FIELD: engines and pumps.
SUBSTANCE: proposed system with water bypassing from intermediate bed to underlying bed comprises pump station located at bottom bed, pressure pipeline 4 and bypass pipelines 7, 8 at top beds equipped with valves 5, 9, 10 and check valves 6, 11, 12. Pump station is made up of multistage radial-flow pump 2. Bypass pipelines 7, 8 are connected to inlets of runner of pump 2 in compliance with bypass pipeline heads at the level of pump station.
EFFECT: reduced power consumption.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| MAIN WATER-PUMPING INSTALLATION FOR MINE | 0 |
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|
RU2742480C1 |
| WATER-PUMPING UNIT | 0 |
|
SU1726659A1 |
