国内外锅炉制造厂汽包锅炉配套市场。
探讨了一种充分考虑系统非线性特性的汽包锅炉动态模型。
This paper introduces one kind of drum type boiler dynamic model structure, which considering the system nonlinearity.
大港发电厂技改工程安装两台强制循环汽包锅炉，机组启动前进行了化学清洗。
Two controlled circulation boilers were installed in Dagang Power Plant technique updating engineering. Chemical cleaning was achieved before start of the boiler unit.
针对汽包锅炉给水过程的特点，采用了一种带在线辨识的自适应p ID控制器。
According to the characteristics of feedwater process of the drum boiler, an adaptive PID controller with process identification was introduced.
亚临界压力的汽包锅炉在启动调试时应进行水位标定试验，以确定就地水位表的基准零位。
Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.
在所建模型的基础上对原有电站锅炉汽包应力监测系统的测点布置做出了相应的调整。
According to the new stress model, the measuring point distribution of the existing boiler life monitoring systems was modified.
文章主要讨论了锅炉汽包水位高低保护系统逻辑判断回路的自动切换。
The paper mainly discusses the automatic switching of the logic estimation circuit of the drum boiler's water level protection system.
本文对锅炉启停工况中的汽包温度差所产生的热应力的原因及其不利影响进行分析，并提出控制的办法。
This article analyses the reason and unfavourable influence of thermal stress resulted from the drum temperature difference during starting or shutting boiler, and proposes the counter-measure.
本文介绍了用单回路数字调节器实现锅炉汽包水位控制的方案及系统的组成方法。
This paper introduces a control scheme with single loop digital regulator for the boiler drum level control and describes the composition of the system.
本文着重探讨当给水调节伐门开度变化时，伐门特性以及管路传输迟延对锅炉汽包水位动态特性的影响。
This paper focuses on effects of the valve characteristics and the transfer pipe delay on dynamic performance for boiler drum level, under varying valve opening of the feed water control valve.
介绍了锅炉汽包的水位监测方法、系统的特点和应用情况。
A monitoring method for boiler drum water level and its features and application are introduced in the paper.
利用递推最小二乘法循环调整P ID参数，并将该控制器应用于锅炉汽包水位三冲量控制系统。
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.
一种计算机应用技术领域的锅炉汽包水位模型辨识的方法。
The present invention relates to computer application technology, and is especially method of identifying boiler drum level model.
文章介绍了一种已实际应用的电厂锅炉汽包水位三冲量串级控制方法。
This thesis explains a kind of three-element value cascade control method which is applied in the power plant to control the water level in the steam boiler.
首先介绍了火电厂热工锅炉汽包水位控制系统以及现阶段普遍采取的报警和故障检测方法。
At first, boiler water level control system and the mean of alarm and fault detection adopted universally are introduced.
同时还研究了变幅低周疲劳下缺口试件和锅炉汽包的损伤，并考虑了平均应力的影响。
Besides, the fatigue damage for both the boiler steam drum and the notch specimen under varied amplitude low cycles is investigated with the effect of average stress taken into account.
该系统利用计算机、智能化数据采集和通信转换对锅炉汽包运行全过程实行温度、压力和寿命的管理。
By means of computer, data collection and transition, the system can monitor temperature, pressure and life of boiler drum in total work process.
由于大容量电站锅炉汽包的壁较厚，所以在汽包筒节制造时常采用压制成两个半圆瓦片再焊接而成的方法。
Because of the much thick wall of large capacity boiler drum, the pressed and weld longitudinal seam is used to manufacture the drum shell ring.
按优化曲线启动，不仅保证汽包寿命损耗小，而且能大量缩短锅炉启动时间。
According to optimal curve to start-up, boiler drum not only reduces fatigue damage, but also cut down the start-up time.
锅炉控制系统可以分为汽包水位控制系统、蒸汽压力控制系统、炉膛负压控制系统和燃烧经济控制系统。
Boiler control system is composed of drum water level control system, stem pressure control system, hearth negative pressure control system and combustion economical control system.
根据锅炉启动过程中各个部件管内工质、管外烟气及汽包所遵循的流动传热方程，开发了控制循环与自然循环锅炉启动过程模拟程序。
A computer program is developed to simulate the start-up behavior of controlled-circulation and natural-circulation boilers on the basis of mass, momentum, and energy equations.
提出了将换热介质由锅炉给水更换为锅炉汽包循环水的改造方案。
The reformation project to replace the boiler heat-transfer medium from the boiler water to the steam in circulating water was proposed.
介绍了几种常见的离散数据滤波算法，分析了在电厂热工锅炉汽包水位中滤波测点数据的特性以及其对滤波算法的内在影响，在此基础上得出一种新的变加权离散滤波算法。
A few and familiar methods of filtering are introduced. And the inside influence of the filtering methods which are infected by characteristic of the data in Boiler Water Level is analyzed.
本文在对我省锅炉汽包运行时间和用材的调查基础上，提出了对长期运行的汽包进行疲劳寿命评价的必要性，并根据有关规范给出了疲劳寿命计算的步骤。
Based on the study of plant drums in our province, this paper presents the necessity of fatigue life assessment of them, and the process for predicting fatigue life has also been given.
锅炉汽包在变工况运行时往往产生严重的“虚假水位”现象。
A severe phenomenon of false water level exists in boiler drum under varying operating conditions.
因此，维持锅炉汽包水位在给定范围内是保护锅炉安全运行的必要条件，也是锅炉正常运行的主要指标之一。
Therefore, the maintenance of the boiler water level in a given range is the protection necessary for safe operation of boilers, boiler properly one of the key indicators of.
模型中各系数与运行工况有关，可根据当前的汽包压力、锅炉物理结构数据及水蒸汽性质得到。
The parameters of the model can be obtained from the pressure in the drum, the physical dimensions and characteristics of the boiler and the steam and water parameters table.
汽包是锅炉本体的重要部分。
汽包是锅炉本体的重要部分。
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