Title:
WASTEWATER TREATMENT APPARATUS, EXHAUST GAS RECIRCULATION UNIT, ENGINE SYSTEM, AND SHIP
Document Type and Number:
Japanese Patent JP2013255876
Kind Code:
A
Abstract:
To provide a wastewater treatment apparatus operated with small energy, facilitating maintenance, reducible in installation space and capable of accurately removing soot dust from scrubber wastewater.
A wastewater treatment apparatus 32 removing soot dust from scrubber wastewater that contains soot dust, includes a precipitation-separation part 40 having an inclined surface 48 forming a predetermined angle to a horizontal direction, and precipitating soot dust on the inclined surface 48 to separate the soot dust from the scrubber wastewater; and a centrifugal separation part 60 disposed downstream of the precipitation-separation part 40 to separate soot dust from the scrubber wastewater by centrifugal separation treatment.
Inventors:
NISHIYAMA AI
HIRATA SHIGEHIDE
INOMATA AKIHIKO
HIGASHIDA MASANORI
NOGAMI TETSUO
INTO NAOKO
HIRATA SHIGEHIDE
INOMATA AKIHIKO
HIGASHIDA MASANORI
NOGAMI TETSUO
INTO NAOKO
Application Number:
JP2012132293A
Publication Date:
December 26, 2013
Filing Date:
June 11, 2012
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
B01D21/26; B01D21/02; B01D47/00; B01D47/02; B01D47/06; B63H21/32; F02M25/07; B63B25/08; B63J2/08
Domestic Patent References:
| JP2004081933A | 2004-03-18 | |||
| JP2003502138A | 2003-01-21 | |||
| JPS5128263A | 1976-03-10 | |||
| JPS5325973A | 1978-03-10 | |||
| JPH07189658A | 1995-07-28 | |||
| JP2001138235A | 2001-05-22 | |||
| JPS5756087A | 1982-04-03 | |||
| JPH08155496A | 1996-06-18 | |||
| JP2001234374A | 2001-08-31 |
Foreign References:
| WO2011104302A1 | 2011-09-01 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office