Thawj kauj ruam hauv daim ntawv thov ntawm diatomite lim pab hauv titanium pom yog ua ntej txheej, uas txhais tau hais tias ua ntej titanium filtration lag luam, diatomite lim pab tau siv rau lub lim nruab nrab, uas yog, cov ntaub lim dej. Cov diatomite tau npaj rau hauv kev ncua rau hauv ib qho kev faib ua feem (feem ntau 1∶8 ~ 1∶10) hauv lub tank ua ntej txheej, thiab tom qab ntawd qhov kev ncua yog nkag mus rau hauv lub lim xovxwm uas muaj dej ntshiab lossis lim los ntawm lub twj tso kua mis ua ntej txheej, thiab rov ua dua (kwv yees li 12 ~ 30min) kom txog thaum cov kua dej ntshiab.
Nyob rau hauv no txoj kev, ib tug uniformly faib precoating yog tsim nyob rau hauv lub lim nruab nrab (nias daim ntaub). Txhawm rau npaj kev ncua, feem ntau siv cov dej ntshiab, tab sis kuj tuaj yeem siv cov kua dej ntshiab titanium. Tus nqi ntawm diatomite siv rau txheej ua ntej yog feem ntau 800 ~ 1000g / m2, thiab qhov siab tshaj plaws ntawm cov txheej txheem ua ntej yuav tsum tsis pub tshaj 0.2m3 / (m2? H). Precoating yog lub hauv paus lim txaj rau titanium kua pom, thiab nws qhov zoo yog ncaj qha cuam tshuam rau kev vam meej ntawm tag nrho cov filtration voj voog.
Pre-coating yuav tsum tau them sai sai rau cov ntsiab lus hauv qab no:
(1) Thaum lub sij hawm ua ntej txheej, tus nqi ntawm diatomite yuav tsum yog 1 ~ 3 hli tuab lim txheej. Siv cov kev paub dhau los ntawm lub Hoobkas ua piv txwv, 80m2 phaj thiab thav duab lim xovxwm tau siv, thiab 100kg ntawm diatomite lim pab tau ntxiv txhua lub sijhawm thaum txheej txheej ua ntej, uas tuaj yeem lim tsis tu ncua rau 5d thiab tsim 17-18T ntawm cov khoom tiav txhua hnub.
(2) Thaum precoating, lub phaj thiab thav duab lim xovxwm yuav tsum tau ntim nrog cov kua ua ntej, thiab huab cua yuav tsum tau tawm ntawm sab sauv ntawm lub tshuab;
(3) pre-coating yuav tsum txuas ntxiv mus ntaus lub voj voog. Vim tias lub ncuav mog qab zib lim tsis tau tsim thaum pib, qee cov khoom zoo yuav dhau los ntawm cov ntaub lim dej thiab nkag mus rau hauv cov lim dej. Kev ncig tuaj yeem cuam tshuam cov lim dej ntawm qhov chaw ntawm lub ncuav mog qab zib lim dua. Qhov ntev ntawm lub voj voog lub sij hawm nyob ntawm seb qhov pom tseeb uas yuav tsum tau ua rau cov lim dej.
Cov kauj ruam thib ob yog ntxiv kom pom. Thaum cov titanium kua uas muaj cov khoom thiab colloid impurities raug lim, tom qab ua ntej txheej, nws tsis tas yuav ntxiv diatomite lim pab lim ncaj qha. Thaum lim cov titanium cov kua uas muaj ntau cov khoom thiab colloidal impurities, los yog thaum lim cov titanium kua nrog ntau dua concentration thiab viscosity, ib tug tsim nyog tus nqi ntawm diatomite lim pab yuav tsum tau ntxiv rau lub filtering titanium kua. Txwv tsis pub, qhov saum npoo ntawm cov txheej ua ntej yuav raug them nrog cov khoom thiab colloidal impurities sai sai, thaiv cov lim channel, kom lub siab poob ntawm ob sab ntawm lub ncuav mog qab zib lim yuav nce sai, thiab lub voj voog lim yuav luv heev.
Lub sij hawm xa tuaj: Plaub Hlis-20-2022