High-humidity smoke sampling sulfur dioxide separating device

Abstract

The invention relates to a high-humidity smoke sampling sulfur dioxide separating device which furthest reduces the solution loss of sulfur dioxide during on-line monitoring or site detection of high-humidity smoke. Water is separated from smoke under the condition of heating, and the water and the smoke are reduced in temperature before entering a sensor part. The device can selectively perform primary water and smoke separation in a flue.

Description

Technical field [0001] The invention relates to a fixed pollution source flue gas sampler, a flue gas analyzer, a flue gas pollutant rapid detector or a fixed pollution source flue gas continuous monitoring system in the field of environmental monitoring, in particular to a low-dissolution separation of sulfur dioxide in high-humidity flue gas device. Background technique [0002] At present, in the detection of sulfur dioxide emitted from flue gas in the industry, the problem of high moisture content in flue gas is often encountered. In particular, the widely used wet desulfurization technology makes the final exhausted flue gas present a high humidity. Sulfur dioxide is easily soluble in water to become sulfurous acid, and its chemical reaction formula is as follows: [0003] SO 2 +H 2 O=H 2 SO 3 [0004] In addition, in order to avoid high-humidity water vapor affecting or damaging sensor components, it is often necessary to pass through a condensation dehydration ...

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the loss of sulfur dioxide dissolved by the existing dehumidification device, the present invention provides a new sampling treatment method - primary separation of water and gas in the flue, secondary separation of water and gas outside the flue under heating, and before entering the sensor components cool down again

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