Coal mine underground steel-plastic grille Feicheng Lianyi Engineering Plastics Co., Ltd. is located in Feicheng, the hometown of Taoxiang, which is beautiful in the mountains and rivers. Below we briefly introduce the steel-plastic grille used in underground coal mines. Coal is the pillar industry of China's national economy, and modern industry is developing rapidly. The demand and dependence on energy has become more and more obvious in people's daily life. Since the 1990s, China has become a major coal-producing country and a major coal-consuming country. Especially in recent years, with the rapid growth of the national economy, coal production has increased by two digits. According to experts' predictions, the strong development momentum of the domestic economy in a certain period of time will inevitably generate strong demand for coal and other energy industries. As a result, the consumables required in the coal industry are bound to increase substantially. At present, under the background conditions of focusing on safe production, the use of mining support products is even stronger than one year. In comparison, China's current mining support products are still in a relatively primitive and initial stage. The protective net used in coal mine roadways in China, except for the use of polypropylene woven mesh in some of the mines (also some plastic meshes of other materials), basically adopts metal mesh, reinforced steel mesh, steel wire mesh, steel stamping Several forms such as the net. Plastic nets such as polypropylene woven mesh are difficult to ensure safety because the strength is too low. The metal mesh has high labor intensity, difficult operation, long elongation rate, serious "net pocket", must be recycled after use, low operating efficiency, high support cost and other unsafe factors. In the developed countries of the coal mining industry, high-strength, low-elongation non-metallic nets have been used in large quantities. Among them, steel-plastic composite mesh is the most used one. Compared with the metal protective net, the steel-plastic composite net has light weight and high strength (the steel-plastic composite net has only 1/3 of the metal mesh, but the tensile strength is not lower than the ordinary steel), it is not rusted, easy to handle, easy to install, and extended. The advantages are small (generally not more than 5%) and other outstanding advantages, and the production cost is low, and the comprehensive benefits are obvious. Sanitary Spray Ball Sanitary Spray Balls Sanitary Spray Balls,Spray Balls Stainless Steel,Tri Clamp Spray Ball Kaysen Steel Industry Co., Ltd. , http://www.chinasanitaryvalve.com
1. Steel-plastic composite mesh use This product can be widely used in construction, basic engineering, roads, mine protection, and protection of rivers and rivers on the Hai River. The application fields are extremely broad. Based on the existing social resources utilization and maximum product competitive advantage, the project is currently positioned to protect coal mine roadways. The weaknesses and market capacity of the current protection network of the coal mine system have been profoundly explained. Because of the huge commercial profits and development opportunities, the product selection should be ideal in this industry. In the space area formed by the coal mining during the mining process and the roadway entering the excavation points, in order to prevent the coal from falling and gradually landslide, protective measures must be taken according to the requirements. That is to use the net to live on the top and the roadway, then use the "bolt" to nail the net on the wall of the roadway. The existing equipment basically adopts a metal mesh, but the coal mine reflects that the metal mesh is heavy and easily corroded, and is not an ideal protective article. There is no other alternative product than a helpless move. The steel-plastic composite net produced by the project can achieve the effect of metal mesh in terms of tensile strength, weight and elongation, and has the advantage of metal mesh in the aspects of corrosion resistance and light weight. The use is very suitable for mine roadway protection. For the purpose of transformation.
2, product performance steel-plastic composite network is a new type of protective net dedicated to coal mines. It adopts the structure of modified plastic coated high-strength cold-drawn steel wire, and strives to improve its comprehensive performance under the premise of ensuring the strength requirement. Compared with the traditional diamond mesh and the latitude and longitude mesh, this new product has the following advantages: First, the elongation of the steel-plastic composite mesh is less than 5%, effectively avoiding the phenomenon of "net pocket" in actual use and overcoming downhole use. The unsafe factor; second, the appearance of the steel-plastic composite net is corrosion-resistant modified plastic, long-term use will not rust due to corrosion, ensuring long-term protection; third, steel-plastic composite net per square meter About 1kg (1/3 of the diamond mesh), and the product has a certain flexibility, reducing the labor intensity of workers and effectively improving the work efficiency; Fourth, the affinity of the modified plastic coated plastic layer to the concrete of the steel-plastic composite net Stronger, can improve the support strength of the shotcrete roadway; Fifth, the production cost of the steel-plastic composite net is reduced by about 15% compared with the diamond-shaped net of the same strength, which can greatly save the use cost.
The main technical indicators of the steel-plastic composite network are as follows:
1. Unilateral ultimate tensile strength ≥ 4800N; 2. Product ultimate elongation ≤ 5%; 3. The ultimate peeling force of the joint is ≥200N; 4. The product is extinguished from the flame time ≤ 10s (flame retardant performance); Product surface resistance value ≤ 1 × 109 Ω (antistatic performance); Mesh size 50 × 50mm ~ 60 × 60mm; 7. Steel-plastic composite mesh width 0.8m ~ 3.0m (adjustable) Note: With (HJ-3000 type) daily production of 24 hours, production of 2000 to 2500 square meters.
Based on the enterprise spirit of “innovation, truth-seeking, safety and integrityâ€, the company constantly explores, dares to innovate, learns from foreign advanced equipment technology, and combines the reality of China's coal industry, professionally developed steel-plastic composite net false top, effectively reducing the product's The production cost has improved the comprehensive performance of the product, and the market prospect is very broad. Our company is willing to cooperate with all parties to provide you with first-class technology and equipment as well as the latest information on technological progress. We will jointly promote, promote and use new products. Feicheng Lianyi Engineering Plastics Co., Ltd. will serve you wholeheartedly.
Contact: Hou Manager Address: Shandong Taian Telephone Mobile Fax: [email protected]
Company website: http:// geshan123.chinawj.com.cn
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Sanitary Spray Balls– Stainless Steel Hygienic Tank Fittings
â–ª Size: 1/2" - 4"
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