First of all , we set up the better feedwater pump performance monitoring mathematics model in the shi heng plant of shandong province , and developing this model calculating software 首先结合山东省石横电厂的实际情况，建立了较为完整的给水泵性能监测数学模型，开发了相应的在线计算应用软件。
This article introduces the cause and analyses the accident of the rotor , holding in death of the boiler feedwater pump , summing - up the way and technique measure in the process of repairing 摘要介绍了大型氨厂锅炉给水泵转子抱死事故的原因，对其进行分析，并对修复过程中采取的方法及技术措施进行了总结。
We also draw the feedwater pump performance curve by these design parameters , doing the practical tracking record by real time measuring data . therefore , we have the satisfying operating condition by the feedwater pump 根据给水泵的设计参数绘制了给水泵的性能曲线，并根据现场的实测数据对现场实际运行工况点进行实时跟踪记录，实时地反映了给水泵的实际运行工况点。
Both units ( 2x300mw ) of one power plant in india , designed and constructed by china , employ feedwater system composed of three 50 % capacity motor driven feedwater pumps , one low load feedwater control valve and one main motor - operated - valve 由我国承建的印度某电厂两台300mw发电机组,其给水系统设三台电动调速给水泵、一个低负荷给水调节阀(用于低负荷水位控制)和一个电动主闸阀。
The smaller the the difference of the temperature of feedwater and backwater is , the more evenly and slowly the temperature distribution is . the smaller the thickness of overburden layer and the distance of two tubes are , the more evenly and slowly the temperature distribution is 在供回水温度和覆盖层厚度均不变的条件下，排管间距越小，其温度分布越为平缓，地板表面的温度分布也越为均匀，地板表面平均温度也越高。
