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Acoustic wave agglomeration chamber for PM2.5 particulate matters in industrial flue gas and emission reducing device thereof

A technology for industrial flue gas and particulate matter, which is used in combination devices, gas treatment, and dispersed particle separation.

Active Publication Date: 2017-08-11
湖南赛能环测科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

On the other hand, in CN201210115860.0, sound waves in the ultrasonic frequency band are used for dust removal. In industrial application environments, the propagation attenuation of ultrasonic waves is relatively significant, and the intensity and effect of sound waves in the action space cannot be guaranteed.
[0004] Therefore, none of the above patents can effectively solve the problems of limited field space and economical use in industrial application scenarios at the same time

Method used

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  • Acoustic wave agglomeration chamber for PM2.5 particulate matters in industrial flue gas and emission reducing device thereof
  • Acoustic wave agglomeration chamber for PM2.5 particulate matters in industrial flue gas and emission reducing device thereof
  • Acoustic wave agglomeration chamber for PM2.5 particulate matters in industrial flue gas and emission reducing device thereof

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Embodiment Construction

[0030] The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

[0031] see figure 1 The acoustic agglomeration chamber for PM2.5 particulate matter in industrial flue gas provided by the present invention includes a cylinder body 100, a standing wave partition 200, and an airflow intensity sound source 300 for radiating sound waves into the cylinder body 100, and the two ends of the cylinder body 100 are respectively For the smoke inlet and the smoke outlet, the two ends of the cylinder 100 are respectively provided with smoke-permeable sound-resistance structures 400; the standing wave partition 200 is inserted in the cylinder 100, and the cylinder 100 is divided into multiple The axis of 100 is the standing wave tu...

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Abstract

The invention provides an acoustic wave emission reducing device for PM2.5 particulate matters in industrial flue gas. Cross section of an acoustic wave agglomeration chamber is partitioned to form clustered flue gas pipelines in annular arrangement through radial central partitions. Through acoustic conduction structure between the central partitions and the inner wall of the acoustic wave agglomeration chamber, one or multiple strong acoustic wave excitation is applied in the middle of each clustered flue gas pipeline, and excitation direction is perpendicular to flowing direction of the flue gas in the corresponding pipeline. By adding smoke-incoming acoustic blocking structure and gas-blocking acoustic penetrating structure at inlets, outlets and acoustic transmission positions of the clustered flue gas pipelines and matching with axial size of the flue gas pipelines in integer multiples of half wavelength, sufficient action of high-intensity acoustic waves at specific frequency and particulate matters in the flue gas is completed in each pipeline. The acoustic wave emission reducing device is compact in structure and realizes acoustic wave agglomeration of fine particulate matters for emission reducing with high efficiency and low energy consumption.

Description

technical field [0001] The invention relates to the technical field of acoustic dust removal, in particular to an acoustic agglomeration chamber for PM2.5 particles in industrial flue gas and an emission reduction device thereof. Background technique [0002] Fine particulate matter, mainly PM2.5, has become the main pollutant in my country's urban air environment. Acoustic agglomeration and emission reduction refers to the interaction between strong sound waves and particulate matter in flue gas to increase the particle size of fine particles in flue gas, thereby significantly enhancing the removal efficiency of conventional dust removal equipment for fine particles. As a non-contact emission reduction method, the acoustic agglomeration method has short action time, significant effect, economical and easy to use, and can adapt to high temperature, high pressure and corrosive environments. It is a special technology for reducing fine particulate matter from pollution sources...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D51/08B01D50/00
CPCB01D50/00B01D51/08B01D2258/0283Y02A50/2351
Inventor 肖科彭燕程甦潘传武陈克坚陈玲凤赵云
Owner 湖南赛能环测科技有限公司
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