| 摘要 |
PROBLEM TO BE SOLVED: To provide a dirt discharge device capable of favorably discharging dirt.SOLUTION: A dirt sink which is a dirt discharge device comprises: a drain channel 10; a first standing wall 11 extending vertically and expanding laterally, with its lower end communicating with an inflow port 10B of the drain channel 10; a second standing wall 12 extending vertically and continuous to lateral both ends of the first standing wall 11, and forming a water reservoir part 13 with the first standing wall 11; a bowl 14 expanding upward and outward from upper ends of the first standing wall 11 and the second standing wall 12; and a first discharge port for discharging a main flow which flows downward and obliquely toward a surface of the first standing wall 11 from the upper end of the second standing wall 12 on an oblique and front side of one of lateral directions, with respect to the surface of the first standing wall 11, and crashing onto the surface of the first standing wall 11.SELECTED DRAWING: Figure 3 |
