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Infrared image-based real-time solid fuel bed thickness measurement method

An infrared image and solid fuel technology, applied in image enhancement, image analysis, image data processing, etc., to achieve accurate measurement and reliable methods

Active Publication Date: 2021-08-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is currently no method that can measure the thickness of solid fuel in real time using infrared images

Method used

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  • Infrared image-based real-time solid fuel bed thickness measurement method
  • Infrared image-based real-time solid fuel bed thickness measurement method
  • Infrared image-based real-time solid fuel bed thickness measurement method

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Experimental program
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Embodiment 1

[0039] The structure of the test device of the combustion in this implementation is shown. Figure 1 As shown, including the combustible solid fuel 1, the infrared camera 2, and the computer 3, computer 3 can also be a computing device having image processing functions with the camera.

[0040] The application scenario in this embodiment is the measurement of the thickness of the garbage material layer in the waste incinerator, and the fuel-based domestic waste incineration power plant with a day treatment amount is 400 tons, as a specific application scenario, the burning solid fuel 1 is in the furnace Domestic garbage is being burned, the infrared camera 2 is taken from the viewing flame in the furnace, and the computer 3 can access the picture taken in the infrared camera 2 and calculate the calculation process.

[0041] figure 2 For the infrared image obtained, according to the histogram characteristics of the infrared image, the plot single peak distribution is much, and the ...

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Abstract

The invention relates to the technical field of combustion measurement, and particularly discloses an infrared image-based real-time solid fuel bed thickness measurement method, which comprises the following steps of: (1) acquiring a solid fuel infrared image; (2) segmenting the infrared image to obtain a binary image; (3) identifying the position of a combustion live wire in the binary image; and (4) calculating the thickness of the solid fuel bed in real time by taking the fuel bottom position as a reference position according to the live wire position. The measuring method is a non-contact type solid fuel material layer thickness measuring method, the combustion process is not affected completely, meanwhile, the combustion condition of a high-temperature object can be obtained in real time, the thickness of the solid fuel can be measured more accurately by means of the characteristic that the high-temperature object and flames of the high-temperature object can generate infrared radiation, the method is more reliable in theory and has important significance in application in the field of high-temperature combustion.

Description

Technical field [0001] The present invention relates to the field of combustion measurement, and more particularly to a measurement method of real-time solid fuel material layer based on infrared image. Background technique [0002] The stability of solid fuel combustion is difficult to control. At present, the state monitoring and diagnostic techniques of solid fuel combustion are concentrated in the flame temperature and each phase substance in the combustion process. Among them, the temperature of the object can be measured in a particular range by measuring the infrared energy and its emissivity of the object radiation. And using an infrared thermal imaging or an infrared camera, a number of temperature points can be measured over a relatively large range to produce a two-dimensional temperature image, constitute a thermal imaging diagram, and a large area can be monitored. Therefore, the application of the infrared camera is used in the field of combustion diagnosis. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T7/136G06T7/62G06T5/00
CPCG06T7/0002G06T7/136G06T7/62G06T2207/10048G06T2207/20021G06T5/70
Inventor 杨双华周辰琛曹毅
Owner ZHEJIANG UNIV