Device and method for promoting interaction of particulate matters by utilizing electrode charging

A particulate matter and charged technology, applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve problems such as energy consumption, efficiency discounts, and inability to set working states, so as to reduce resistance and promote efficient interactions , the effect of efficient interaction

Inactive Publication Date: 2012-07-11
PEKING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional powder and granular processing devices cannot set the working state according to the actual working conditions in the industry, which greatly reduces energy consumption and efficiency.

Method used

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  • Device and method for promoting interaction of particulate matters by utilizing electrode charging
  • Device and method for promoting interaction of particulate matters by utilizing electrode charging
  • Device and method for promoting interaction of particulate matters by utilizing electrode charging

Examples

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] The present invention is based on following recognition:

[0021] "Particle Classification": Particles with different aerodynamic diameters have different inertia and therefore different ability to follow the motion of the fluid when entrained by it. The greater the inertia of the particle, the harder it is to be carried by the fluid, and the greater the difference between the velocity vector of its motion and the velocity vector of the local fluid, the velocity difference of the particle is defined as "slip velocity" here. Therefore, on the path of dust-laden smoke movement, the use of blunt bodies with different radians and inclination angles can separate the movement of large and small particles.

[0022] "Corona rod pre-charging": Connecting a high-voltage DC power supply to the rod-shaped electrode can generate a strong electric field aro...

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PUM

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Abstract

The invention relates to a device and a method for promoting interaction of particulate matters by utilizing electrode charging. The device is characterized by comprising a charging flow guide section, a corona bar pre-charging section, a mixed flow guide section and a mixed section, wherein the charging flow guide section comprises m1 rows and n1 lines of charging flow guide blades; each charging flow guide blade is arranged in a channel through a connecting shaft and is formed by continuously arranging a plurality of blunt body branch blades; the corona bar pre-charging section comprises m2 rows of positive and negative interphase bar-shaped electrodes; two ends of each bar-shaped electrode are fixed on the inner wall of the channel through a connecting piece respectively; the adjacent bar-shaped electrodes are connected with a positive electrode and a negative electrode of a high-voltage electrostatic power supply respectively; the mixed flow guide section comprises m3 rows and n3 lines of mixed flow guide blades; each mixed flow guide blade is arranged in a channel through a connecting shaft; the mixed section comprises m4 row and n4 lines of vortex-generating blades; and each vortex-generating blade is arranged in a channel through a connecting shaft. The device can effectively remove ultrafine particulate matters and can be widely applied to the aspects of controlling air pollution and the like.

Description

technical field [0001] The invention relates to a device and a method for promoting the interaction of different types of particles, in particular to a device and a method for promoting the interaction of particles by using electrode charging. Background technique [0002] In many industrial production processes, a large amount of harmful particulate matter is produced and discharged into the atmosphere. Among these particles, the most harmful ones are submicron particles. Since submicron particles are easily inhaled by the human body and enriched in toxic compounds, governments around the world have formulated and continuously updated stringent legal standards to control the emission of particulate matter (PM10) with a diameter of less than ten microns. At the same time, environmental problems such as photochemical smog and high atmospheric opacity are directly caused by particulate matter, especially ultrafine particulate matter. In view of the fact that the smaller the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D51/02
Inventor 米建春杜诚
Owner PEKING UNIV
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