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Activated carbon high-temperature detection and graded alarm method

A graded alarm and activated carbon technology, which is applied to the detection of high-temperature activated carbon particles in activated carbon flue gas purification devices, the field of activated carbon high-temperature detection and graded alarms, can solve the problems of unsolved high-temperature activated carbon detection and positioning, and achieve the elimination of observation obstacles and improve Accuracy, the effect of optimizing the imaging environment

Pending Publication Date: 2021-06-25
HUNAN ZHONGYE CHANGTIAN ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

like figure 1 As shown, the sintered activated carbon flue gas purification device circulates between the desorption tower and the adsorption tower. The desorption tower, adsorption tower, conveyor, vibrating screen, buffer bin and other links are all airtight structures. The existing sintered activated carbon flue gas purification device Failure to solve the problem of detecting and locating a small amount of local high-temperature activated carbon

Method used

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  • Activated carbon high-temperature detection and graded alarm method
  • Activated carbon high-temperature detection and graded alarm method
  • Activated carbon high-temperature detection and graded alarm method

Examples

Experimental program
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Effect test

Embodiment 1

[0116] A method for activated carbon high temperature detection and grading alarm, the method comprises the following steps:

[0117] 1) The thermal imager 1 takes real-time pictures of the materials entering the imaging area 3 on the vibrating screen 2 to obtain a thermal imaging image;

[0118] 2) According to the thermal imaging image analysis, it is judged whether the material entering the imaging area 3 has a high temperature point;

[0119] 2a) If it is judged that the thermal imaging image does not have a high temperature point, return to step 1);

[0120] 2b) If it is judged that the thermal imaging image has a high temperature point, then obtain the proportion of high temperature pixel points in the current imaging area 3 according to the thermal imaging image;

[0121] 3) Compare the proportion of high-temperature pixels in the current imaging area 3 with the proportion of high-temperature pixels set for alarm, so as to judge the high-temperature state of the materi...

Embodiment 2

[0123] like image 3 Shown, a kind of activated carbon high temperature detection and the method for grading alarm, this method comprises the following steps:

[0124] 1) The thermal imager 1 takes real-time pictures of the materials entering the imaging area 3 on the vibrating screen 2 to obtain a thermal imaging image;

[0125] 2) According to the thermal imaging image analysis, it is judged whether the material entering the imaging area 3 has a high temperature point;

[0126] 2a) If it is judged that the thermal imaging image does not have a high temperature point, return to step 1);

[0127] 2b) If it is judged that the thermal imaging image has a high temperature point, then obtain the proportion of high temperature pixel points in the current imaging area 3 according to the thermal imaging image;

[0128] The high-temperature pixels are imaging points in the imaging area 3 whose temperature is higher than a set target temperature. Acquire the number n of high-tempera...

Embodiment 3

[0137] Repeat embodiment 2, but in step 2), it is judged whether the thermal imaging image has a high temperature point, specifically:

[0138] The highest temperature value T1 in the thermal imaging image is acquired, and the highest temperature value T1 is compared with the set target temperature T0. If T1≤T0, it is determined that the thermal imaging image does not have a high temperature point. If T1>T0, it is determined that the thermal imaging image has a high temperature point. The value of T0 is 400°C.

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Abstract

The invention discloses an activated carbon high-temperature detection and graded alarm method, whichcomprises the steps of (1) enabling a thermal imager to shoot materials entering an imaging area on a vibrating screen in real time, and acquiring thermal imaging images, 2) analyzing and judging whether the material entering the imaging area has a high-temperature point or not according to the thermal imaging image, 2a) if the thermal imaging image is judged not to have the high-temperature point, returning to the step (1), 2b) if the thermal imaging image is judged to have high-temperature points, obtaining the proportion of high-temperature pixel points in the current imaging area, and 3) comparing the proportion of the high-temperature pixel points in the current imaging area with the proportion of the high-temperature pixel points which are set to give an alarm so as to judge the overall high-temperature state of the material in the imaging area and determine whether to give an alarm or not. A high-temperature detection mode of the thermal imager is adopted, the accuracy and comprehensiveness of detection are improved, meanwhile, the high-temperature state of the activated carbon is subjected to grade classification, and a basis is provided for grading treatment of the high-temperature activated carbon.

Description

technical field [0001] The invention relates to the detection of high-temperature activated carbon particles in an activated carbon flue gas purification device, in particular to a method for detecting high-temperature activated carbon and grading alarms, and belongs to the technical field of activated carbon flue gas purification. Background technique [0002] The amount of flue gas produced in the sintering process accounts for about 70% of the entire iron and steel process, and the main pollutants in the sintering flue gas are dust, SO 2 , NO X ; In addition, there are a small amount of VOCs, dioxins, heavy metals, etc.; they need to be purified before they can be discharged. At present, the technology of activated carbon desulfurization and denitrification device for treating sintering flue gas has been mature, and it has been popularized and used in China, and good results have been achieved. [0003] The working schematic diagram of activated carbon desulfurization a...

Claims

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Application Information

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IPC IPC(8): G01N15/02G01J5/02
CPCG01N15/0227G01N15/0272G01J5/02
Inventor 刘雁飞刘果陈伟
Owner HUNAN ZHONGYE CHANGTIAN ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECH CO LTD
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