Electrostatic Dust Collector with Ozone Filter and Tungsten Wire
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Solution Overview
Problem
Current electrostatic air purifiers require higher DC voltage and discharge intensity for effective dust collection, leading to ozone production that is difficult to control within environmental standards, limiting their purification efficiency.
Innovation Solution
An electrostatic dust collector-purifier design featuring a washable metal dust collection support, an ozone filter, and a high-voltage tungsten wire assembly with a 25 mm distance for optimal charge field generation, reducing ozone production and enhancing PM2.5 purification efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If higher DC voltage and discharge intensity are used to improve dust collection effect, then dust collection efficiency is improved, but ozone production increases and becomes difficult to control within environmental standards
Solution Approach 1:
The patent introduces an ozone filter that converts the harmful ozone byproduct into a beneficial component of the purification system. The ozone filter captures and neutralizes excess ozone generated during high-voltage electrostatic precipitation, transforming this environmental hazard into a controlled element that maintains purification effectiveness while meeting environmental standards.
Solution Approach 2:
The ozone filter serves as an intermediary component between the high-voltage discharge system and the environment. It mediates the interaction by selectively removing ozone from the air stream while allowing purified air to pass through, thus decoupling the dust collection process from harmful ozone emission.
2Object-generated harmful factors
If metal dust collection support is made washable and reusable, then environmental pollution is reduced, but device complexity increases
Solution Approach 1:
The patent implements a recoverable dust collection system where the metal dust collection support and metal electrode sheet are designed to be washable and reusable. Instead of discarding these components after use, they can be cleaned and reused multiple times, significantly reducing waste and environmental pollution while maintaining effective dust collection performance.
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 design effectively captures microparticles and reduces ozone production, improving air purification efficiency while minimizing environmental impact through reusable components and targeted ozone filtration.
Implementation Method 1
When high-voltage direct current is input between the two electrodes, anions and cations will be generated in an electrode space and act on the surface of the exhaust gas particles passing through the electrostatic field, and the exhaust gas particles move to the electrodes with opposite polarity under the action of the electric field force and are deposited on the electrodes to achieve dust collection
Implementation Method 2
the exhaust gas particles move to the electrodes with opposite polarity under the action of the electric field force
Implementation Method 3
absorbing released ozone
Data Source
AI summary
An electrostatic dust collector-purifier is provided, which includes a top cover, a base, two side baffles, a front grille, and a rear grille, characterized by: a power generation mechanism, the power generation mechanism being located inside the base and including a high-voltage generator, a low-voltage terminal fixedly connected to one side of the high-voltage generator, and a ground terminal fixedly connected to one side of the high-voltage generator; a dust collection mechanism, the dust collection mechanism being located between the base and the top cover, the dust collection mechanism including a metal dust collection support and a metal electrode sheet fixedly connected to the interior of the metal dust collection support, the metal dust collection support being washable and reusable; and a filtering mechanism, the filtering mechanism being located between the base and the top cover.