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1)  large diameter nodular cast iron pipeline
大口径球墨铸铁管
1.
In this paper, the main properties of large diameter nodular cast iron pipeline are introduced.
介绍了大口径球墨铸铁管的主要性能特点 ,并通过黄河水源太原市城市给水工程 ,就大口径球墨铸铁管在设计与施工中的要点进行了论
2)  ductile cast iron pipe
球墨铸铁管
1.
To reduce the energy consumption of annealing furnace of ductile cast iron pipe, the measures of increasing entrance temperature of pipe, improving heat efficiency and changing the type of fuel are taken, the cost of pipe is decreased by 71 2 yuan/t and the effect of energy saving is very notabl
为了降低球墨铸铁管退火炉的能耗 ,采取了提高球铁管的入炉温度、提高炉子的热效率、改变燃料的种类等措施 ,使吨管成本降低了 71。
2.
The gas cavity and pinhole defects formed in the ductile iron pipes was analyzed to improve the qualified rate of the ductile cast iron pipes by water-cooling centrifugal casting,and to reduce the rejection rate.
为了提高水冷型离心机球墨铸铁管的成形率,降低废品率,对球墨铸铁管气孔、针孔产生的原因进行了分析,并提出了一些预防措施。
3)  Ductile iron pipe
球墨铸铁管
1.
Study on the Properties of Ductile Iron Pipe Centrifugally Casted by Means of Resin Sand Coated Metal Mould;
覆膜砂离心铸造球墨铸铁管性能的研究
2.
A special polyurethane coating used for ductile iron pipe has been developed.
研制了一种专用于球墨铸铁管的聚氨酯涂层,研究了涂料配比对粘度、流平性、固化速度、附着力、硬度等涂料性能的影响,分析了工艺参数如温度、压力对涂层质量的影响。
4)  ductile iron pipes
球墨铸铁管
1.
Progress in the painting technology of solvent free polyurethane coating for ductile iron pipes;
球墨铸铁管无溶剂聚氨酯防腐涂层涂装工艺研究进展
2.
On application of mechanical interface ductile iron pipes in metro
机械式接口球墨铸铁管在地铁中的应用
3.
The performance of coatings shows that this technology and apparatus are fit for th e anti-corrosion protective finishing on the ductile iron pipes.
介绍了球墨铸铁管防腐涂层喷涂设备和工艺,确定了喷涂的工艺参数。
5)  nodular cast iron pipes
球墨铸铁管
1.
The merits and demerits of nodular cast iron pipes used in subway tunnel sections were analyzed, and the reasonable measures for overcoming the demerits were put forward to supply water in the sections safely and reliably.
对球墨铸铁管在地铁隧道区间应用的优、缺点进行了分析,并针对其缺点提出了合理的解决措施,以保证供水安全、可靠。
2.
This paper discusses on whether to adopt nodular cast iron pipes or steeliness converse rainbow pipes through a river trench in the first scheduled time water supply engineering of new waterhead terra City of Lang Fang, And explains with technical characters,engineering investment and safety for water supply.
在廊坊市新水源地一期供水土程中穿越河渠时是否对球墨铸铁管与钢制倒虹管的采用,进行方案比较,并从技术性能、工程造价、供水安全等方面进行了评述。
6)  casting ductile iron pipe
球墨铸铁管
1.
The application of casting ductile iron pipe in municipal pipeline and prospect forecast;
浅析球墨铸铁管在城市管道中的应用及前景
2.
The application of casting ductile iron pipe in the No.5 line works of Beijing metro;
球墨铸铁管在北京地铁五号线工程中的应用
3.
The application of casting ductile iron pipe in water supply and drainage;
谈球墨铸铁管在给排水领域中的应用
补充资料:铸铁管
      用铸铁浇铸成型的管子。铸铁管用于给水、排水和煤气输送管线,它包括铸铁直管和管件。按铸造方法不同,分为连续铸铁管和离心铸铁管,其中离心铸铁管又分为砂型和金属型两种。按材质不同分为灰口铸铁管和球墨铸铁管。
  
  连续灰口铸铁管的公称口径为75~1200毫米,直管长度有4米、5米及6米;按壁厚不同分LA、A和B三级。砂型离心灰口铸铁管的公称口径为200~1000毫米,有效长度有5米及6米;按壁厚不同分P、G两级。
  
  球墨铸铁管与灰口铸铁管相比,强度大、韧性好、管壁薄、金属用量少、能承受较高的压力,是铸铁管材的发展方向。
  
  管与管之间的连接,采用承插式或法兰盘式接口形式;按功能又可分为柔性接口和刚性接口两种。柔性接口用橡胶圈密封,允许有一定限度的转角和位移,因而具有良好的抗震性和密封性,比刚性接口安装简便快速,劳动强度小。
  

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