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Method and device for monitoring fluctuation state of boiler

A boiler, state technology, applied in the direction of measuring devices, comprehensive factory control, instruments, etc., can solve problems such as difficulty in monitoring the operating state of boilers

Inactive Publication Date: 2019-07-12
XINAO SHUNENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In view of this, the present invention provides a monitoring method for boiler fluctuating state, to solve the problem in the prior art that it is difficult to monitor the operating state of the boiler

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  • Method and device for monitoring fluctuation state of boiler
  • Method and device for monitoring fluctuation state of boiler
  • Method and device for monitoring fluctuation state of boiler

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Embodiment Construction

[0032] In the following description, for the purpose of illustration rather than limitation, specific details such as monitoring methods and techniques for specific boiler fluctuation states are presented in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known methods of monitoring boiler surge conditions are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0033] In addition, in order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Apparently, the described embodiments are only a part of t...

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Abstract

The invention is applicable to the technical field of boiler monitoring, and provides a method and device for monitoring a fluctuation state of a boiler. The method comprises the following steps: obtaining a first amplitude average value according to the normal operation data of the boiler, obtaining a second amplitude average value according to the abnormal operation data of the boiler, and obtaining an abnormal fluctuation frequency domain amplitude confidence interval sigma according to the first amplitude average value and the second amplitude average value; and obtaining an average amplitude according to the monitored real-time operation data of the boiler, and judging the fluctuation state of the boiler according to the average amplitude, the first amplitude average value and the abnormal fluctuation frequency domain amplitude confidence interval sigma. The fluctuation state of the boiler is judged according to the average amplitude, the first amplitude average value and the abnormal fluctuation frequency domain amplitude confidence interval sigma, so that the normal fluctuation and the abnormal fluctuation of the operation of the boiler can be visually quantified in the frequency domain, and whether the operation of the boiler is in an abnormal fluctuation state can be quickly identified conveniently.

Description

technical field [0001] The invention belongs to the technical field of boiler detection, and in particular relates to a monitoring method and device for a boiler fluctuating state. Background technique [0002] The boiler is a kind of energy conversion equipment. The energy input to the boiler includes chemical energy and electric energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. It is now used in various industrial occasions. First of all, the existing medium and small boilers generally do not have effective remote monitoring, and can only rely on manual inspections, and cannot timely understand the operating status of the boilers. The combustion and stop of the boiler are generally controlled by the pressure switch. Since the pressure switch is generally a mechanical switch, after long-term use, intermittent insensitivity will appear, which will cause the steam pressure in the boiler to be...

Claims

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Application Information

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IPC IPC(8): G01D21/02G05B19/418G05B19/43
CPCG01D21/02G05B19/418G05B19/43Y02P90/02
Inventor 赵蕾杜雅慧
Owner XINAO SHUNENG TECH CO LTD
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