Micro-bubble Generator Tangent Inlet and Perpendicular Discharge
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Solution Overview
Problem
Conventional swirl type micro-bubble generation devices are inefficient in producing bubbles with a particle size of a nanometer order and require significant energy for generation.
Innovation Solution
A micro-bubble generator design featuring a swirl chamber with a fluid introduction opening tangent to its inner surface and a discharge tube that penetrates the chamber wall, allowing the fluid to circulate and reduce kinetic energy loss, thereby generating smaller micro-bubbles efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional swirl type micro-bubble generation devices are used, then bubbles can be generated, but the bubble size cannot be reduced to nanometer order and energy consumption is high
Solution Approach 1:
The discharge opening is segmented into multiple openings arranged in a circular pattern around the central axis, allowing the fluid stream to be divided into multiple smaller streams that generate smaller micro-bubbles. This segmentation enables nanometer-order bubble size control while reducing energy consumption compared to conventional single-opening designs.
Solution Approach 2:
The discharge openings are arranged in a circular pattern in the radial direction (third dimension) rather than linearly, creating a multi-dimensional discharge structure. This circular arrangement in the radial direction allows the fluid to be discharged in multiple directions simultaneously, generating smaller micro-bubbles and reducing kinetic energy loss.
2Loss of energy
If the discharge tube penetrates the wall surface and protrudes into the swirl chamber, then the fluid path is isolated and kinetic energy loss is reduced, but the device structure becomes more complex
Solution Approach 1:
The discharge tube is nested within the swirl chamber structure, with the tube penetrating the wall surface and protruding into the chamber. This nested configuration isolates the fluid path effectively, reducing kinetic energy loss while the compact nested design minimizes overall device complexity.
Solution Approach 2:
The discharge tube acts as an intermediary structure that connects the external discharge opening to the internal swirl chamber. This intermediary element isolates the fluid path and reduces kinetic energy loss by providing a controlled pathway for the fluid to circulate and discharge, while its simple tubular geometry avoids adding excessive structural 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
The design effectively reduces micro-bubble size and enhances energy efficiency in generating nanometer-scale bubbles, as demonstrated by the particle size distribution showing many bubbles within the 10 nm to 300 nm range.
Implementation Method 1
a swirl chamber; a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber
Implementation Method 2
a discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced, wherein the discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber
Implementation Method 3
by isolating a path of the introduced fluid, a loss of kinetic energy of a swirl flow of the fluid can be reduced
Data Source
AI summary
An object is to provide a micro-bubble generator, etc., capable of efficiently generating bubbles having a particle size of a nanometer order. One aspect of the present invention is a micro-bubble generator provided with a swirl chamber, a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber, and a discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced. The discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber. According to the present configuration, by isolating a path of the introduced fluid, a loss of kinetic energy of a swirl flow of the fluid can be reduced. Thus, the micro-bubble generator capable of reducing the size of the generated micro-bubbles can be obtained.