Product keywords: Polyurethane lined pipes
product description：
Polyurethane-lined pipes have comprehensive properties such as excellent abrasion resistance, acid resistance, alkali resistance, corrosion resistance, hydrolysis and aging resistance, anti-scaling, high elasticity, and mechanical impact resistance. Can be widely used in power, coal, mining, building materials, chemical and other industries to transport coal powder, ash, ore powder, aluminum liquid, mud and other abrasive particulate materials and corrosive media.
Performance characteristics:
1.Using rigid polyurethane with low thermal conductivity and good heat insulation performance as the heat insulation material, it has excellent heat insulation.
2. When the water at 130 ℃ is transported beyond 40 kilometers after normal operation, the temperature drop is only about 1 ℃.
3. It has strong waterproof and anti-corrosion ability. It can be directly buried in the ground or water without the need for a pipe trench. The construction is simple and quick, and the overall cost is low.
4. It also has good corrosion resistance and impact resistance under low temperature conditions, and can be directly buried in the frozen soil layer.
5. The prefabricated insulation pipe uses a corrosion-resistant (HDPE: high-density polyethylene) jacket tube, which is not affected by biological and chemical corrosion.
6. According to user needs, can provide pipes with various pipe diameters and insulation thicknesses between DN20 ~ DN1200 and matching fittings (elbows, tees, reducers, fixed joints, etc.)?
7. The products implement the CJ / T 114-2000 and CJ / T 115-2001 standards of the People's Republic of China's urban construction industry.
8. In order to ensure the trinity of the prefabricated direct buried insulation pipe, the outer surface of the steel pipe before foaming, and the inner surface of the plastic pipe are corona treated. The rust removal level reaches the requirements of Sa2.5 in GB / T 8923-1998. Dyne / cm.
9. The polyethylene outer protective tube is made of high-density polyethylene material, supplemented with various additives such as antioxidants, and strictly inspects the quality of raw materials and products to ensure that the product quality meets the CJ / 114-2000 standard and is directly buried. The technical requirements of the outer tube protect the overall quality of the outer tube. Specific technical indicators are shown in the table below.
10. The company is equipped with imported and domestic high-pressure foaming machines and hydraulic pipe-penetrating machines, which improves the overall quality of the products.
Application area：
Electric power industry: The ash removal pipeline, ash residue pipeline, and gray water recovery pipeline of the thermal power plant. For the fresh water of the power plant, the ash removal of seawater and the use of polyurethane composite steel pipe for acidic medium transportation system can better reflect its superiority.
Coal industry: Dense medium coal preparation and long-distance cast coal pipeline system in coal washing plant. Sediment backfill during coal mining.
Mining industry: iron ore, copper ore and other pulps, mine concentrates, tailings conveying systems, closed-loop pipelines for mining flotation systems, and water and sand transportation for gold mining.
Construction materials and chemical industry: transportation of coke particles in iron and steel plants, transportation of coal powder in cement plants, transportation of corrosive acid and alkali salts, and transportation of solids and liquids with corrosion. Such as pipeline transportation in oil extraction, silt drainage projects, urban water supply systems, aluminum liquid transportation, all have obvious effects.
