A severe phenomenon of false water level exists in boiler drum under varying operating conditions.
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 monitoring method for boiler drum water level and its features and application are introduced in the paper.
介绍了锅炉汽包的水位监测方法、系统的特点和应用情况。
With the increasing of unit capacity, higher requirements were proposed to control the circulation boiler drum level.
随着机组容量的增大，对亚临界锅炉汽包水位控制提出了更高的要求。
According to optimal curve to start-up, boiler drum not only reduces fatigue damage, but also cut down the start-up time.
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。
Boiler is an equipment of produce steam, to keep the water level of the boiler drum within a certain range is very important.
锅炉是生产蒸汽的设备，保持锅炉汽包内的水位在一定范围内是非常重要的。
The coal washing plant steam boiler drum diameter is larger than other boiler manufacturers, stable output, high quality steam.
水洗厂燃煤蒸汽锅炉锅筒直径比其他锅炉厂家大，运行稳定出力足，蒸汽品质高。
The present invention relates to computer application technology, and is especially method of identifying boiler drum level model.
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。
This paper describes the operational principle for 35T/h boiler drum level detection and control, and the circuit which is based on 8098 scp.
本文介绍了一台以8098单片机为核心的锅炉水位控制仪的检测、控制原理以及控制仪电路和操作情况。
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.
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。
By means of computer, data collection and transition, the system can monitor temperature, pressure and life of boiler drum in total work process.
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。
The processing capacity of the holes in pipe is about 40% of the processing capacity of the boiler drum and collecting header in boiler fabrication.
工业锅炉制造中管孔加工量约占锅筒集箱工作量的40%，操作者失误即可能造成该锅筒报废。
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。
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。
The model is very suit able for the realization of the on-line objects and can be used for the on-line 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。
Water level of boiler drum in power station is one of the main control parameters for turbine-generator unit, which reflects the balance of boiler load and feed-water indirectly.
电站锅炉汽包水位间接地反映了锅炉负荷与给水平衡的关系。是电站发电机组运行的主要控制参数之一。
Described is a method of superheated steam regulation for the heat recovery boiler of a gas steam combined cycle power plant, the so called boiler drum saturated steam attemperation.
介绍了燃气—蒸汽联合循环电站余热锅炉过热蒸汽调温的一种方法—自身饱和蒸汽减温。
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.
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 article USES the microscopic analysis method, Carries on the thorough discussion to a boiler drum break of accident cause factor, Seeks its origin, Proposes solution, For boiler safe operation?
本文采用微观分析方法对一起锅炉鼓包事故原因进行深入的探讨。
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.
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。
Drum level sensor is very important equipment in the system of boiler, but there are many deficiencies in its reliability examining.
水位传感器是锅炉系统中一个非常重要的部件，但对其可靠性的检测存在很多不足。
Main features of this boiler are reheat, natural circulation, single furnace drum boiler fired coal.
其基本特性为中间再热、自然循环、单炉膛、燃煤锅筒锅炉。
The paper gives a detailed introduction to the typical structure and manufacturing method of drum, waterwall, burner and waterwall header of the 300mw double arch furnace boiler produced by DBC.
文章以DBC制造的300MW“W”形火焰锅炉为例，详细地介绍了锅筒、水冷壁、燃烧器和水冷壁集箱的典型结构和制造方法。
Drum is an important part of the boiler proper.
汽包是锅炉本体的重要部分。
According to the characteristics of feedwater process of the drum boiler, an adaptive PID controller with process identification was introduced.
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。
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 paper introduces one kind of drum type boiler dynamic model structure, which considering the system nonlinearity.
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。
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.
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 control difficulty points of drum water level, three parameters system structure of boiler water level system, control strategy choosing and control algorithm of HSIC were studied.
研究了汽包液位控制的难点、锅炉水位三冲量系统结构、控制策略选取及HSIC控制算法。
The control difficulty points of drum water level, three parameters system structure of boiler water level system, control strategy choosing and control algorithm of HSIC were studied.
研究了汽包液位控制的难点、锅炉水位三冲量系统结构、控制策略选取及HSIC控制算法。
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