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boiler     
相关语句
  锅炉
    THE THEORY AND REALIZATION OF FOULING ON-LINE MONITORING ON THE HEATING SURFACE OF BOILER
    锅炉受热面污垢在线监测理论及应用
短句来源
    Low-cycle Fatigue Life Estimation of Power Plant Boiler Drum and Structure Analysis of Pressure Piping
    电厂锅炉汽包低周疲劳寿命评估技术及压力管道结构分析研究
短句来源
    The Numerical Simulation of Coal Powder Combustion Process and Slagging in Utility Boiler
    电站锅炉煤粉燃烧过程及结渣的数值模拟
短句来源
    Thermal Stress of Slag on Walltube Created by Boiler Load Shift and Theory Reasearch on Fuzzy Online Optimization of Boiler Sootblow
    电站锅炉变负荷引起的水冷壁渣层热应力和吹灰在线模糊优化运行的基础理论研究
短句来源
    Study on Dynamic Simulation of Combustion Temperature in Boiler and Expert System for Optimizing-operation Based on On-line Monitoring to Flux of Air and Coal
    基于风粉监测的煤粉锅炉燃烧工况动态仿真与操作优化专家系统研究
短句来源
更多       
  
    Research on Detection and Diagnosis System of Boiler Tubes Leakage Based on Chaos and Fractal Theories
    基于混沌与分形理论的管泄漏检测与诊断系统的研究
短句来源
    Experimental investigations on adjustment of heat deviation in furnace water walls of a UP boiler by means of throttle orifices.
    采用节流孔板调整UP膛水冷壁热偏差的试验研究
短句来源
    Suggestions for Improvement of the UP Boiler
    关于UP改进方向的探讨
短句来源
    Vibration Problems of Suspended Boiler Settings
    220吨/时悬吊式锅墙的振动问题
短句来源
    On the Vibration of Boiler Structures in Large Power Plants
    大型电站锅墙振动研究
短句来源
更多       
  型锅炉
    Design of Boiler DG 670/140 for 200 MW Power Units
    配20万千瓦机组的DG670/140型锅炉的设计
短句来源
    Tests on the Superheaters of a DG300/100-1 Boiler
    DG300/100-1型锅炉过热器的调试
短句来源
    An Analysis of the Causes of Gas Side Corrosion of Type ЕП670/140 Boiler Water Wall Tubes
    ЕП670/140型锅炉水冷壁管烟侧腐蚀原因分析
短句来源
    A microcomputer control system for the GZKL-10-3 boiler
    GZKL-10-3型锅炉微机控制系统
短句来源
    A Discussion on the Problem of Overheater Tube Broken for Type SHS_(25)—25/400 Boiler
    SHS_(25)—25/400型锅炉过热器爆管问题的探讨
短句来源
更多       
  电站锅炉
    The Numerical Simulation of Coal Powder Combustion Process and Slagging in Utility Boiler
    电站锅炉煤粉燃烧过程及结渣的数值模拟
短句来源
    Thermal Stress of Slag on Walltube Created by Boiler Load Shift and Theory Reasearch on Fuzzy Online Optimization of Boiler Sootblow
    电站锅炉变负荷引起的水冷壁渣层热应力和吹灰在线模糊优化运行的基础理论研究
短句来源
    Theoretical and Experimental Researches on Fouling Monitoring of Heat Transfer Surface and Sootblowing Optimization in Utility Boiler
    电站锅炉受热面污染监测及优化吹灰的理论与实验研究
短句来源
    Research on Flame Safety Monitoring and Combustion Diagnosis Methods for Coal Fired Utility Boiler
    电站锅炉煤粉火焰安全监测及燃烧诊断方法研究
短句来源
    Research on Optimization Operation of Boiler Combustion System in Power Station and Its Application
    电站锅炉燃烧系统优化运行与应用研究
短句来源
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      boiler
    Study on the NOx release rule along the boiler during pulverized coal combustion
          
    Numerical simulation and experimental study on NOx release along the boiler during pulverized coal combustion have been conducted.
          
