Sezvatinoziva, pakati pemaplate eplate heat exchanger, titanium plate yakasiyana nekuda kwekudzivirira kwayo ngura. Uye mukusarudza gasket, viton gasket inozivikanwa nekudzivirira acid nealkali nemamwe makemikari. Saka zvinogona kushandiswa pamwe chete here kuvandudza ngura yeplate heat exchanger?
Kutaura zvazviri, Titanium plate ne viton gasket hazvigone kushandiswa pamwe chete. Asi sei? Ndiyo musimboti wekudzivirira ngura we titanium plate kuti zvinhu zviviri izvi hazvigone kushandiswa pamwe chete, nekuti titanium plate iri nyore kugadzira jira re dense titanium oxide protective film pamusoro, jira iri re oxide film rinogona kugadzirwa nekukurumidza munzvimbo ine oxygen mushure mekuparadzwa. Uye izvi zvinobvumira kuparadzwa nekugadzirisa (repassivation) ye oxide film kuti irambe yakagadzikana, ichidzivirira zvinhu zve titanium mukati mefomu kuparadzwa kwakawedzerwa.
Mufananidzo wenguva dzose wekuora kwegomba
Zvisinei, kana titanium simbi kana alloy zviri munzvimbo ine fluorine, pasi pekushanda kwema hydrogen ions mumvura, ma fluoride ions anobva mu viton gasket anosangana ne metal titanium kugadzira soluble fluoride, izvo zvinoita kuti titanium iite. Iyo reaction equation ndeiyi inotevera:
Ti2O3+ 6HF = 2TiF3+ 3H2O
TiO2+ 4HF = TiF4+ 2H2O
TiO2+ 2HF = TiOF2+ H2O
Ongororo dzakawana kuti mu acidic solution, kana huwandu hwe fluoride ion hwasvika 30ppm, oxidation film iri pamusoro pe titanium inogona kuparadzwa, zvichiratidza kuti kunyangwe huwandu hwakaderera hwe fluoride ion hunoderedza zvakanyanya ngura ye titanium plates.
Kana titanium simbi isina dziviriro yetitanium oxide, munzvimbo ine hydrogen yekushanduka kwehydrogen, titanium icharamba ichitora hydrogen, uye REDOX reaction inoitika. Zvadaro TiH2 inogadzirwa pamusoro petitanium crystal surface, iyo inokurumidza ngura yetitanium plate, ichigadzira mitswe uye zvichikonzera kubuda kweplate heat exchanger.
Saka, mu plate heat exchanger, titanium plate ne viton gasket hazvifanirwe kushandiswa pamwe chete, zvikasadaro zvinozokonzera ngura uye kutadza kwe plate heat exchanger.
Shanghai Heat Transfer Equipment Co., Ltd. (SHPHE) ine ruzivo rwakakura muindasitiri ye plate heat exchanger, uye ine marabhoritari emuviri nemakemikari akabatana, ayo anogona kukurumidza uye nemazvo kuona zvinhu zve plate ne gasket kune vatengi vari kutanga kwekusarudza, kuve nechokwadi chekushanda kwakachengeteka uye kwakavimbika kwemidziyo.
Nguva yekutumira: Kukadzi-17-2022