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D-type large deflection loose sleeve compensation joint

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Luoying large deflection loose sleeve compensation joint is adopted in the west to East power transmission project in Northwest Yunnan


The reporter learned from China Southern Power Grid that the construction of 800 kV HVDC project in Northwest Yunnan and Guangdong has been officially started recently with high altitude and long lines. The project starts from Jianchuan County, Dali Prefecture, Yunnan Province in the west, and ends in Bao'an District, Shenzhen City, Guangdong Province in the East. The total length of the line is 1959 km, with a total investment of about 22.2 billion yuan. It is a long transmission project of China Southern Power Grid and an UHVDC line in Shenzhen where the west east power transmission line is located.
Shanghai Luoying D-type large deflection loose sleeve compensation joint can be axially expanded in a certain range, and can also overcome the offset caused by different axial butt joints in a certain angle. It can greatly facilitate the installation and disassembly of valve pipeline. It has the following functions: compensating axial, transverse and angular thermal deformation of absorption pipeline; absorbing equipment vibration to reduce the influence of equipment vibration on pipeline; absorbing earthquake and ground subsidence on pipeline deformation. It plays a good role in regulating the expansion and contraction of long distance pipeline due to temperature difference.
Xinsong station in Yunnan Province is an 800 kV high voltage converter station in Shanghai (2350 meters). The project is planned to have power transmission capacity in 2017. After completion, the project can deliver about 20 billion kwh of electricity to Guangdong every year, equivalent to 1 / 4 of Shenzhen's annual electricity consumption.

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  • Tel: 021-6999-0533
  • Email: Huanjing @ huanjingjz.com
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T-66, 2nd floor, No.18, Lane 945, changta Road, Shihudang Town, Songjiang District, Shanghai

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