Internal Reticulated Foam Filter for Water Filtration Tanks
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Solution Overview
Problem
Existing granular media-based water filtration systems suffer from cross-contamination and media solidification, leading to inefficient contaminant removal and impurity accumulation, which existing technologies fail to address effectively.
Innovation Solution
An internal reticulated foam filter with separate chambers and a backwashing valve system that directs water flow through sequential foam media sections, ensuring maximum contact time and preventing cross-contamination, while allowing for efficient removal of impurities with backwashing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If granular media-based filtration systems are used, then water filtration is achieved, but media solidification and cross-contamination occur leading to inefficient contaminant removal
Solution Approach 1:
The filter is divided into multiple separate chambers, each containing different foam media sections. This segmentation prevents cross-contamination between media types and eliminates media solidification issues associated with mixed granular media. Each chamber is isolated with its own distribution system, allowing independent optimization of filtration mechanisms.
Solution Approach 2:
The patent uses reticulated foam media instead of traditional granular media. The porous foam structure provides high surface area for contaminant adsorption while maintaining open channels for water flow. This prevents the solidification problem inherent in granular media and enables more efficient contaminant removal through the foam's adsorptive properties.
2Productivity
If mixed media are used in granular media-based tanks, then filtration capacity is increased, but cross-contamination between media occurs
Solution Approach 1:
Different foam media sections are placed in separate, isolated chambers within the filter assembly. Each chamber can contain media optimized for specific contaminant types without risk of cross-contamination. The segmentation is achieved through physical barriers and separate distribution systems for each chamber.
Solution Approach 2:
Each chamber is designed with locally optimized foam media properties tailored to specific filtration needs. Different chambers can have different pore sizes, densities, or foam material compositions to target different contaminant categories, with each chamber's media quality optimized for its specific function without affecting other chambers.
3Productivity
If traditional distributor design is used, then water distribution is provided, but media contact time is insufficient for maximum contaminant removal
Solution Approach 1:
The distribution system incorporates adjustable distribution tubes with multiple outlets that can be positioned and oriented to optimize water flow patterns through the foam media. The system allows for dynamic adjustment of flow distribution to maximize contact time between water and media while maintaining efficient filtration productivity.
Solution Approach 2:
The distribution tubes act as intermediaries between the water inlet and the foam media chambers. These tubes are designed to distribute water evenly across multiple chambers, ensuring that water flows through optimal paths that maximize contact time with the foam media while maintaining high filtration throughput.
4Reliability
If impurities are collected during filtering cycle, then filtration occurs, but impurity accumulation requires cleaning maintenance
Solution Approach 1:
The filter incorporates a backwashing capability that periodically reverses water flow to remove accumulated impurities from the foam media. This periodic backwashing action restores filtration performance without requiring media replacement or complex disassembly, maintaining both high reliability and ease of operation.
Solution Approach 2:
The backwashing system enables the filter to clean itself by reversing flow through the foam media chambers. Impurities that accumulate during normal filtration are flushed out during backwashing cycles, allowing the system to maintain its performance with minimal external intervention and simple maintenance procedures.
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 solution achieves near-complete water filtration efficiency by preventing media solidification and cross-contamination, ensuring maximum contaminant removal and easy cleaning of impurities, thereby enhancing the overall filtration process.
Implementation Method 1
reticulated foam media sections make it impossible for media solidification as previously experienced in existing granular media-based tanks which utilize mixed media
Implementation Method 2
The plurality of foam filters 18 removes any debris or impurities from the water entering the present invention and being released into the water filtration tank
Implementation Method 3
the present invention while accompanied with a backwashing valve, backwashes out any impurities that may be collected during the filtering cycle
Data Source
AI summary
An internal reticulated foam filter for a water filtration tank is an apparatus that thoroughly filters water of a variety of water filtration tanks. The apparatus includes a flow-management assembly, at least one inner tube, at least one outer tube, and a plurality of foam filters. The flow-management assembly positions the apparatus around a distributing tube of a water filtration tank. The at least one inner tube upholds the plurality of foam filters against a central tube of the distributing tube. The at least one outer tube releases the water filtered by the plurality of foam filters back into the water filtration tank. The flow-management assembly also includes a first cap, a second cap, a plurality of main inlets, a plurality of channels, and a plurality of main outlets. The plurality of main inlets is in fluid communication with the plurality of main outlets through the plurality of channels.