Chromatography Column Feed Tube for Homogeneous Matrix Filling
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Solution Overview
Problem
Existing filter systems face challenges in achieving homogeneous filling of the matrix, leading to inefficiencies and increased risk of contamination, which are not adequately addressed by current technologies.
Innovation Solution
A filter system design that incorporates a single feed tube with integrated sealing means, allowing for automated and homogeneous filling of the matrix, while preventing contamination during the filling process through a mechanism that switches between filling and sealing positions, and includes flushing capabilities to ensure internal cleanliness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If multiple fill openings with separate fill hoses are used, then matrix can be supplied to the filter element, but the process becomes complex and costly with increased risk of contamination
Solution Approach 1:
The filter element is divided into multiple zones along its length, with each zone having its own fill opening and fill hose. This segmentation allows independent filling of different sections, enabling homogeneous matrix distribution while maintaining process simplicity through parallel operations.
Solution Approach 2:
The feed tube serves multiple functions: it acts as a structural support element, a sealing surface for the sealing means, and a conduit for matrix supply. This multi-functionality reduces the number of separate components needed, simplifying the overall device while maintaining effective filling capability.
2Productivity
If manual filling is used, then matrix can be supplied to the filter element, but labor costs increase and contamination risk increases
Solution Approach 1:
The system enables self-service filling where the matrix is automatically supplied through the feed tube and distributed to multiple zones simultaneously. The sealing means automatically seals the fill openings during operation, eliminating manual intervention while maintaining precise control over the filling process.
Solution Approach 2:
The filling process continues uninterrupted as matrix is supplied continuously through the feed tube to all zones simultaneously. The sealing means remains sealed during the entire filling operation, preventing contamination while maintaining continuous productive action without manual interruption.
3Reliability
If fill openings remain open during filling, then matrix can be supplied, but contamination risk increases
Solution Approach 1:
The sealing means is positioned to automatically seal the fill openings before matrix supply begins. This preliminary sealing action prevents contamination from the outset while maintaining ease of operation through automatic sealing without requiring manual closure steps.
Solution Approach 2:
The sealing means acts as an intermediary element between the open fill opening and the matrix supply system. It automatically engages to seal the opening during filling, mediating between the need for open access during filling and the need for closed protection against contamination.
4Manufacturing precision
If homogeneous filling is not achieved, then the filter system can be filled, but performance decreases
Solution Approach 1:
The filter element is divided into multiple zones along its length, with each zone having its own fill opening and fill hose. This segmentation allows independent filling of different sections, enabling homogeneous matrix distribution while maintaining process simplicity through parallel operations.
Solution Approach 2:
The feed tube extends through the filter element in the axial direction, distributing matrix radially outward to multiple zones simultaneously. This dimensional approach to distribution ensures homogeneous filling across the entire filter element volume while maintaining efficient single-point access.
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A chromatography column to bind molecules or proteins, is filled with a replaceable matrix and is provided with fill elements with which a single feed tube can be connected to an across the column distributed fill element. The fill element keeps an inner land area free from fill openings which can be closed. With the fill element it is possible to dispense the matrix into the column in an equally spread manner. Elements are present to internally flush the feed tube, while there are features to make the flushing impossible during filling with matrix.