| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sludge recovery tool suitable to be used as means for recovering solidified sludge from a bed dried in the sun, for example, in a water purification plant. <P>SOLUTION: With respect to the sludge recovery tool 1 which is a box opened in the top face and having water permeability in the side faces and bottom face, the box of the sludge recovery tool 1 is formed by joining corner parts of a square upper frame 2 and a square lower frame 3 with vertical frames 4 and the side faces are guaranteed to have the water permeability by bridging vertical beams 5 over two sides selected from the square upper frame 2, the square lower frame 3, and vertical frames 4 and thus forming gaps 52 among the vertical beams 5. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
