Compressed Gas Dryer With Internal Regeneration Heating
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Solution Overview
Problem
Existing dryers for compressed gas do not effectively improve the characteristics of dried compressed gas, such as pressure dew point, or enhance the efficiency and compactness of the dryer design.
Innovation Solution
A dryer design with a pressure vessel containing a drying zone and a regeneration zone, equipped with a rotating drum and a regenerable drying agent, where the outlet side of the drying zone is subdivided into separate zones for the dried gas and the regeneration gas, allowing for improved gas handling and regeneration efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the outlet side of the drying zone is subdivided into separate zones for dried gas and regeneration gas, then the characteristics of dried compressed gas are improved and efficiency is enhanced, but the device complexity increases
Solution Approach 1:
The outlet side of the drying zone is divided into a first outlet zone connected to the dried gas outlet and a second outlet zone connected to the regeneration gas connection line. This segmentation allows separate control and optimization of gas flows, improving pressure dew point characteristics while maintaining manageable device complexity through functional zoning.
Solution Approach 2:
Different regions of the outlet side are assigned different functions: the first outlet zone is optimized for dried gas removal with specific flow characteristics, while the second outlet zone is optimized for regeneration gas extraction. This local differentiation improves overall system performance by ensuring each zone performs its specific function effectively.
2Ease of repair
If a part of the supply flow of compressed gas is tapped off for regeneration and then re-added via a connection line, then the regeneration function is achieved, but the loss of time occurs due to external routing
Solution Approach 1:
The connection line for regeneration gas is integrated directly into the pressure vessel, merging the regeneration function with the main drying chamber. This eliminates the need for external routing and re-adding of gas, reducing time loss while maintaining the essential regeneration function through direct internal circulation.
Solution Approach 2:
The connection line for regeneration is nested within the pressure vessel structure, placing the regeneration pathway inside the main drying zone. This nesting allows the regeneration process to occur within the existing pressure boundary, eliminating external travel time and improving overall system efficiency.
3Volume of moving object
If the dryer is designed with integrated connection lines and heating units within the pressure vessel, then the compactness is improved, but the device complexity increases
Solution Approach 1:
The heating unit and connection lines are merged into the pressure vessel structure, combining multiple functions (heating, gas transport, regeneration) into a single integrated component. This merging achieves compactness by eliminating separate external units while the functional integration manages complexity through multi-functionality.
Solution Approach 2:
The pressure vessel is designed to serve multiple functions: it contains the drying zone, houses the connection lines for gas transport, and integrates the heating unit for regeneration. This multi-functionality achieves compactness by having one component perform multiple roles, while the complexity is managed through the universal design approach.
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
This design improves the characteristics of the dried compressed gas and enhances the efficiency and compactness of the dryer, achieving deeper drying and maintaining low relative humidity of the compressed gas.
Implementation Method 1
a drum (14) within the rotation symmetrical part, equipped with a regenerable drying agent; driving means for rotating the aforementioned drum within the rotation symmetrical part, so that the drying agent is successively moved through the drying zone and the regeneration zone
Implementation Method 2
The first connection line is equipped with a heating unit for the heating of the partial stream branched off for regeneration
Data Source
AI summary
A dryer for compressed gas, including a pressure vessel containing a drying zone and a regeneration zone, a drum within the rotation symmetrical part, equipped with a regenerable drying agent; propulsion unit for rotating the aforementioned drum so that the drying agent is successively conducted through the drying zone and the regeneration zone, an inlet for the supply of the compressed air to be dried to the drying zone, an outlet for the removal of the dried compressed gas, and a first connection line for branching off of a partial stream of the dried compressed gas and transfer of this partial stream to the regeneration zone. The first connection line is equipped with a heating unit for the heating of the partial stream branched off for the regeneration. The first connection line and the heating unit are located within the pressure vessel.