Wind turbine blades, the key components of wind power generators, actually grow nearly 50 meters in length and weigh more than 8,000 kilos. The cost reduction of blades by 23% can be achieved through the application of new materials and new technologies. This is the industrialization project of "2.0MW Wind Blade", which has just won the award of Outstanding New Product from the Municipal Government. The developer of the project is Chongqing General Industry (Group) Co., Ltd. (hereinafter referred to as "Chong Tong Group"), which has mastered the majority of the local wind power market. ).

Leaves "lose weight" 200 kg

When the thermal power plants and hydropower stations have a negative impact on the ecological environment, their pace of development has slowed down gradually. As nuclear power and solar power have become unsatisfactory due to the poor technical progress, the wind power generation has become the emerging energy industry that is currently supported by the state. As one of the old industrial bases in the country, Chongqing, with a complete supply of spare parts and components, started to cultivate a wind power equipment industry cluster as early as in 2008 and proposed to build a 10 billion-grade industry chain.

According to reports, since 2007 into the wind power equipment manufacturing industry, the re-pass the Group focused on research and development and manufacturing of key components such as wind blades for the wind power, long and energy wind turbine 整机 enterprises to provide supporting blades. In our city's first wind power project Wulong Xingshun wind farm on the 58 sets of fan blades, there are 53 fans blades by the re-supply.

"The larger the wind turbine capacity, the larger the wind blade size and the longer the length, and the way to make it successful," is the challenge every company is working on. "Yesterday, Told reporters. They found that such wind power blades made of fiberglass must be adhered by structural glue and a piece of 8,743 kilograms of blades was modified through technological process so as to reduce the weight of the blades by 200 kilograms and reduce the use of structural glue by 26% , Greatly reducing the material cost of the blade.

In addition, the use of new technology, the blade manufacturing time is greatly reduced, the original average manufacturer takes 48 hours, and now re-pass only 33 hours to complete.

Active "going out" to build a base

"At present, we have more than 200 sets of orders in hand." Huang Rui told reporters, of which there are more than 100 sets of wind turbine blades that have already been produced and sold. Like the leaders in the wind power equipment industry cluster, sea-based wind power, most of its wind power blades are reprocessed by the supplier. "Recently, there is a large demand for such 2.0MW wind turbine blades in Chongqing with several wind farms to be developed."

Allegedly, since January 2010 officially launched the "2.0MW wind blade development and industrialization" project, as of last year, the annual output value of the re-pass the group has more than 150 million yuan, the output value this year is expected to exceed 300 million yuan.

"Heavy ventilator blades have mastered most of the market share of the local wind power market and are actively" going global. "Liu Yonggang, the general manager of Chongqing Recycling, said that at present, Reitong has been in the domestic demand for wind power ancillary products in Jilin Province and Inner Mongolia Autonomous Region Establish a base, through local production to achieve local, reduce logistics costs, make products more convenient access to the local market. "We are striving to enter the top five of the country's wind turbine blade manufacturing industry by the end of the 12th," he said.

Photovoltaic Aluminium Profile Extrusion Dies

The photovoltaic industry mainly converts solar energy into electrical energy through solar power generation systems, and the application of aluminum profiles in the photovoltaic industry is mainly reflected in the following aspects:

1. Photovoltaic bracket: The photovoltaic bracket is an important part of the photovoltaic power generation system. Its main function is to fix and support the solar panel so that it faces the sun to obtain the maximum amount of solar radiation. Aluminum profiles have the advantages of light weight, high strength, corrosion resistance, and easy installation, so they are widely used in the manufacturing of photovoltaic brackets.

2.Photovoltaic frame: Photovoltaic frame is a structure used to fix and protect solar panels, usually made of aluminum profiles. Aluminum profiles not only provide good mechanical strength, but also provide good anti-oxidation and corrosion resistance, ensuring the service life of the battery panels.

3. Photovoltaic panel packaging: Aluminum profiles can also be used to package photovoltaic panels, which can provide good sealing performance and prevent the panels from being affected by environmental factors.

4. Photovoltaic power station construction: In the construction of photovoltaic power stations, aluminum profiles can be used to make various structures of the power station, such as cable troughs, equipment racks, etc., to improve the stability and safety of the power station.

Generally speaking, the application of aluminum profiles in the photovoltaic industry mainly uses its characteristics such as light weight, high strength, corrosion resistance and easy processing to provide stable and safe structural support for photovoltaic power generation systems.

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