Aerated Hydrocyclone With Porous Barrier for Clogging Control
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Solution Overview
Problem
Existing hydrocyclones face issues with clogging during particle separation processes and high hydrodynamic losses due to unrecovered kinetic energy, leading to inefficiencies and the need for user intervention to unclog the device.
Innovation Solution
An aerated hydrocyclone apparatus with a cylindrical central body and a porous barrier that uses pressurized gaseous fluid to enhance cyclonic motion, featuring a porous barrier with secondary openings for fluid flow and a design that prevents slurry from contacting the porous material, reducing clogging and enhancing separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a porous barrier is used to separate particles from slurry, then separation efficiency is improved, but clogging of the device occurs
Solution Approach 1:
Pressurized gas is introduced as an intermediary substance that flows through the porous barrier, creating gas bubbles that attach to particles and facilitate their removal. This intermediary gas phase prevents direct contact between slurry and the porous barrier surface, reducing clogging while maintaining separation efficiency through the barrier's filtration function.
Solution Approach 2:
The introduction of pressurized gas changes the physical parameters within the hydrocyclone, creating a two-phase (gas-liquid) flow system. This parameter change modifies the flow dynamics, reducing the tendency of slurry to adhere to the porous barrier and preventing clogging while preserving the separation function.
2Device complexity
If traditional hydrocyclone design is used, then device simplicity is maintained, but hydrodynamic losses increase due to unrecovered kinetic energy
Solution Approach 1:
The gas injection system operates continuously, maintaining a steady stream of gas bubbles that continuously attach to particles and enhance their removal. This continuous action ensures sustained kinetic energy utilization and prevents energy loss that would occur with intermittent operation or clogging events.
Solution Approach 2:
The invention utilizes pneumatic principles by introducing pressurized gas into the hydrocyclone system. The gas flow interacts with the liquid slurry to create a two-phase flow that enhances particle separation and energy recovery, applying pneumatic-hydraulic coupling to reduce hydrodynamic losses while maintaining operational simplicity.
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 apparatus effectively prevents clogging and enhances separation efficiency by maintaining cyclonic motion, reducing hydrodynamic losses, and allowing continuous operation without the need for user intervention.
Implementation Method 1
The pressurized fluid port may be configured to receive pressurized gaseous fluid to generate a hydrocyclone within the apparatus
Implementation Method 2
The porous barrier may include secondary barrier openings. The second barrier openings may facilitate flows of pressurized gaseous fluid through the porous barrier
Implementation Method 3
The slurry may then flow through the first cyclone opening into the interior side of the porous barrier to be separated by the hydrocyclone
Data Source
AI summary
The embodiments disclose a hydrocyclone apparatus for separating particles from a slurry including a central body wall extending from a first opening at one end to a second opening at the opposite end, an air base column coupled to the second opening configured to support the hydrocyclone, at least one slurry from a group of containing water with solid particles, hydrophobic particles, or saltwater particles configured to be flowed into the hydrocyclone apparatus, a first volute coupled to the first opening slurry input port configured to allow slurry to flow from the volute into the central body, an overflow opening coupled to the first opening configured to recover separated water and hydrophobic particles, a second volute coupled to the second opening exhaust port configured to allow slurry to exit the central body, and a plurality of underflow exit openings coupled to the exhaust port that expel particles from the apparatus.