Iro anti-corrosion strategy yefence ine simba guru pakushandisa nguva yefenzi. Huwandu hwemakore ekushandiswa kweguardrail highway network kazhinji makore gumi. Vamwe vagadziri vadiki vanosangana nezvinodiwa nevatengi nemitengo yakaderera. Kuti uchengetedze mari yekudyara, kugadzirwa kwezvipingamupinyi zvekuzviparadzanisa kune hurombo, uye nguva yekushandiswa zvakare makore matatu kusvika mana. Hazvibviri kufunga nezvekushandiswa kwezviyero zvachose. Pano isu tinozivisa vatengi vedu vemakambani, saka pakusarudza fenzi, iwe unofanirwa kusarudza yakarongeka nyanzvi yekugadzira, uye usamboda kutenga zvigadzirwa zvakaderera.
Fenzi dzinozivikanwawo sezvipingaidzo. Rinoreva fenzi yakagadzirwa nesimbi yakasimba, iyo inogona kudzivirira vanhu kana mhuka kupinda mumuganhu wemugwagwa. Mubhedha wakazara mvura chikamu chechipiri chekuyerera kwemvura. Mumubhedha wakagadziriswa reactor, chiyero chekuyerera (W) chinoramba chichiwedzera, mubhedha unotanga kuzvimba uye kusunungura, uye chikamu chimwe nechimwe chinoyangarara kumusoro, saka kusvika pamwero wakati Siya chinzvimbo chepakutanga. Wobva wapinda munhanho yemubhedha wemvura. Chikamu chebc chinoratidza kuti kureba kwehupfu hwehupfu mumubhedha wemvura (i) inowedzera nekuwedzera kwemhepo yegesi, asi kumanikidzwa mumubhedha wemvura (p) hakuwedzeri. Chimiro chemubhedha wemvura ndeyekushandura chiyero chekuyerera mukati meimwe nzvimbo pasina kukanganisa simba reyuniti rinodiwa nemvura. Kufanana kwemvura yehupfu ndiyo kiyi yekufanana kwehuputi.
Imwe yeakananga anti-corrosion nzira dzefenzi inzira yekunyudza. Parizvino, iyo yakanyanya kukwana kongiri yekumisikidza nzira muChina ndiyo nzira yehupfu yekumisikidza, iyo inotorwa kubva kune fluidized mubhedha nzira. Iyo gasi jenareta inosarudza mubhedha wakanyungudutswa unowanzo shandiswa kunyungudutswa kwemafuta, uye wobva wagadzira yakasimba-gasi maviri-pase yekubata yekugadzira tekinoroji, iyo inoshandiswa zvishoma nezvishoma mukupfeka simbi. Saka dzimwe nguva inonzi "fluid bed coating method". Iyo chaiyo maitiro ndeyekuwedzera poda coating kune yepasi porous infiltration mudziyo (kuyerera tank), uye kutumira iyo yakabatwa yakamanikidzwa mhepo kubva kune feni kuti hupfu hwekufukidzira hutsvedzere pamusoro pe "fluidized state". Inova hupfu hwakatsetseka hwakapararira hwakafanana. Railway fenzi, mafenzi emanisipala, uye bilateral waya fenzi vari kupisa kusvika pakunyunguduka upfu unhani pashure degreasing uye kudziyisa, uye epurasitiki upfu zvichava zvakaenzana kuparadzirwa uye akanamatira pamubhedha fluidized, uye ipapo plasticized polima kuyambuka kuyerera kuita simbi epurasitiki Composite zvigadzirwa.
Nguva yekutumira: May-12-2020