Effect of Biofilm on the Corrosion and Fouling of Cast Iron Pipe for Water Supply 生物膜对给水铸铁管腐蚀结垢的影响
Using the method of isothermal forging spheroidal graphite cast iron pipe of good quality can be produced. 利用等温锻造方法可生产优质的球墨铸铁管。
Analysis of Variables Affecting the Elongation of Centrifugal Ductile Cast Iron Pipe and its Measures. 增加石墨球数量和提高球化率,有利于改善离心铸造球墨铸铁管的伸长率。
The WHC is a dual three-lane, immersed-tube road tunnel linking the West Kowloon Expressway with the Western District. Technical requirements of malleable cast iron pipe fittings 西区海底隧道是一条双程三线沉管行车隧道,连接西九龙快速公路与港岛西区。GB/T3287-1982可锻铸铁管路连接件技术条件
At the end of the pump valves, cast iron pipe and other items to be rusty rust, and then coated with butter, dry place on the preservation, re-use for winter and spring. 水泵的底阀、弯管等铸铁件,生了锈的要除锈,然后再涂上黄油,放在干燥处保存,以备冬春再用。
Hubbed threaded cast iron pipe flanges GB/T17241.3-1998带颈螺纹铸铁管法兰
The paper reported the development and fine property of the nodular cast iron pipe used in gas pipeline, as well forecasted its market prospect. 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。
The composition, control principle and dynamic characteristics of time series pulse combustion control system applied to the annealing furnace in Beitai Ductile Cast Iron Pipe Plant are introduced. 主要介绍了北台球墨铸铁管厂退火炉时序脉冲燃烧控制系统的组成、控制原理和动态性能,指出时序脉冲燃烧控制方式的优点以及在引进应用中应注意的问题。
The smith forged the horseshoe with great skill. Technical requirements of malleable cast iron pipe fittings 那铁匠技术娴熟地锻造马的蹄铁。GB/T3287-1982可锻铸铁管路连接件技术条件
Technical requirements of malleable cast iron pipe fittings Study and Application of Hot Work Die Precision Casting Process GB/T3287-1982可锻铸铁管路连接件技术条件热锻模具精密铸造工艺的研究与应用
Some requirements for cast iron pipe standardization were put forward. 指出在国内、国际环境下对标准化工作提出的要求;
Diatomite and Its Application in Mould Coating for Centrifugal Cast Iron Pipe 硅藻土及其在离心铸管涂料中应用
Research of Technique in Low Rare Earth High Strength Continuous Cast Iron Pipe 低稀土高强度连铸铁管的研究
Application of Ductile Cast Iron Pipe in Engineering and Analysis 球墨铸铁管在工程中的应用与分析
With the development of chemical construction materials the traditional construction pipe such as cast iron pipe, galvanized steel pipe and common steel pipe are gradually substituted by plastic pipe because of the easy corrosion causing pollution of water. 随着化学建材的发展,传统的建筑管材&铸铁管、镀锌钢管和普通钢管,其内外壁容易锈蚀,对水造成了严重污染而逐渐被塑料管材取代。
The application of compound agent containing rare-earths, calcium, barium and silicon has been studied in continuous cast iron pipe. 利用含稀土、钙、钡、硅等制成的复合变质剂在连续铸铁管上进行了应用研究。
The advantages and shortcomings of the common materials currently used in town fuel gas pipeline network, namely cast iron pipe, welded steel pipe and polyethylene ( PE) pipe are analyzed. 分析了铸铁管、焊接钢管和聚乙烯(PE)管3种当前城市燃气管网主干管材质的优缺点。
The ceramic lined nodular cast iron pipe was produced by the SHS centrifugal-thermit process. The result showed that SHS process had important influence on the microstructure of nodular cast iron based on the ferrite. 本文采用离心-SHS法制备了陶瓷内衬球墨铸铁复合管,研究表明,SHS过程对铁素体基球墨铸铁的显微组织有重要的影响。
The cast iron pipe thickness is 2.2mm ( 14.1%) thinner than the international standard. 该铸铁管管壁厚度比国际标准规定的薄2.2mm(14.1%)。
This paper analyses the characteristics of zinc dust produced in the production line of spraying zinc onto the surface of nodular cast iron pipe, properly designs a new type of moving air tight suction guard and expounds the determination of the main parameters. 本文分析了球墨铸铁管表面喷锌生产线锌粉粉尘产生的特点,设计了新型移动式气幕密闭吸风罩,并阐述了主要参数的确定。
The Study of Solidification Process for Centrifugal Cast Iron Pipe 热模法离心铸管凝固过程的研究
Through comparison of the application of machine-made cast iron pipe with flexible interface and UPVC plastic pipe in the drainage system of dwellings, this paper holds that the cast iron drainage pipe with flexible interface should be used as the major ones among dwelling's drainage pipes. 通过柔性接口机制铸铁管与硬聚氯乙烯(UPVC)塑料管在住宅排水系统中的应用比较,认为柔性接口铸铁排水管为住宅排水管材的主流;
The application of PVC-U drainage pipe and drainage cast iron pipe in construction PVC-U排水管与排水铸铁管在建筑中的应用
Taking section of Xuefu street of Taiyuan water engineering of Yellow River source as example, this paper introduces installation norm and process of nodular cast iron pipe, analyzes influencing factors of quality safety, proposes the quality control measures. 以黄河水源太原市给水工程学府街段球墨铸铁管安装为例,介绍了球墨铸铁管的安装规范和安装程序,分析了影响安全质量的因素,提出了安装质量的控制措施。
Hot dip galvanizing is commonly used in plating cast iron pipe due to the particularity of material and shape, resulting in high zinc and energy consumption and high cost. 铸铁管件由于材质和形状的特殊性,一般采用热镀锌,但耗锌量大,能耗大,成本高。
Inquiring into Production of Cast Iron Pipe by Semicontinuous Centrifugal Casting Technology 用半连续离心铸造工艺生产铸铁管的探讨
In this paper the ceramic lined nodular cast iron pipe was made by the SHS centrifugal thermit process. The influence of combustion synthesis process on the matrix microstructure was investigated meanwhile. 用自蔓延铝热离心法制备了陶瓷内衬复合球墨铸铁管,研究了燃烧合成过程对球墨铸铁基体组织的影响;
Development& Application of Regenerative Ductile Cast Iron Pipe Annealing Oven 球墨铸铁管蓄热式退火炉的研制和应用
The forming mechanism of pinhole defect in no-solvent polyurethane coat on centrifugal nodular cast iron pipe is analyzed, some effective measures to eliminate offered. 分析了离心球铁管无溶剂聚氨酯涂层针孔缺陷形成的机理,给出了消除这一缺陷的有效措施。