qhov zoo ntawm cov txheej txheem dub oxide txheej.

Kev xaiv cov khoom: PTFE, PFA lossis Hlau Sheathed Heaters
Khoom siv Max. Nruam TemperatureCorrosion Resistance Durability haum rau Dub Oxide
PTFE Standard 110℃(230℃F) zoo heev nyob rau hauv uas tsis yog -alkaline ib puag ncigLimited kev pab cuam lub neej ntawm kub kub Tsis haum rau dub oxide, kub yog siab tshaj nws txwv PFA 260℃(500℃F) Exceptional alkaline thiab corrosive kev daws teeb meem ntev, tsis muaj deteriorationWell suited rau dub oxide daim ntaub ntawv
Hlau Sheathed (Stainless Steel / Incoloy) 1200℃+ (2200℃F +) Resistance corrosion nyob rau hauv alkaline tej yam kev mob luv luv lifespan vim caustic nres Haum, tab sis muaj tsawg lifespan vim muaj kev pheej hmoo ntawm corrosion
Cov ntsiab lus ntawm cov xov xwm
Dub oxide coatings xav tau qhov kub thiab txias uas tsoos PTFE cua sov tsis tuaj yeem tiv taus. PFA thiab lwm yam fluoropolymers niaj hnub muab qhov siab -kub, corrosion- tiv taus lwm txoj. Cov PFA-cov tshuab cua sov sheathed no yog cov tshuaj tiv thaiv thiab ruaj khov rau kev ua haujlwm ruaj khov hauv cov txheej txheem dub oxide txheej thiab lawv kav ntev dua li cov cua sov txheej txheem. Nyob rau hauv cov xwm txheej kub corrosive, nws yog ib qho tseem ceeb kom nkag siab txog qhov ntsuas kub ntawm cov khoom siv thiab xaiv cov khoom siv cua sov kom zoo thiab ua haujlwm zoo.