諾冠NORGREN過濾器維護(hù)保養(yǎng)心得所談
英國(guó)諾冠NORGREN過濾器待處理的水由水口進(jìn)入機(jī)體,水中的雜質(zhì)沉積在不銹鋼網(wǎng)上,由此產(chǎn)生壓差。通過壓差開關(guān)監(jiān)測(cè)進(jìn)出水口壓差變化,當(dāng)壓差達(dá)到設(shè)定值時(shí),電控器給水力控制閥,驅(qū)動(dòng)電機(jī)信號(hào)。設(shè)備安裝后,由技術(shù)人員進(jìn)行調(diào)試,設(shè)定過濾時(shí)間和清洗轉(zhuǎn)換時(shí)間,待處理的水由入水口進(jìn)入機(jī)體,過濾器開始正常工作,當(dāng)達(dá)到預(yù)設(shè)清洗時(shí)間時(shí),電控器給水力控制閥,驅(qū)動(dòng)電機(jī)信號(hào),引發(fā)下列動(dòng)作:電動(dòng)機(jī)帶動(dòng)刷子旋轉(zhuǎn),對(duì)濾芯進(jìn)行清洗,同時(shí)控制閥打開進(jìn)行排污,整個(gè)清洗過程只需持續(xù)數(shù)十秒鐘,當(dāng)清洗結(jié)束時(shí),關(guān)閉控制閥,電機(jī)停止轉(zhuǎn)動(dòng),系統(tǒng)恢復(fù)至其初始狀態(tài),開始進(jìn)入下一個(gè)過濾工序。過濾器的殼體內(nèi)部主要由粗濾網(wǎng),細(xì)濾網(wǎng),吸污管,不銹鋼刷或不銹鋼吸嘴,密封圈,防腐涂層,轉(zhuǎn)動(dòng)軸等組成。用過濾介質(zhì)把容器分隔為上、下腔即構(gòu)成簡(jiǎn)單的過濾器。懸浮液加入上腔,在壓力作用下通過過濾介質(zhì)進(jìn)入下腔成為濾液,固體顆粒被截留在過濾介質(zhì)表面形成濾渣(或稱濾餅)。過濾過程中過濾介質(zhì)表面積存的濾渣層逐漸加厚,液體通過濾渣層的阻力隨之增高,過濾速度減小。當(dāng)濾室充滿濾渣或過濾速度太小時(shí),停止過濾,清除濾渣,使過濾介質(zhì)再生,以完成一次過濾循環(huán)。
M/50/EAP/2V M/50/LSU/10V
M/50/LSU/2V QM/34/2
M/50/LSU/5V QM/32/5
M/50/EAP/CP QM/34/P
M/50/EAP/5V QM/32/10
QM/32/P QM/34/10
M/50/RAC/5V M/50/EAN/5V
QM/34/S/5 QM/32/2
QM/34/5 M/50/EAP/CC/2
M/50/EAP/CC
RM/8025/M/125 RT/57220/M/10 RT/57232/M/40 RT/57225/M/125 RM/8012/M/100 RM/8021/M/50
RM/8025/M/50 RT/57225/M/25 RT/57140/M/50 RM/28025/M/50 RT/57250/M/50 RM/8021/M/200
RM/8016/M/50 RT/57232/M/80 RT/57220/M/50 RM/8025/M/250 RT/57225/M/40 RM/8020/M/10
RT/57220/M/25 RT/57225/M/50 RM/8026/M/50 RT/57263/M/80 RT/57216/M/10 RM/8017/M/50
RM/8010/M/10 RM/8025/M/100 RM/8025/M/40 RM/8010/M/25 RM/8026/M/250 RM/8016/M/80
RT/57225/M/80 RT/57250/M/200 RM/8026/M/80 RT/57240/M/50 RM/8020/M/100 RM/8012/M/10
RT/57240/M/100 RT/57240/M/25 RM/8025/M/200 RM/8012/M/50 RT/57125/M/50 RM/55441/M/100