High pressure reactors Reactor liners akagadzirwa kubva kuPTFE anovimbisa optimal resistance kumakemikari.
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Corrosion protection inosanganisirwa
A PTFE liner, iyo yakakora mamillimita akati wandei, inodzivirira simbi isina simbi inonaya zvine simba kubva mukuora, kunyangwe kubva pazvinoita ngura zvakadai seasidhi nealkali.PTFE inosiyaniswa nekupikisa kwayo kwakanakisa kunenge ese makemikari, izvo zvinoita kuti zvikwanise kuita pasina akawanda anodhura akakosha alloys.Izvi zvinoderedza zvakanyanya mari yekutora.
Ngozi yekugona kusvibiswa-yakasvibiswa iri nyore kudzora nePTFE liners.Metallic catalysers, sePt, Rh, Raney Nickel nezvimwe zvinonamatira kune simbi reactor uye yakaoma kwazvo kubvisa.Muzviedzo zvinotevera mubvunzo unoramba uchikura kana mhedzisiro inocherechedzwa ichinyatso kukonzerwa nekuchinja kwecatalyser, kusvibisa mhedzisiro kana catalyst poisoning.Dambudziko iri rinonzvengwa zvine mutsindo nekuchengetedza PTFE liner kune yega yega mhando yecatalyser.
Zano: Iwo PTFE liners anogona zvakare kushandiswa seanoshanda ekuchengetedza midziyo ye reactive mhinduro.
Kushandiswa kwese
High pressure reactors inogona kushandiswa kune zvese zvinangwa;zvese zvikamu zvinosangana nechikamu chemvura zvinodzivirirwa pakurwiswa kwemakemikari kuburikidza nefluoropolymers.Iyo liner yakavharwa hermetically uye inonamatira mukati meiyo reactor madziro seganda.Saka inosiyana zvakanyanya kubva kune PTFE liner, iyo inoiswa yakavhurika mukati meiyo reactor.Iyo liner yese inosanganisira inobvisika PTFE yekuisa, yekuvhara lining, dip pombi uye agitator sheaths uye PTFE sealing mhete.Zvose izvi zvikamu zvinogona kubviswa uye kudzorerwa zvakare nyore kuitira kuchenesa zvinangwa.Ukobvu hwemadziro e liner hunoenderana nehuwandu hwe reactor uye hunosvika pakati pe 1.6 ne7.4 mm.Iyo lining yebutiro inokwana 3.7 mm gobvu.Iyo yakanyanya kumanikidza yekushanda yemareactor i200 bars uye tembiricha yepamusoro yekuenderera mberi kwekushanda i230 ° C.Kwenguva pfupi (kureva max. 60 min) reactor inogonawo kudziyisa kusvika 260 °C.Kupisa kwepamusoro-soro uye nhanho dzekudziya dzakareba pamusoro pe260°C zvinokuvadza liner yePTFE.
Nekuda kweaya tembiricha akakwira ekushanda, akajairwa PTFE zvikamu zvinova "zvakakanganiswa";asi high pressure reactors zvikamu hazviiti.Izvi zvikamu zvePTFE hazvina kwainoda kwainoda nekuti, nekuda kweiyo isostatic compression-molding nzira yakagadziridzwa nehigh pressure reactor haina gwara raanofarira uye inozvisiyanisa nemakoefifi ekuwedzera mamwe munzvimbo dzese muchadenga."Kukanganiswa" kwezvikamu, kunyange pakushisa kwepamusoro uye kudzvinyirira kunobviswa.
Zvakanakira zvePTFE-lining:
*Simba rinopisa, kwenguva pfupi kusvika +260 °C* Kudzvanya-tight kusvika ku200 bars* Kupikiswa kwese kumakemikari, kunyangwe kune aggressive acids uye alkali* Isinga corrosive* Haina contaminatio
Nguva yekutumira: Jun-06-2017