四大管道

火电厂大机组四大管道设计计算中的若干重要问题

Important Factors in the HTHP Pipe Design and Calculation in power plants

超临界机组四大管道接管座超声波检测技术研究

Fillet Welds in Nozzle Stubs Ultrasonic Detection for HTHP Pipe in Supercritical Unit

火电厂四大管道系统弯管弯头设计对比分析

The comparative analysis of bending and elbow in main service piping design of coal-fired power plant

火电厂四大管道材料供应定额的确定

On the method for determining the quantitative norms of materials for the pipings of four categories in a power plant

本文以云冈热电四大管道支吊架为研究对象，通过对管道设计图纸资料的整理，对机组在冷热态工状下管道吊架受力和热膨胀位移进行测试。

Through the collation of pipeline design drawings and work on the unit under the letter of hot and cold pipe hanger state force and the thermal expansion displacement test .

高温高压管道是火电机组的关键部件之一，特别是四大管道，长期运行后其材质会逐渐发生蜕化并导致最终失效。

High temperature and pressure pipe is a part of key component of thermal power units especially the four major pipelines . The material after a long run may occur gradually degenerate leading to their ultimate failure .

加强管道与支吊架检查防止火电厂四大主要汽水管道破裂

Strengthening Check of Pipes , Supports & Hangers to Prevent Four Main Steam Pipes Breaking