抽沙管道
Sand pumping pipeline
介质：河沙  颗粒度：硬度：使用温度：常温   输送量大口径为150mm—300mm
Medium: river sand particle size: hardness: service temperature: normal temperature, conveying capacity, large diameter, 150 mm-300 mm
设计耐磨管道材料为：1、超高分子聚乙烯管2、钢衬聚氨酯管
The designed wear-resistant pipe materials are: 1. Ultra high molecular weight polyethylene pipe; 2. Steel lined polyurethane pipe
使用寿命3—5年
The service life is 3-5 years
二、海上疏浚泥浆管道
2、 Marine dredging mud pipeline
介质：泥浆、沙颗粒度：硬度：使用温度：常温输送量大（需浮力桶）
Medium: mud, sand particle size: hardness: service temperature: normal temperature, large conveying capacity (need buoyancy bucket)
口径为 150mm—300mm
The diameter is 150 mm-300 mm
设计耐磨管道材料为：1、超高分子聚乙烯复合管  2、钢衬聚氨酯管
The design of wear-resistant pipeline materials are: 1. UHMWPE Composite pipe; 2. Steel lined polyurethane pipe
使用寿命3—5年
The service life is 3-5 years