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Method and dedicated device for promoting growth of PM2.5 by combining sound and mist

A wavelength and entrance technology, applied in separation methods, chemical instruments and methods, and separation of dispersed particles, to achieve the effects of increasing growth rate and growth degree, enhancing collision agglomeration, and efficient removal

Inactive Publication Date: 2015-06-24
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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  • Description
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Problems solved by technology

Although the above technologies can all promote PM 2.5 Growth has been formed to a certain extent, but there is room for further development in terms of growth rate and growth degree

Method used

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  • Method and dedicated device for promoting growth of PM2.5 by combining sound and mist

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] see figure 1 , the combination of sound and fog of the present invention promotes PM 2.5 grow device example, the PM 2.5 entrained in air currents, including some containing PM 2.5 The airflow channel 3 that the airflow flows through has a rectangular cross section and a width that is an integer multiple of the wavelength λ. A sinusoidal plane acoustic wave or standing wave generator 1 is provided on the side of the airflow channel, and a water heater is provided at the inlet of the airflow channel. The steam nozzle 2 and the steam nozzle 2 are arranged at the converging sections of 0.75λ and 0.25λ of each wavelength in the sound field, and the steam nozzle is externally connected to the steam pipe 4 .

[0025] The combination of sound and fog of the present invention promotes PM 2.5 Grown up method example, the PM 2.5 Entrained in ...

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Abstract

The invention discloses a method for promoting PM2.5 to grow by combining sound and mist. The PM2.5 is mixed in airflow. The method comprises the following steps: enabling the airflow containing PM2.5 to flow through an airflow channel, arranging a sine plane sound wave or stand wave generator at the side surface of the airflow channel, arranging a vapor nozzle at an inlet or the other side of the airflow channel, wherein the vapor nozzle is externally connected with a vapor pipeline; the cross section of an optimal airflow channel is rectangular, the width is integer multiple of the wavelength lambda, the vapor nozzle is arranged at the inlet of the airflow channel, the vapor nozzle is arranged at a convergence section of 0.75 lambda and 0.25 lambda of each section of wavelength in a sound field. The invention further comprises a dedicated device for the method. Through the adoption of the method and the device disclosed by the invention, the growth rate of the PM2.5 can obtain is fast and the growth degree is satisfactory.

Description

technical field [0001] The invention relates to a combination of sound and fog to promote PM 2.5 Way to grow up. The present invention also relates to a combination of sound and mist specially used in the method to promote PM 2.5 grow device. Background technique [0002] In the fields of energy, environmental protection, etc., it is sometimes necessary to remove PM 2.5 PM 2.5 Removed, contains PM 2.5 Airflow such as internal combustion engine tail gas contains a large amount of PM 2.5 Aerosol substances and flue gas after wet desulfurization of coal-fired power stations contain a large amount of PM 2.5 Sulfate substances. PM 2.5 The large amount of emissions caused the increase of smog weather, which has a serious impact on human health. Existing dedusting device for PM 2.5 Difficult to remove effectively, the reason is that PM 2.5 Due to small size, light weight and large quantity. If by some means PM 2.5 If it can quickly grow into particles with larger parti...

Claims

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Application Information

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IPC IPC(8): B01D51/08B01D51/02
Inventor 刘亚明徐齐胜袁竹林杨林军李方勇李德波盘思伟
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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