Helical Vortex Separator for Fluid Purification
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Solution Overview
Problem
Current air purification technologies, such as cyclones, face challenges in efficiently separating solid particles and liquid droplets from fluid streams, particularly in demanding applications where existing designs do not effectively manage laminar flow and pressure loss, leading to suboptimal separation efficiency.
Innovation Solution
A separator device with a vortex section featuring a core body with a conical shape, tapering in the flow direction, and helical channels that facilitate a swirling motion, combined with a cyclone pre-separator and secondary fluid inlets/outlets to enhance particle separation and pressure control, ensuring laminar flow and efficient particle enrichment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cyclone separator is used for particle separation, then separation capability is provided, but pressure loss increases and separation efficiency decreases in demanding applications
Solution Approach 1:
The separator is divided into distinct functional sections: a cyclone section for initial particle separation, a vortex section with helical channels for further purification, and a separation section for final stream division. This segmentation allows each section to optimize its specific function while reducing overall pressure loss compared to a single-cyclone design.
Solution Approach 2:
The invention introduces a helical vortex flow dimension within the separator, transitioning from conventional radial cyclone flow to a three-dimensional helical motion. This vortex flow pattern enhances particle separation efficiency while maintaining lower pressure loss by utilizing the rotational motion to keep particles suspended and separated more effectively.
2Ease of operation
If conventional cyclone design is used, then simple structure is maintained, but laminar flow control and pressure loss management are insufficient
Solution Approach 1:
Different sections of the separator have specialized local structures: the cyclone section has tangential inlet for initial separation, the vortex section has helical channels with specific pitch and diameter ratios optimized for laminar flow, and the separation section has outlet configurations tailored for stream division. Each local region is optimized for its specific flow control function.
Solution Approach 2:
The helical channels in the vortex section utilize specific geometric parameters (pitch, diameter, angle) that are optimized to generate and maintain laminar flow conditions. By carefully controlling these parameters, the system achieves superior flow control and pressure loss management while maintaining reasonable structural complexity.
3Productivity
If single-stage separation is used, then device simplicity is maintained, but separation efficiency is suboptimal
Solution Approach 1:
The invention merges multiple separation mechanisms into a single integrated device: cyclone separation in the first section, helical vortex separation in the second section, and final stream division in the third section. This combination achieves high separation efficiency equivalent to multi-stage systems while maintaining a single-unit structure that is easier to operate and maintain.
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 effectively separates solid particles and liquid droplets by utilizing centrifugal forces within the helical channels, stabilizing the flow to achieve a purified stream and a particle-enriched stream, improving separation efficiency and allowing for the recycling of particle-enriched fractions to enhance the cyclone's performance.
Implementation Method 1
The removal of impurities from air is a long-existing problem, the importance of which is significantly growing due to the pollution problems of today. A basic technical solution for separating solid particles from a fluid stream is the cyclone.
Implementation Method 2
A basic technical solution for separating solid particles from a fluid stream is the cyclone.
Implementation Method 3
The first end of the core body, widening in the flow direction, controls the incoming fluid comprising particles and droplets in a helical channel in a laminar manner, wherein the particles and droplets of the stream move in smooth parallel upstream layers without mixing with each other.
Data Source
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AI summary
A device (1) is provided for separating solid particles or liquid droplets from a fluid. The device comprises an entry tube (2) having an inlet port (3) for receiving a fluid flow and a vortex section (4), the diameter of which decreases in the flow direction. The vortex section comprises at least one internal wall (6) forming at least one helical channel. The helical channel preferably surrounds a core body extending along a central axis of the entry tube. The varying diameter end sections of the core body preferably have a conical shape. The device further comprises an annular exit port section (8) having at least one peripheral exit opening (9), and an outlet tube (10) extending along the central axis. According to an embodiment, the device is provided with a pre-separation unit in the form of a cyclone.