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Multi-component infrared online gas analyzer

A gas analyzer, multi-component technology, applied in the direction of analyzing materials, material analysis by optical means, instruments, etc., can solve problems such as real-time control and slow speed in unfavorable industrial sites, and achieve convenient networking and strong corrosion resistance. , the effect of low maintenance

Inactive Publication Date: 2007-02-07
德菲电气(北京)有限公司
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  • Abstract
  • Description
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Problems solved by technology

Moreover, the response speed of the sampling system is very slow, which is not conducive to real-time control in industrial sites.

Method used

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  • Multi-component infrared online gas analyzer
  • Multi-component infrared online gas analyzer

Examples

Experimental program
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Effect test

Embodiment Construction

[0039] The infrared rays emitted by the infrared light source 1 enter the self-calibration runner 5 through the chopper wheel 3 driven by the chopper motor 2 . The function of the self-calibration runner 5 is to perform self-calibration once in a certain time interval to determine whether the system works normally. After the infrared ray passes through the self-calibration wheel 5, it hits the corner cube prism 9, and then the beam is reflected on the convex mirror 8, and after being reflected by the convex mirror 8, the beam reaches the concave mirror 6, and the beam reflected by the concave mirror 6 passes through the measuring gas It reaches the corner cube prism 9 and is reflected back to the concave mirror 6. So actually the infrared rays are absorbed twice by the measured gas. Then, the concave mirror 6 reflects the infrared rays back to the convex mirror 8, and the convex mirror 8 reflects the infrared rays to the corner cube prism 9, and reaches the photoelectric sens...

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Abstract

The related IR gas analyzer to on-line detect gas concentration comprises: a gas transmission device, an original-path reflector, a connection control box, a standard gas scaling unit, a gas cleaning device, and a SCM. With open-loop structure, this invention can change for different gas absorption feature, runs stably and accurately, and needs a little maintenance.

Description

Technical field: [0001] The present invention relates to a kind of multi-component gases such as CO, NO, NO2, SO2, H2O, HF, HCL, CO2 etc. infrared gas analyzer. The device adopts the latest modern high-tech technologies such as infrared filtering technology, infrared gas absorption technology, photoelectric conversion technology, and electronic signal processing technology. The device can be widely used in electric power, environmental protection, petroleum, chemical industry, metallurgy, waste incineration and other industrial sectors. Background technique: [0002] At present, gas analyzers used internationally and domestically mainly use two analytical techniques, electrochemical and optical. The performance of electrochemical analyzer products is unstable and the consistency is relatively poor. In order to measure accurately, it needs to be re-calibrated before each measurement, and the maintenance amount is relatively large during use, and the work cost is relatively...

Claims

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Application Information

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IPC IPC(8): G01N21/35G01N21/15G01N21/3504
Inventor 王冲刘洪国宋晶黄冠亚
Owner 德菲电气(北京)有限公司
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