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Smoke mercury online monitoring instrument

A monitoring instrument and flue gas technology, applied in the measurement of color/spectral characteristics, etc., can solve the problems of optical path drift and complex structure, and achieve the effects of improving sensitivity, reducing pollution and reducing system errors.

Inactive Publication Date: 2013-03-27
中科天融(北京)科技有限公司
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Problems solved by technology

However, this method adopts a dual optical path design, and the structure is complex, which is easy to cause optical path drift.

Method used

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  • Smoke mercury online monitoring instrument

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Embodiment Construction

[0014] Such as figure 1 As shown, the embodiment of the present invention provides an online flue gas mercury monitoring instrument, which is composed of a touch screen display system, a CPU control system, a detection system, a sampling system and an absorption tower. The touch screen display system completes data display, data calculation and Communicate with the CPU control system, the CPU control system performs a series of actions such as sampling, air pump and AD collection, the detection system completes the absorption detection of mercury vapor, and the sampling system completes the flue gas and zero gas The sampling is switched, and the absorption tower completes the absorption of mercury in the sample gas.

[0015] The touch screen display system of the present invention is made up of ARM7 inch touch screen, completes CPU control panel control and 485 signal output;

[0016] The CPU control system of the present invention is composed of a C8051 single-chip microcomp...

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Abstract

The invention relates to a smoke mercury online monitoring instrument, and belongs to the technical field of environment monitoring. The instrument is composed of a touch screen display system, a CPU (central processing unit) control system, a detection system, a sampling system and an absorption tower, wherein the touch screen display system finishes data display, data calculation and communication with the CPU control system; the CPU control system carries out a series of actions of sampling, air pumping and AD collection and the like; the detection system finishes absorption detection of mercury vapor; the sampling system finishes sampling switching of smoke and zero gas, and the absorption tower finishes adsorption of mercury in sample gas. The smoke mercury online monitoring instrument can be used for continuously monitoring the concentration of the mercury in the smoke on line, has the characteristics of high precision, high sensitivity, high efficiency, and the like and is suitable for real-time monitoring of the mercury in various smokes.

Description

technical field [0001] The invention relates to an online flue gas mercury monitoring instrument, in particular to a method and a structure of the flue gas mercury online monitoring instrument. Background technique [0002] With the development of industry, the use of mercury has become wider and wider, and the production volume has increased sharply, so that a large amount of mercury enters the environment with human activities. Mainly include: application of mercury-containing pesticides and mercury-containing sludge fertilizers; mining and smelting of mercury mines; irrigation of mercury-containing wastewater; municipal garbage, waste incineration, etc. Human activities cause mercury pollution in water bodies, mainly from wastewater discharged from industries such as chlor-alkali, plastics, batteries, and electronics. What is discharged to the atmosphere and soil will also return to the water body along with the water cycle. According to reports, mercury is listed as a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31
Inventor 王昕竑赵文峰郭炜胡刚农永光
Owner 中科天融(北京)科技有限公司
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