Solid CO2 Dosing Apparatus with Centrifugal Separator
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Solution Overview
Problem
Existing solid carbon dioxide dosing apparatuses struggle with precise and compact dosing of solid carbon dioxide in beverage bottling, leading to inefficient displacement of oxygen and potential quality deterioration in beverages due to inadequate control over the dosing speed and mass of solid carbon dioxide.
Innovation Solution
A carbon dioxide dosing apparatus with a solid matter collector and a dosing valve system that utilizes a separator to separate solid and gaseous carbon dioxide under centrifugal force, allowing for controlled dosing of solid carbon dioxide through a controllable gas supply, ensuring precise timing and mass delivery, and minimizing oxygen exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If solid carbon dioxide is dispensed using a simple expansion method, then the apparatus structure is simple, but the dosing precision and mass control are insufficient
Solution Approach 1:
The apparatus is divided into distinct functional segments: a separator section that divides solid and gaseous CO2, a solid matter collector that accumulates separated solid CO2, and a dosing valve system that controls discharge. This segmentation enables precise dosing while maintaining reasonable structural complexity by assigning specific functions to each segment.
Solution Approach 2:
A controllable gas supply is introduced as an intermediary medium to transport solid CO2 from the collector to the dosing valve. This gas flow mechanism enables precise control over the timing and mass of solid CO2 delivery without requiring direct mechanical manipulation, thereby improving dosing precision while keeping the apparatus structure manageable.
2Speed
If solid carbon dioxide exits with low speed, then the apparatus operates safely, but the dosing compactness and effectiveness are reduced
Solution Approach 1:
The dosing valve system is designed to dynamically control the discharge of solid CO2, adjusting the exit speed based on operational requirements. The valve can modulate the flow rate and timing, enabling the system to achieve both safe operation and compact dosing by optimizing the exit speed parameter in real-time during the bottling process.
Solution Approach 2:
A controllable gas supply system uses pneumatic pressure to accelerate solid CO2 through the dosing valve. By regulating the gas pressure and flow rate, the system can control the exit speed of solid CO2, ensuring it exits with sufficient velocity for compact dosing while maintaining safe operational parameters through controlled pressure management.
3Productivity
If solid and gaseous carbon dioxide are not separated, then the apparatus structure is simple, but the dosing control and oxygen displacement efficiency are insufficient
Solution Approach 1:
The separator section extracts and removes gaseous CO2 from the mixture of solid and gaseous CO2 generated by liquid CO2 expansion. By taking out the gaseous component through the separator and directing it away from the dosing path, the system ensures that only solid CO2 reaches the dosing valve, thereby improving oxygen displacement efficiency while maintaining a relatively simple apparatus structure through targeted extraction.
Solution Approach 2:
The separator acts as an intermediary device between the expansion chamber and the dosing valve. It mediates the mixture of solid and gaseous CO2 by separating the phases, allowing the solid CO2 to proceed to the collector and dosing valve while the gaseous CO2 is diverted. This intermediary separation function improves productivity by ensuring pure solid CO2 dosing without requiring a complex multi-stage processing system.
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
Enables precise and compact dosing of solid carbon dioxide, effectively displacing oxygen and maintaining beverage quality by ensuring consistent and controlled delivery of solid carbon dioxide, even in high-speed bottling processes.
Implementation Method 1
a separator (3) having at least a portion with a radius and angle of curvature sufficient for solid carbon dioxide to separate in a two-phase gas-solid mixture from gaseous carbon dioxide under the influence of centrifugal force
Implementation Method 2
The solid carbon dioxide exits the device and sublimes into the container and the resulting carbon dioxide gas forms a layer above the liquid surface
Data Source
AI summary
Solid carbon dioxide dosing apparatus (1) for the controlled dosing of solid carbon dioxide, comprising, a supply (2), through which liquid carbon dioxide under pressure expanding to a mixture of solid and gaseous carbon dioxide is supplied, a separator (3) connected to the supply for the separation of the solid and gaseous carbon dioxide of which at least a portion has a radius and angle of curvature which is sufficient to separate the solid carbon dioxide under the influence of centrifugal force, a gas discharge (4) connected to the separator for discharging the gaseous carbon dioxide, comprising a solid matter collector (5) with at least two ends and connected in such a way to the separator that the solid carbon dioxide is collected in the solid matter collector, with the one end of the solid matter collector connected to a controllable gas supply (6) and at the other end to a dosing valve (7) for dosing the solid carbon dioxide.