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An online monitoring device and method for pm2.5 industrial flue gas

A PM2.5 and monitoring device technology, applied in the field of PM2.5 capture, can solve problems such as low accuracy and resolution, inability to meet the requirements of PM2.5 filtration, and inapplicability to industrial applications, so as to achieve intelligent The effect of chemical control

Active Publication Date: 2018-04-20
HUNAN CHANGZHONG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned methods have certain disadvantages, either they are not suitable for industrial applications, or the accuracy and resolution are not high, and they cannot meet the needs of iron and steel metallurgy flue gas dust removal and PM2.5 filtration

Method used

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  • An online monitoring device and method for pm2.5 industrial flue gas

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Experimental program
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Effect test

Embodiment 1

[0027] An online monitoring device and method for PM2.5 industrial flue gas, including a detection head (1), an integrated sensor (2), a layered isolation room, a PM2.5 detection unit (10), a central processing unit (3), The guide rail crawler (6), GPRS communication module (11) and external display operation panel integrate the smoke detection module and the online monitoring module, supported by the guide rail crawler (6) and inside the flue gas pipe and dust removal box Walking, the GPRS communication module (11) can measure its coordinate point by positioning, the detection head (1) is exposed to the flue gas channel at different heights for sampling, and the integrated sensor (2) detects the flue gas temperature initially detected by the detection head , humidity, flow direction, flow velocity, air pressure and chemical composition, the layered isolation room is divided into the first layered isolation room (4) and the second layered isolation room (5) through the PM2.5 cu...

Embodiment 2

[0034] A method for operating an on-line monitoring device for PM2.5 industrial flue gas, characterized in that continuous on-line monitoring and intelligent automatic adjustment are performed, and the steps are as follows:

[0035] (1) The online monitoring device can be distributed in each section inside the flue gas pipeline and the dust removal box or walk inside the flue gas pipeline and the dust removal box through the crawler guide rail (6);

[0036] (2) Use the GPRS communication module (11) to locate and measure the coordinate point where it is located, through the sampling of the detection head (1) and the detection of the integrated sensor (2), the temperature, humidity, flow direction, flow velocity, Air pressure and chemical composition; through the scattered light collector (12) to capture the particle pulse signal converted from light intensity and the transient image of the flow field taken by the PIV camera (13), the distribution of the flow field at the corres...

Embodiment 3

[0042] A method for operating an on-line monitoring device for PM2.5 industrial flue gas, characterized in that continuous on-line monitoring and intelligent automatic adjustment are performed, and the steps are as follows:

[0043] (1) The online monitoring device can be distributed in each section inside the flue gas pipeline and the dust removal box or walk inside the flue gas pipeline and the dust removal box through the crawler guide rail (6);

[0044] (2) Use the GPRS communication module (11) to locate and measure the coordinate point where it is located, through the sampling of the detection head (1) and the detection of the integrated sensor (2), the temperature, humidity, flow direction, flow velocity, Air pressure and chemical composition; through the scattered light collector (12) to capture the particle pulse signal converted from light intensity and the transient image of the flow field taken by the PIV camera (13), the distribution of the flow field at the corres...

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Abstract

An on-line monitoring device and method for PM2.5 industrial flue gas, comprising a detection head, an integrated sensor, a layered isolation room, a PM2.5 detection unit, a central processing unit, a guide track, a GPRS communication module and an external display operation screen, It is supported by the guide track and walks inside the flue gas duct and dust removal box. The GPRS communication module can measure its coordinate point by positioning. The detector head is exposed to the flue gas channel at different heights for sampling, and the detector head is detected by the integrated sensor. The initially detected flue gas temperature, humidity, flow direction, flow rate, air pressure and chemical composition, the layered isolation chamber is divided into the first layered isolation chamber and the second layered isolation chamber by the PM2.5 cutter, which is divided by the PM2.5 detection unit Detect various physical and chemical characterizations of PM2.5 entering the second layered isolation room, record, analyze, process, store or draw images from the detected values ​​by the central processor, and then transmit to the external display operation screen for continuity Monitoring and system-wide instant operation.

Description

technical field [0001] The invention relates to an on-line monitoring device and method for PM2.5 industrial flue gas, in particular to the purification treatment of high-temperature flue gas from metallurgical furnaces in industries such as iron and steel, and belongs to the technical field of PM2.5 capture. Background technique [0002] PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 μm in the atmosphere. It has the characteristics of small particle size and large specific surface area. It is easy to absorb toxic substances and has strong penetrating power. It can reach the bronchiole wall and affect the health of the respiratory system. , directly endanger people's health. In my country, in some important industrial cities, PM2.5 from the steel industry exceeds 30%, which has aroused people's great concern. [0003] In the PM2.5 cleaning and dust removal process, the uniformity of the flue flow field distribution directly affects the efficien...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/06G01D21/02
Inventor 陈春莲肖熳
Owner HUNAN CHANGZHONG MACHINERY
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