Vortex Separation Zone for Hydrocarbon Water Remediation
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Solution Overview
Problem
Current methods for separating hydrocarbons from water in industrial processes, such as in oil and gas production, are inefficient and often result in incomplete separation, leading to residual contaminants in processed water.
Innovation Solution
A system comprising a vessel with a vortex generation zone having a tapered wall, where the fluid mixture is introduced at an angle to induce rotational flow, and gas is introduced to alter the density of components, facilitating the separation of hydrocarbons from water through centripetal and centrifugal forces, with separate outlets for each component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional separation methods (hydrocyclones, gravity separation, air/gas flotation) are used, then water recovery is facilitated, but separation is incomplete resulting in residual hydrocarbon contaminants
Solution Approach 1:
The patent applies dynamic rotational flow within the vortex chamber to enhance separation. The tangential inlet creates a spinning motion that generates centrifugal forces, dynamically adjusting the separation process rather than using static gravity-based methods. This dynamic approach allows for more complete separation of hydrocarbons from water.
Solution Approach 2:
The patent introduces gas (air) through spargers located at the center of the vortex chamber. These gas bubbles attach to hydrocarbon droplets, reducing their density and enhancing their migration to the center of the vortex where they can be removed. This pneumatic assistance improves separation completeness and reduces residual contaminants.
2Productivity
If simple gravity separation is used, then device complexity is low, but separation efficiency and productivity are insufficient
Solution Approach 1:
The separation apparatus is segmented into distinct functional zones: a vortex chamber for rotational separation, a gas injection system with spargers, and separate outlet streams for water and hydrocarbons. This segmentation allows each component to perform its specific function efficiently, improving overall productivity while maintaining manageable complexity.
Solution Approach 2:
The patent changes the flow parameters by introducing tangential velocity through the angled inlet and gas bubble concentration through spargers. These parameter changes transform the separation process from simple gravity-based to a more efficient rotational-flotation process, significantly improving separation efficiency and productivity.
3Manufacturing precision
If gas flotation is used to enhance separation, then hydrocarbon removal is improved, but device complexity and operational complexity increase
Solution Approach 1:
The patent merges rotational vortex separation with gas flotation in a single integrated chamber. The vortex chamber and gas injection system work together synergistically, combining two separation mechanisms into one apparatus. This merging improves separation quality while avoiding the need for multiple separate devices, thereby limiting the increase in device complexity.
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 method effectively separates hydrocarbons from water, improving the efficiency of water remediation by enhancing the separation process through rotational momentum and gas introduction, leading to higher purity of both phases.
Implementation Method 1
separating fluids having different densities... impart a confined rotational momentum to the components... separation of hydrocarbons from water through centripetal and centrifugal forces
Implementation Method 2
vortex generation zone... direct the fluid mixture upward... fluid mixture rises through the vortex generation zone as the cross sectional area of the vortex generation zone reduces
Implementation Method 3
introducing gas into the fluid mixture... gas bubbles... attach themselves to the components... transport... to the surface
Data Source
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AI summary
An apparatus and method for separating components of a fluid mixture. The apparatus includes a vortex generation zone shaped as an inverse truncated cone, a solids collection zone, a separation zone, one or more fluid inlets, one or more gas inlets, one or more fluid outlets, and one or more gas outlets. Gas is introduced into fluid in the vortex separation zone to facilitate the separation of components of the fluid mixture.