| 摘要 |
FIELD: construction.SUBSTANCE: plant comprises working pumps 1, suction and injection pipelines 3, 4 with valves 6, 8, 10, 11 and check valves, a water chamber 2 and a settling tank 7 with a hydraulic elevator 5. The plant comprises an additional line including serially connected working pumps 1, communicated with a discharge pipeline 9 of the hydraulic elevator 5.EFFECT: reduced capital costs for construction of a pumping plant and operating costs for its maintenance, and also increased efficiency of a process of water chamber cleaning and durability of working pumps of shaft pumping plants.4 cl, 1 dwg |
