| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method and a device for supplying air of a sump, in which aerobic microorganisms are activated and continuous aeration is conducted and air is introduced. SOLUTION: One or a plurality of aeration pipes 1 are installed in depth of approximately 10 cm from a level, a plurality of the outlets of air 1a are formed to the pipes, these aeration pipes are supplied with air from an air pump 2 mounted on the outside, and the inside of a liquid in a sump is supplied with air from the outlets of air 1a. The aeration pipes 1 are erected and set up so that the mouth edges 1b of the aeration pipes 1 are faced near the level at that time, the pipes 1 are fed with air from the air pump 2 fitted on the outside, a liquid in the upper layer section of the sump is injected to the rear of a cover Y for a grease trap from the mouth edges, and air is supplied by dropping water droplets onto the level.</p> |
