Rotary Gas Cyclone Separator With Dual-Ducted Filtering Vortex Finder
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Solution Overview
Problem
Existing gas cyclone separators have low separation efficiency for fine and light particles due to their design, which fails to effectively remove particles as small as 1 μm from air streams in industrial processes.
Innovation Solution
A rotary gas cyclone separator with a dual-ducted filtering vortex finder, comprising a cylindrical-conical cyclone body, a dust hopper, a gas outlet, a wave-shaped filtering vortex finder, and a rotary brush that sweeps the inner surface of the filter, creating dual vortices for enhanced particle separation and preventing accumulation of fine particles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional cyclone separator design is used, then the structure remains simple and cost remains low, but the separation efficiency for fine particles deteriorates
Solution Approach 1:
The cyclone separator is divided into distinct functional zones: an upper cylindrical section for initial separation, a lower conical section for particle collection, and a central vortex finder region for fine particle removal. This segmentation allows each zone to optimize for its specific separation task, improving overall efficiency for fine particles while maintaining structural clarity
Solution Approach 2:
The vortex finder is nested within the cyclone body, and the dust collection hopper is nested at the bottom of the conical section. This nested arrangement allows multiple functional components to occupy different spatial levels without increasing the overall footprint, enhancing separation capability while controlling structural complexity
2Manufacturing precision
If the cyclone body uses only a cylindrical shape, then the manufacturing is simpler, but the separation efficiency for fine particles deteriorates
Solution Approach 1:
The cyclone body is segmented into two distinct geometric sections: a cylindrical upper section that maintains manufacturing simplicity, and a conical lower section that enhances particle separation efficiency. The cylindrical portion is easier to manufacture, while the conical portion creates the necessary flow dynamics for fine particle removal
Solution Approach 2:
The transition from a purely cylindrical shape to a cylindrical-conical combination introduces curved surfaces and angular transitions that optimize gas flow patterns. The conical section creates a more effective vortex flow that improves separation of fine particles, while the cylindrical section maintains manufacturing ease
3Reliability
If no rotary brush is used, then the device complexity is lower, but fine particles accumulate on the filter surface
Solution Approach 1:
A rotary brush mechanism is introduced that rotates to continuously sweep the inner surface of the filter. This dynamic component prevents fine particles from accumulating on the filter surface by mechanically removing them, ensuring continuous operation and maintaining separation efficiency over time
Solution Approach 2:
The rotary brush performs self-cleaning of the filter surface, allowing the system to maintain its separation efficiency without external intervention. The brush continuously removes accumulated particles, enabling the separator to operate continuously without manual maintenance
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 significantly improves the separation efficiency of fine particles, ensuring that particles as small as 1 μm are effectively removed from the air stream, preventing their accumulation and ensuring continuous operation of the separator.
Implementation Method 1
particles are separated based on the balance between inertial and fluid forces acting on the particles in a flow field
Implementation Method 2
a generally cylindrical wave-shaped filter having first and second opposed ends and having a diameter smaller than a diameter of said outer cylindrical casing
Implementation Method 3
a rotary brush being connected coaxially to said elongated shaft, said rotary brush having a radial dimension such that peripheral radial edges of said rotary brush sweeps an inner surface of the wave-shaped filter
Data Source
AI summary
The present invention provides a device for removing particulate matter from an air stream, and more particularly the present invention relates to a rotary gas cyclone separator with a dual-ducted filtering vortex finder for separating fine particles as small as 1 μm from an air stream.