Electrostatic Precipitator Using CNT Emitter for Ozone Reduction
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Solution Overview
Problem
Conventional electrostatic precipitators face challenges in maintaining charge balance, generating ozone, high power consumption, and low dust collection efficiency due to corona discharge, and are unable to adjust characteristics based on dust collection environments.
Innovation Solution
An electrostatic precipitator with an electromagnetic wave tube using a carbon nanotube-based emitter that ionizes microparticles and adjusts tube voltage based on contamination levels, reducing ozone generation and optimizing power usage by maximizing ionization efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If corona discharge is used to ionize microparticles, then ionization is achieved, but ozone is generated and charge balance is difficult to maintain
Solution Approach 1:
The patent replaces the conventional corona discharge method with an electromagnetic wave-based ionization system. The electromagnetic wave tube emits electromagnetic waves that directly ionize microparticles without requiring high-voltage corona discharge, thereby eliminating ozone generation while maintaining effective ionization for particle charging.
Solution Approach 2:
The patent changes the fundamental parameter of ionization from electrical breakdown (corona discharge) to electromagnetic wave interaction. This parameter change allows ionization to occur without the harmful byproducts of corona discharge, particularly ozone, while maintaining charge balance through controlled electromagnetic wave emission.
2Adaptability or versatility
If conventional electrostatic precipitators operate at fixed power, then simple operation is maintained, but power efficiency is low and cannot adapt to contamination levels
Solution Approach 1:
The patent implements dynamic power adjustment capability in the electromagnetic wave tube system. The tube voltage can be adjusted in real-time based on contamination levels, allowing the system to adapt to varying operating conditions. This dynamic control optimizes power efficiency while maintaining simplicity through automated adjustment.
Solution Approach 2:
The system incorporates feedback control where the contamination level is monitored and used to adjust the electromagnetic wave tube voltage accordingly. This feedback mechanism enables automatic adaptation to changing conditions, improving power efficiency without requiring complex manual control systems.
3Productivity
If high voltage is applied to maximize ionization, then ionization efficiency increases, but power consumption increases
Solution Approach 1:
The patent changes the ionization mechanism from high-voltage electrical breakdown to electromagnetic wave interaction. This parameter change allows effective ionization at lower power levels, as electromagnetic waves can ionize particles without requiring the high voltages and associated power consumption of conventional corona discharge systems.
Solution Approach 2:
The patent substitutes the high-power corona discharge system with an electromagnetic wave-based system that achieves comparable or superior ionization efficiency at reduced power consumption. This substitution eliminates the need for high-voltage power supplies and reduces overall energy usage while maintaining productivity.
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 enhances collection efficiency and power efficiency while maintaining charge balance, reducing ozone generation and improving air quality by adjusting tube voltage according to contamination levels.
Implementation Method 1
an electromagnetic wave tube which uses a carbon nanotube (CNT)-based emitter
Implementation Method 2
ionize microparticles in contaminated air introduced from outside by emitting an electromagnetic wave
Implementation Method 3
the charger is further configured to adjust the tube voltage of the electromagnetic wave based on the contamination level of the contaminated air
Implementation Method 4
a collector configured to collect the ionized microparticles to discharge clean air
Data Source
AI summary
This application relates to an electrostatic precipitator with an electromagnetic wave tube comprising a carbon nanotube (CNT)-based emitter. The electrostatic precipitator includes a charger configured to include the CNT-based emitter and ionize microparticles, in contaminated air introduced from the environment, by emitting an electromagnetic wave. The electrostatic precipitator further includes a collector configured to collect the ionized microparticles to discharge clean air.