Molten Glass Component Guide Structure for Bubble Control
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Solution Overview
Problem
Glass melting components face issues with gas bubbles entering the glass product, leading to quality impairments and increased corrosion, as existing methods fail to effectively control or remove these bubbles during the glass melting process.
Innovation Solution
A glass melting component with a guide structure featuring elevations or depressions on its surface that nucleate, guide, and coalesce gas bubbles, allowing them to be removed from the melt, thereby reducing their transfer into the glass product and minimizing corrosion damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If gas bubbles are allowed to remain in the melt, then the glass product contains gas bubbles which impair quality, but removing them requires additional structures that increase device complexity
Solution Approach 1:
The surface of the glass melting component is segmented into multiple guide structures (ridges, grooves, or protrusions) that divide the gas bubble removal function into discrete locations. These segmented structures provide multiple nucleation sites and guidance paths, enabling effective gas bubble control without requiring a completely redesigned complex system
Solution Approach 2:
Guide structures act as intermediary elements between the gas bubbles in the melt and the desired outcome of bubble removal or redirection. These structures mediate the interaction by providing surfaces for bubble nucleation, attachment, and directional guidance, enabling indirect control of gas bubbles without direct intervention in the melt itself
2Manufacturing precision
If guide structures are added to control gas bubbles, then gas bubble transfer into the glass product is reduced, but the surface area exposed to the melt increases leading to higher corrosion rates
Solution Approach 1:
The guide structures are designed with specific local geometries (ridges, grooves, or protrusions) that concentrate their function in localized areas rather than uniformly across the entire surface. This local quality approach allows effective gas bubble control at specific locations while minimizing the total surface area exposed to corrosive melt, thereby reducing overall corrosion damage
3Device complexity
If the glass melting component surface is kept smooth, then device complexity is low, but gas bubbles cannot be effectively nucleated or guided away from the product
Solution Approach 1:
The guide structures utilize the third dimension by creating protrusions or grooves that extend vertically from the surface, rather than relying solely on two-dimensional surface patterns. This dimensional approach provides depth for bubble nucleation and attachment, enabling effective gas bubble control through vertical guidance paths while maintaining relatively simple horizontal surface layouts
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 structured surface of the glass melting component controls gas bubble formation and coalescence, directing bubbles away from critical areas, resulting in higher-quality glass products with fewer defects and reduced corrosion damage.
Implementation Method 1
the guide structure initiates the formation of bubbles for gas dissolved in the melt, i.e. it acts as a nucleation point (nucleus)
Implementation Method 2
the guide structure causes 'pinning', i.e. gas bubbles are retained. This creates the possibility of directing the resulting gas bubbles to the corresponding surface of the glass melt component in a targeted manner
Implementation Method 3
Due to the ordered geometric structure, the lead structure supports a coalescence (merging) of small bubbles into large bubbles
Implementation Method 4
Above a critical size, the latter rise along the guide structure due to the buoyancy force acting on them and are thus removed from the melt
Data Source
Figure 1a~1c
Figure 2a~2f
Figure 3a~3c
AI summary
The invention relates to a molten glass component (1) for use in a melt, at least one conducting structure (3) for the release and/or nucleation of gas bubbles from the melt being provided on at least one surface (2) of the molten glass component (1) that faces the melt when the molten glass component (1) is used.