Jun 04, 2026

Square Wave Kauj Ruam Backwashing Rau Ceramic Membranes

Tso lus

 

"explosive backwashing" tuaj yeem ua tiav cov txiaj ntsig zoo thaum ua haujlwm cov khoom siv ceramic. (Feem ntau 3-5 bar) Qhov no tshem tawm cov kab mob thiab, ua ke nrog kev tshem tawm, qhov rov qab siv dua yog feem ntau 1-2 teev / sijhawm. Backwashing yog 5-10 npaug ntawm qhov pom tus nqi, tab sis yuav tsum muaj qhov loj - txoj kab uas hla, lub tank siab rov qab, thiab nruj kom tsis txhob muaj cua nkag rau sab permeate (membrane rupture), uas ua rau ntau cov membrane racks, me me, thiab qhov system complexity.

 

Lub tuam txhab sab saum toj thoob ntiaj teb ceramic membrane tau tsim lwm lub tshuab rov qab siv dua -square yoj kauj ruam rov qab- uas tuaj yeem txo qis rov qab siab thaum tsim cov nyhuv zoo tib yam rov qab. Nws txhim kho kev tu sai sai suav nrog:

  • Thaum kawg ntawm kev pom, kaw lub backwash lub qhov hluav taws xob valve;
  • Pib lub twj tso kua mis rov qab thiab nias rau tus nqi teev;
  • Tuav lub zog kom txog thaum lub zog ua tiav;
  • Tam sim ntawd qhib lub backwash twj tso kua mis qhov hluav taws xob valve, thiab lub backwash txaus tus nqi nce stepwise los ntawm xoom mus rau ncov tus nqi;
  • Kaw lub valve tom qab rov qab ntxuav thiab pib dej ntws tawm.

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Kev sib piv ntawm cov nqi ntws nruab nrab ntawm square wave step backwash thiab qeeb siab nce backwash.

 

Lub hauv paus ntawm square yoj kauj ruam rov qab yog ua kom siab - zaus rov qab ntxuav ua ntej muaj ntau cov kab mob sib sau ua ke, ua tiav kev ua haujlwm ruaj khov. Qhov tseem ceeb tsis yog 20 feeb / voj voog, rov qab ntws tus nqi ntawm 0.5-3 npaug ntawm qhov pom kev txaus, thiab lub sijhawm tsawg dua 15 vib nas this. Cov lus hais saum toj no rov qab ntxuav yog ua txhua 1-2 teev, nrog rau cov dej ntws rov qab ntawm 5-10 npaug ntawm qhov pom qhov txaus.

 

Qhov zoo ntawm square yoj kauj ruam rov qab ua tiav los ntawm kev kaw lub valve thiab siab tsim → instantaneous valve qhib:
* Ceramic daim nyias nyias tuaj yeem siv cov khoom sib xws los ntawm cov txheej txheem organic membrane, ua rau tus nqi qis dua thiab cov qauv yooj yim.
* Cov txheej txheem organic uas twb muaj lawm tuaj yeem hloov pauv ncaj qha mus rau cov khoom siv ceramic, khaws cov twj tso kua mis, cov kav dej, thiab ntsuas ntsuas.
* Nws sib npaug lub neej ntev (15-25 xyoo), kev ruaj ntseg siab, thiab kev ua haujlwm qis ntawm cov khoom siv ceramic.
* Square yoj kauj ruam rov qab ua haujlwm tau zoo, ua haujlwm ntev - lub sijhawm ruaj khov, tus nqi rov qab siab, thiab tuaj yeem txo qis rov qab siab.

Xa kev nug