Device and method for accelerating particulate matter to interact with each other

A particle and flow direction technology, applied in the field of particle interaction devices, can solve the problems of unable to set the working state, energy consumption, efficiency discount, etc., achieve strong active controllability, promote particle interaction, and enhance interaction Effect

Inactive Publication Date: 2011-04-06
PEKING UNIV
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  • Summary
  • 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, and their energy consumption and efficiency will be greatly reduced

Method used

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  • Device and method for accelerating particulate matter to interact with each other
  • Device and method for accelerating particulate matter to interact with each other
  • Device and method for accelerating particulate matter to interact with each other

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] The present invention is based on following recognition:

[0024] Particles with different masses or aerodynamic properties in a fluid have different responses to the curvilinear motion of the fluid or around a turbulent vortex of the same scale. In other words, if the scale of the turbulent vortex is constant, different particles will be involved in different degrees by the vortex. Therefore, the particles will have different trajectories, which increases the possibility of collision or interaction between two particles. The concentration and particle size distribution of the powders and particles produced by most of the equipment in the industry under normal operating conditions are unsteady, and the size and characteristics of the particles in the dust-laden incoming flow are not uniform, but they often maintain parallel flow. And straight ...

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Abstract

The invention relates to a device and method for accelerating particulate matters to interact with each other. The device is characterized by comprising a barrel-shaped shell which is divided into a plurality of channels by a wear-resisting plate along the incoming flow direction, the inlet of each channel is a stream guidance section, and an a mixing section is arranged behind the stream guidance section; each stream guidance section is provided with a group of guide vanes, each guide vane is provided with a streamline stream guidance surface, and the guide vane is connected in the channel by a control shaft arranged on the guide vane; each mixing section is provided with a group of vortex generation vanes provided with at least one convex or concave vortex generation curved surface respectively; and one side edge of each vortex generation vane is zigzag, and the other side of each vortex generation vane is connected in the channel by a control shaft arranged on the vortex generationvane. The invention has simple structure, is convenient in operation, can be applied in all dust extraction industries of powder transporting and stirring processes and can be used in the air pollution control process.

Description

technical field [0001] The invention relates to a device and a method capable of promoting the interaction of different types of particulate matter in an incoming flue gas stream. Background technique [0002] In many industrial processes, a large number of harmful particles are generated 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. In view of the fact that the smaller the particle size, the deeper it enters the lungs, the particle pollution with a diameter of less than 2.5 microns (PM2.5) has become a focus of attention of governments. In addition to directly causing harm to the human body, fine particles are also one of the main a...

Claims

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Application Information

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IPC IPC(8): B01D51/02
CPCY02A50/2351
Inventor 米建春杜诚杨立清
Owner PEKING UNIV
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