Title:
好気性生物処理装置
Document Type and Number:
Japanese Patent JP6610688
Kind Code:
B2
Abstract:
Provided is an aerobic biological treatment device 1 comprising: a reaction tank (a tank body) 2; a water-permeable plate 3 installed horizontally in the lower part of the reaction tank 2; a large-diameter particle layer 4 formed on the upper side of the water-permeable plate 3; a small-diameter particle layer 5 formed on the upper side of the large-diameter particle layer 4; an oxygen-dissolving membrane module 6 arranged on the upper side of the small-diameter particle layer 5; a reception chamber 7 formed on the lower side of the water-permeable plate 3; a raw water spray tube 8 for supplying raw water within the reception chamber 7; and an air diffuser tube 9 installed for the purpose of diffusing air within the reception chamber 7. The oxygen-dissolving membrane module 6 comprises an upper header 20, a lower header 21, and hollow fiber membrane strands 22 arranged so as to span the area between the headers 20, 21.
Inventors:
Hideki Kobayashi
Tetsuro Fukase
Tetsuro Fukase
Application Number:
JP2018028197A
Publication Date:
November 27, 2019
Filing Date:
February 20, 2018
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
C02F3/08; B01D63/04; B01F1/00; B01F3/04; B01F5/00
Domestic Patent References:
| JP64090093A |
Foreign References:
| US20180022625 | ||||
| CN107428577A | ||||
| WO2018100841A1 | ||||
| WO2018168022A1 |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
Takayuki Shigeno
Takayuki Shigeno