    Application of digital holography to circle flow bed boiler measurement
          
    The spatial distribution of particles in the boiler is very important in the study on the circle flow bed boiler (CFB).
          
    Digital in-line holography technique was applied to obtain the spatial and diameter distribution of the particles inside the boiler.
          
    更多          


    This paper consists of two parts:In the first part,the author makes a thorough study and analysis of the present-day scientific and technical level of boiler industry in the world,in the second part,the author proposes and discusses a number of principal scientific and technical problems which need studying in furthering the development of power boilers in China.

    本文内容主要分两部分:第一部分,作者对世界动力锅炉工业现阶段达到的科学技术水平进行了综合分析。第二部分,作者结合国内锅炉工业发展现况,对我国动力锅炉今后发展中应研究的主要科学技术问题提出了一些意见。

    The method of turbine regulation has to be considered in the design of steam boiler reheater.From the point of economy,it may not be necessory to control the reheat steam temperature,but for the sake of sabety,it has to be controlled within limits. The variation of reheat steam temperature,at different boiler load,is con- cerned with the percentage of direct radiating heat,absorbed by the reheater from the furnace. The reheat steam temperature changes sensibly by the voriation of flame position in...

    The method of turbine regulation has to be considered in the design of steam boiler reheater.From the point of economy,it may not be necessory to control the reheat steam temperature,but for the sake of sabety,it has to be controlled within limits. The variation of reheat steam temperature,at different boiler load,is con- cerned with the percentage of direct radiating heat,absorbed by the reheater from the furnace. The reheat steam temperature changes sensibly by the voriation of flame position in furnce,so it is good for conditional regulation.Gas recirculation is the most popular method for reheat control,the omount of recirculing gas is concerned with the location of the reheater in the gas passages.However,the flue gas heat loss of the boiler set will be increased when the gas recirculation is opplied.For reheat control,the method of steam by-pass will not affect the high pressure steam temperature,but the omount of high alloy steel for the ma- nufacture of reheater is much more increased.When using gas damper for regu- lation,if a part of the primary superheater heating surface is placed in poralld with the reheater,the reheat control will increase the difficulty for the control of primary steam temperature. In practice,each control method requires certain feasible condition for its opplication ond also has limit of temperature controlling range.

    中间过热器的设计与汽轮机的调节方法有关。从经济方面看来,对二次汽温不一定要进行调节;但从工作安全方面来看,这种调节是必要的。在不同负荷下,二次汽温的变化同中间过热吸收炉膛辐射热的百分量有关。用喷燃器倾角调节时,二次汽温的变动最灵敏,因而适于作动态调节。烟气再循环是最常用的调节方法,所需再循环烟量同中间过热器所处的烟温地带有关。烟气再循环会增大锅炉机组的排烟热损失。蒸汽旁路的调节方法不影响一次汽温,但中间过热器所需金属用量增多。当用烟气挡板调节时,如一次和二次过热器并例工作,则二次汽温的调节将增大一次汽温调节的困难。实际上每种调节方法均有一定的适用条件和调节幅度的限制。

    Through calculation of concrete boiler design, the paper discusses: the influences of gas recirculation to the heat transfer of different heating surfaces; the suitable arrangement of steam reheater; the amount of recirculating gas needed for controlling the reheat temperature; and the influence of gas recirculation to the economy of boiler plant. The paper also gives a brief review of the peculiarities of different reheat temperature controlling methods.

    本文通过了具体鍋爐机组的热力計算与分析,說明烟气再循环对各个受热面传热的影响,中間过热器的合理布置,为維持二次汽溫所必需的再循环烟量,以及烟气再循环对鍋爐經济性的影响,还簡要論述二次汽溫各种調节方式的一些基本特点。

     
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