全自動列管式反沖(chong)洗(xi)過(guo)濾(lv)(lv)器(qi)(qi)多(duo)為兩臺(tai)(A/B)或多(duo)臺(tai)并聯(lian)切換使用(yong)(yong)。正常過(guo)濾(lv)(lv)操作(zuo)時(shi),過(guo)濾(lv)(lv)器(qi)(qi)A全流量運(yun)行(xing)(xing),過(guo)濾(lv)(lv)器(qi)(qi)B備機待用(yong)(yong)。當系統運(yun)行(xing)(xing)壓差(總進(jin)、出口壓力降)達(da)到(dao)設(she)定值或系統運(yun)行(xing)(xing)時(shi)間(jian)達(da)到(dao)設(she)定值,過(guo)濾(lv)(lv)器(qi)(qi)系統自動投用(yong)(yong)過(guo)濾(lv)(lv)器(qi)(qi)B,將過(guo)濾(lv)(lv)器(qi)(qi)A切出過(guo)濾(lv)(lv)操作(zuo)。此(ci)時(shi)對過(guo)濾(lv)(lv)器(qi)(qi)A進(jin)行(xing)(xing)液體反向沖(chong)洗(xi),過(guo)濾(lv)(lv)器(qi)(qi)A反沖(chong)洗(xi)后備用(yong)(yong)。