More than 600 tons of fuel can be saved a year. my country’s first set of 5M large-size wind-assisted rotors is released

This site reported on June 3 that the innovative ship energy-saving device 5M large-size wind-assisted rotor# was developed by China Shipbuilding (Shanghai) Energy Saving Technology Co., Ltd. (CMES-Tech), a subsidiary of China Shipbuilding Industry Corporation 702. ##Officially released. This device will break through the "bottleneck" of large ship energy saving and emission reduction technology.

The 5M-sized large-scale wind-assisted rotor released this time is a domestically independently developed product with a diameter of 5 meters and a height of 25 meters. It is designed to solve Energy conservation, emission reduction and carbon intensity index (CII) improvement for transport ships of 80,000 tons and above.

Up to 5 units of this device can be installed depending on the deck space of the ship, and the maximum energy saving effect can reach 20%. Taking the installation of three pieces of equipment on an 82,000-ton bulk carrier as an example,

can save more than 600 tons of fuel and reduce carbon emissions by about 2,000 tons a year. The device has the following advantages:

Strong sustainable thrust

• Device

  The maximum sustainable thrust is more than 260kN, which is very important for the drive system, transmission system, The outer cylinder is optimized to be lightweight and the system energy efficiency is improved.

Strong operating stability

• The device completed the durability test at the maximum sustainable operating speed of 180 rpm, and the overall operation was smooth and reliable.

  Vibration, noise, thermal performance, durability of each system, performance tests under severe typhoon weather and other conditions performed well.

Convenient inspection and maintenance

• #The multiple internal systems are clearly divided and arranged, and the daily inspection and maintenance environment is safe and convenient.

As the International Maritime Organization (IMO) ship greenhouse gas emission reduction strategy accelerates, the existing ship energy efficiency index ( EEXI) and CII are forcing global shipping ships to install and use new energy-saving and emission-reduction technology devices as soon as possible. Using wind power based on the Magnus Effect to propel ships sailing has become an ideal energy-saving and emission-reduction measure for ships.

Note from this site: The "banana ball" in football matches and the curve ball in table tennis matches are both practical applications of the Magnus effect.

According to reports, the scientific research team of CSSC (Shanghai) Energy Saving Company has solved

rotor aerodynamic characteristics, mechanical structure and working mechanism, rotor energy-saving effect prediction method, structural design and analysis method

etc. 6 A key technology, after 12 years, it has completed the only real-ship application of wind-assisted rotors on bulk carriers in China.

CSSC (Shanghai) Energy Conservation Co., Ltd. is a subsidiary of China State Shipbuilding Corporation’s 702nd Research Institute. It was established in 2015 with the purpose of In promoting the development of supporting industries for ship energy conservation and emission reduction.

The company has become a "Shanghai High-tech Enterprise", "Shanghai Specialized, Specialized and New Small and Medium-sized Enterprises", "Shanghai Science and Technology Little Giant Enterprise", and a national-level "Specialized, Specialized, Specialized and New" key small giant enterprise.

The company has three categories and four core products with completely independent intellectual property rights, including hydrodynamic energy-saving devices, wind boosting devices, and air layer drag reduction systems, which are used by Dalian Shipbuilding Industry, Waigaoqiao Shipyard, and Jiangsu Yangzijiang Shipbuilding Industry We provide high-efficiency and energy-saving propulsion products to key shipyards such as COSCO Shipping Lines and China Merchants Shipping Company.

Data show that the main products of CSSC (Shanghai) Energy Saving Company have been successfully used on more than 2,000 merchant ships, with a market share of more than 60% in the domestic market, ranking first in the country and top three in the world, and achieving 3 %~20% energy saving effect, saving shipowners more than 200,000 tons of main engine fuel, reducing fuel costs by more than 1 billion yuan, and reducing CO₂ emissions by more than 600,000 tons per year.

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