Instrument air supply header pipe, subheader pipe and pipe fittings shall be in accordance with piping specifications for the appropriate pipe class. 仪表风总管、分支总管和管件应执行相应管道等级的管道规格。
The relation of acetylene content in the header outlet pipe of convertor with the service time of catalyst in the production of PVC by calcium carbide method was introduced. 介绍了电石法PVC树脂生产中转化器出口总管处的乙炔含量与触媒使用时间的关系。
Ultra super critical; boiler; heating surface; header; pipe; test. 超(超)临界;锅炉;受热面;集箱;管道;检验。
Fabricate Welding Process for Descaling Header in H Section Mill Flow Numerical Simulation and Parameters Optimization of the Header Pipe of Non-restrained Medium Steel Plate Quencher H型钢轧机除鳞集管的装焊中厚板淬火机集管流场的数值模拟与参数优化设计
Analysis on the Influencing Factors of the Upside Header ′ s Flow of Non-Restraint Pipe Flow Quenching System 管流无约束淬火系统中上集管流量影响因素分析
Effect of Upside Header ′ s Liquid Breakup on Plate Quenching And Controlled Cooling Systemin in High Density Pipe Flow 高密度管流中上集管断流对钢板淬火和控冷系统的影响
Study on the Leakage of Hydrogen Manufacturing unit(ⅰ)& Cracking of Lower Header and External Pipe of the Conversion Furnace 制氢装置试车过程中泄漏的研究(一)&转化炉下集合管外接管的开裂
Existing calculation methods generally assume, that the pressure distribution in the header may simply be represented by a parabolic curve, or that branch pipe connections in the header be simply represented by a longitudinal slot of uniform breath. 现有的计算方法一般是用一条抛物线简单地描述集箱静压分布,或将支管形式的分配集箱简化成在集箱上开一条均匀宽度的长槽。