Chinese fan development status

From January to December of 2006, China's fan and fan manufacturing industry realized a total industrial output value of 24,794,902,000 yuan, an increase of 24.42% over the same period of the previous year, and realized a cumulative product sales revenue of 23,757,721 thousand yuan. The year-on-year increase was 26.87%; the accumulated total profit was RMB 1,560,200,000, an increase of 24.20% over the same period of the previous year.

From January to December of 2007, China's fan and fan manufacturing industry realized cumulative industrial output value of 34,433,825 thousand yuan, an increase of 31.03% over the same period of the previous year; from January to October 2008, China's fan and fan manufacturing industry realized cumulative The total industrial output value was 39,704,575,000 yuan, an increase of 37.46% over the same period of last year.

In recent years, China's fan industry has developed a series of high-efficiency new types of fans, especially with the continuous digestion and improvement of imported technologies, power station fans for Shanggu, Shengu, Chengdu Electric Machinery, wind tunnel fans, Siping, re-entry high-temperature fans The industrial boiler fans of Beijing Xishan, Shengu and Shanggu have gradually gained users' approval, which has brought great economic results to the factory. However, there are still many kinds of inefficient old turbines in China that need to be replaced. The newly promoted turbines need to be further improved. Therefore, China should continue to improve the quality of wind turbine products and stabilize market demand. It must also actively introduce advanced technologies and improve technological development capabilities. With a brand strategy, it should vigorously explore the market and promote the development of wind turbine enterprises on an economic scale.

There are many areas that have not yet been involved or will be involved in China's wind turbine products. There will be more than 20 potential market areas such as comprehensive utilization of coal gangue, new dry clinker technological transformation projects, energy conservation in the metallurgical industry and comprehensive utilization of resources. Big development prospects.

The future development of wind turbines will further improve the aerodynamic efficiency, device efficiency and use efficiency of the wind turbines to reduce the power consumption; use axial fans with adjustable blades to replace large centrifugal fans; reduce the fan noise; improve the exhaust fan and fan The wear resistance of the shell; variable speed regulation and automatic adjustment.

Galvanized Coil

The product obtained by coating organic coating on hot-dip galvanized steel coil is hot-dip galvanized color steel coil. In addition to the protective effect of zinc, the organic coating on the surface of hot-dip galvanized steel sheet also plays the role of insulation protection and rust prevention, and its service life is longer than that of hot-dip galvanized sheet. The zinc content of hot-dip galvanized base plate is generally 180g / m2 (both sides), and the maximum zinc content of hot-dip galvanized base plate for building exterior is 275g / m2. Zinc coating weight code: Z100, z200, z275; zinc coating weight refers to the total amount of zinc on both sides of the steel plate, expressed in grams of zinc per square meter of steel plate (g / m2), for example, Z100 means that its zinc content is not less than 100g / m2.

According to the surface structure of galvanized coil, it can be divided into the following surfaces:
(1) Regular Spangle
In the normal solidification process of zinc layer, the zinc grains grow freely and form a coating with obvious zinc flower morphology.
(2) Minimized Spangle
During the solidification process of zinc coating, the zinc grains are artificially limited to form the smallest possible zinc flower coating.
(3) Spangle free zinc free coating
The coating obtained by adjusting the chemical composition of the bath has no visible zinc flower morphology and uniform surface.
(4) Zinc iron alloy coating
After heat treatment of the steel strip passing through the galvanizing bath, the whole coating forms an alloy layer of zinc and iron. The coating is dark gray in appearance and has no metallic luster. It is easy to be powdered in the violent forming process. It is suitable for coating that can be painted directly without further treatment except for general cleaning.
(5) Differential coating
For both sides of Galvanized Steel Sheet, the coating with different weight of zinc layer is required.
(6) Smooth skin pass
Finishing is a kind of small deformation cold rolling of galvanized steel sheet for one or more of the following purposes.

Galvanized Coil,Regular Spangle,Galvalume Steel Coil,Galvanized Steel Coil,Galvanized Steel Sheet

Jinan Hengming Steel Co., Ltd , https://www.jnhengmingsteel.com