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Patent Searching and Data


Title:
WATER TREATMENT SYSTEM
Document Type and Number:
Japanese Patent JP2007125511
Kind Code:
A
Abstract:

To provide a water treatment system capable of washing a filtering screen and a protective pipe, and largely reducing running cost, without using electric power.

This water treatment system comprises a vessel 1 equipped with a filtering chamber 101 provided with the cylindrical screen 2 filtering raw water and a drain chamber 102 equipped with an on-off valve 4; a rotary washer 3 equipped with a suction nozzle 3b in the filtering chamber 101 and a discharge port 3c in the drain chamber 102; and an ultraviolet irradiation unit 11 equipped in the filtering chamber 101.


Inventors:
SUGAWARA YOSHIYUKI
ITO TAKAHIRO
DEIDOU FUMIO
OKUBO YASUHIRO
HONDA MAKOTO
SHIMABUKURO KIMIO
KURIHARA TOSHIYA
MATSUFUJI KANJI
Application Number:
JP2005321275A
Publication Date:
May 24, 2007
Filing Date:
November 04, 2005
Export Citation:
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Assignee:
NISHIHARA KK
NISHIHARA ENVIRONMENT TECH INC
NISHIHARA ENG
NISHIHARA WATERTECH CORP LTD
NISHIHARA NEO CO LTD
NISHIHARA TECHNO SERVICE CO LT
International Classes:
C02F1/32; B01D29/11; C02F1/72
Attorney, Agent or Firm:
Hiroaki Tazawa
Konobu Kato
Hideaki Tazawa
Hamada Hatsune