Ceramic Membrane Seal Gasket for Filter Bypass Prevention
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Solution Overview
Problem
Existing fluid filtration systems, particularly those using ceramic membranes, face challenges in achieving effective filter bypass prevention and maintaining fluid-tight seals without relying on chemicals or microorganisms, leading to inefficiencies and potential contamination.
Innovation Solution
The implementation of a ceramic membrane filtration system with a triple seal gasket configuration, featuring a hydrophobic or elastomeric seal gasket with specific taper and ridge designs, forms a fluid-tight seal between the contaminated media and permeate chambers, preventing filter bypass and eliminating the need for O-rings, thereby enhancing filtration efficiency and reducing the risk of contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional filtration system is used, then filtration function is provided, but filter bypass cannot be prevented and contamination risk increases
Solution Approach 1:
The seal gasket is divided into multiple sealing sections (first sealing section, second sealing section, third sealing section) that seal at different locations (first end, second end, and intermediate portions) of the filtration assembly. This segmentation allows each section to independently prevent bypass at different points, comprehensively blocking contamination paths without requiring a single complex seal.
Solution Approach 2:
The seal gasket acts as an intermediary component between the filtration assembly and the housing, creating fluid-tight barriers that prevent direct contact between contaminated feed solution and permeate. The gasket material (elastomeric or hydrophobic) serves as a mediator that blocks harmful factors while allowing the filtration process to proceed.
2Object-affected harmful factors
If multiple sealing components are added to prevent filter bypass, then contamination prevention improves, but device complexity increases
Solution Approach 1:
Multiple sealing functions are merged into a single integrated seal gasket component. The gasket simultaneously provides first sealing section, second sealing section, and third sealing section in one piece, eliminating the need for multiple separate sealing components (such as multiple O-rings or gaskets). This reduces assembly complexity while maintaining comprehensive bypass prevention.
Solution Approach 2:
The seal gasket performs multiple functions: it seals at the first end, seals at the second end, seals at intermediate portions, and prevents bypass through multiple sealing sections. This multi-functional design consolidates what would traditionally require several separate components into one universal sealing element.
3Device complexity
If a simple seal gasket design is used, then device complexity is reduced, but seal reliability and bypass prevention deteriorate
Solution Approach 1:
The seal gasket is segmented into multiple sealing sections positioned at different locations, allowing each section to independently ensure fluid-tight sealing. This segmentation provides redundant sealing paths, so if one section experiences stress or deformation, other sections maintain the seal, thereby enhancing overall reliability without requiring excessive structural complexity.
Solution Approach 2:
Different portions of the seal gasket are designed with specific local characteristics (first sealing section at first end, second sealing section at second end, third sealing section at intermediate portions) to address local sealing requirements. Each sealing section is optimized for its specific location, ensuring reliable sealing throughout the entire assembly without over-engineering the entire gasket structure.
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 triple seal gasket configuration effectively prevents filter bypass and contamination, allowing for continuous operation with reduced frequency of quality control testing, ensuring a reliable and efficient filtration process.
Implementation Method 1
A seal gasket may comprise a hydrophobic material, a resilient, an elastomeric material, or combinations thereof
Data Source
AI summary
The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid filtration (e.g., water) with a ceramic membrane having a seal. For example, the present disclosure relates, in some embodiments, to a cross-flow fluid filtration assembly comprising (a) an elongate ceramic membrane filter having a first filter end, a second filter end, at least one filter side, and at least one interior channel spanning the length of the filter, (b) a first filtration seal gasket fixed to the first filter end forming a fluid-tight seal therebetween, and (c) a second filtration seal gasket fixed to the second filter end forming a fluid-tight seal therebetween. The present disclosure also relates to a cross-flow fluid filtration module comprising a fluid path defined by a contaminated media inlet chamber, a fluid filtration assembly positioned in a permeate chamber, and a concentrate chamber.