Mutual backwashing ultra-filtration device

The invention discloses a mutual backwashing ultra-filtration device. The device comprises a water inlet valve, a pretreatment assembly, a first electric three-way ball valve, a second electric three-way ball valve, a first ultra-filtration membrane set, a second ultra-filtration membrane set, a fir...

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Main Authors YAO MENG, HONG YUBIN, LIN YAQIANG, CHEN BAIYI
Format Patent
LanguageChinese
English
Published 12.04.2019
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract The invention discloses a mutual backwashing ultra-filtration device. The device comprises a water inlet valve, a pretreatment assembly, a first electric three-way ball valve, a second electric three-way ball valve, a first ultra-filtration membrane set, a second ultra-filtration membrane set, a first electric ball valve, a second electric ball valve, a water outlet valve, a normally-open electromagnetic valve, a programmable time control part, a differential pressure control part and a drainage ditch. According to the device, the first ultra-filtration membrane set and the second ultra-filtration membrane set are used for cleaning through mutual backwashing; water produced by the first ultra-filtration membrane set backwashes the second ultra-filtration membrane set, then water produced by the second ultra-filtration membrane set backwashes the first ultra-filtration membrane set, finally tap water washes the first ultra-filtration membrane set and the second ultra-filtration membraneset from the front, and
AbstractList The invention discloses a mutual backwashing ultra-filtration device. The device comprises a water inlet valve, a pretreatment assembly, a first electric three-way ball valve, a second electric three-way ball valve, a first ultra-filtration membrane set, a second ultra-filtration membrane set, a first electric ball valve, a second electric ball valve, a water outlet valve, a normally-open electromagnetic valve, a programmable time control part, a differential pressure control part and a drainage ditch. According to the device, the first ultra-filtration membrane set and the second ultra-filtration membrane set are used for cleaning through mutual backwashing; water produced by the first ultra-filtration membrane set backwashes the second ultra-filtration membrane set, then water produced by the second ultra-filtration membrane set backwashes the first ultra-filtration membrane set, finally tap water washes the first ultra-filtration membrane set and the second ultra-filtration membraneset from the front, and
Author CHEN BAIYI
LIN YAQIANG
YAO MENG
HONG YUBIN
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Snippet The invention discloses a mutual backwashing ultra-filtration device. The device comprises a water inlet valve, a pretreatment assembly, a first electric...
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METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Title Mutual backwashing ultra-filtration device
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