电玩城绑定手机送30万分 Wind power development gains new materials

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Wind power development gains new materials

 Back to list Source: Yamakawa composite Release date: 08:49, January 4, 2018 Browse: -


Among the renewable energy sources, wind energy is considered as one of the most potential renewable energy sources because of its mature application technology and high utilization rate in the world. At the same time, Wind energy resources It can be continuously obtained worldwide. Thanks to this, the global wind power capacity is developing rapidly with double-digit growth every year.

However, the development of wind power still needs to break through the cost limit, such as producing wind turbines at lower cost. In addition to low-cost manufacturing, once the turbine is put into use, it should be durable and meet the requirements of low-cost maintenance. This is especially true for offshore turbines exposed to extreme conditions.

As one of the largest polymer production companies in the world, Kesi creation is relying on its sustainable innovation New materials Solutions advance this goal.

Covestro's technology center in otrup, Denmark, is striving to provide technical support for global wind power activities. Covestro's innovative and sustainable materials solutions not only increase the productivity of wind turbines, but also extend the life of onshore and offshore wind farms. "Our goal is to create a better world with creative and even unexpected solutions. Power generation is one of the ways we can achieve our goals. " Jim Clausen, head of the global wind power project, stressed that renewable energy power generation is an important part of the concept of sustainable development.

At the k2016 plastics industry exhibition in Dusseldorf, Germany, in late October, kosstro will demonstrate its latest technology. This includes a low-cost manufacturing solution for wind turbine blades. It is understood that the resin is made of reinforced glass fiber through efficient production process, which can shorten the production cycle while maintaining excellent mechanical properties.

In this manufacturing process, half of the rotating blade is manufactured by high-efficiency vacuum pouring process, which requires the core material and glass Fiber cloth Place the mold and seal it completely with a film. Once the vacuum is introduced, the resin formation process can begin. Due to the use of vacuum technology, the production process is greatly shortened, while saving time, it can effectively avoid the formation of pits.

The company developed a special process optimization for bers ü. And epoxy resin Compared with polyurethane, the fluidity of polyurethane is better, and the glass fiber and reinforced material can be soaked better. When the mold is heated, the curing process begins, which is faster than using epoxy resin. "This can give manufacturers a significant cost advantage." "After all, to build a new wind turbine, the cost of making turbine blades is about a quarter," Clausen said

Recently, covestro successfully made the first large-scale polyurethane turbine blade in China. This set of blades is made by Koster, H ü bers and Chongqing International compound material Its total length is 37.5 meters and its output power can reach 1.5 MW. This fully proves that the resin material can be used in industrial production. In the future, covestro plans to work with industrial partners to produce more samples.

The company has also developed a time-saving and economical coating solution for steel towers and blades. Compared with the traditional process, this technology can reduce the number of coatings and accelerate the curing speed of coatings, thus further shortening the production cycle of wind turbine and reducing the manufacturing cost. At the same time, like the traditional process, the new process can provide long-term corrosion protection. This is also the premise of manufacturing durable and low maintenance frequency turbines to achieve low-cost utilization of wind energy.

In stormy weather, even raindrops falling from a height of 90 meters can produce damage like bullets, which can cause great damage to the blade tip. Offshore turbines also face the problem of seawater corrosion. Therefore, the polyurethane coating can provide good protection. At the same time, due to the less solvent consumption of the coating, it has set up a green benchmark for the industry.

Maintenance work at sea often means huge expenses. Submarine cables are easily damaged because they are always exposed to strong current environment. The special elastomer materials developed by kostrong provide long-term and stable protection for submarine cables. The protective material has excellent impact strength and corrosion resistance. Unlike steel and concrete, this material does not require further processing and can save a lot of time and cost in the construction of offshore wind farms. Tekmar energy, a leading European submarine cable manufacturer, has identified costrong as the exclusive supplier of offshore wind farm projects in China. The two sides signed a cooperation agreement to meet the growing demand of the Chinese market.

Covestro has developed a time-saving and economical coating method for steel tower and rotor blades. Compared with the traditional process, the new technology can reduce the number of coatings and accelerate the curing speed of coatings.


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[text label]: FRP news FRP Industry

Editor in charge: Yamakawa composite Copyright: http://potmanhotpot.com/

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