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公开(公告)号：EP0108586A1
公开(公告)日：1984-05-16
申请号：EP83306625.1
申请日：1983-10-31
CPC分类号： F23N5/003 , F23N1/022 , F23N2025/10 , F23N2025/22 , F23N2025/24 , F23N2031/20
摘要： A method of minimising combustion operation losses includes measuring (40) a load index for the combustion operation which is proportional to the fuel demand or the output thereof, measuring an amount proportional to the air heating losses of the combustion operation and measuring an amount which is proportional to the fuel loss of the operation. The air heating loss is measured by multiplying (34) a flue temperature (30) by an amount of unburned oxygen in the flue gas. This quantity is multiplied (42,44) by a cost factor for such air heating and the load index. The fuel loss is obtained by measuring (46, 48, 50) an amount of by-product in the flue gas as well as the opacity of the flue gas. These are multiplied (56, 58, 60) by appropriate cost factors which in the case of opacity is proportional to a fine that would be due for violating certain limits for the opacity. Minimum values are found for the fuel loss and air heating loss quantities, as air demand to the combustion operation is changed. A minimum for the sum of the fuel and air heating losses is also obtained with the air demand of the combustion operation being set so that all of the losses are as low as possible. In this way the costs of undesired air heating. unburned by-products as well as potential violation of flue gas characteristic limits are utilised in determining the most economical air demand for the combustion operation.
摘要翻译： 一种使燃烧操作损失最小化的方法包括测量（40）与燃料需求或其输出成比例的燃烧操作的负荷指数，测量与燃烧操作的空气加热损失成比例的量，并测量 与操作的燃料损失成比例。 通过将烟道温度（30）乘以烟道气中未燃烧氧的量来测量空气加热损失。 该数量乘以（42,44）这样的空气加热和负荷指数的成本因子。 燃料损失是通过测量（46,48,50）一定量的烟气中的副产物以及烟道气的不透明度来获得的。 这些乘以（56,58,60）适当的成本因素，在不透明度的情况下与违反某些不透明度限制的罚款成正比。 当燃烧操作的空气需求改变时，燃料损失和空气加热损失量的最小值被找到。 在燃烧运行的空气需求设定为使得所有的损失尽可能低的情况下，也可获得燃料和空气加热损失之和的最小值。 以这种方式，在确定用于燃烧操作的最经济的空气需求时，利用不期望的空气加热，未燃烧的副产物的成本以及可能违反烟气特性极限的成本。
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公开(公告)号：EP0108586B1
公开(公告)日：1988-06-01
申请号：EP83306625.1
申请日：1983-10-31
CPC分类号： F23N5/003 , F23N1/022 , F23N2025/10 , F23N2025/22 , F23N2025/24 , F23N2031/20
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公开(公告)号：EP0163441A2
公开(公告)日：1985-12-04
申请号：EP85303253.0
申请日：1985-05-08
CPC分类号： F22G5/12
摘要： In a system for increasing the main stream temperature in a boiler/turbine installation to the maximum level consistent with safe operation of the installation, the difference between a signal representative of the main steam temperature and a system parameter is determined (68) and used (70) as an index to adjust the main steam temperature set point upward or downward. The system parameter selected for comparison with the signal representative of the main steam temperature may be the allowable variance between the main steam temperature and the main steam temperature set point or may be a "safety margin" temperature selected so as to be below the maximum allowable temperature for the installation.
摘要翻译： 在用于将锅炉/涡轮机安装中的主流温度提高至与安装的安全操作一致的最大水平的系统中，确定表示主蒸汽温度的信号与系统参数之间的差异（68）并使用（ 70）作为主蒸汽温度设定点向上或向下调整的指标。 选择用于与表示主蒸汽温度的信号进行比较的系统参数可以是主蒸汽温度和主蒸汽温度设定点之间的允许差异，或者可以是选择的“安全裕度”温度，使其低于最大允许温度 安装温度。
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公开(公告)号：EP0163441A3
公开(公告)日：1986-07-30
申请号：EP85303253
申请日：1985-05-08
CPC分类号： F22G5/12
摘要： In a system for increasing the main stream temperature in a boiler/turbine installation to the maximum level consistent with safe operation of the installation, the difference between a signal representative of the main steam temperature and a system parameter is determined (68) and used (70) as an index to adjust the main steam temperature set point upward or downward. The system parameter selected for comparison with the signal representative of the main steam temperature may be the allowable variance between the main steam temperature and the main steam temperature set point or may be a "safety margin" temperature selected so as to be below the maximum allowable temperature for the installation.
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公开(公告)号：EP0087974A3
公开(公告)日：1985-02-20
申请号：EP83301084
申请日：1983-03-01
发明人： Kaya, Azmi , Lukas, Michael P.
IPC分类号： G05B13/04
CPC分类号： G05B13/044
摘要： An adaptive control arrangement (8) for a process (10) utilises a process parameter calculator (14) made up of simple function blocks which generates a plurality of process parameters (P), and a tuning parameter calculator (16), also made up of simple function blocks, for calculating tuning parameters (m) for a controller (12) for the process (10) from the process parameters (P). The process parameter calculator (16) is provided with values for various disturbances (d), a set point (c), a control output (u) from the process controller (12) and process structure data including process sensitivity and nominal operating data. From these values, the process parameters (P) are determined. The tuning parameter calculator (16) is provided, in addition to the process parameters (P), with performance parameters and design function data for generating the tuning parameters (m) that are applied to the controller (12) for modifying the control output (u) in response thereto.
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