Device for removing fine particles by joint action of acoustic agglomeration and mist spray and method of device

A joint action, fine particle technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problems of not particularly obvious effects, increased energy consumption, and large pressure drop, so as to improve the efficiency of acoustic wave agglomeration and reduce The effect of energy consumption

Active Publication Date: 2014-04-09
ZHEJIANG UNIV
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Problems solved by technology

[0003] Some existing dust removal equipment, including mechanical separators, electrostatic precipitators, bag dust collectors, etc., have their own advantages and disadvantages according to their own characteristics and application occasions. The removal efficiency of PM2.5 is not high. Although the efficiency of the bag filter is high, t...

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  • Device for removing fine particles by joint action of acoustic agglomeration and mist spray and method of device

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Embodiment Construction

[0016] specific implementation plan

[0017] Such as figure 1 As shown, the device for the removal of fine particles by the combination of sound wave agglomeration and spraying includes a compression driving sound source 1, a reunion chamber main body 2, a buffer tank 3, a plunger metering pump 4, a nozzle 5, an induced draft fan 6, and a sound-absorbing sponge 7 , water storage tank 8, flue gas inlet 9, power amplifier, signal generator; the top of the reunion room main body 2 is provided with a compression driving sound source 1, and the compression driving sound source 1 is connected to the power amplifier and signal generator in sequence, The upper side wall of the reunion chamber main body 2 is provided with a flue gas inlet 9, and the upper part of the reunion chamber main body 2 is provided with a nozzle 5, and the nozzle 5 is respectively connected with the buffer tank 3, the plunger type metering pump 4, and the water storage tank 8. The lower side wall of the chambe...

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Abstract

The invention discloses a device for removing fine particles by joint action of acoustic agglomeration and mist spray and a method of the device. A compressed drive sound source is arranged at the top of a main agglomeration chamber body, and connected with a power amplifier and a signal generator sequentially; a smoke inlet is formed in the lateral wall of the upper part of the main agglomeration chamber body; a nozzle is arranged inside the upper part of the main agglomeration chamber body, and connected with a buffer tank, a plunger type metering pump and a storage tank respectively; an induced draft fan is arranged at the lateral wall of the lower part of the main agglomeration chamber body; a sound-absorbing sponge is arranged at the bottom of the main agglomeration chamber body. Fine particles in dust-containing airflow such as discharged smoke from a coal-fired power plant are preprocessed by using joint action of acoustic agglomeration and mist spray, so that the acoustic agglomeration efficiency of the fine particles is greatly improved, and the target of efficiently removing particulate matter 2.5 (PM2.5) is achieved by combining with subsequent traditional dust removers. Thus, emission of the PM2.5 is controlled. The sound pressure level required by the method of combining acoustic wave with mist spray is much lower than that of the method only adopting the acoustic wave, so that the energy consumption of acoustic agglomeration is effectively reduced.

Description

technical field [0001] This article relates to the technical field of pollution control equipment manufacturing, in particular to a device and method for removing fine particles through the combination of acoustic agglomeration and spraying. Background technique [0002] Coal is the main fuel source of my country's electricity. In the foreseeable next few decades, coal-fired thermal power generation will occupy a dominant position in my country's power industry for a long time. This long-term energy structure that relies on coal-fired power generation has caused serious environmental pollution. The smoke and dust emitted by coal-fired power plants is one of the important sources of inhalable particulate matter in the atmosphere. Inhalable particulate matter, especially particulate matter (PM2.5) with an aerodynamic diameter of less than 2.5 microns, is an important pollutant affecting the air quality of our country. It not only affects the global climate and environment, des...

Claims

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Application Information

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IPC IPC(8): B01D51/08B01D47/06
Inventor 骆仲泱周栋方梦祥施正伦王涛高翔
Owner ZHEJIANG UNIV
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