Title:
SLUDGE DEHYDRATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/084322
Kind Code:
A1
Abstract:
The present invention relates to a sludge dehydration system. The sludge dehydration system (10) is provided with a concentrating device (12) for conveying while concentrating sludge on the upper surface (16a) of a filter cloth belt (16) and a dehydration device (14) for pressurized dehydration of sludge discharged from the concentrating device (12). The concentrating device (12) is provided with a filtration unit (18) for gravity filtration of sludge to which a first chemical has been added, a second chemical feeding device (36) for adding a second chemical to the sludge that is being conveyed through the filtration unit (18), and a moving mechanism (30) for moving the sludge to which the second chemical has been added in a direction that intersects with the direction of conveyance by the filter cloth belt (16).
Inventors:
SUGAWARA YOSHIYUKI (JP)
KUNITANI TADASHI (JP)
HASHIMOTO YOSHITAKA (JP)
KUNITANI TADASHI (JP)
HASHIMOTO YOSHITAKA (JP)
Application Number:
PCT/JP2013/082082
Publication Date:
June 05, 2014
Filing Date:
November 28, 2013
Export Citation:
Assignee:
METAWATER CO LTD (JP)
International Classes:
B01D33/04; B01D33/58; B01D33/80; C02F11/123; C02F11/148
Foreign References:
| JPS61139799U | 1986-08-29 | |||
| JPS58125398A | 1983-07-26 | |||
| JPS60148698A | 1985-08-05 | |||
| JP2003126826A | 2003-05-07 | |||
| JPH0768300A | 1995-03-14 | |||
| JP2005131522A | 2005-05-26 | |||
| JPS6380998A | 1988-04-11 | |||
| JPS4815364A | ||||
| JPS60151696U | 1985-10-08 | |||
| JP2013180262A | 2013-09-12 | |||
| JPS6225095U | 1987-02-16 |
Other References:
See also references of EP 2927198A4
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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