| 摘要 |
<P>PROBLEM TO BE SOLVED: To treat the contamination of water utilizing a dead space at the center of a culture pond. <P>SOLUTION: This water treatment apparatus for a culture pond includes a water cultivation apparatus 15 with a rotating arm 16 provided with paddle blades 20, floating on the water surface; a carbon fiber filter material 6 provided inside a wall surface part 3; a sludge collecting strainer 9 provided at a bottom part 5; a tower tank 10 storing inside biofilters 11 and having a large number of protrusions on the surfaces and floating by air; and air ejectors 23, 32 disposed inside and outside the tower tank 10 to eject air from an air source, and installed at the center of the pond. A separation chamber 40 connected to the strainer through a connecting pipe 39 is provided below an auxiliary filtration tank 35 storing a biological filter material 37 formed by laminating glass foam filter materials having a large number of pores in the surfaces, and an air lift 48 for feeding treated water to the culture pond is provided at the upper part of the biological filter material. <P>COPYRIGHT: (C)2013,JPO&INPIT |
