Title:
BIOFILM WATER TREATMENT DEVICE HAVING NON-POWERED BACKWASHING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2015/076562
Kind Code:
A2
Abstract:
A biofilm water treatment device having a non-powered backwashing function is disclosed. The biofilm water treatment device comprises: a precipitation tub for precipitating contamination material mixed with water flowing therein; and a filtration and backwashing unit. The filtration and backwashing unit comprises: a filter medium layer for performing water treatment, through a filtration and backwashing process, on water flowing therein by using aerobic microorganism and anaerobic microorganism; a first drain pipe of which the bottom end is positioned to be higher than the bottom end of the filter medium layer, the top part thereof is sealed, and the bottom part thereof is formed to be open, inside the filter medium layer; a second drain pipe inserted into the first drain pipe and of which the top and bottom parts are open and the bottom part is connected to the precipitation tub; a third drain pipe for supplying water to the filter medium layer; a support net for supporting the filter medium layer at the bottom part of the filter medium layer and discharging water passing through the filter medium layer to the bottom part of the support net; and a support member for supporting the support net between the support net and ground and forming a space for supplying water discharged downward through the support net to the first drain pipe.
Inventors:
BECK YOUNG SEOG (KR)
PARK BYEON JU (KR)
PARK BYEON JU (KR)
Application Number:
PCT/KR2014/011138
Publication Date:
May 28, 2015
Filing Date:
November 19, 2014
Export Citation:
Assignee:
EPS ENE CO LTD (KR)
International Classes:
C02F3/04; B01D65/02; C02F1/52
Foreign References:
| JPH07204686A | 1995-08-08 | |||
| JPH0889989A | 1996-04-09 | |||
| KR100817610B1 | 2008-03-31 | |||
| KR101346604B1 | 2014-01-03 | |||
| KR19980072892A | ||||
| KR20060034267A | 2006-04-21 |
Attorney, Agent or Firm:
SON, TAE WON (KR)
손태원 (KR)
손태원 (KR)
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