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Current Situation And Development Trend Of The Conveyor Belt Industry
- Dec 22, 2017 -

The conveyor belt is the second largest rubber industrial product after the tire, which is mainly used in the transportation of mine, wharf, metallurgy, machinery and storage. The conveyor belt is mainly made of rubber, skeleton materials and rubber auxiliaries. The development of conveyor belt and the change of market demand directly affect the material demand structure. At the same time, as with other rubber products, the variety and price of raw materials will also affect the conveyor belt products. This article mainly introduces the current situation and development trend of the conveyor belt industry and the raw materials used in China.

 

1. industry development of conveyor belt: after more than 20 years of development, the supply level of the conveyor belt industry in China has been greatly improved. At present, there are more than 1200 adhesive tape production enterprises in China, and more than 300 enterprises with a certain scale. In recent years, the production of conveyor belt in China has developed rapidly, especially since 2013, the annual output of the conveyor belt in China has increased by more than 18%.

In the next few years, the market demand will tape increased year by year. At present, the proportion of high intensity conveyor belt in China's conveyor belt has exceeded 80%, which is close to the international advanced level.

 

2. product and technical level: there are many kinds of conveyor belts, which can be classified according to the material of the core, the use performance and the shape.

(1) according to the core material: fabric core conveyor belt (cotton canvas conveyor belt, nylon conveyor belt and whole fabric core conveyor belt), wire rope

Core conveyor belt, traction wire rope core conveyor belt (steel cable conveyor belt) and steel net conveyor belt, etc.

(2) according to the use performance: ordinary conveyor belt, refractory conveyor belt, heat-resistant conveyor belt, cold resistant conveyor belt, oil resistant conveyor belt and acid and alkali resistant conveyor belt.

(3) according to the shape: pipe conveyor belt, conveyor belt, pattern belt.

(4) conveyor belt, lifting belt and cover conveyor belt, etc.

(5) at present, the conveyor belt in China has basically met the needs of the national economic development and has some export in terms of its variety, production and quality. Layered fabric core conveyor belt, braided fabric core conveyor belt, steel wire rope core conveyor belt has been basically formed a large-scale production, but in a hierarchical fabric core conveyor belt, straight warp fabric core conveyor belt, especially PVC and PVG whole belt core conveyor belt used in coal mines are developing rapidly. Speed. The heat and cold resistance, oil resistance, acid and alkali resistance and large inclination conveyor performance and yield increasing, along with the development of SR and the framework material conveyor belt using temperature can reach 150 to 180 DEG C, using a special formula of cover rubber conveyor belt heat resistance up to 180 to 250 DEG C.

 

The conveyor belt is developing towards high strength, high load, long distance and long life. Functional and energy-saving requirements are constantly improving, and the requirements for skeleton materials are also improving. At present, the skeleton materials of conveyor belts are mainly steel wire, polyester and nylon (mainly nylon 66). Meanwhile, the amount of aramid fiber will increase with the development of composite materials. At present, the domestic conveyor belt with synthetic fiber and wire rope as the skeleton material accounts for about 80% of the total amount of the conveyor belt. In Europe and the United States and other developed countries and regions, aramid fabric has been widely used in rubber products. Through performance analysis and comparison, it is found that aramid is the ideal skeleton material for developing and producing flame retardant conveyor belt.