In the emerging areas of use, the consumption of aluminium should be gradually promoted through the transformation of ideas, the sophistication of technology, the guidance and support of policies, etc. It is understood that the key areas for expanding the use of aluminium at that time included transportation, construction and power. In addition, it also includes aluminum alloy pallets, aluminum alloy flood control facilities, aluminum alloy bridges, aluminum foil packaging and other products and categories.
1. Transportation Category
Scale: Expanding the use of all-aluminium trailers, aluminium alloy open-top coal trucks and high-precision aluminium alloy sheets for cars.
Aluminum profiles used in transportation can effectively reduce self-weight, add payload and extend service life, which is of great significance to energy saving and emission reduction, improve the professional economic benefits of transportation and highway transportation power.
2. Construction Structure Category
Scale: Expanding the use of aluminium alloy construction formwork and aluminium alloy enclosure plate
(1) Expanding the use of aluminium alloy construction formwork
At present, the proportion of aluminium alloy formwork used in our country is less than 1%. Large-scale construction enterprises have made great progress in the standardization, industrialization and industrialization of construction, as well as in the quality requirements of houses, which has greatly promoted the use of aluminium alloy formwork. In recent years, due to the rapid development of the real estate industry, the scale of professional production of building formwork in China has maintained a growth rate of about 10-15%.
(2) Application of Extended Aluminum Alloy Enclosure Plate
In domestic civil construction, aluminium alloy sheets have been widely used in large-scale infrastructure projects, especially those with large span and disorderly shape, such as roofs and walls of airport terminal buildings, Convention and Exhibition centers, gymnasiums and other public buildings. However, in industrial construction, steel structure system metal sheet enclosure system accounts for about 70% of the total construction, and aluminum alloy is less used.
3. Electric Power Category
China is short of copper resources and needs a large number of imports. Copper consumption accounts for more than 40% of the total consumption in the field of electricity. Replacing insufficient copper resources with aluminium resources, which have formed a strong industrial base in China, will reduce the dependence of copper resources on the outside world and enhance the ability of resource protection to a certain extent.
(1) Promoting the Use of Copper-Aluminum Composite Conductors
Copper-clad aluminium composite conductor is composed of aluminium core and copper cladding layer. Current skin effect is used and aluminium is used to replace copper in the middle part of conductor. By expanding the cross-sectional area of conductor to compensate for the effect on conductivity, the same conductive function can be achieved.
Therefore, it is a kind of composite conductor with high function, which has the advantages of excellent conductive function of copper, good corrosion resistance, low cost and light weight of aluminium.
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