省煤器

省煤器是硫磺制酸装置SO3、SO2炉气换热的主要设备，其换热效果的好坏及使用寿命的长短直接关系到整个装置的稳定生产和热能的有效利用。

Economizer is a major piece of equipment for the SO_3 , SO_2 burner gas heat exchange in the sulfur-burning sulfuric acid plant , whose heat exchanging performance and service life are directly related to the stable operation of the whole plant and the effective utilization of thermal energy .

燃气冲击波清灰技术及其在过热器和省煤器上的应用

Application of gas-fired shock wave ash removing technique on superheater and economizer

670t/h锅炉H型肋片管式省煤器的改造

Reconstruction of H-style Fin-tube Lower-temperature Economizer of 670t / h Boiler

CO锅炉省煤器管失效原因分析及技术改造FAILUREREASONAN

Failure reason analysis and technical reconstruction of CO boiler economizer

锅炉省煤器U形管裂纹的分析

An Analysis on Crack of the Boiler Economizer U Shape Tube

通过外观检验、壁厚测量、扫描电镜、能谱和X射线衍射，对省煤器管腐蚀原因进行了分析。

Through appearance inspection , wall thickness measurement , EDS analysis and X-ray diffraction , the corrosion cause of the coal economizer tube is analysed .

通过检测化学成分、宏观断口及金相组织等，对锅炉省煤器U形管裂纹进行了分析。

The crack reasons of the boiler economizer U shape tube were analyzed by means of chemical analysis , fractography and metallography examination .

结合余热锅炉省煤器的工况条件，用扫描电镜及EDS、X射线等方法分析省煤器炉管腐蚀原因。

Corrosion analysis of economizer tube is investigated by SEM and EDS , X-ray etc with the condition of boiler economizer .

SG410t／h锅炉省煤器管根部焊口拉裂的原因分析

Pull-cracks at Root Weld Joints of Economizer Tubes on SG410t / h Boiler

介绍了螺旋助片管省煤器在35t／h锅炉上的应用，推荐了合理可行的传热计算公式。

This paper introduces e application of spiral ribbed tube economizer in 35t / h boiler and recommends reasonable and practicable heat transfer calculating formula .

600MW机组省煤器输灰管路的改造

Renovation of Ash Handling Pipeline of Economizer for 600 MW Units

600MW机组锅炉省煤器出口后包覆管磨损分析

Erosion analysis of 600 MW boiler tubes at exit of economizer

300MW电站锅炉省煤器膨胀密封板压制研究

Study of Stamping Seal Plates of 300 MW Boiler Economizer

通钢HRSG省煤器泄漏原因分析及对策

Leakage Cause Analysis of HRSG Economizer and Countermeasures

300MW机组锅炉省煤器优化改造分析

The Analysis on Optimization Retrofit on Boiler Economizer for 300 MW Generating Units

600MW机组省煤器输灰系统存在问题及改造磷灰土运输租船合同

Problems and Reformation on Ash Conveying System for Economizer in 600 MW Unit

600MW大型燃煤机组省煤器输灰管路的设计应用与改进

Design , Application and Improvement of Economizer Ash Conveying Piping of 600 MW Coal-fired Unit

三菱700MW锅炉卧式过热器和省煤器振动机理分析及处理

The Vibration Analysis Of Economizer And Primary Super heater Of Mitsubishi Boiler And Countermeasures

DG220／9.8－4型锅炉~＃1省煤器弯头裂缝分析

Analysis on Cracks of Elbow Bend in 1 Economizer of Type DG 220 / 9.8-4 Boiler

分析了通钢CCPP机组成套的余热锅炉（HRSG）省煤器管产生泄漏的原因，通过改变集箱角？

The leakage causes of a set of HRSG 's economizer pipe for CCPP unit of Tonghua Iron & Steel Co. , Ltd. angle .

自1999年8月建成投产以来，在不到3a的时间里陆续出现多台锅炉省煤器集箱焊缝泄漏的事故，给安全生产带来了极大的隐患。

Since their operation in August , 1999 , several leakage accidents have happened in less than three years concerning the welding seams on the boiler savers , causing potential dangers to the production .

分析了膜片管省煤器的防磨机理，并采用DSFD法对其结构进行了优化计算。

The reason and laws of economizer abrasion are discussed and DSFD optimization method is used in construction calculation .

建议实施该发电厂10、11号锅炉SCR烟气脱硝工程时，采用低温省煤器移位方案，SCR系统设计远期按80%以上效率考虑。

We suggest using the low-temperature economizer scheme when implementing the SCR gas denitration engineering of number 10 and 11 boilers in this plant , and considering more than 80 % removal efficiency during the SCR system design in the long run .

125MW机组锅炉前隔墙省煤器进口联箱角焊缝区域失效故障诊断和延寿技术研究

Failure Diagnosis and Life Extension Research for Fillet Weld on Front Partition Economizer Inlet Header of 125 MW Boiler

为了避免锅炉省煤器在运行中产生共振引发的危害，应用流体诱发振动的原理分析了在吹灰除尘过程中应尽力避开漩涡脱落频率fw与湍流抖振频率fb的观点。

To avoid the damage to economization coal implement resonance in running , the theory that flowing liquid causes the vibration is applied to analyse that the vortices break frequency and overfall vibration frequency should be avoided in the course of ash blow and dust removal .

在我国，大部分锅炉其省煤器、空气预热器与锅炉三者是安装成一个整体的，因此难以与国外NH3-SCR工艺直接匹配。

The economizer , air preheater and boiler are installed into a entirety in our country , so the widely used NH3-SCR method is inapplicable in our country .

介绍了某46m高烟囱，由于锅炉设备安装时没有安装省煤器装置，至使进入砖烟囱之烟气温度升高，造成烟囱筒壁内抗温度应力钢筋不足，出现竖向裂缝。

This paper discusses the vertical cracks on a 46m high brick chimney . Because of no installing an economizer , the smoke temperature inner brick chimney increases so high that temperature reinforcement can not resist the occurence of cracks on the wall of the chimney .

低压省煤器在电站锅炉中的应用

The Application of Lower Pressure Economizer in Boiler of Power Plant

省煤器管材料热冲蚀磨损的研究

Investigation on hot erosive wear of the pipes in the economizer

循环流化床热水锅炉省煤器的焊接工艺

Welding Technology of Economizer of Circulating Fluidized Bed Hot Water Boiler