Wet Dust Collector Electrospray Vortex Fine Particle Removal
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Solution Overview
Problem
Existing dust collection technologies, such as gravity, inertial, scrubbing, and dry electrostatic precipitation, are ineffective in removing fine particles (PM2.5) from exhaust gases, leading to environmental harm and increased operational costs due to clogged filters and reduced efficiency.
Innovation Solution
A wet type dust collector using electrospray and a vortex, featuring a cyclonic structure with a cylinder, hollow cone, and insulating lid, applies high voltage to generate fine droplets that collect small particles through electrospray and centrifugal force, minimizing secondary pollutants and operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If scrubbing with fine holes filter is used to remove particles, then dust collection efficiency is improved, but the filter becomes clogged with particles causing rapid decrease in exhaust gas processing capacity
Solution Approach 1:
The invention extracts the liquid spray function from a separate filtration stage and integrates it directly into the cyclone separator structure. Liquid spray ports are positioned within the cyclone to spray cleaning liquid directly at the dust collection zone, allowing continuous operation without filter clogging while maintaining high dust collection efficiency
Solution Approach 2:
The invention merges the cyclone separation function with the liquid spray cleaning function into a single integrated structure. The cyclone separator and liquid spray device are combined such that the spray liquid is introduced directly into the cyclone's dust collection zone, enabling simultaneous particle separation and continuous cleaning without requiring separate filter components
2Reliability
If filters are frequently replaced to prevent clogging, then dust collection efficiency is maintained, but costs for processing exhaust gas increase
Solution Approach 1:
The invention implements a self-cleaning mechanism where liquid is sprayed continuously or periodically into the cyclone separator to wash away accumulated particles. This self-service cleaning function eliminates the need for frequent filter replacements and manual maintenance, thereby reducing operational costs while sustaining dust collection efficiency
3Reliability
If high voltage is applied to generate fine droplets for electrospray, then fine particle removal efficiency is improved, but energy consumption increases
Solution Approach 1:
The invention employs dynamic control of the electrospray system by adjusting voltage levels based on operating conditions. The high voltage is applied selectively during periods requiring enhanced fine particle removal, while allowing reduced voltage or standby mode during normal operation, thereby optimizing the balance between removal efficiency and energy consumption
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively removes fine particles with high efficiency, maintaining droplet size and reducing waste liquid production, thus addressing the limitations of existing technologies in handling small particle collection and minimizing environmental impact.
Implementation Method 1
spraying fine droplets that are generated when high voltage is applied to the dust collector
Implementation Method 2
electrostatic precipitation that removes dust by applying electric charge to dust by supplying electricity
Implementation Method 3
a wet type dust collector using electrospray and a vortex
Implementation Method 4
removing particles from an electrode with water, but it uses a large amount of water
Data Source
AI summary
The present invention relates to a wet type dust collector using electrospray and a vortex, the dust collector having a cyclonic structure and removing dust contained in exhaust gas by spraying fine droplets that are generated when high voltage is applied to the dust collector. More particularly, the present invention relates to a wet type dust collector using electrospray and a vortex, the dust collector including: a cylinder having an exhaust gas intake pipe for guiding exhaust gas containing granular pollutants at a predetermined position on the outer side, and forming an empty space; a hollow cone tapered downward, connected to the bottom of the cylinder at the top, and having a liquid discharge port at the bottom; a lid through which a hollow cylindrical gas discharge pipe is disposed to discharge gas with granular substances removed to the outside and, that is disposed on top of the cylinder; a positive (+) lead wire connected to the cylinder; and a negative (−) lead wire connected to the gas discharge pipe, in which a liquid container having one or more liquid spray ports is disposed on the gas discharge pipe.