Title:
DRAINAGE PUMP EQUIPMENT AND DRAINAGE METHOD
Document Type and Number:
Japanese Patent JP2017180250
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide drainage pump equipment and a drainage method, capable of performing a stable drainage without using any complex control.SOLUTION: This invention relates to a drainage pump equipment [100] installed at a vertical shaft [90] provided with an inflow water passage [92] at its bottom part. The drainage pump equipment [100] is provided with several drainage pumps [10, 20] arranged side-by-side in a vertical direction from a lower position to an upper position; and an intermediate water tank [30] arranged between the two drainage pumps [10, 20] of different installation heights in a vertical direction, a drainage port of a lower side and upstream side drainage pump [10] in a vertical direction of the two drainage pumps [10, 20] and an intake port of an upper side and downstream side drainage pump [20] in a vertical direction of the two drainage pumps [10, 20] are connected to the same intermediate water tank [30].SELECTED DRAWING: Figure 1
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Inventors:
CHIBA MAKOTO
KATO JUN
UCHIDA YOSHIHIRO
KATO JUN
UCHIDA YOSHIHIRO
Application Number:
JP2016067484A
Publication Date:
October 05, 2017
Filing Date:
March 30, 2016
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D13/14; F04D13/16; F04D15/00
Attorney, Agent or Firm:
Seiji Ohno
Kobayashi Hideyoshi
Hiroyuki Ohno
Koji Morita
Osamu Tsuda
Matsuno Chihiro
Seiichi Sakitani
Tsukuda Seigen
Hiroshi Nomoto
Kobayashi Hideyoshi
Hiroyuki Ohno
Koji Morita
Osamu Tsuda
Matsuno Chihiro
Seiichi Sakitani
Tsukuda Seigen
Hiroshi Nomoto
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