Thermal Deviation of water wall outlet piping caused by bad furnace firing condition can cause considerable temperature difference on the working media of inlet piping which is introduced to furnace roof inlet header .

由于炉膛燃烧不理想导致 水冷壁出口管的热偏差，使进入顶棚进口 集 箱的引入管的工质产生了较大的温差。

A multitude of ring-shaped cracks and three water leakage points were discovered in the right side lower header of a boiler together with a cave-in of the boiler roof water-cooled wall .

锅炉右下 集 箱产生了很多环状裂纹和三个 渗水点，同时顶棚水冷壁管塌陷。

The water volume fraction the velocity field on header section and the outlet flux were analyzed .

分析 联 箱截面的 液体体积分数、速度场及出口流量。

Some innovations are finished in the measurement of liquid position of steam header and automatic control . Supplying water into steam header is realized by web technique .

在汽包液位的测量和自动控制策略上，进行了大胆的创新，并利用网络技术实现了 汽包 自动 补水。

In order to find out the reasons examinations are made on the safety of circulating water system for external heat collector . And analyses are made in aspects to header structure furnace water quality and operational management combined with metallographic analysis for explosion place .

为从多方面查找事故原因，通过对外取热器 水循环系统的安全性校核，并结合爆管部位的金相分析，从 联 箱结构、炉水品质以及运行管理几方面分析了事故原因。

Analysis of Over Pressure of Steam and Water side in High Pressure Header System

高压 加热器系统汽、 水侧超压问题分析

A Remedy for the Cracks on the Inner Wall of Water Part of Vapour Water Header in a Marine Boiler

某船用锅炉汽水 集 箱 水部筒体内壁裂纹的解决措施

Quality Test of Welding between Water Wall and Header

水冷壁管与 集 箱焊接质量的检验

Through the metallographic analysis of the materials used for the left and right side lower header of the boiler and an analysis of the boiler construction and water circulation circuits the cause of the boiler header failure finally identified an improvement is presented .

通过对锅炉左、右下集箱材质的金相组织分析及对锅炉结构、 水循环分析，得出该锅炉下 集 箱失效的原因，并提出改进措施。