Title:
濾過装置
Document Type and Number:
Japanese Patent JP5768487
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a filter which prevents the clogging of a filter body from being caused by foreign matter stuck to a filtering surface of the filter body and in which filtration performance can be effectively maintained even when filtration treatment is continuously performed.SOLUTION: The filter 1 is provided with: a release agent adding means 200 which adds a solid release agent to liquid to be treated to obtain mixed liquid to be treated; a casing 20 which has an inflow port 42 for introducing the mixed liquid to be treated, an outflow port 52 for discharging treated liquid obtained by filtration treatment of the mixed liquid to be treated and an discharge port 62 for discharging concentrated liquid including a separation object separated from the mixed liquid to be treated by filtration treatment and the release agent; and the filter body 30 which is fitted inside the casing 20 so as to divide the inside of the casing 20 into a first chamber where the inflow port 42 is located and a second chamber where the outflow port 52 is located and which has an opened upper part and a lower part connected with the discharge port 62. The liquid to be treated is introduced into the inflow port 42 so as to make mixed liquid to be treated turnably flow in a swirling shape along a first chamber side filter surface of the filter body 30.
Inventors:
Akiwa Yamamoto
Application Number:
JP2011109111A
Publication Date:
August 26, 2015
Filing Date:
May 16, 2011
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
B01D37/02; B01D24/42; B01D24/44; B01D29/11; B01D29/66; B01D29/90; B01D29/92; B01D29/94; B01J20/24; B01J20/26
Domestic Patent References:
| JP56121604A | ||||
| JP6205906A | ||||
| JP1249119A | ||||
| JP54086877A | ||||
| JP2007537748A | ||||
| JP61038611A | ||||
| JP2004057934A | ||||
| JP2003190713A | ||||
| JP2012161749A |
Foreign References:
| US6319417 |
Attorney, Agent or Firm:
Yuji Hayakawa
Keisuke Murasame
Keisuke Murasame