Segmented Distributor Plate for Water Softener Resin Bed
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Solution Overview
Problem
Existing water softening systems face inefficiencies in media utilization and regeneration, particularly due to the exhaustion of ion-exchange resin beds and the need for multiple regeneration cycles, as well as issues with fluid flow and media movement during regeneration.
Innovation Solution
A water treatment system with a distributor plate design featuring isosceles trapezoidal chords and a cylindrical sleeve to support filter media and resin, ensuring uniform flow and retention of media above the distributor plate, allowing for efficient up-flow/counter-flow regeneration without media mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional distributor plates are used in water softening systems, then the system can perform basic ion exchange, but the media utilization is inefficient and multiple regeneration cycles are required
Solution Approach 1:
The distributor plate is segmented into multiple radial compartments separated by chords, creating distinct flow paths that distribute regenerant solution uniformly across the resin bed. This segmentation prevents channeling and ensures all media is effectively utilized during regeneration, reducing the number of cycles needed.
Solution Approach 2:
Different radial compartments of the distributor plate provide different flow characteristics tailored to local requirements. The chords create localized flow patterns that optimize regenerant distribution in different areas of the resin bed, improving overall media utilization efficiency.
2Ease of operation
If conventional distributor plates are used, then the structure is simple, but fluid flow is non-uniform and media moves during regeneration
Solution Approach 1:
The distributor plate divides the fluid flow into multiple segmented paths through radial compartments, ensuring uniform distribution across the resin bed. This prevents localized channeling and maintains stable media position by providing even support throughout.
Solution Approach 2:
The distributor plate design adds a radial dimension to fluid distribution, transitioning from simple vertical flow to multi-directional radial flow patterns. This dimensional change creates uniform flow across the entire resin bed cross-section while maintaining media stability.
3Productivity
If the distributor plate retains media effectively, then media utilization is maximized, but the distributor plate design becomes more complex
Solution Approach 1:
The distributor plate uses radial chords to segment the structure into compartments, providing effective media retention through geometric configuration rather than additional components. This segmentation achieves media utilization optimization while maintaining relatively simple manufacturing.
Solution Approach 2:
The distributor plate performs multiple functions simultaneously: it distributes regenerant solution uniformly, retains media in place, and provides structural support. This multi-functionality reduces the need for separate components, balancing media utilization with design simplicity.
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 maximizes media utilization and regeneration efficiency by maintaining uniform flow and preventing media movement, extending the ion-exchange capacity and reducing the number of regeneration cycles required.
Implementation Method 1
The distributor plate top side includes a first plurality of chords traversing across the distributor plate in a first direction and a second plurality of chords traversing across the distributor plate in a second direction perpendicular to the first direction, the first and second plurality of chords forming the sidewalls of the cavities
Implementation Method 2
Ion-exchange water softeners have been implemented to remove hardness from water as a solution to this problem. Essentially, the ion-exchange water softeners work to remove the calcium and magnesium in the water.
Implementation Method 3
A water treatment system with a distributor plate design featuring isosceles trapezoidal chords and a cylindrical sleeve to support filter media and resin, ensuring uniform flow and retention of media above the distributor plate
Implementation Method 4
allowing for efficient up-flow/counter-flow regeneration without media mixing
Data Source
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AI summary
A water treatment system, such as a water softening system, having a water treatment tank with at least one distributor plate mounted inside to support filter media and/or ion exchange resin. The water treatment system is designed to treat hard water with a packed ion-exchange filter media and has a distributor plate design for facilitating the ion-exchange within a water softener resin bed, as well as facilitating the regeneration of the resin bed. The distributor plate presents cavities to the topside for entrapping filter media, and the cavities have narrow slits located at the base for allowing fluid to pass. A method for assembling the water treatment tank and supporting inserted distributor plate is shown. The distributor plate rest on and is supported by a domed-shaped structure that can be placed in the bottom portion of the water treatment vessel.