Copper Mine Tailings Pipe

The mining tailings pipe developed by the company is a super high pipe made from ultra-high molecular weight polyethylene (UHMWPE) and carbon steel pipes through a scientific production process. This product inherits the excellent characteristics of UHMWPE pipes while also possessing the high pressure-bearing performance of carbon steel pipes. It features a series of characteristics such as wear resistance, high pressure resistance, impact resistance, corrosion resistance, self-lubrication, and anti-adhesion, making it widely applicable in long-distance dredging, filling, fly ash transportation, tailings from mines, high transportation of water-coal slurry, and other transportation fields involving corrosive media with residue. The company is capable of producing large diameter UHMWPE steel-plastic composite pipes with an internal diameter of over 800mm. The flow capacity of this product can exceed that of traditional steel pipes by more than 3 times, reducing the frequency of pipeline replacements and downtime during use. The overall project pipeline cost can be 400% lower than that of cast steel pipes.

Advantages of Copper Mine Tailings Pipe in Mining:

1. The impact resistance of the super high pipe. Its environmental stress resistance, crack resistance, and scratch resistance are the best among all types of plastics. The impact strength at room temperature is more than 10 times that of PE100, and at -30°C, it is more than 16 times that of PE100; the crack resistance is about 2 times that of PE100, and the lower the environmental temperature, the stronger the impact resistance. This flexibility allows it to withstand various external impacts and crustal deformations without needing to be combined with steel pipes, making it safer and more reliable than steel pipes.

2. The wear resistance of the ultra-high composite tailings pipe is 4 to 7 times that of steel, and 10 times that of polyethylene and polypropylene, making it 2.3 times more effective than PE for transporting small particle slurries like fly ash.

3. The ultra-high pipe has a saturated molecular structure and extremely stable chemical properties, allowing it to withstand various corrosive media and organic solvents better than plastics like polyethylene, polypropylene, nylon, and ABS.

4. The ultra-high pipe is non-adhesive, with its chemical and physical polarity lower than that of ordinary plastics, for example, the polarity of polyethylene is 9, while that of ultra-high is only 1. This is much lower than that of metal materials, making ordinary adhesives ineffective on ultra-high. Similarly, scaling substances are also difficult to adhere. As long as the slurry flow rate reaches 2.3 to 4.6 meters per second, scaling is hard to form. Even if scale layers accumulate slowly over time, they are not firmly attached and can be easily removed. Moreover, acid washing does not require the addition of corrosion inhibitors; the surface remains smooth as new after washing, and the pipe wall is not damaged.

5. The theoretical service life of iron ore tailings pipes can reach hundreds of years. The aging and embrittlement rates of ultra-high are very slow. When buried for 50 years, the mechanical performance only decreases by about 20%. The anti-aging performance of ultra-high pipes is superior to that of PE100, with the anti-aging capability of polyethylene pipes being around 1/4 higher than that of PE100 pipes, and the UV resistance is the same as PE100.

6. The friction coefficient of ultra-high pipes is only 1/6 that of new steel pipes, 1/5 that of ordinary polyethylene, 1/20 that of rubber, and 1/2 that of polypropylene. Additionally, the ultra-high pipe's wear resistance, non-adhesiveness, and corrosion resistance keep the pipe wall smooth and unobstructed, generally improving flow capacity by more than 50% compared to steel pipes, maintaining a low-pressure flowing state for the transmission system over time.

7. The tensile yield strength and tensile break strength of ultra-high pipes are relatively high, and their heat deformation temperature is several degrees higher than that of ordinary plastics, while their cold brittleness temperature has almost no lower limit. Coupled with a 100% elongation rate, they can withstand significant pipe stress across a wide temperature range and absorb impact loads and pressure fluctuations that occur during shutdown.

8. The welding process for ultra-high pipes is simple, intuitive, and efficient, with weld seam strength exceeding that of the pipe body. This provides convenience and assurance for the installation of long-distance pipelines, especially medium and high-pressure pipelines. Ultra-high pipes do not require anti-corrosion treatment, are lightweight and flexible, making transportation and installation easy, and can be redirected according to terrain changes.

The installation cost of ultra-high pipes is generally only about one-fifth that of steel pipes and steel-plastic composite pipes.

9. The price of iron ore tailings pipes is relatively moderate. For medium-diameter, medium and low-pressure pipelines, the overall engineering cost is even lower than that of seamless steel pipes, and lower than composite pipes and alloy pipelines, while its service life is more than 6 times that of steel pipes and more than 4 times that of composite pipes, offering significant economic benefits.

10. Ultra-high pipes are suitable for crude oil gathering pipelines, as these pipelines are often laid in remote areas with complex terrain and climate variations. Therefore, the advantages of ultra-high pipes, such as lightweight, easy installation, strong low-temperature resistance, and anti-aging properties, are particularly prominent for crude oil gathering pipeline installation.

From the above analysis, it is evident that for various solid particles, powders, and slurry transportation in industrial and mining enterprises, due to harsh working conditions, issues such as severe wear, structural damage, and corrosion are often encountered. Traditional pipelines are difficult to meet usage requirements. As a new type of pipe that is resistant to scaling, highly wear-resistant, highly impact-resistant, corrosion-resistant, low-temperature resistant, and self-lubricating, ultra-high pipes offer superior performance in the transportation of solid particles, wear-resistant hydraulic transportation of slurries, as well as the transportation of various corrosive fluids and gases. They are high-performance engineering plastic pipes capable of transporting solids, liquids, and gases.

Copper Mine Tailings Pipe Company Case Studies:

1. Qinghai Xinchuan Mining Co., Ltd. Pipeline Project (3000 meters Φ219 ultra-high molecular weight polyethylene composite pipe)

2. Luoyang Molybdenum Group Pipeline Project (1200 meters Φ377 ultra-high molecular weight polyethylene composite pipe)

3. Luanchuan Jufeng Mining Co., Ltd. Tailings Pipeline Project (3200 meters Φ273 ultra-high molecular weight polyethylene composite pipe)

4. Songxian Weiyan Mining Co., Ltd. Pipeline Project (1400 meters Φ219 ultra-high molecular weight polyethylene composite pipe)

5. Luanchuan Hexinyuan Mining Co., Ltd. Tailings Pipeline Project (3900m Φ159 ultra-high molecular weight polyethylene composite pipe)

6. Qianxinan Jinlong Gold Mining Co., Ltd. Tailings Pipeline Project (1500m Φ159 ultra-high molecular weight polyethylene composite pipe)

7. Luanchuan Faende Mining Co., Ltd. Tailings Pipeline Project (1500m Φ325 ultra-high molecular weight polyethylene composite pipe)

8. Shanxi Yangbai Mining Co., Ltd. Tailings Pipeline Project (500m Φ159 ultra-high molecular weight polyethylene composite pipe)

9. Hunan Fifteenth Metallurgical Export to Congo Gold, dredging and sand pumping project (4800mm, Φ219 ultra-high molecular weight polyethylene composite pipe)