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- AUTOMATIC WELDING FOR CURVE WELDS ON ARC SHAPE TUBE SHEET 弧形管板空间曲线焊缝的自动焊接
- WELDING PROCEDURE BETWEEN TUBE AND TUBE SHEET FOR U SHAPE TUBE HEAT EXCHANGER U型管换热器管-管板焊接工艺
- For conical shaped tube or micro vial. 锥型试管或小瓶的搅拌用。
- Cracking cause analysis of the U shaped tube heat exchangers. U形管换热器开裂原因分析
- Grind purely the hole of the tube and measure the distance between the upper and lower tube sheet. 将需更换管子的管孔磨清理干净,测量上下管板间的实际距离。
- The non-mandrel roll extrusion process of shaped tube was simulated using nonlinear FEM software. 采用非线性有限元数值模拟与实验的方法对异型管双道次无芯棒辊挤成型过程进行了研究。
- The steam leakage was occurred on the welding zone of the tube sheet of the austenitic stainless steel heat exchanger. 摘要在奥氏体不锈钢制再沸器的上管板与壳程筒体焊接的管板一侧发生蒸气泄漏。
- The design experience of fixed tube sheet (not as flange) is summarized from analyzing & comparing the results based on GB151 & TEMA. 针对工程实例;对采用SW6-1998 V3.;0程序(基于(GB151-1999)计算方法与TEMA标准的计 算方法所得结果进行比较分析;总结出管壳式换热器不兼做法兰管板的设计经验。
- The steam generator of FCC unit in Jinzhou Petrochemical Company is head-floating steam generator and its tube sheet cracked after it was put into use more than a year. 锦州石化公司催化裂化装置采用的浮头式油浆蒸汽发生器,投用一年多(在其设计寿命之内)就发生失效。
- By practical running this electromechanical design is proved reasonable with the resolving power 0.04 Baume degrees,which is more precise than the U shaped tube density meter abroad. 经实际运行 ,证明了该机电一体化装置设计合理 ,分辨率达到了 0 0 4波美度 ,高于国外的U型管浓度计的分辨率。
- Experimental result indicates that both the chemical components and mechanical properties of the tube sheet meet GB6654-96, that is to say, material do not result in cracking on the CCU tube-plate. 实验结果表明,管板的化学成份和机械性能均符合国标GB6654-96,说明管板开裂不是由于材质本身造成的;
- It is hard to make an analysis of the temperature field and stress field in the tube sheet and cylinder of a waster heat boiler owing to asymmetric arrangement of the heat exchange tube. 废热锅炉换热管分布的不对称性,使得管板和筒体等部件的温度场与应力场分析十分困难。
- A modified kinematically admissible velocity field for the backward extrusion of internally circular shaped tubes from arbitrarily shaped billets is proposed. 提出了对任意形状坯料的反挤压成形内圆筒的运动许可速度场改善。
- Results There were complete excision of the choledochal cysts associated with choledochojejunostomy in 4 patients, exploration of bile duct and drainage with T shape tube in 3 patients. 结果胆管囊肿切除,胆管空肠吻合术4例,胆管探查,T管引流术2例。
- Keywords shaped tube;rollforming;CAD;COPRA; 异型钢管;成型;计算机辅助设计;COPRA软件;
- shaped tube electrochemical machning 型管电极电解加工
- A Few Opinion to Design Fixed Tube Sheet 浅淡固定式管板设计
- The Calculation Method of Heat Exchanger Tube Sheet 换热器管板计算的简化方法
- The economy should be shaped to a new pattern. 经济应该适合于一种新的模式。
- fixed tube sheet type heat exchanger 固定管板式热交换器