Multi-directional Submersible Aerator Seat for Even Air Distribution
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Solution Overview
Problem
Conventional submersible floating aerators experience significant eccentric vibration, uneven aeration, low aeration efficiency, and dead spaces during oxygen aeration in wastewater treatment.
Innovation Solution
A multi-directional submersible floating aerator design featuring a gas-ring compressor, base, gas inlet tube, multi-directional seat, submersible hollow shaft motors, and propellers, which evenly distributes compressed air through multiple openings to enhance aeration efficiency and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional submersible floating aerator with a single axial hole is used, then the structure is simple, but the aeration is uneven and efficiency is low
Solution Approach 1:
The seat is divided into multiple directional openings (first, second, and third openings) that distribute compressed air to different locations. The first opening connects to the gas inlet tube, while the second and third openings are positioned at different angles to spray air in multiple directions, achieving even aeration distribution without requiring a complex overall device structure.
Solution Approach 2:
Different openings are positioned at specific locations and angles to target different regions for aeration. The first opening is located at the top connecting to the gas inlet tube, while the second and third openings are positioned at different angular positions, creating localized aeration zones that collectively achieve uniform coverage across the water surface.
2Reliability
If a conventional aerator design is used, then the device is simple, but eccentric vibration occurs during operation
Solution Approach 1:
The propeller and impeller are combined into a coaxial rotating assembly that rotates together around the same axis. This merged structure ensures balanced mass distribution and eliminates eccentric vibration by preventing uneven rotational forces, while the separate seat and gas distribution system maintain structural simplicity.
Solution Approach 2:
The seat is designed with asymmetric positioning of openings at different angles and heights, while the propeller and impeller form a symmetric coaxial rotation system. This asymmetric seat distribution combined with symmetric rotation creates balanced forces that reduce vibration, achieving operational stability without requiring complex vibration damping mechanisms.
3Productivity
If a single-direction air ejection is used, then the device structure is simple, but dead space exists during oxygen aeration
Solution Approach 1:
The air ejection system transitions from a single-direction axial flow to a multi-dimensional distribution system. The first opening provides axial flow, while the second and third openings are positioned at different angles to create radial and tangential flow components, achieving three-dimensional air distribution that eliminates dead spaces and improves oxygen aeration efficiency throughout the water column.
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 design achieves stable, large-area, and efficient aeration with reduced vibration, eliminating dead spaces and significantly improving oxygen aeration efficiency in wastewater treatment.
Implementation Method 1
an impeller is disposed at the front of the propeller, and the impeller and the propeller rotate coaxially
Implementation Method 2
for the purpose of mixing in air and increasing the dissolved oxygen (DO) content of the liquids
Implementation Method 3
the seat is multi-directional, the first opening is connected to the gas inlet tube, and the second openings are connected to the submersible hollow shaft motors
Data Source
AI summary
A multi-direction submersible floating aerator has a gas-ring compressor (4), a base (6), a gas inlet tube (9), a seat (11), multiple submersible hollow shaft motors (13), and multiple propellers (14). The base (6) is disposed between the gas-ring compressor (4) and the gas inlet tube (9). The propeller (14) is coaxially connected to the submersible hollow shaft motor (13). The seat (11) is disposed between the gas inlet tube (9) and the submersible hollow shaft motor (13). The seat (11) is hollow. A first opening is disposed at the top of the seat (11), and multiple second openings are disposed on one side of the seat (11). The seat (11) is used for evenly distributing compressed air. Thus, the aeration is more even and stable, and aeration efficiency is greatly improved.