ZhongBo Industry and Mining Machinery Co.,Ltd Main Products:
   
    Different properties of the ordinary, heat (high temperature), acid, oil, cold-resistant, wear-resistant, flame retardant cotton canvas (CC), Nylon (NN), polyester (EP) conveyor belt and large angle file sideband pattern with other special-shaped conveyor belt. Conveyor roller, roller, bracket, electric drum accessory products. Drive roller; bend pulley; electric drum; magnetic pulley (magnetic drum); Care roll; bracket; lug; the tensioner; sweeper; coupling TD75 transportation machinery and related products 200 kinds of.

Now I tell you about the development status and trends of flame-retardant conveyor belt at home and abroad.

The status quo of foreign retardant conveyor belt
The conveyor belt is the main tool of the coal mine transportation of coal, the traditional rubber conveyor belt is flammable, can not meet the the underground flame retardant requirements, the Ministry of countries prohibit go down. Retardant conveyor belt easy to do retardant and anti-static, and because they have waterproof, tear-resistant, light weight, low energy consumption and other advantages, and thus universal application in the world coal mine. At present, some of the world's industrialized countries, following 4000N/mm conveyor belt used in the coal mine are almost always PVC, PVG retardant conveyor belt, and thus use of a particularly large amount, accounting for almost one-third of the world's conveyor belt usage a. Among them, the production technology and product quality in the UK and Germany on behalf of the world advanced level. Some industrialized countries can produce the intensity level over 4000N/mm, flame-retardant conveyor belt width exceeds 3500mm, the useful life of more than 10 years, can completely replace the steel cord conveyor belt, and because of the price, consumption, tear, occupy the roadway space has, and therefore more competitive than steel cord conveyor belt.


2, China's current situation of the flame-retardant conveyor belt
China is a big country, the world's first underground conveyor belt accounts for coal production. China's coal mine transportation conditions are generally poor, the safety belt is particularly important. China from the 1980s began to develop and promote the use of flame-retardant conveyor belt, the state has awarded MT147.87, MT147-92, MT147-95, MT914-2002 and other industry standards, and implement retardant conveyor belt the three certificates inspection certificate, safety signs Zhunyongzheng and production license) management, so that the production of flame-retardant conveyor belt, use, management gradually standardized and scientific, effectively ensure the use of coal mine conveyor belt security. Through 20 years of development, China has become the world's PVC, PVG whole fabric flame retardant conveyor belt production capacity of the largest countries, the production capacity of up to 80 million square meters. Since the country since the implementation of the "three cards" management retardant conveyor belt, the national coal mine fire accident caused by the case of the cause of the conveyor belt.

3, China retardant conveyor belt gap with foreign countries
(1) the lack of core technology, the capability of independent innovation. Of PVC, PVG whole fabric flame retardant conveyor belt manufacturers, mostly small and medium-sized enterprises, in addition to foreign investment and joint ventures, only a small number of large tape companies have national or provincial level technical center has a dedicated R & D team, more perfect laboratory equipment and testing instruments, the ability to innovate. Abroad in the production of PVC, PVG flame-retardant conveyor belt manufacturers are mostly well-known large enterprise in the world, with a strong core technology and independent innovation capability to create products, while manufactured products, the vast majority of domestic enterprises manufactured products without creating products.
(2) process equipment and production technology level is not high, the lower grade of products. Domestic enterprises PVC flame-retardant conveyor belt production technology is more mature, but is still relatively low level of production technology of the PVG flame-retardant conveyor belt. First Production relatively backward and complexity, energy consumption and production efficiency is low, and because the strength of the band body after secondary plasticizing serious decline. And the most advanced production technology is the use of the extruder veneer molding process, eliminating the need for traditional production process of mixing, shaping, vulcanizing process, with a core leaching paste, plasticizers, cover stickers curing the continuous production, the production efficiency greatly improved. At present, the production of the highest intensity level to the PVC, PVG flame-retardant conveyor belt 2500N/mm maximum width to 2000mm, and foreign produce strength 4000N/mm width exceeding 3500mm whole flame retardant fabric conveyor belt.
(3) carrying capacity, short life. Most of PVC, PVG flame retardant conveyor belt carrying capacity and service life is less than in developed countries, to use the largest 1000S retardant conveyor belt, for example, the domestic life of the tape is generally not more than 2 years, the cumulative amount of coal does not exceed 200 tons, and similar foreign products the useful life of more than four years, the cumulative coal more than 600 million tons.

4, the development trend of the flame-retardant conveyor belt in China
① large size, high strength, light weight, long life. With the development of the coal industry, a large number of 500 tonnes or more than ten million tons of large-scale mines coming on stream, increasing demand for large-size, high-intensity flame-retardant conveyor belt, large mine requires the use of a width exceeding 1600mm or more than 3000mm, strength 2500N/mm even reached 4000N/mm flame-retardant conveyor belt, conveyor belt carrying a large amount of long distance transport, requiring high strength, long service life, must be vulcanized joints; ask to take body thin, light weight, and to facilitate investment and energy consumption savings, to adopt the new skeleton material in order to meet the requirements.
(2) material new, continuous production. The intensity of the flame-retardant conveyor belt depends primarily on the whole with a core material, the latitude and longitude of the domestic whole with a core polyester / cotton or nylon / cotton, and thus with body thickness, weight, low intensity. And foreign general use polyester or aramid as the warp and weft of nylon and cotton yarn, and thus with the core thin, light weight, high strength. With the high-performance, thin, lightweight trends, the whole with a core strength 3000N/mm more priority should be given to aramid warp, it will give the body with thin, light weight, the dipping and plastics in order to facilitate The strength of the conveyor belt, so that greatly improved, longer life.
(3) species diversity, the broad purposes. The domestic PVC, PVG flame-retardant conveyor belt is mainly used in the coal mine. In fact, in addition to high temperature material, it is applicable to any place under the material handling. Abroad not only a general purpose flame retardant conveyor coal mine retardant conveyor belt, as well as coal mining and non-coal industry to use general-purpose conveyor belt, only coal mine retardant conveyor belt fire-retardant properties requirements more stringent only.
(4) energy saving, safety and environmental protection. Energy-saving, safety and environmental conveyor belt industry development trend, the PVC PVG flame retardant conveyor belt itself is an energy-saving, safe and environmentally friendly products. High-strength flame-retardant conveyor belt long life, rechargeable hair give the best efficiency, decent and flame retardant thermoplastic elastomer conveyor belt production process is simple, low energy consumption, high production efficiency, and reusable plastic material, are in accordance with the circular economy, energy saving, safe and environmentally friendly products. Low toxicity, low smoke and flame-retardant conveyor belt is safer and more environmentally friendly products.
The ⑤ talent, technology, market and efficiency is concentrated to a small number of enterprises. Of PVC, PVG flame-retardant conveyor belt manufacturers up to more than 80, mostly for small businesses, large and medium-sized tape than a dozen enterprises, and enterprises of the production of similar products abroad a total of only about a dozen, mostly large companies and well-known brands in the world. In recent years, the domestic market and efficiency of flame-retardant conveyor belt is gradually concentrated to the foreign-funded enterprises and medium-sized enterprises. With the entry of foreign and domestic tape industry to carry out the activities of the credit quality and the implementation of brand strategy, focus on the trend of this market and the benefits to the small number of strong enterprises has become increasingly evident, at the same time gradually transferred to the small number of strong enterprises in human resources, capital, technology and other aspects .