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- Steam drum water levd 汽包水位
- Application of EJA Smart Differ-pressure Transmitter in Measuring Steam Drum Water Level of Boiler EJA智能差压变送器在汽包水位测量中的应用
- Discussion on cascade stage three-impulisive adjustment of the boiler's steam drum water level in the power station 论电站锅炉汽包水位的串级三冲量调节
- Keywords PLC HMI steam drum water level three-impulse control frequency control; 汽包水位;三冲量控制;变频调速;
- steam drum water level 汽包水位
- Boiler steam drum water level 锅炉汽包水位
- Steam drum water lever 汽包水位
- In this article, the causes of the fluctuation of the water level of steam drum and its adjustment were analyzed. 摘要分析汽包水位波动的原因后，提出了几种对汽包水位进行合理调节的技术方法。
- Part of the wall in the cold water is heated in boiling water into steam after vaporization, the saturated steam from the steam drum into the upper part of the outflow in the superheater. 部分水在冷壁中被加热沸腾后汽化成水蒸汽，这些饱和蒸汽由汽包上部流出进入过热器中。
- NCPG - North China Power Group WORK PERFORMED: Condition and life assessment of a steam drum and high temperature tubes and header, Beijing, CHINA. NCPG-华北电力集团所做工作:在中国河北北京,进行对汽包鼓以及高温管道、联箱集管的状态状况及寿命评估。
- Key words: S7-400PLC local station,ET200 remote I/O station,the computer control system of coke oven gas power plant, the steam drum liquid level adjust control. 关键词：S7-400PLC本地站ET200远程I/O站焦炉煤气电站计算机控制系统汽包液位调节控制。
- water level of boiler steam drum 汽包水位
- The error measuring drum water level with ordinary differential pressure gauges, which mainly relies on reference water column s correctness, is big and uncertain. 普通差压水位计测量汽包水位主要问题在于参比水柱的不确定性,它是影响汽包水位测量误差的主要因素。
- Water Level of Boiler's Steam Drum 锅炉汽包水位
- The superheated steam temperature is the maximum temperature in steam drum boiler of thermal power plant, it has the significant influence regarding the power plant security economy movement. 摘要火电厂汽包锅炉出口的过热蒸汽温度是整个汽水行程中工质的最高温度，对于电厂的安全经济运行有着重大影响。
- In processing the inner-hole cercumferencial slots on the heat-exchanger on the tube-plate (steam drum), we often adopt the mechanical inner-hole slotting tools (spiral &eccentric structure). 在换热器或锅炉的管板(锅筒)内孔环向槽的加工中，目前我国普遍采用机械式内孔切槽工具加工(结构为螺旋偏心式)。
- Computer simulation research of the boiler drum water system was realized by using MATLAB on two different control methods: General PID controller and Expert PID controller. The computer simulation result shows the characters of Expert PID controller. 利用该数学模型,对锅炉给水系统单冲量控制系统,分别采用常规PID和专家PID两种控制器,用MATLAB进行了仿真研究,说明专家PID控制器比常规PID控制器减小了被控对象的超调量,缩短了控制时间,响应曲线特性更为理想,同时也指出了专家PID控制器的不足。
- Waterwall pipes both ends of the up and down through the box connectivity with the drum, the drum water constantly circulating through the water wall, absorbing love of coal combustion heat release. 水冷壁水管的上下两端均通过联箱与汽包连通，汽包内的水经由水冷壁不断循环，吸收着煤爱燃烧过程中放出的热量。
- Abstract: Cascade three-element feedwater control system is adapted to regulate the drum water level.Genetic algorithm （GA） is introduced to tune the system in order to obtain the optimal parameters. 摘要:以汽包水位为被控对象,采用串级三冲量给水控制系统,运用遗传算法对系统进行参数整定并获得了最佳控制参数。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
