Title:
排水用シールピット
Document Type and Number:
Japanese Patent JP6674743
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a seal pit for drainage with an inexpensive and sufficient defoaming effect.SOLUTION: A seal pit for drainage 100 comprises: a drain pipe 1 which has a drain outlet 11 to discharge drain water; and a weir 2 which is a partition between a water storage area A1 in which the drain water discharged from the drain pipe 1 is stored and a discharge area A2 to which the drain water in the water storage area A1 is discharged, and has an open hole 23 to communicate the storage area A1 and the discharge area A2 below a lowest water level LWL of the discharge area A2. A flow channel cross sectional area S of the open hole 23 is set so that the drain outlet 11 is located below the level of the drain water stored in the water storage area A1 and the level of the stored drain water does not exceed the height of the weir 2 even when the maximum amount of drain water is discharged.SELECTED DRAWING: Figure 2
Inventors:
Takashi Kawano
Hiroshi Kawane
Teruhisa Fujita
Hiroshi Kawane
Teruhisa Fujita
Application Number:
JP2015032509A
Publication Date:
April 01, 2020
Filing Date:
February 23, 2015
Export Citation:
Assignee:
Mitsubishi Hitachi Power Systems Co., Ltd.
International Classes:
E02B7/16; E02B8/06
Domestic Patent References:
| JP4039521B2 | ||||
| JP60088739A | ||||
| JP2012154143A | ||||
| JP2008127914A | ||||
| JP2006328811A | ||||
| JP50135824A | ||||
| JP51125959U | ||||
| JP59014504Y2 | ||||
| JP2003268749A |
Foreign References:
| US4279539 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki