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Method for monitoring state of boiler system equipment

A system state and system equipment technology, applied in the field of boilers, can solve problems such as system state gain

Active Publication Date: 2014-12-24
XIAMEN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Moreover, even among the system components that have a one-to-one mapping with the system state, some devices will inhibit the system state, and some will have a positive effect on the system state

Method used

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  • Method for monitoring state of boiler system equipment
  • Method for monitoring state of boiler system equipment
  • Method for monitoring state of boiler system equipment

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Embodiment Construction

[0040] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0041]A boiler system equipment condition monitoring method, reference figure 1 shown, including the following steps:

[0042] Step 1: Each boiler system is represented by n system state variables, and the different states of each boiler system are represented according to the different value combinations of the n system state variables. In this paper, K=k=1, so the boiler system Including m devices, N i Indicates the number of working status types of the i-th device, and Then it represents the working state of the i-th equipment at the t-th moment, where i=1, 2, 3...m, and the set of boiler system state variables is determined as H, where the i-th system state variable is represented by H i express. As a specific embodiment, in order to simplify the calculation process, the present invention takes two key system state variables, steam temperatu...

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Abstract

The invention relates to the technical field of boilers, in particular to a method for monitoring the state of boiler system equipment. The method for monitoring the equipment state change probability based on changes of system states at different moments is provided, the system states in the boiler equipment are monitored, work states of all important devices in a boiler are judged according to the system states, therefore, the fault position is effectively located, all system condition changes are analyzed, and the probability of all equipment states is predicted. Through the method, a decision maker can locate a fault more timely, and full preparation can be made for the possible fault.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a method for monitoring the status of boiler system equipment. Background technique [0002] Thermal power generation is the main power generation method in my country. As one of the three major main equipments of thermal power plants, power plant boilers develop along with the development of my country's thermal power industry. The "2013-2017 China Boiler Manufacturing Industry Production and Sales Demand Forecast and Transformation and Upgrading Analysis Report" shows that by the end of 2010, thermal power units with a unit capacity of 300,000 kilowatts and above accounted for more than 60% of the total thermal power unit capacity. [0003] Boiler equipment is a kind of pressurized equipment, which is often operated under high pressure, and is eroded by harmful impurities in flue gas and furnace water and worn by fly ash. Therefore, it is necessary to maintain the boiler system...

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 赵旭缪惠芳吴一纯谢珊郑剑香陈少敏
Owner XIAMEN UNIV