Super-micro Bubble Generation via Porous Conductive Medium
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Solution Overview
Problem
Conventional methods for generating super-micro bubbles face issues such as device corrosion, mesh membrane depletion, and instability in particle size, limiting durability and installation flexibility, especially when used in poor-quality liquids.
Innovation Solution
A super-micro bubble generation device utilizing a high-density, electrically conductive bubble generation medium with a porous structure and a conical shape, combined with a liquid jetting system that jets liquid perpendicular to the bubble generation, and a covering material with low contact angle properties to prevent coalescence and enhance installation flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional methods use rotating wings or cutting tools to tear bubbles into super-micro bubbles, then large amounts of super-micro bubbles can be generated, but the fast rotation causes corrosion due to cavitation or abrasion, reducing device durability
Solution Approach 1:
The patent replaces the mechanical rotating wing or cutting tool system with a static porous hollow cylindrical body that has bubble generation holes formed on its surface. Gas flows through these holes to generate bubbles directly, eliminating the need for high-speed rotation and thereby preventing cavitation corrosion and abrasion while maintaining high productivity in super-micro bubble generation.
Solution Approach 2:
The patent employs a porous hollow cylindrical body with bubble generation holes formed on its outer peripheral surface. This porous structure allows gas to flow through multiple holes simultaneously, generating large amounts of bubbles without mechanical motion. The porous design enables efficient gas-liquid contact and bubble formation while eliminating the durability issues associated with rotating mechanical components.
2Manufacturing precision
If mesh membrane is used to fine down bubbles to super-micro bubbles, then bubble size is reduced, but the mesh membrane becomes depleted over time and installation flexibility is limited
Solution Approach 1:
The patent replaces the mesh membrane with a porous hollow cylindrical body having bubble generation holes with controllable diameters (1 mm to 10 mm) formed on its outer peripheral surface. Gas flows through these porous holes to generate bubbles of precise sizes without requiring a mesh membrane, thereby eliminating membrane depletion issues while maintaining manufacturing precision in bubble size control and enabling flexible installation configurations.
3Productivity
If liquid jetting nozzle is disposed around air jetting nozzle to tear bubbles, then super-micro bubbles are generated, but particle size stability is difficult to maintain
Solution Approach 1:
The patent applies local quality by distributing multiple bubble generation holes with specific diameters (1 mm to 10 mm) on the outer peripheral surface of the porous hollow cylindrical body. Each hole generates bubbles of controlled size, and the uniform distribution of holes ensures consistent bubble size throughout the generation process, maintaining particle size stability while achieving high productivity in super-micro bubble generation.
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 device prevents damage, maintains stability in generating super-micro bubbles, allows for flexible installation, and ensures they remain separate due to negative electric charge and surface wetting effects, improving durability and installation options.
Implementation Method 1
the said bubble generation medium is porous having a lot of tiny pores of several μm to several dozen μm in diameter
Implementation Method 2
the said bubble generation medium consists of a high-density compound which is an electrically conductive substance
Implementation Method 3
a liquid jetting device for jetting liquid in the direction substantially perpendicular to the direction in which the bubble generation medium discharges the super-micro bubbles
Implementation Method 4
a covering material with low contact angle properties to prevent coalescence
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(c)
Figure 3
AI summary
Provided is a super-micro bubble generation device providing super-micro bubbles using a simple method and having a higher degree of freedom of installation so as to be suitable for a place where the device is to meet functional requirements. A super-micro bubble generation device is provided with a compressor (2) for delivering gas under pressure, and also with a bubble generation medium (3) for discharging the gas, which has been delivered under pressure, as super-micro bubbles into liquid. The bubble generation medium (3) consists of a high-density compound which is an electrically conductive substance. The super-micro bubble generation device is also provided with a liquid jetting device (4) for jetting liquid in the direction substantially perpendicular to the direction in which the bubble generation medium (3) discharges the super-micro bubbles, said liquid being the same kind of liquid as the liquid into which the super-micro bubbles are discharged.