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Title:
フィルタープレス式脱水機のろ布の洗浄方法及びその装置
Document Type and Number:
Japanese Patent JP5371983
Kind Code:
B2
Abstract:
An object is to provide a method and a device for cleaning a filter cloth of a filter press dewaterer that are capable of restoring a filter cloth by effectively cleaning the filter cloth while saving the amount of water used for cleaning without using an acid which requires wastewater treatment. The method is for cleaning a filter cloth of a filter press dewaterer, which dewaters a slurry containing a calcium component, with any one of water, steam, and a mixture thereof. The filter cloth is cleaned by spraying, on the filter cloth to which a tension of 10 to 2000 N/5cm is applied, any one of: water with a temperature of 100 to 140°C and a pressure of 50 to 200 kg/cm 2 ; steam with a temperature of 100 to 140°C; and a mixture thereof.

Inventors:
Masahiko Katakura
Takao Suzuki
Nakamura Tomodo
Hajime Wada
Application Number:
JP2010519766A
Publication Date:
December 18, 2013
Filing Date:
July 06, 2009
Export Citation:
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Assignee:
Mitsui Shipbuilding Co., Ltd.
Taiheiyo Cement Co., Ltd.
International Environmental Technology Transfer Center
International Classes:
B01D41/04; B01D39/08; B08B3/02; B08B11/00; C02F11/12
Domestic Patent References:
JPH0338105U1991-04-12
JPH04122612U1992-11-04
JPH10263318A1998-10-06
JP2000185206A2000-07-04
JPH06304417A1994-11-01
JPS62286510A1987-12-12
JP2001347110A2001-12-18
JP66655Z
JPS53148160A1978-12-23
JPS53126305A1978-11-04
JPH07136430A1995-05-30
JPH0338105U1991-04-12
JPH04122612U1992-11-04
JPH10263318A1998-10-06
JP2000185206A2000-07-04
JPH06304417A1994-11-01
JPS62286510A1987-12-12
JP2001347110A2001-12-18
Foreign References:
WO2007114431A12007-10-11
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Kenji Sato
Takayoshi in the daytime
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita



 
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