SURFACE LAYER WATER FLOW GENERATING PUMP SYSTEM AND SURFACE LAYER WATER FLOW GENERATING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a surface layer water flow generating pump system which generates surface layer water flow over a wide range of a water basin. SOLUTION: The water supplied by the pump 1 is injected from plural holes 3 of water release pipes 2 installed on a water surface respectively toward the inside of the water surface nearly parallel with the water surface, by which the surface layer flow of the water is generated over the wide range of the water surface. The materials, such as water blooms, floating on the water surface are driven only to the surface layer water and only the water of the lower layer can be passed. As a result, the water containing dust, and the like, at a lower level may be selectively taken in.