| 摘要 |
PROBLEM TO BE SOLVED: To mainly prevent a backflow of drain water and jumping-in of the drain water to the other drain inlet part, and to effectively prevent staying of solid matter included in the drain water.SOLUTION: The present invention relates to a drainage header 16 having a plurality of drain inlet parts 21-23 and a single drain outlet part 25, and comprises a straight pipe-like header body 31 having the first drain inlet part 21 on one end and having the drain outlet part 25 on the other end and an oblique insertion pipe part 33 connected to a side surface of this header body 31. Another drain inlet parts 22 and 23 are individually connected via individual pipe parts 36 and 37 to a side surface on one end side of the header body 31 in the oblique insertion pipe part 33. Inspection port parts 41-43 are also provided on an upper surface of a connection part of the header body 31 and the oblique insertion pipe part 33 and a connection part of the oblique insertion pipe part 33 and the individual pipe parts 36 and 37.SELECTED DRAWING: Figure 2 |
