JPS5641500A - Pumping device - Google Patents
Pumping deviceInfo
- Publication number
- JPS5641500A JPS5641500A JP11656679A JP11656679A JPS5641500A JP S5641500 A JPS5641500 A JP S5641500A JP 11656679 A JP11656679 A JP 11656679A JP 11656679 A JP11656679 A JP 11656679A JP S5641500 A JPS5641500 A JP S5641500A
- Authority
- JP
- Japan
- Prior art keywords
- air
- pressure
- jet
- suction pipe
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To obtain easily a pushing pressure to give a required head, by utilizing respective principles of an air-lift pump and a jet pump at the same time to nullify disadvantages when each of those pumps is used individually.
CONSTITUTION: The air is pushed into a tube from an air introduction opening 7 through a duct 5 by which to push the air in to become bubbles 16 and floats up in a suction pipe 1. At the upper section of the suction pile 1, the water pressurized by another pump is supplied into a conduit 10 from a jet nozzle in the jet direction into the tube to become an air flow 14. Existence of the bubbles 16 which reduces the mixed specific weight in the suction pipe 1 and negative pressure generation by the jet stream cooperate to reduce the pressure at the inlet 12 of the suction pipe 1 lower than the ambient pressure, and develop a pumped water flow 15. This water flow flows in parallel with the air flow 14, and the pressure in the tube rises at the mixing section 3. Because this reduces the volume of the air flow 14 to a smaller volume, making the larger the cross section through which the liquid flows, and improving pressure recovery efficiency, only adjusting the air volume pushed in gives the pressure to push up the water by a required head.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11656679A JPS5641500A (en) | 1979-09-10 | 1979-09-10 | Pumping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11656679A JPS5641500A (en) | 1979-09-10 | 1979-09-10 | Pumping device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5641500A true JPS5641500A (en) | 1981-04-18 |
JPS6125920B2 JPS6125920B2 (en) | 1986-06-18 |
Family
ID=14690272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11656679A Granted JPS5641500A (en) | 1979-09-10 | 1979-09-10 | Pumping device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5641500A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4702676A (en) * | 1984-10-15 | 1987-10-27 | Canadian Patents And Development Limited | Liquid driven pump or propulsive apparatus |
JPH02102400A (en) * | 1988-10-07 | 1990-04-13 | Hitachi Kiden Kogyo Ltd | Sand lifting pump |
CN105889142A (en) * | 2016-04-22 | 2016-08-24 | 中国水利水电科学研究院 | Gas explosion pump device |
-
1979
- 1979-09-10 JP JP11656679A patent/JPS5641500A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4702676A (en) * | 1984-10-15 | 1987-10-27 | Canadian Patents And Development Limited | Liquid driven pump or propulsive apparatus |
JPH02102400A (en) * | 1988-10-07 | 1990-04-13 | Hitachi Kiden Kogyo Ltd | Sand lifting pump |
CN105889142A (en) * | 2016-04-22 | 2016-08-24 | 中国水利水电科学研究院 | Gas explosion pump device |
CN105889142B (en) * | 2016-04-22 | 2018-02-27 | 中国水利水电科学研究院 | A kind of gas explosion pump installation |
Also Published As
Publication number | Publication date |
---|---|
JPS6125920B2 (en) | 1986-06-18 |
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