大尺寸、高強度、輕質(zhì)、長壽化。隨著煤炭工業(yè)的發(fā)展，一大批500萬噸甚1000多萬噸的大型礦井相繼建成，對大型、高強度阻燃輸送帶的需求日益增加。超大型礦井需要寬度大于1600毫米甚大于3000毫米、強度大于2500牛頓/毫米甚4000牛頓/毫米的阻燃輸送帶，這種輸送帶承載能力大、輸送距離長，因此要求強度高、使用壽命長。同時，要求皮帶薄、重量輕、利節(jié)省投資、耗能，必須采用新的骨架材料來滿足要求。
Large size, high strength, light weight and long life. With the development of coal industry, a large number of 5 million tons or even 10 million tons of large-scale mines have been built, the demand for large-scale, high-strength flame-retardant conveyor belt is increasing. Super large mines need flame retardant conveyor belt with width greater than 1600 mm or even more than 3000 mm and strength greater than 2500 n / mm or even 4000 n / mm. This kind of conveyor belt has large bearing capacity and long conveying distance, so it requires high strength and long service life. At the same time, it is required that the belt should be thin, light in weight, save investment and energy consumption, and new skeleton materials must be used to meet the requirements.
新材料和連續(xù)生產(chǎn)。阻燃輸送帶的強度主要取決于整個帶芯的材料。目前，我國緯線、經(jīng)線帶芯整體以滌棉紗或錦綸/cotton紗為主，帶厚、重、強度低。在國外，聚酯或芳綸纖維通常用作經(jīng)線，而錦綸和棉紗在緯線，使用，因此它具有纖芯薄、重量輕和強度高的特點。隨著高性能、薄層化、輕量化的發(fā)展趨勢，強度在3000 N/mm以上的整個帶芯應(yīng)優(yōu)先選用芳綸纖維作為經(jīng)線，使帶體輕薄，便于浸漬和塑化，大大提高輸送帶的強度，延長其使用壽命。
New materials and continuous production. The strength of flame retardant conveyor belt mainly depends on the material of the whole belt core. At present, the core of weft and warp in China is mainly polyester cotton yarn or nylon / cotton yarn, with low belt thickness, weight and strength. In foreign countries, polyester or aramid fiber is usually used as warp, while nylon and cotton yarn are used in weft, so it has the characteristics of thin core, light weight and high strength. With the development trend of high performance, thin layer and lightweight, aramid fiber should be preferred as warp for the whole belt core with strength above 3000 n / mm, so as to make the belt body light and thin, easy to impregnate and plasticize, greatly improve the strength of conveyor belt and prolong its service life
品種多樣，應(yīng)用廣泛。目前，我國聚氯乙烯和PVG阻燃輸送帶主要用于煤礦。實際上，它可以應(yīng)用于除高溫物料以外的任何地方的物料運輸。在國外，不僅有煤礦用阻燃輸送帶，還有煤礦和非煤礦行業(yè)用的通用阻燃輸送帶。然而，煤礦用阻燃輸送帶對阻燃性能有更嚴格的要求。
Various varieties and wide application. At present, PVC and PVG flame retardant conveyor belts are mainly used in coal mines. In fact, it can be used for material transportation anywhere except high temperature materials. In foreign countries, there are not only flame retardant conveyor belt for coal mine, but also general flame retardant conveyor belt for coal mine and non coal industry. However, flame retardant conveyor belt for coal mine has more stringent requirements on flame retardant performance.
、、。、、是輸送帶行業(yè)的發(fā)展趨勢。聚氯乙烯和PVG阻燃輸送帶是、、的產(chǎn)品。高強度阻燃輸送帶使用壽命長，能充分利用資源效率。該熱塑性彈性表面阻燃輸送帶生產(chǎn)工藝簡單，能耗低，生產(chǎn)效率高，膠料可重復(fù)使用，是符合循環(huán)經(jīng)濟、、、的產(chǎn)品。低毒、低煙、阻燃輸送帶是一種更、更的產(chǎn)品。
Energy saving, safety and environmental protection. Energy saving, safety and environmental protection are the development trend of conveyor belt industry. PVC and PVG flame retardant conveyor belt are energy-saving, safe and environmental protection products. High strength flame retardant conveyor belt has long service life and can make full use of resource efficiency. The thermoplastic elastic surface flame-retardant conveyor belt has the advantages of simple production process, low energy consumption, high production efficiency and reusable rubber material, which is in line with circular economy, energy saving, safety and environmental protection. Low toxic, low smoke, flame retardant conveyor belt is a safer and more environmentally friendly product.
人才、技術(shù)、市場和效益集中在少數(shù)企業(yè)。目前，有80多家聚氯乙烯和PVG阻燃輸送帶生產(chǎn)企業(yè)，其中大部分是小企業(yè)，有十多家大中型膠帶企業(yè)，而國外生產(chǎn)類似產(chǎn)品的企業(yè)只有十多家，其中大部分是大企業(yè)和世界知名。近年來，阻燃輸送帶的國內(nèi)市場和效益逐漸集中在外資企業(yè)和大中型企業(yè)。隨著外商投資企業(yè)進入和國內(nèi)膠帶行業(yè)開展質(zhì)量信用活動和實施戰(zhàn)略，市場和效益越來越集中在少數(shù)強勢企業(yè)，同時人才、資金和技術(shù)也逐漸轉(zhuǎn)移到少數(shù)強勢企業(yè)。
Talent, technology, market and benefits are concentrated in a few enterprises. At present, there are more than 80 PVC and PVG flame-retardant conveyor belt manufacturers in China, most of which are small enterprises, more than 10 large and medium-sized belt enterprises, while there are only more than 10 foreign enterprises producing similar products, most of which are large enterprises and world-famous brands. In recent years, the domestic market and benefits of flame retardant conveyor belt are gradually concentrated in foreign-funded enterprises and large and medium-sized enterprises. With the entry of foreign-invested enterprises and the implementation of quality credit activities and famous brand strategy in domestic tape industry, the market and benefit are more and more concentrated in a few strong enterprises, while talents, capital and technology are gradually transferred to a few strong enterprises.
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