FINE BUBBLE GENERATOR

PROBLEM TO BE SOLVED: To provide a fine bubble generator capable of generating fine bubbles, and having a small substantial occupied space. SOLUTION: The fine bubble generator has a container main body 1 having a space of a bottomed cylindrical shape, a liquid introduction channel 2 and a gas introduction channel 3 led to the inside of the container main body 1 from outside through its bottom wall, and a swirling gas-liquid mixture outlet 4 provided at the tip of the container main body 1. The gas introduction channel is arranged on the shaft core J of the container main body 1 or its vicinity, and at least an inner end area of the liquid introduction channel 2 is arranged in the periphery of the shaft core J of the container main body 1 in a spiral shape. COPYRIGHT: (C)2006,JPO&NCIPI