Outer circling vacuum evaporator Study on feasibility of unilization of cooling water from steam turbine condenser 外循环列管式真空蒸发器蒸汽轮机凝汽器循环水再利用可行性分析
The exhaust steam of small steam turbine driving feed water pump is directly led to the condenser, therefore, the vacuum leakage of this turbine has significant impact on the tightness and vacuum status of the unit. 由于小汽轮机排汽直接进入凝汽器,因而小汽轮机真空泄漏对机组真空状况和严密性都具有较大的影响。
With the help of a direct simulation Monte Carlo method incorporating a super particle model and through a domain decomposition and mathematical modeling of a steam turbine condenser throat a three dimensional numerical simulation was conducted of the steam flow at the condenser throat of a specific structure. 应用具有超粒子模型的直接模拟蒙特卡罗方法,对汽轮机凝汽器喉部进行区域分解和数学建模,及对具有典型结构的凝汽器喉部蒸汽流动进行了三维数值模拟。
By the use of a numerical method calculated was the flow and heat transfer process on the condenser shell side of a 328 MW steam turbine condenser imported from Italy. An analysis is given of the rationality of the condenser design. 采用数值方法对大港电厂从意大利引进的328MW汽轮机凝汽器壳侧的流动与传热过程进行了计算,对该凝汽器的设计合理性进行了分析。
In this paper, countering the operating state of condenser for steam turbine, the factors which affected the norm vacuum of condenser is analyzed and the calculation method was reduced; 针对实际运行的凝汽器,分析了影响凝汽器真空应达值的因素,简化了计算方法;
This article compares the water-cooled process with air-cooled process for the condensation system of steam turbine. It describes the advantage of air-cooled condenser and its application features. 本文通过汽轮机凝汽系统采用水冷流程和空冷流程的对比,阐明了空冷凝汽器节水节能的优点及空冷凝汽系统的使用特点。
Flow Path Design of Large Steam Turbine with Air Condenser 大型空冷汽轮机通流设计
Three-dimensional Numerical Simulation of the Outlet Flow Field of the 300 MW Steam Turbine's Condenser Throat 300MW汽轮机凝汽器喉部出口流场的三维数值模拟
Discussion on the Decreasing Value of Exhaust Temperature of Steam Turbine with Multipressure Condenser 对多背压汽轮机平均排汽温度降低值的讨论
Analysing the cause of brass tube corrosion in steam turbine condenser 汽轮机凝汽器黄铜管腐蚀原因分析
Effection of Geometry Dimension on Aerodynamic Performance of Low Pressure Exhaust Hood for Large Capacity Steam Turbine with Air-Cooled Condenser 大型空冷汽轮机低压排汽缸几何尺寸对气动性能的影响
Colloid Ball Clean Technique of Steam Turbine Condenser 汽轮机凝结器的胶球清洗技术
The neural network models for steam turbine power output and power needed in cycle cooling water system are established for the reference values of vacuum value of condenser and have a high precision and reliability. 建立汽轮机发电功率和循环水系统功耗神经网络模型以确定不同工况下凝汽器真空运行最优值,实现对二者的模拟预测,有很高的精度和可靠性。
The vacuum of condenser has an important influence about economy and security of steam turbine, and it was affected by many factors which had biggish couple, so it is difficult to confirm the norm vacuum of condenser. 凝汽器真空对于汽轮机运行经济性和安全性均产生重大的影响,影响凝汽器真空的因素较多,并且相互之间具有较大的耦合性,这使得确定凝汽器真空应达值有一定困难。
Through a series of technical retrofit such as high and low pressure cylinder of steam turbine, condenser, boiler air pre-heater, low pressure economizer, pump and fan, the power consumption of main equipments and subsidiary motors was decreased obviously. 通过对汽轮机高低压缸通流部分、凝汽器、锅炉空气预热器密封、锅炉尾部加装低压省煤器、泵与风机等一系列技术改造后,主设备能耗和辅机电耗都有明显下降。
For the steam turbine system, transient processes in the deaerator closedheater and condenser are simulated, and the results are studied. 对于汽轮机系统,分别对除氧器、表面式加热器、凝汽器典型扰动下的瞬态过程进行了仿真,并对仿真结果进行了分析。
Through measuring steam turbine condenser cooling flow rate, the precision and mean values measured by ultrasonic flow meter and the method using heat balance are analyzed. 通过汽轮机凝汽器冷却水流量的测量,分析了采用超声波流量计与凝汽器热平衡方法测量冷却水流量的精确度及均值。
The Measuring Methods of Steam Turbine Condenser Cooling Flow Rate Their Compare 凝汽器冷却水流量测量方法分析及其比较
With the established ANN models of steam turbine power output and the power needed in circulating water system, the optimum vacuum value ( reference value) of condenser as well as the energy loss deviation of several main operation parameters from reference can be determined. 利用该模型和建立的循环水系统功耗神经网络模型可确定不同工况下的真空运行最优值(基准值),为凝汽器真空运行最优值的确定提供了一个全新的方法。
Scheme one: change the steam turbine run at low-vaccum to increase exhaust steam temperature of the turbine, so the cooling water can be heated to proper temperature for heating in condenser. 方案一为汽轮机低真空运行供热方案,降低凝汽器的真空度,提高汽轮机排汽温度,从而加热凝汽器中的冷却水达到可以直接供热的温度。
The mathematical models of absorption heat pump, steam turbine and condenser under variant working conditions are established, and a optimized calculation program of cold end system for heating system incorporating absorption heat pump is proposed. 建立了吸收式热泵、汽轮机和凝汽器的变工况数学模型,并提出了吸收式热泵供热系统的冷端参数优化求解程序。
The main parts of the system such as superheater, reheater, steam generator, preheater, turbine, condenser and feedwater heater, were analyzed on thermal performance, as well as the thermodynamics properties of fluids in them. 分别介绍了系统中的过热器、再热器、蒸汽发生器、预热器、汽轮机和回热加热器等重要部件,分析了各部件中流体的热力学性质,并对各部件进行了传热性能分析。
Exhaust hood is a device that transfer exhaust steam flow from final turbine stage into condenser which is under the low pressure exhaust hood. This device transforms the kinetic energy into pressure potential energy by diffuser. 排汽缸是实现汽轮机排汽汽流折转流入凝汽器的一个部件,采用扩压的形状,可以将排汽动能转化为压力势能。