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reheat
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  再热
    An Experimental Investigation on Thermal Stresses of the Intermediate Pressure Cylinder of a Type TK-120 Reheat Unit during Start-Up Shut-Down and Varying loads Process
    TK-120型中间再热机组起停及负荷变动时中压缸热应力试验研究
短句来源
    A Study of Comprehensive Optimization for Regenerative Reheat Units Power System Parameters
    回热再热汽轮机热力系统参数综合优化研究
短句来源
    Analysis on Dynamic Error of Heat Rate for Reheat Steam Turbine in On-Line Performance Monitoring
    中间再热式汽轮机热耗率在线监测中的动态误差分析
短句来源
    The Development, Simplification and Passibility for Abolishment of the Start-up Bypass System in 300MW Reheat Boiler for Natural or Controlled Circulation
    300MW中间再热自然或控制循环锅炉启动旁路系统的发展、简化与取消的可能性
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    A 350MW Condensing Reheat Steam Turbine
    350MW中间再热凝汽式汽轮机
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  中间再热
    An Experimental Investigation on Thermal Stresses of the Intermediate Pressure Cylinder of a Type TK-120 Reheat Unit during Start-Up Shut-Down and Varying loads Process
    TK-120型中间再热机组起停及负荷变动时中压缸热应力试验研究
短句来源
    Analysis on Dynamic Error of Heat Rate for Reheat Steam Turbine in On-Line Performance Monitoring
    中间再热式汽轮机热耗率在线监测中的动态误差分析
短句来源
    The Development, Simplification and Passibility for Abolishment of the Start-up Bypass System in 300MW Reheat Boiler for Natural or Controlled Circulation
    300MW中间再热自然或控制循环锅炉启动旁路系统的发展、简化与取消的可能性
短句来源
    A 350MW Condensing Reheat Steam Turbine
    350MW中间再热凝汽式汽轮机
短句来源
    Features and Operation for 135MW Superhigh Pressure Intermediate Reheat Condensing Turbine
    135MW超高压中间再热凝汽式汽轮机的特性及运行
短句来源
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  再热式
    Analysis on Dynamic Error of Heat Rate for Reheat Steam Turbine in On-Line Performance Monitoring
    中间再热式汽轮机热耗率在线监测中的动态误差分析
短句来源
    Research of Superheat Utilization in Industrial Extraction Steam to Large Reheat Turbine
    大型再热式汽轮机工业抽汽过热度利用研究
短句来源
    Improving on the Defining Method of Reheat Steam Turbine Ideal Cycle Thermal Efficiency
    中间再热式汽轮机理想循环热效率定义方法的改进
短句来源
    Discussion on intermediate pressure cylinder start-up for type of middle reheat high power steam turbine
    浅谈中间再热式大功率汽轮机中压缸启动
短句来源
    3. Analysis on dynamic error and research on real-time arithmetic models for reheat steam unit in on-line performance monitoring.
    3、中间再热式机组性能在线监测中的动态误差分析及实时算法模型研究。
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  “reheat”译为未确定词的双语例句
    Discussion about Fault Analysis and Solving Method of the Reheat Stop Valve of MHI 350 MW Turbine
    三菱350MW汽轮机组中压主汽门故障分析及处理方法探讨
短句来源
    Design and Development of 600MW Air-Cooled Condensing Reheat Steam Turbine
    600MW空冷汽轮机的设计开发
短句来源
    Including of one mediate reheat section machine,spin with the coupling of GEN model TBB-220-2E and supplied steam by boiler model En-670-13.8-545KT.
    直接带动与其装在同一基础型号为TBB—220—2E的交流发电机。 由型号En—670—13.8—545KT型的锅炉供汽。
短句来源
    The Methods of reheat steam temperoture control
    中间过热器的汽温性能和汽温调节
短句来源
    A Theory of Optimum Dynamic Programming in The Design of A Steam Turbine Feedwater Reheat System
    汽轮机给水回热系统设计的动态规划最优化原理
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  reheat
It was found that reheat cracking did not occur when the microhardness was below 350 DPH and the prior-austenite grain size was less than about 80 μm.
      
It was observed that the grain size and grain matrix microhardness that developed after the Gleeble cycles affected reheat cracking.
      
It was found that the prior-austenite grain size of the original base metal did not influence the reheat cracking susceptibility, but increases in peak temperature did.
      
All samples were metallurgically evaluated before and after the reheat cracking test.
      
The samples were then stressed in bending for different amounts and stress relieved under load to determine their reheat cracking susceptibility.
      
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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...

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。

In this paper the boiler DG 670/140 for 200 MW power units made in Dongfang Boiler Works is described. Two versions of boilers, oil fired or coal fired, are supplied. Oil fired boilers have been put into operation for five years already. The main operating performances have been found to fulfil the design requirements quite well. Tangential firing, dampers regulation of reheat steam temperature by dampers and membrane-walls are adopted in the coal fired boilers. Boilers of this type are designed to burn...

In this paper the boiler DG 670/140 for 200 MW power units made in Dongfang Boiler Works is described. Two versions of boilers, oil fired or coal fired, are supplied. Oil fired boilers have been put into operation for five years already. The main operating performances have been found to fulfil the design requirements quite well. Tangential firing, dampers regulation of reheat steam temperature by dampers and membrane-walls are adopted in the coal fired boilers. Boilers of this type are designed to burn a wide range of coals such as biluminous coal, lean coal, low-grade washed coal and common anthracite.

本文介绍东方锅炉厂制造的配20万千瓦发电机组的DG670/140型锅炉。其中有燃油锅炉和燃煤锅炉两种。油炉已投运五年,主要运行指标达到了设计要求。煤炉采用四角切向燃烧,烟气挡板调温,炉体全密封结构。锅炉设计充分考虑了煤种适应性,该型锅炉可适用于烟煤、贫煤、劣质洗煤和普通无烟煤。

 
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