Compressed Microfiltration Housing for Clog-Resistant Flow
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Solution Overview
Problem
Conventional fluid filtration systems in food processing face challenges such as clogging due to unilateral flow, inconsistent performance due to filter defects and manufacturing variance, and high costs associated with large and pleated filtration media, leading to inefficiencies and increased risk of foodborne illnesses.
Innovation Solution
A microfiltration system with adjustable compression of filter membranes to control pore size and surface area, enabling multidirectional fluid flow and resistance to clogging, using a housing structure that compresses a filter set between platform and base portions to create a filtration gradient.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If large pieces of filtration media are used to achieve high surface area, then filtration capacity is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The filtration media is divided into multiple small particles that are packed into a cartridge, replacing the need for large continuous sheets. This segmentation achieves high surface area through particle accumulation rather than expanding large membrane pieces, thereby simplifying manufacturing.
Solution Approach 2:
The invention transitions from a two-dimensional planar filter structure to a three-dimensional packed bed configuration. By packing particles in three-dimensional space, the system achieves high surface area without requiring large lateral dimensions or complex pleating structures.
2Device complexity
If unilateral flow through filter is used, then simple flow path is achieved, but clogging occurs due to particle accumulation
Solution Approach 1:
Instead of forcing all fluid through a single direction path, the invention allows fluid to flow through particles from multiple directions (radial and axial flow components). This inverted approach to flow direction distribution prevents particle accumulation in any single region, eliminating clogging while maintaining simple overall system structure.
3Reliability
If multiple filter membranes with different pore sizes are used for multi-step filtration, then comprehensive particle removal is achieved, but system complexity and processing time increase
Solution Approach 1:
Multiple filtration functions (different pore size filtering) are merged into a single packed bed cartridge. By combining various sized particles in one unit, the system achieves multi-step filtration capability without requiring sequential processing through multiple separate membrane stages, thereby maintaining high throughput.
Solution Approach 2:
The packed bed filtration cartridge serves multiple filtration functions simultaneously - removing particles of various sizes, trapping microorganisms, and filtering different types of contaminants all within a single device, eliminating the need for multiple specialized filter stages.
4Ease of manufacture
If conventional filtration media are used, then standard filtration is achieved, but performance varies due to manufacturing defects and variance
Solution Approach 1:
The invention uses homogeneous spherical particles with controlled size distribution that are manufactured to tight tolerances. This homogeneity in particle properties ensures consistent flow paths and filtration characteristics throughout the packed bed, eliminating the performance variance caused by defects in conventional continuous membrane structures.
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 system enhances filtration efficiency by preventing clogging, maintaining consistent performance, and increasing throughput, thereby reducing the risk of foodborne illnesses and improving productivity in food processing.
Implementation Method 1
passing the sample fluid through one or more porous membranes that retain bacteria and other microorganisms, allowing for their subsequent identification and analysis
Implementation Method 2
A microfiltration system with adjustable compression of filter membranes to control pore size and surface area
Data Source
AI summary
Described herein are systems, devices, and methods for filtering a fluid. The fluid may include or may be suspected to include a particle. The systems may include a filtration housing and a filter at least partially compressed within the housing. Compression of the filter set by the housing may result in a gradation of effective pore sizes of the filter, allowing for particles of various sizes to be captured within the filter. The compression may additionally increase an effective surface area of the filter and allow for multidirectional flow of the fluid through the filter. The methods for use and manufacture of the filtration systems and devices may include arranging the filter within the housing such that at least a portion of the filter is compressed within the housing and a desired effective pore size of the filter is achieved.