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Infrared gas analysis pretreatment system

A technology of gas analysis and gas analyzer, which is applied in the direction of material analysis, material analysis by optical means, and measuring devices, etc., which can solve problems such as deviation of measurement results, achieve the effect of reducing influence and improving accuracy

Active Publication Date: 2011-06-08
BEIJING SDL TECH
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Problems solved by technology

[0005] In view of this, the present invention is to provide an infrared gas analysis pretreatment system to solve the problem of large deviation of measurement results in the prior art

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] The infrared gas analyzer is a key component of the detection part of the infrared gas analysis pretreatment system. It is an instrument based on the principle of non-dispersive infrared light absorption for detecting the concentration of SO2, NO, CO, CO2 and other gases in the gas. As shown in the figure, the infrared gas analyzer includes: infrared light source ①, reflector ②, synchronous motor ③, light cutter ④, sample gas chamber ⑤, fro...

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Abstract

The invention discloses an infrared gas analysis pretreatment system. The system comprises an electromagnetic valve, a condenser, a filter, a sampling pump and an infrared gas analyzer, wherein the electromagnetic valve is provided with a sample gas connector, an air connector and a condenser connector; one end of the condenser is connected with the electromagnetic valve via the condenser connector and the other end of the condenser is connected with one end of the sampling pump via the filter; the condenser is also provided with an outlet; and the other end of the sampling pump is connected with the infrared gas analyzer. By using the system provided by the invention, the same condensation treatment is carried out on the air and the sample gas so that the humidity of the air is similar to that of the sample gas, thus reducing the effect of the difference of the humidity of the air on the measuring results and improving the accuracy of the measuring results.

Description

technical field [0001] The invention relates to the technical field of extraction gas analysis systems, and more specifically, to an infrared gas analysis pretreatment system. Background technique [0002] The flue gas emission continuous monitoring system can continuously and real-time track and measure the concentration and emission rate of particulate matter and gaseous pollutants emitted by fixed pollution sources, and is widely used in factories with fixed pollution sources (such as boilers, industrial furnaces and incinerators). [0003] The infrared gas analysis pretreatment system is an important subsystem in the continuous monitoring system of flue gas emission, such as figure 2 As shown, the infrared gas analysis pretreatment system is mainly composed of a condensation device, a filter device, a zero gas calibration device, a sampling device and an infrared gas analyzer. [0004] The existing infrared gas analysis pretreatment system uses air as the zero gas for c...

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Application Information

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IPC IPC(8): G01N1/28G01N21/17
Inventor 付斌
Owner BEIJING SDL TECH
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