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泥沙输送选用什么材质的管道好
在清理河道，疏浚工程，吹填工程，抽沙工程，围海造地工程，港口扩建工程，航道清淤工程等相关泥沙浆输送工程中，通过挖抽沙泵连续工作然后通过管道输送到指定地点，离不开管道输送。
In dredging, dredging, dredging, filling, dredging, reclamation, reclamation, harbour expansion, channel dredging and other related slurry transport projects, continuous work through dredging and pumping pumps and then through pipelines to designated locations can not be separated from pipeline transport.
泥沙输送管线中常用的几种管道有：金属螺旋焊管、金属无缝管、铸铁管、尼龙管、PVC管、塑料管。那么，作为泥沙输送管道该选用哪种材质的管道呢？（海上抽沙管选用哪种材质管道好）
Several kinds of pipelines commonly used in sediment transportation pipelines are: metal spiral welded pipe, metal seamless pipe, cast iron pipe, nylon pipe, PVC pipe and plastic pipe. So what kind of pipeline should be chosen as the sediment transportation pipeline? Which material pipe is suitable for sand suction pipe at sea?
铁管-----早几年疏浚行业普遍用对焊铁管或螺旋焊管较多，缺点是管壁薄，3年左右在陆上的管线生锈老化严重，水中的比较厉害，受压力、风浪、水腐蚀等综合因素影响，损害严重，经常修补。现今考虑造价成本，一些大型设备和泵船所用大口径管线，依然采用金属管线。铸铁管优点是管壁厚，使用寿命长，缺点是重量重，安装搬运不方便。
Iron Pipe - --- In dredging industry, butt welded iron pipe or spiral welded pipe were widely used in the early years. The shortcoming is that the pipe wall is thin, the pipeline on land has been rusted and aged seriously in about 3 years, and the pipeline in water is more severe, which is seriously damaged and often repaired due to pressure, wind wave, water corrosion and other comprehensive factors. Nowadays, considering the cost of construction, some large-scale equipment and large-caliber pipelines used by pump ships still use metal pipelines. The advantages of cast iron pipes are wall thickness and long service life. The disadvantages are heavy weight and inconvenient installation and handling.
PVC管-----一般用于楼房排水，在疏浚输沙工程中，也少有用的，缺点是不耐折压 不耐寒，不能在水中使用，管材本身硬不能弯曲，一般用于较小压力及小口径的管线。
PVC pipe - --- generally used for building drainage, in dredging and sediment transport projects, also less useful, the shortcoming is that it can not withstand bending and cold, can not be used in water, the pipe itself can not bend hard, generally used for smaller pressure and small diameter pipelines.
尼龙管-----性能略高于PVC管，虽然强度有所提高，但是柔韧性差，抗风浪差，弱点还是抗击打能力差，重物压过必坏，可以在陆地短距离短时间内用。
Nylon pipe - - - performance slightly higher than PVC pipe, although the strength has been improved, but the flexibility is poor, poor resistance to wind and waves, weakness or poor ability to fight, overweight will deteriorate, can be used in short distance on land.
塑料管-----一种是普通塑料管，一般为聚乙烯材质；另一种是超高分子高强度聚乙烯管，用于泥沙输送比较合适，具体优势如下：
Plastic pipe - --- one is ordinary plastic pipe, generally made of polyethylene; the other is ultra-high molecular strength polyethylene pipe, which is suitable for sediment transport. The specific advantages are as follows:
1.重量轻只有同规格钢管的八分之一，安装运输方便，节约工地搬运 开工时间。
1. Light weight is only one-eighth of the same size steel pipe. It is convenient to install and transport, and saves the starting time of site handling.
2.浮力大，可配套塑料圆形浮体，长期使用综合造价低。
2. buoyancy can be matched with plastic circular floating body, and the comprehensive cost is low for long term use.
3.强度高，柔韧性好，有弹性，在水中能弯曲，陆地凹凸面在30度以内的区域，可以通过管材自身的柔韧性自行调节，不用修铺路面，管与管之间可以直接连接，在水中不受风浪影响。
3. Strength is high, flexibility is good, elastic, can bend in water, land concave and convex surface within 30 degrees, can be adjusted by the flexibility of the pipe itself, without paving the road, pipe and pipe can be directly connected in water, not affected by wind and waves.
4.高耐磨性是钢管的4-8倍。
4. high wear resistance is 4-8 times that of steel pipe.
5.接管方便，管两头带活动法兰，管口内衬钢圈，长久使用管口不会变形；用螺栓直接连接管头活动法兰就可。
5. Easy to take over, with movable flange at both ends of the pipe and steel ring lining at the nozzle, the nozzle will not be deformed after long-term use; it is possible to directly connect the movable flange at the nozzle with bolts.
4.管道内壁光滑，摩擦系数极小，输送效率比钢管高百分之15-30。
4. the inner wall of the pipeline is smooth, the friction coefficient is very small, and the transportation efficiency is 15-30 higher than that of the steel pipe.
