Gas Treatment Device With Ionic Wind And Condensation Channels
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Solution Overview
Problem
Existing gas treatment devices face challenges in efficiently collecting small particles at industrial pressures and temperatures, with high operational costs and recirculation issues, particularly in achieving low pressures and thermal conditioning for steam condensation.
Innovation Solution
A gas treatment device with an electrode and humidifier generating an ionic wind within an enclosure, featuring channels for guiding the flow of steam or liquid water, which enhances particle collection and operates at ambient temperature and atmospheric pressure, simplifying industrial implementation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If steam condensation is used to trap particles, then particle collection efficiency is improved, but thermal conditioning cost and device complexity increase
Solution Approach 1:
The enclosure wall itself serves as the condensation surface, eliminating the need for separate thermal conditioning systems. The wall's natural temperature allows steam to condense directly on it, trapping particles in the condensed droplets without requiring additional cooling equipment or energy input.
Solution Approach 2:
The invention extracts the condensation function from a separate thermal conditioning system and integrates it directly into the enclosure wall structure. This removes the complexity of thermal management systems while maintaining the particle trapping mechanism through direct condensation on the wall surface.
2Productivity
If low pressure operation is used to enable steam condensation, then particle collection efficiency is improved, but operational difficulty in industrial environments increases
Solution Approach 1:
The system operates at atmospheric pressure by utilizing the enclosure wall's natural temperature to enable steam condensation. This self-service approach eliminates the need for vacuum systems or pressure control equipment, making the device easy to operate in industrial environments while maintaining effective particle collection.
3Device complexity
If dry running electrostatic collection is used, then device simplicity is improved, but small particle collection efficiency decreases
Solution Approach 1:
The invention changes the physical state of water from liquid to vapor and back to liquid within the system. Steam is introduced into the enclosure, and upon condensing on the cooler wall surface, it forms droplets that effectively trap small particles through condensation, significantly improving collection efficiency for fine particles compared to dry electrostatic collection.
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 effectively collects particles using ionic wind and condensation, reducing operational costs and complexity, while maintaining efficiency in particle collection and simplifying industrial use.
Implementation Method 1
the electrode being able to generate an ionic wind circulating towards a counter-electrode which delimits a wall of the enclosure
Implementation Method 2
particles are trapped in droplets of condensed vapor
Data Source
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AI summary
This gas treatment device (1) comprises: - an electrode (4) placed in a chamber (2) having a first gas inlet (Eg) and a first gas outlet (Sg), the electrode (4) being capable of generating an ionic wind (V) flowing towards a counter electrode that delimits a wall (21) of the chamber (2), - a generator (6) that generates a flow circulating in the chamber (2) between a second inlet (Ev) and a second outlet (Sv). According to the invention, the wall (21) of the chamber (2) has channels (31) for guiding a flow (F2) and the second inlet (Ev) is located above the channels (31).