The world's first zui large horizontal single-stage double suction centrifugal pump is in place

The world's first zui large horizontal single-stage double suction centrifugal pump is in place
On December 16, the world's first Zui large horizontal single-stage double-suction centrifugal pump - the No. 8 unit of Beijing Huinanzhuang Pumping Station in the middle line of the South-to-North Water Transfer Project was successfully hoisted three days earlier than originally planned. China Hydropower Group undertakes construction tasks.

The hoisting equipment is an impeller rotor, bearing support, thrust bearing, sliding bearing and upper pump casing produced by Andritz, Sweden. Among them, the impeller rotor is 1.75 meters in diameter, 4.5 meters long and weighs 8.3 tons; the upper pump casing is 3.9 meters long, 2 meters wide and 18 tons wide. Each part has high process quality requirements and is difficult to install and adjust.

The China Hydropower Group, which undertakes the installation task, carefully organizes and refines the construction steps, clarifies the division of labor, and assigns responsibility to others. The project department strengthened communication with the owner, supervisor, design, and the Swedish company ANDRITZ, adopted rationalization proposals, and formulated detailed construction and organization measures. In order to ensure the smooth progress of lifting, laid the foundation.

Therefore, the goal of safe, high quality and advanced schedule of the No. 8 unit pump is realized. At present, the follow-up work is also carried out in an orderly manner.

The smooth hoisting of the No. 8 unit section pump indicates that the installation of the electromechanical equipment of Huinanzhuang Pumping Station is being implemented at a high speed according to the planned construction period, laying a good foundation for the start-up operation of the unit next year.

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