JPS5884379U

JPS5884379U - Pump suction water tank with eddy current prevention device

Info

Publication number: JPS5884379U
Application number: JP17947981U
Authority: JP
Inventors: 田籠　雅; 堀江　親延; 高沢　行保
Original assignee: 株式会社荏原製作所
Priority date: 1981-12-03
Filing date: 1981-12-03
Publication date: 1983-06-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ａ、　　ｂは従来のポンプ吸込水槽を示す平面図
と側面図、第２図ａ、　　ｂおよび第３図ａ、　　ｂは
従来の渦防止手段を備えた水槽を示す平面図と側面図で
ある。そして第４図ないし第６図は本考案の実施例を示
し、第４図ａ、　　ｂは１実施例を示す平面図と側面図
、第５図ａ、　　ｂは他の実施例を示す側面図、第６図
ａ、　　ｂは更に他の実施例を示　　　−す平面図と側
面図、第７図ａ、　　ｂは空気吸込防止体の不適当な設
置例を説明するための平面図と側面図である。１・・・後壁、２・・・側壁、３・・・底壁、５・・・
ポンプ、６・・・吸込口、７・・・旋回流防止壁、９・
・・空気吸込防止体、「Ａ・・・空気吸造渦、「Ｓ・・
・吸込口６と水槽底面３を結ぶ水中渦。（α）８′２Ｃα）　　− １２Figures 1a and b are a plan view and a side view of a conventional pump suction water tank; Figures 2a and b and Figures 3a and b are a plan view and a side view of a water tank equipped with a conventional vortex prevention means. It is. FIGS. 4 to 6 show embodiments of the present invention, FIGS. 4a and 4b are plan and side views of one embodiment, and FIGS. 5a and 5 are side views of another embodiment. , FIGS. 6a and 6b are a plan view and a side view showing still another embodiment, and FIGS. 7a and 7b are a plan view and a side view illustrating an example of improper installation of the air suction preventer. It is. 1... Rear wall, 2... Side wall, 3... Bottom wall, 5...
Pump, 6... Suction port, 7... Swirling flow prevention wall, 9...
・Air suction prevention body, ``A... Air suction vortex, ``S...
- An underwater vortex connecting the suction port 6 and the bottom surface 3 of the tank. (α) 8'2 Cα) − 12

Claims

[Scope of utility model registration request]

(1) In a water tank having a side wall, a rear wall, and a bottom wall, and in which the suction pipe of the pump faces approximately on the center line between the side walls, the rear wall is closer to the rear wall than the pump on the center line. A swirl flow prevention wall is erected in contact with the bottom wall, and an air suction prevention body is horizontally installed between the both side walls so as to penetrate the swirl flow prevention wall so as to be submerged below the water surface. A pump suction water tank with a vortex generation prevention device.

(2) A pump suction water tank with a vortex generation prevention device according to claim 1, wherein a gap is provided between the air suction prevention body and the rear wall.

(3) A pump suction water tank with a vortex generation prevention device according to claim 1 or 2 of the utility model registration claim, in which the air suction prevention body comprises a plurality of pipes or plate-shaped bodies.

(4) A pump suction water tank with a vortex generation prevention device according to claim 3 of the utility model registration claim, in which a plurality of pipes or plate-like bodies are arranged horizontally.