Title:
細粒材の圧送方法
Document Type and Number:
Japanese Patent JP4052970
Kind Code:
B2
Abstract:
To provide a method for force-feeding a fine grain material, in which the separation of the fine grain material is prevented while a fluid resistance can be lowered and the mixing ratio of a thickener can be reduced when the inside of a ground is supplied with the fine grain material such as sand, a silt, iron powder, iron oxide or the like together with water.
A slurry containing the fine grain material, the thickener and water is prepared, the fine bubble-filled slurry is obtained by supplying fine bubbles from the bottom section of the slurry in an agitating tank and the fine bubble-filled slurry is force-fed into the ground by a pump.
COPYRIGHT: (C)2005,JPO&NCIPI
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Inventors:
Makoto Otsuka
Shuji Isoya
Kyuya Fukada
Shuji Isoya
Kyuya Fukada
Application Number:
JP2003125387A
Publication Date:
February 27, 2008
Filing Date:
April 30, 2003
Export Citation:
Assignee:
Fudo Tetra Co., Ltd.
International Classes:
B09B3/00; E02D3/12; B09C1/02; B09C1/08
Domestic Patent References:
| JP1264944A | ||||
| JP2001205248A |
Attorney, Agent or Firm:
Kenji Akatsuka