In recent years, the process of urbanization in China has accelerated, but in the rainstorm season, the problem of urban flood control and drainage has been highlighted. Said the sewer is a city's conscience, London in this area is definitely in the forefront of the world. The sewer works from more than 100 years ago has reached a certain scale, today, it is also constantly building and improving. Drainage works can not be separated from a wide range of submersible pumps and sewage pumps, small series from the Internet to collect some of the London Lee Tunnel project information and drainage pumps to enjoy you.
[Recommended: Henan, Hubei, and many other provinces widely used in the municipal Shanghai Weihu sewage pump】
The Thames Water Lee Tunnel is part of the Thames Waterway Improvement Program in London. The Thames River London Tide Improvement Program is the UK's most expensive water conservancy project. At the end of the project, the total length of the pipeline will be 39 km, with approximately 40 shafts. The pipeline, built along the River Thames, is located 25 to 80 meters below it and will be one of the deepest pipes in London and one of the deepest sewers in Europe.
The tunnel will be built at the end of the tunnel, which is nearly 6.9 kilometers long. It is the first stage of the huge construction project. The purpose of the project is to prevent rainstorms and sewage from entering the Thames during the rainstorm season. The shaft diameter of the tunnel is as high as 7.2 meters and can withstand and temporarily store about 3500,000 cubic meters of rainwater.
KSB offers a total of six pumping units for the Lee Tunnel Project in London and is installed at shafts 85 meters below the Beckton Sewage Treatment Plant in London, Britain's largest sewage treatment plant, for storm water and sewage.
This includes two slightly smaller drain pumps and four 52 tons of sewage pumps. These pumps are KSB GIW's largest and the world's largest sewage pump. Each sewage pump by the 6600V, 3.4MW motor frequency drive, impeller diameter of 2.2 meters. The project requires high wear resistance of the sewage pump, the use of white cast iron material. In order to prevent the motor temperature is too high, pump manufacturers are also equipped with special heat exchanger for the underground works. These heat exchangers can significantly reduce the energy required to dissipate heat compared to an equivalent air-cooling system.
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