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A Real-time Measurement Method of Solid Fuel Layer Thickness Based on Infrared Image

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

Active Publication Date: 2022-03-15
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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  • A Real-time Measurement Method of Solid Fuel Layer Thickness Based on Infrared Image
  • A Real-time Measurement Method of Solid Fuel Layer Thickness Based on Infrared Image
  • A Real-time Measurement Method of Solid Fuel Layer Thickness Based on Infrared Image

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Experimental program
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Embodiment 1

[0039] The structure schematic diagram of the test device for combustion in this implementation is as follows: figure 1 As shown, it includes a burning solid fuel 1 , an infrared camera 2 and a computer 3 , and the computer 3 can also be a computing device integrated with the camera and has image processing functions.

[0040] The application scenario in this embodiment is the measurement of the thickness of the garbage material layer in the garbage incinerator. A grate type domestic garbage incineration power plant with a daily processing capacity of 400 tons is used as a specific application scenario. For the burning domestic garbage, the infrared camera 2 takes pictures of the solid combustion in the furnace from the fire viewing port, and the computer 3 can access the pictures taken by the infrared camera 2 and perform calculations and processing on them.

[0041] figure 2 In order to capture the obtained infrared image, according to the histogram characteristics of the ...

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Abstract

The invention relates to the technical field of combustion measurement, and specifically discloses a method for measuring the thickness of a real-time solid fuel material layer based on an infrared image, comprising the following steps: (1) acquiring an infrared image of the solid fuel; (2) dividing the infrared image to obtain a binarized image ; (3) Identify the position of the burning fire line in the binarized image; (4) Calculate the thickness of the solid fuel material layer in real time according to the position of the fire line and the position of the bottom of the fuel as a reference position. The measurement method of the present invention is a non-contact method for measuring the thickness of the solid fuel material layer, which has no influence on the combustion process at all. At the same time, the present invention can also obtain the combustion situation of the high-temperature object in real time, and use the high-temperature object and its flame to generate infrared radiation The characteristics, more accurate measurement of the thickness of solid fuel, the method is more reliable in theory, and is of great significance to the application in the field of high temperature combustion.

Description

technical field [0001] The invention relates to the technical field of combustion measurement, in particular to a method for measuring the thickness of a real-time solid fuel material layer based on an infrared image. Background technique [0002] The stability of the solid fuel combustion process is difficult to control. At present, the state monitoring and diagnosis technology for solid fuel combustion mainly focuses on the flame temperature and the composition of each phase in the combustion process. Among them, by measuring the infrared energy radiated by the object and its emissivity, the temperature of the object can be determined within a specific range. And using an infrared thermal imager or an infrared camera, many temperature points can be measured in a relatively large range to produce a two-dimensional temperature image to form a thermal imaging map, which can monitor the combustion situation in a large area. Therefore, infrared cameras are widely used in the f...

Claims

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Application Information

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Patent Type & Authority Patents(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