6.抗紫外线，抗老化，使用寿命长，根据含沙量的多少能用8-12年。
6. UV resistance, anti-aging, long service life, according to the amount of sediment can be used for 8-12 years.
In dredging, dredging, dredging, filling, dredging, reclamation, reclamation, harbour expansion, channel dredging and other related slurry transport projects, continuous work through dredging and pumping pumps and then through pipelines to designated locations can not be separated from pipeline transport.
泥沙输送管线中常用的几种管道有：金属螺旋焊管、金属无缝管、铸铁管、尼龙管、PVC管、塑料管。那么，作为泥沙输送管道该选用哪种材质的管道呢？（海上抽沙管选用哪种材质管道好）
Several kinds of pipelines commonly used in sediment transportation pipelines are: metal spiral welded pipe, metal seamless pipe, cast iron pipe, nylon pipe, PVC pipe and plastic pipe. So what kind of pipeline should be chosen as the sediment transportation pipeline? Which material pipe is suitable for sand suction pipe at sea?
铁管-----早几年疏浚行业普遍用对焊铁管或螺旋焊管较多，缺点是管壁薄，3年左右在陆上的管线生锈老化严重，水中的比较厉害，受压力、风浪、水腐蚀等综合因素影响，损害严重，经常修补。现今考虑造价成本，一些大型设备和泵船所用大口径管线，依然采用金属管线。铸铁管优点是管壁厚，使用寿命长，缺点是重量重，安装搬运不方便。
Iron Pipe - --- In dredging industry, butt welded iron pipe or spiral welded pipe were widely used in the early years. The shortcoming is that the pipe wall is thin, the pipeline on land has been rusted and aged seriously in about 3 years, and the pipeline in water is more severe, which is seriously damaged and often repaired due to pressure, wind wave, water corrosion and other comprehensive factors. Nowadays, considering the cost of construction, some large-scale equipment and large-caliber pipelines used by pump ships still use metal pipelines. The advantages of cast iron pipes are wall thickness and long service life. The disadvantages are heavy weight and inconvenient installation and handling.
PVC管-----一般用于楼房排水，在疏浚输沙工程中，也少有用的，缺点是不耐折压 不耐寒，不能在水中使用，管材本身硬不能弯曲，一般用于较小压力及小口径的管线。
PVC pipe - --- generally used for building drainage, in dredging and sediment transport projects, also less useful, the shortcoming is that it can not withstand bending and cold, can not be used in water, the pipe itself can not bend hard, generally used for smaller pressure and small diameter pipelines.
尼龙管-----性能略高于PVC管，虽然强度有所提高，但是柔韧性差，抗风浪差，弱点还是抗击打能力差，重物压过必坏，可以在陆地短距离短时间内用。
Nylon pipe - - - performance slightly higher than PVC pipe, although the strength has been improved, but the flexibility is poor, poor resistance to wind and waves, weakness or poor ability to fight, overweight will deteriorate, can be used in short distance on land.
塑料管-----一种是普通塑料管，一般为聚乙烯材质；另一种是超高分子高强度聚乙烯管，用于泥沙输送比较合适，具体优势如下：
Plastic pipe - --- one is ordinary plastic pipe, generally made of polyethylene; the other is ultra-high molecular strength polyethylene pipe, which is suitable for sediment transport. The specific advantages are as follows:
1.重量轻只有同规格钢管的八分之一，安装运输方便，节约工地搬运 开工时间。
1. Light weight is only one-eighth of the same size steel pipe. It is convenient to install and transport, and saves the starting time of site handling.
2.浮力大，可配套塑料圆形浮体，长期使用综合造价低。
2. buoyancy can be matched with plastic circular floating body, and the comprehensive cost is low for long term use.
3.强度高，柔韧性好，有弹性，在水中能弯曲，陆地凹凸面在30度以内的区域，可以通过管材自身的柔韧性自行调节，不用修铺路面，管与管之间可以直接连接，在水中不受风浪影响。
3. Strength is high, flexibility is good, elastic, can bend in water, land concave and convex surface within 30 degrees, can be adjusted by the flexibility of the pipe itself, without paving the road, pipe and pipe can be directly connected in water, not affected by wind and waves.
4.高耐磨性是钢管的4-8倍。
4. high wear resistance is 4-8 times that of steel pipe.
5.接管方便，管两头带活动法兰，管口内衬钢圈，长久使用管口不会变形；用螺栓直接连接管头活动法兰就可。
5. Easy to take over, with movable flange at both ends of the pipe and steel ring lining at the nozzle, the nozzle will not be deformed after long-term use; it is possible to directly connect the movable flange at the nozzle with bolts.
4.管道内壁光滑，摩擦系数极小，输送效率比钢管高百分之15-30。
4. the inner wall of the pipeline is smooth, the friction coefficient is very small, and the transportation efficiency is 15-30 higher than that of the steel pipe.
6.抗紫外线，抗老化，使用寿命长，根据含沙量的多少能用8-12年。
6. UV resistance, anti-aging, long service life, according to the amount of sediment can be used for 8-12 years.
