Orientable Emissive Plates for Electrostatic Particle Filtration
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Solution Overview
Problem
Existing devices for purifying gaseous media laden with particles, such as those from diesel engines, are not optimized for industrial, residential, or mobile use and lack flexibility in ozone production and flow management.
Innovation Solution
A compact, easily manufacturable and maintainable purification device with orientable emissive structures, serrated blades, and staggered points, allowing for adjustable voltage and orientation to control ozone production and gas flow, combined with a pre-filter and suction system for efficient particle removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing electrostatic precipitators are used for purifying gaseous media, then particle removal function is provided, but the device lacks flexibility in ozone production and flow management
Solution Approach 1:
The emitting structures are made orientable within the electrostatic filtration chamber, allowing dynamic adjustment of their orientation to control gas flow patterns and ozone production. This dynamic capability enables the device to adapt to different operational requirements without changing the overall device structure.
Solution Approach 2:
The emitting structures serve multiple functions: they generate ozone through corona discharge, guide gas flow through their orientation, and can be individually voltage-controlled. This multi-functionality increases adaptability while avoiding the need for separate dedicated components for each function.
2Adaptability or versatility
If multiple emitting structures are added to control flow and ozone production, then flexibility and control are improved, but manufacturing complexity and maintenance difficulty increase
Solution Approach 1:
The emitting structure is divided into multiple independent plates, each with staggered points and capable of individual orientation adjustment. This segmentation allows each plate to be manufactured separately using standard techniques, then assembled into the chamber, simplifying both manufacturing and maintenance compared to a single complex structure.
Solution Approach 2:
Each emitting plate has points arranged in a specific staggered pattern on its edges, creating localized emission zones. This local quality approach allows different regions of the chamber to have tailored emission characteristics, achieving fine-grained control while using simple, repeatable plate designs that are easy to manufacture.
3Productivity
If emitting structures are made orientable with adjustable voltage, then purification efficiency and ozone production are optimized, but device complexity increases
Solution Approach 1:
Each emitting plate can be independently oriented and voltage-controlled, creating a dynamic system that optimizes purification efficiency and ozone production based on operational needs. The orientable plates allow real-time adjustment of electric field distribution and gas flow patterns without requiring complex mechanical mechanisms.
Solution Approach 2:
The system optimizes performance by changing parameters (orientation angles and voltage levels) of the emitting structures rather than changing the physical structure itself. This allows efficient purification and controlled ozone production through parameter adjustment, maintaining relatively simple device architecture.
4Volume of moving object
If compact structure is implemented, then space efficiency is improved, but accessibility for maintenance may be reduced
Solution Approach 1:
The emitting structures are segmented into separate plates that can be independently accessed and removed from the compact chamber. This segmentation allows maintenance personnel to reach individual components within the compact design, facilitating easy cleaning and replacement without disassembling the entire device.
Solution Approach 2:
The emitting plates are designed to be extractable from the chamber through openings or access points, allowing them to be removed for maintenance while the rest of the compact structure remains intact. This extraction capability maintains compactness during operation while providing accessibility during maintenance cycles.
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 device achieves efficient particle filtration, flexible ozone production, and easy maintenance, suitable for various applications, including industrial and residential use, with the ability to be configured for different flow directions and voltages.
Implementation Method 1
a corona discharge electrostatic precipitator with a cylindrical longitudinal casing containing a longitudinal passage for the gases to be treated
Implementation Method 2
The collecting structure has a plurality of cavities forming compartments for trapping particles contained in the gaseous medium
Data Source
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AI summary
A device for purifying a particle-laden gaseous medium, comprising: an electrostatic filtering chamber (11) having a passage for the particle-laden gaseous medium; suction means (12) for extracting the gaseous medium freed of the particles of same from the chamber, characterised in that the chamber comprises a plurality of emitting structures (23, 23', 23'') arranged in the passage, one after another, between the inlet and the outlet of the chamber, and, to either side of said emitting structures, collecting structures (22) designed to trap the particles contained in the gaseous medium, each emitting structure being in the form of a plate designed to force the gaseous medium to flow adjacent to the collecting structures and comprising, at the periphery of same, tips (26, 26'') directed towards the collecting structures.