Parallel Tubular Aerator Vortex Mixing for FOG Breakdown
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The presence of fats, oils, and grease (FOG) in sewage pump stations leads to pipe blockages, reduced flow rates, increased maintenance, and corrosion due to hydrogen sulfide, affecting pump efficiency and safety.
Innovation Solution
A submersible pump station aerator and mixer with parallel aerators, emitting uniform air bubbles to create a vortex motion, breaking up FOG and reducing hydrogen sulfide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional single aerator design is used, then device complexity is low, but aeration efficiency and mixing capability are insufficient to effectively break up FOG and reduce hydrogen sulfide
Solution Approach 1:
The single aerator is divided into multiple parallel aerators (first aerator and second aerator) that operate simultaneously. Each aerator has its own air supply line and diffuser, allowing independent control and optimization of air flow patterns to enhance overall aeration efficiency and FOG breakdown capability.
Solution Approach 2:
Multiple aerators are combined in a parallel configuration within the same apparatus, merging their air bubble streams to create enhanced turbulence and vortex motion. This combination allows the system to achieve superior mixing and FOG disruption compared to a single aerator while maintaining a unified structural framework.
2Productivity
If air is supplied at high flow rates to break up FOG, then FOG breakdown efficiency improves, but energy consumption increases
Solution Approach 1:
The total air flow required for effective FOG breakdown is segmented and distributed across multiple parallel aerators. Each aerator receives a portion of the total air flow, allowing the system to achieve the necessary turbulence and mixing efficiency while reducing the air flow rate requirement per aerator and overall energy consumption compared to a single aerator handling the entire load.
3Productivity
If multiple parallel aerators are used to enhance mixing and turbulence, then FOG breakdown improves, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The apparatus is segmented into modular aerator units that can be manufactured separately and then assembled. Each aerator module includes its own air supply line, diffuser, and support structure, allowing for standardized manufacturing processes and easier assembly than a monolithic design. This modularity simplifies production while enabling the complex parallel configuration needed for effective mixing.
4Area of stationary object
If the aerator apparatus is positioned deep in the sump, then aeration coverage improves, but the weight of the apparatus increases
Solution Approach 1:
The apparatus weight is segmented and distributed across multiple support points and aerator mounts rather than concentrated in a single heavy structure. The parallel aerators are mounted on separate support elements that distribute the load, allowing the apparatus to be positioned deep in the sump for comprehensive aeration coverage while reducing the weight concentration that would require heavier construction materials.
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
Enhances mixing and turbulence to break up FOG, reduces corrosion, and minimizes hydrogen sulfide levels, improving pump efficiency and operational safety.
Implementation Method 1
The rising air bubbles from the aerators creates a vortex motion between the streams
Implementation Method 2
creating more mixing and turbulence in the water to better break up the FOG and mix the body of water
Implementation Method 3
This air rising from beneath the water not only aerates and mixes the water
Data Source
AI summary
Methods, systems, and apparatuses to create a vortex motion between in parallel aerators air bubble flows in water to break up the Fats, Oils, and Grease, increase mixing of the body of water, and reduce the concentration of hydrogen sulfide in the water.