Integrated Aeration System Using Water Jet Entrainment
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Solution Overview
Problem
Conventional aeration systems are costly, inefficient, and require high energy consumption due to the use of compressors and mechanical components, limiting their portability and maintenance efficiency, especially in applications requiring immediate and efficient oxygen transfer in water bodies.
Innovation Solution
An integrated aeration system utilizing a water pump to entrain ambient air with a circulating water jet, which breaks into bubbles and builds headspace pressure, allowing for controlled release to aerate a separate tank without the need for compressors, enabling efficient and portable oxygen transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If compressors are used for diffused aeration, then air can be introduced under high pressure, but operational cost increases
Solution Approach 1:
The patent removes the compressor component entirely from the aeration system. Instead of using a compressor to pressurize air, the system uses a water pump to create a water jet that entrains and pressurizes air through hydrodynamic action, thereby eliminating the operational cost associated with compressor while still achieving the necessary air pressure for effective aeration
Solution Approach 2:
The system employs hydraulic principles where a water pump generates a high-velocity water jet that entrains air and creates pressurized air-water mixture through hydrodynamic interaction. This hydraulic approach replaces the traditional pneumatic compressor system, achieving air pressurization through water-driven mechanisms rather than mechanical compression
2Reliability
If mechanical aeration utilizing impellers is used, then aeration can be achieved, but energy consumption increases
Solution Approach 1:
The patent replaces the mechanical impeller-based aeration system with a hydrodynamic jet system. Instead of using rotating impellers to agitate water and transfer oxygen, the system uses a water jet to entrain air and create fine bubbles through hydrodynamic cavitation and shear forces, achieving effective aeration with lower energy consumption by substituting mechanical rotation with fluid dynamic forces
3Productivity
If plunging liquid jets are used for aeration, then oxygen transfer can be promoted, but bubble size control is limited
Solution Approach 1:
The system incorporates adjustable parameters including water flow rate, nozzle diameter, and jet velocity that dynamically control bubble formation and size distribution. By varying these operational parameters, the system can optimize bubble size for different aeration requirements, providing dynamic control over the aeration process and bubble characteristics
Solution Approach 2:
The patent utilizes parameter changes in the water jet system (flow rate, pressure, nozzle geometry) to control bubble size and distribution. By adjusting these physical parameters of the water jet, the system can produce different bubble sizes and maintain optimal oxygen transfer rates, offering operational flexibility and control
4Reliability
If conventional aeration systems are used, then aeration function is provided, but portability is limited
Solution Approach 1:
The patent removes heavy components such as compressors, large motors, and complex mechanical drive systems from the aeration setup. The simplified system using a water pump and jet nozzle configuration reduces overall system weight and complexity while maintaining effective aeration function, thereby improving portability and ease of deployment in various locations
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 system achieves efficient oxygen transfer with reduced energy consumption and lower operational costs by utilizing a water pump to create a portable and easily controlled aeration process, enhancing dissolved oxygen concentration and aeration efficiency.
Implementation Method 1
Ambient air/gas is entrained by a circulating water jet induced by the pump
Implementation Method 2
The entrained gas is broken into bubbles after the impingement between the jet and a receiving pool occurs
Implementation Method 3
The entrained gas/air builds up headspace pressure above the water pool
Data Source
AI summary
The integrated aeration system utilizes a water pump for aeration. Ambient air/gas is entrained by a circulating water jet induced by the pump. The circulating water jet enters a sealed tank. The entrained gas is broken into bubbles after the impingement between the jet and a receiving pool occurs, aerating the receiving pool by water jet spray. The entrained gas/air builds up headspace pressure above the water pool, the headspace pressure being measured by a pressure gauge. The trapped air above the water pool is released when the headspace pressure increases to reach a desired value to aerate a separate tank/container as a diffused aeration or any other aeration process.