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锅炉再热器    
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  boiler reheater
    Failure in HG-2008/186-M Boiler Reheater Tube and its Remedy
    HG-2008/186-M型锅炉再热器爆管分析
短句来源
    Discussion on the Temperature Regulating Methods of CFB Boiler Reheater
    循环流化床锅炉再热器调温方式探讨
短句来源
    Temperature field measurement and analysis about boiler reheater vent-pipe and evacuating water pipe
    电站锅炉再热器集汽箱管路的温度测量分析
短句来源
    Comprehensive Treatment of Boiler Reheater of Home-made 600 MW Generating Units in Yuanbaoshan Power Plant
    元宝山发电厂国产600MW机组锅炉再热器综合治理
短句来源
    Analysis and Solution for Tube Explosion of Boiler Reheater
    锅炉再热器爆管原因分析及对策
短句来源
更多       
  boiler reheater
    Failure in HG-2008/186-M Boiler Reheater Tube and its Remedy
    HG-2008/186-M型锅炉再热器爆管分析
短句来源
    Discussion on the Temperature Regulating Methods of CFB Boiler Reheater
    循环流化床锅炉再热器调温方式探讨
短句来源
    Temperature field measurement and analysis about boiler reheater vent-pipe and evacuating water pipe
    电站锅炉再热器集汽箱管路的温度测量分析
短句来源
    Comprehensive Treatment of Boiler Reheater of Home-made 600 MW Generating Units in Yuanbaoshan Power Plant
    元宝山发电厂国产600MW机组锅炉再热器综合治理
短句来源
    Analysis and Solution for Tube Explosion of Boiler Reheater
    锅炉再热器爆管原因分析及对策
短句来源
更多       
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  boiler reheater
The last section of tubing removed had been exposed for over 17 years in a boiler reheater section operating at 1005° F (540° C) and at a steam pressure of 475-500 psig (3.28-3.45 MPa).
      


In order to obtain better quality and good productivity, the original horizontal automatic TIG welding machine is improved with an EU-ROMA TIG -2-35 power source imported from German as an effective TIG welding machine which can penetrate 7 mm thick of tube wall with only one pass welding. The equipment and procedure developed are applied to welding reheater components of 300MW boiler.

为提高管子对接接头质量及生产效率,在原有的水平自动TIG焊机基础上,引进德国产EUROMA TIG-2-35型电源,开发了一次成形TIG焊设备.经过焊接工艺试验,可一次焊透壁厚7mm的管子接头,并成功地应用于300MW锅炉再热器部件的焊接.

Abstract The paper describes the test results of improvement effects on a licensed 300MW set's boiler and its reheater for the purpose of diminishing reheater's mass flow and temperature deviations. The deviation coefficient in the last stage reheater dropped from the original 1 .23 to 1 .15 after improvement, and the difference between the maximum and minimum reheating temperature dropped from 67℃to 35.4℃, herewith increasing the boiler's operational safety and reliability.

该文介绍引进型300MW机组锅炉、再热器系统经改进,减少再热蒸汽流量偏差和温度偏差的实炉试验结果。经过改进,末级再热器热偏差系数由原来的1.23减少到1.15,再热蒸汽温度最高值与最低值差由原来的67℃减少到35.4℃,提高了锅炉运行的安全性和可靠性。图2表1

Abstract Reduction of pressure loss in reheaters is an effective way of raising power plant's efficiency.Considering the construction and parameters of existing 300 MW sets' reheater systems,the paper presents the calculated pressure drop distribution as well as the influencing factors. Based on these results a way of reducing the pressure loss reheaters is proposed.

如何降低再热器压降是提高电厂效率的重要问题。该文针对现有300MW机组锅炉再热器系统、结构、参数,对其压降分布及其影响因素进行了计算分析,并在此基础上提出了降低再热器压降的建议。

 
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