The domestic development of irrigation and drainage pumping station

irrigation and drainage pumping station, the development of irrigation and drainage pumping station, the condition of irrigation and drainage pumping station since 1949, along with the rapid development of industry and agriculture, irrigation and drainage and irrigation standard enhancement, plateau irrigation area developing, along the lakeside stains waterlogging area of governance, underground development and utilization of resources, as well as the implementation of multi-objective large-scale inter-basin water transfer project, etc. , make the mechanical and electrical carry water irrigation and drainage undertakings have made great development in our country, irrigation and drainage pumping station equipment capacity and benefit of irrigation and drainage has increased to one hundred times. From the 1949 national electromechanical drainage and irrigation power 71343 kW, benefit from an area of 3. 28 million mu, and so far has been built large, medium and small fixed pump more than 50, ten thousand, a total installed capacity of more than 7000 kW, mechanical and electrical drainage and irrigation area of 500 million mu, the pumping station water drainage and irrigation area of area of the country's effective drainage and irrigation area of 21% and 56%. Our country has built the maximum flow of jiangdu water conservancy, irrigation and drainage pumping station water flow rate of 508. 2 m3 / s, has become the source of the eastern route of pumping station. Huaian irrigation and drainage pumping station 2 station installed the largest diameter of axial flow water pump impeller, the impeller diameter of 4. Bm, single pump flow 60 ffl3 / s, single power 5. DOkW。 Om, 97 single pump flow. 5 ma/s, single power 7000 kw. In donglei water pumping project design discharge 60 m3 / s, 8 carry water, the cumulative net jan 311 m, 80 single power & # 39; OOkW, form a complete set of total power of 120000 kW. XFX second phase of the 18th carry water and net lift 602 m over the design of irrigation area of 500000 mu. The irrigation and drainage pumping station from engineering design, construction and installation to equipment design and manufacturing, communication scheduling aspects adopted many advanced techniques. Mechanical and electrical drainage and irrigation in China has made remarkable achievements, but there are also some problems. Outstanding performance in irrigation and drainage pumping station equipment aging and benefit attenuation, irrigation and drainage pumping station of low efficiency and large energy consumption, low water standard, extensive management, etc. Irrigation and drainage pumping station is mainly used in water pump are: non-clog submersible sewage water pump, ISW horizontal centrifugal pumps, double suction centrifugal pump and so on.

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