Variable-Angle Baffle Sub-Separator for Air-Liquid Separation
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Solution Overview
Problem
Conventional air-liquid separation assemblies suffer from ineffective utilization of flow area, non-uniform downstream flow distribution, and high pressure drop due to the arrangement of baffles in sub-separators, leading to inefficient separation and increased space occupation.
Innovation Solution
The air-liquid separation assembly incorporates a sub-separator with a variable-angle baffle arrangement, featuring a plurality of slots positioned at different angles to direct fluid flow uniformly and reduce re-entrainment, allowing for improved separation efficiency and reduced space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional baffles with hooks are used to direct fluid flow and collect separated oil, then oil collection function is improved, but device complexity and space occupation increase
Solution Approach 1:
The patent removes the hook feature from the baffle structure, extracting the oil collection function from the flow direction element. Oil collection is handled by a separate trough structure, while baffles focus solely on directing fluid flow through variable-angle slots.
Solution Approach 2:
The baffle structure is simplified to perform only flow direction function, while the trough handles oil collection. This functional separation allows each component to be optimized for its specific purpose without the complexity of multi-functionality in a single element.
2Reliability
If baffles are arranged to define separate parallel flow paths, then flow distribution is improved, but space occupation increases
Solution Approach 1:
The patent transitions from parallel flow paths to series flow paths arranged in a staggered configuration. Fluid flows through multiple baffles in sequence, with each baffle deflecting flow at different angles, achieving flow distribution without requiring parallel path space.
Solution Approach 2:
The baffles are arranged in a staggered configuration where the flow direction changes dynamically as fluid passes through each baffle. The variable angles create a progressive flow pattern that distributes fluid effectively through the available space.
3Reliability
If sudden change in flow direction is implemented at multiple points, then separation efficiency is improved, but pressure drop increases
Solution Approach 1:
The patent varies the angle of baffles at different positions in the series arrangement. Instead of uniform sudden deflections, the variable angles create a more gradual flow direction change pattern, reducing flow separation and pressure drop while maintaining separation efficiency.
4Ease of manufacture
If all slots are positioned at the same angle, then manufacturing simplicity is improved, but flow recirculation occurs reducing separation efficiency
Solution Approach 1:
The patent introduces asymmetric positioning of slots at different angles in the staggered baffle arrangement. This asymmetry prevents flow recirculation by directing fluid through variable paths, improving separation efficiency while the overall pattern remains systematically manufacturable.
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
This configuration enhances the separation efficiency by uniformly distributing fluid flow downstream, reducing carry-over of liquid particles, and minimizing pressure drop, while occupying less space compared to conventional designs.
Implementation Method 1
Each of the plurality of slots is positioned either between adjacent baffles of the sub-separator or between a baffle of the sub-separator and a portion of the housing. The plurality of slots are positioned next to each other in a direction substantially perpendicular to the direction of fluid flow through the housing such that each portion of the fluid flow flows through only one of the plurality of slots.
Implementation Method 2
The second subset of slots extends at a different angle than the first subset of slots such that fluid flows through the first subset of slots and the second subset of slots at different angles
Data Source
AI summary
An air-liquid separation assembly for separating air and liquid from an air-liquid mixture comprises a housing through which fluid flows, a main separator positioned within the housing, and a sub-separator. The sub-separator is positioned within the housing before or after the main separator and defines a plurality of slots. Each of the plurality of slots is positioned either between adjacent baffles of the sub-separator or between a baffle of the sub-separator and a portion of the housing. The plurality of slots are positioned next to each other in a direction substantially perpendicular to the direction of fluid flow through the housing. The plurality of slots comprises a first subset of slots and a second subset of slots. The second subset of slots extends at a different angle than the first subset of slots such that fluid flows through the first subset of slots and the second subset of slots at different angles.