汽

The tube bundle is the main composition of condenser. Its reasonable arrangement and layout can determine the condenser vacuum degree, condensate supercooling and oxygen content.

管束是凝汽器的主要组成部件，管束的排列方式和布置是否合理，对凝汽器的真空度、凝结水的过冷度和含氧量均起着决定性作用。

With the established model, the optimization model of condenser is proposed to determine the best vacuum value of condenser and energy loss resulted by deviation of some main operation parameters, reduce the energy loss by optimize the controllable parameters.

在此基础上，建立发电功率与凝汽器真空的优化模型，确定热力系统各主要参数对汽轮机功率的影响以及凝汽器真空的运行应达值，以机组的最优运行为目标，优化可控参数，达到降低能耗的目的。

The influence of the seal water temperature of water ring vacuum bumps on the condenser pressure is analyzed quantitatively,and the relationship between the condenser pressure and the unit efficiency was identified with equivalent enthalpy drop method.

定量分析电厂水环式真空泵密封水温度对凝汽器压力的影响，并利用等效焓降法得到凝汽器压力与单元机组效率的关系，从而得到真空泵密封水温度和单元机组经济性的定量关系。

In this paper, the economy of turbine-driven feed pump and electric feed pump are compared using annual cost method.

通过年费用法比较了汽动给水泵和电动给水泵方案的经济性，对于建设2×1000MW超超临界空冷机组，汽动给水泵方案比电动给水泵方案的年费用低4592万元，热经济性更好；厂用电比电泵方案少90270kW，能增加电厂的供电量。

The main heat resistance of heat transfer process in condenser lies in steam side.

凝汽器传热过程的主要热阻产生在汽侧。

Valve steam stop, it should exclude condensate.

汽阀停汽后，也要排除凝结水。

At pump pumping process, the steam pipe for the pump set for Steam pump so as to provide a buffer zone.

在泵泵水过程中，集汽管为泵供汽从而为泵提供了缓冲区。

Associated with the steam corrosion of Hebei some certain power plant circulating water pump,after analyzed the main reasons of circulating water pump steam corrosion ,brought forwards the effective measures of this problem,to offer the basis of economic safe operation of the power plant.

结合河北某电厂循环水泵的汽蚀情况，在充分分析了循环水泵汽蚀的主要原因后，提出了解决问题的措施，为电厂的经济安全运行打下了良好的基础。

With the analysis on liquid cavitation, the use of throttle orifice is suggested to lower the pressure in steam~water piping of power plants so as to prevent liquid cavitation.

通过对液体汽蚀现象的分析，提出了采用节流孔板来降低发电厂汽水管道压力，从而防止流体产生汽蚀的方法。

Steam pipe line as one of the main facilities which is used in the steam line system of the thermal production ,the main reason for the decline of well head steam quality, the key factor of the decreasing energy efficiency .

输汽管道作为热采输汽系统的主要设备之一，是井口蒸汽干度降低的主要原因，也是降低能量利用率的重要因素。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。