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- Application of Hysteresis Switching in Adaptive Control of Coal-fired Power Plant Boiler Drum Level P. 内蒙古大学滞后切换自适应控制策略应用于电站锅炉汽包水位控制。
- In the superheat cycle, the saturated dry steam leaving the boiler drum is further heated before entering the turbine. 在过热的循环过程中,离开锅炉汽包的干饱和蒸汽在进入汽轮机前被进一步加热。
- Water full or shortage protection for boiler drum in power station is the most important protection item in boiler operation. 电站锅炉汽包满、缺水保护是锅炉运行中最重要的保护项目,既不能误动,也不能拒动。
- The paper briefs the development process of fatigue design calculation,indicates the key problems of safe operation and maintenance of boiler drum. 文章简述了疲劳设计计算发展过程,指出汽包安全运行维护的重点问题。
- Recursive least square method was used to adjust the parameters of the PID controller,which was applied in three-element control system of boiler drum level. 利用递推最小二乘法循环调整PID参数,并将该控制器应用于锅炉汽包水位三冲量控制系统。
- Consider first the boiler plant involved in the cycle. Feed-water is supplied to the boiler drum, where is boiled and converted into dry saturated steam. 首先考虑在循环中所涉及的锅炉部分。给水被供应给锅炉汽包,在那里给水被煮沸,并转化为干饱和蒸汽。
- A mathematic model for calculating the transient temperature field of boiler drum with inverse method is built and a calculation program is developed with FORTRAN. 本文建立了反推法求解汽包瞬态温度场的数学模型,利用FORTRAN语言编制了温度场计算程序。
- 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。
- It analyzes the inspection measure and patch weld technique on the welded seam defect,gave a good proposal for the repair on the welded seam and provide an experience for quality control of the welded seamthe boiler drum. 对锅炉汽包焊缝缺陷的检验措施及挖补工艺技术进行了分析和研究,为汽包焊缝缺陷的修复提出了良好方案,给锅炉汽包焊缝的质量控制提供了借鉴。
- A reform was conducted in view of the frequent internal disturbance and poor valve performance of the automatic water-level control system for No.4 boiler drum in Maoming Cogeneration Power Plant. 茂名热电厂4号炉汽包水位自动调节系统存在内扰动频繁、阀门特性差等问题,为此对其进行了改造。
- Boiler drums in power plants are mainly damaged by the low-cycle fatigue. 摘要低周疲劳损伤是电站锅炉汽包的主要失效形式。
- The model is very suit able for the realization of the on-line objects and can be used for the on-l ine monitor of the boiler drum life or the quick-cooling devices of boilers. 这个模型非常适合于在线问题的实现,可以应用于锅炉汽包寿命在线监测系统或锅炉快冷装置中。
- Full-range Control for the Boiler Drum Water Level 锅炉汽包水位全量程调节的实现
- Manufacture Technology of Boiler Drum Head 锅炉汽包封头的制造工艺
- A BOILER DRUM BREAK OF ACCIDENT ORIGIN DISCUSSION 一起锅炉鼓包事故成因的探讨
- A buffer in a drum used to temporarily store data. 磁鼓中用来暂时存放数据的一种缓冲区。
- BFW Dosing Package supplies oxygen scavenger to the Deaerator, corrosion control agent to the boiler feed water and scale control agent to the boiler drums. 锅炉给水加药系统包括除氧器中除氧剂的投加、锅炉给水中防蚀剂的投加以及锅炉汽包中阻垢剂的投加。
- The beats of the drum were steady and slow. 鼓声平稳而缓慢。
- His old woman really beat the drum last night. 他的老婆昨晚着实太吵大嚷了一场。
- She was scalded when the boiler exploded. 锅炉爆炸时她被烫伤了。