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   heat economics 在 电力工业 分类中 的翻译结果: 查询用时:0.2秒
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heat economics
相关语句
  热经济性
    The Index to Correctly Evaluate Heat Economics of Regenerative Water Heater
    评估回热加热器热经济性的正确指标
短句来源
    Based on the theory of equivalent enthalpy,the influence of cylinder relative efficiency changing on unit heat economics is discussed and the thermal economics analysis models of cylinder relative efficiency changing are put forward,converting the com-plex analysis on account of using conservative thermodynamic method. The easy and practical computing tools are provided for on-line energy-saving diagnosis of turbine.
    通过对蒸汽在汽轮机中的做功分析,讨论了汽轮机汽缸相对内效率变化对机组热经济性的影响,提出汽缸效率变化热经济性分析计算模型,改变了传统热力学方法分析带来的复杂性,为汽轮机在线节能诊断提供了简单实用的计算工具。
短句来源
    Analyzes influence of vacuum for heat economics and security in 12MW steam turbine unit, bring forward the technique measure of improvement coagulator vacuum, discuss the method to increase the level of vacuum in 12MW steam turbine unit.
    凝汽设备是凝汽式汽轮机装置的一个重要组成部分,其工作的好坏直接影响到整个装置的热经济性和运行安全可靠性。 根据银川热电厂一期工程2台12MW机组的运行状况和工作实践,对凝汽器真空系统存在的诸多问题进行了探讨,分析了真空对机组热经济性及安全性的影响,提出了改善凝汽器真空的技术措施及进一步提高机组真空水平的方法。
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Based on the theory of equivalent enthalpy,the influence of cylinder relative efficiency changing on unit heat economics is discussed and the thermal economics analysis models of cylinder relative efficiency changing are put forward,converting the com-plex analysis on account of using conservative thermodynamic method.The easy and practical computing tools are provided for on-line energy-saving diagnosis of turbine.

通过对蒸汽在汽轮机中的做功分析,讨论了汽轮机汽缸相对内效率变化对机组热经济性的影响,提出汽缸效率变化热经济性分析计算模型,改变了传统热力学方法分析带来的复杂性,为汽轮机在线节能诊断提供了简单实用的计算工具。

In power plant,it is customary to evaluate the heat economics of regenerative water heater by its terminals temperature difference,but for regenerative water heater cycle system of moderm large capacity high parameter set,in which the regenerative water heater with separate draw out steam cooler or inner superheat stage is installed,the terminals temperature difference may be negative, if analysing with the Second Law of Thermodynamics, wrong result may be achieved that the draw out steam is heated...

In power plant,it is customary to evaluate the heat economics of regenerative water heater by its terminals temperature difference,but for regenerative water heater cycle system of moderm large capacity high parameter set,in which the regenerative water heater with separate draw out steam cooler or inner superheat stage is installed,the terminals temperature difference may be negative, if analysing with the Second Law of Thermodynamics, wrong result may be achieved that the draw out steam is heated matter and the feed water is heating matter. Thus for that heater, the heat transfer coefficient and the efficiency degree are suggested as the index to evaluate the economics of regenerative water heater.

在火电厂中 ,工程技术人员习惯用加热器的端差来评价回热加热器的热经济性。现今在大容量高参数机组的再热回热循环系统中 ,当装有独立的抽汽蒸汽冷却器的加热器或加热器具有内置式过热段时 ,该加热器的端差可能会出现负值。用热力学第二定律分析加热器的负值端差 ,将得到抽汽是被加热介质而给水是加热介质的错误结论。为此 ,对装有独立抽汽蒸汽冷却器或具有内置式过热段的回热加热器 ,建议采用加热器的传热系数和加热器有效度作为其经济性的评价指标

Analyzes influence of vacuum for heat economics and security in 12MW steam turbine unit, bring forward the technique measure of improvement coagulator vacuum, discuss the method to increase the level of vacuum in 12MW steam turbine unit.

凝汽设备是凝汽式汽轮机装置的一个重要组成部分,其工作的好坏直接影响到整个装置的热经济性和运行安全可靠性。根据银川热电厂一期工程2台12MW机组的运行状况和工作实践,对凝汽器真空系统存在的诸多问题进行了探讨,分析了真空对机组热经济性及安全性的影响,提出了改善凝汽器真空的技术措施及进一步提高机组真空水平的方法。

 
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