Rotary Cellular Filter for High-Flow Air-Particle Separation
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Solution Overview
Problem
Existing cyclone-type air/particle separation devices are inadequate for handling significant air flow rates of several hundreds of liters per minute, limiting their effectiveness in treating air laden with particles such as oil, lubricant, or hydrocarbon.
Innovation Solution
An air/particle separation device incorporating a rotary filter made of cellular material, which channels laden air through a rotary filter that separates particles via centrifugal force, allowing for a higher flow rate by pivoting about an axis and utilizing an inner partition to direct air flow effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cyclone-type air/particle separation device is used, then the device structure is simple, but the device cannot handle significant air flow rates of several hundreds of liters per minute
Solution Approach 1:
The patent employs a rotary filter that rotates about a vertical axis, transforming the separation mechanism from a static cyclone structure to a dynamic rotating system. This rotation generates centrifugal force that actively pushes particles toward the peripheral zone, enabling the device to handle higher air flow rates while maintaining effective particle separation.
Solution Approach 2:
The container is divided into distinct functional zones: a central zone for air flow channeling, a peripheral zone for particle collection, and an inner partition that separates these regions. This segmentation allows the laden air to be directed through the rotary filter into the peripheral zone where particles are collected, improving the device's capacity to handle significant air flow rates.
2Productivity
If a cyclone-type separation device is used, then the device is easy to install externally on air pipes, but the device is not suitable for treating significant air flow rates
Solution Approach 1:
The rotary filter's rotation about a vertical axis creates a dynamic separation mechanism that can handle higher air flow rates. The rotating action generates centrifugal force that effectively separates particles from air, allowing the device to maintain high productivity while remaining suitable for external installation on air pipes.
Solution Approach 2:
The rotary filter is made of cellular material with porous structure that allows air to pass through while trapping particles. This porous material enables the filter to handle significant air flow rates efficiently, maintaining both high productivity and ease of external installation on air pipes.
3Reliability
If the rotary filter rotates at high speed, then particle separation efficiency is improved, but the energy consumption increases
Solution Approach 1:
The patent optimizes the rotation speed parameter of the rotary filter to achieve effective particle separation. By controlling the rotation speed within appropriate ranges, the device maintains high reliability in particle separation while minimizing excessive energy consumption. The rotation speed is balanced to generate sufficient centrifugal force for separation without unnecessary energy waste.
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 efficiently treats a greater flow rate of laden air by promoting particle separation and ejection, surpassing the limitations of cyclone-type devices in handling higher volumes of air.
Implementation Method 1
The rotation of the rotary filter promotes the separation of the air and particles present in the laden air, the migration of the separated particles toward the periphery of the rotary filter and the ejection thereof from the rotary filter by virtue of a centrifugal effect.
Implementation Method 2
said rotary filter comprising at least one block of cellular material configured to be passed through by the laden air
Data Source
AI summary
An air/particle separation device which comprises a container and a rotary filter positioned in the container, between a laden-air inlet and a treated-air outlet, the container is configured to channel air laden with particles through the rotary filter, the rotary filter comprises at least one block of cellular material configured to be passed through by the laden air and to promote the separation of the particles from the laden air and the ejection of the particles from the rotary filter which migrate, by virtue of the centrifugal effect, toward the periphery of the rotary filter.