Fluid Separation Element Anti-Telescoping Plate Resin Anchor
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Solution Overview
Problem
Conventional fluid separation elements face challenges in preventing relative rotation between the anti-telescoping plate and the central pipe, which can lead to deviations in membrane stacking and damage to the separation membrane.
Innovation Solution
A fluid separation element design where the anti-telescoping plate has an opening part with a depression, and the central pipe is inserted through this opening. The gap between the opening part and the central pipe, along with the depression, is filled with a resin to securely anchor the central pipe and prevent rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complementary projections and recesses are provided on the anti-telescoping plate and central pipe to prevent rotation, then rotation prevention function is achieved, but manufacturing complexity increases due to complex positioning operations
Solution Approach 1:
The invention extracts the rotation prevention function from the mechanical complementary projections and recesses system and transfers it to the resin filling system. The resin is injected into the gap between the anti-telescoping plate and central pipe, where it cures to form a fixed structure that prevents rotation without requiring complex mechanical interlocking features.
Solution Approach 2:
The invention replaces the mechanical positioning system (projections and recesses requiring precise fitting operations) with a chemical/physical system (resin injection and curing). The resin acts as a bonding agent that mechanically locks the components in place after curing, eliminating the need for complex mechanical interlocking and positioning operations during assembly.
2Reliability
If complementary projections and recesses are used to prevent rotation, then rotation prevention is achieved, but even slight molding errors render the function insufficient
Solution Approach 1:
The invention changes the parameter of rotation prevention from being dependent on precise geometric matching (projections and recesses) to being dependent on the resin's bonding properties and curing characteristics. The resin filling method is much less sensitive to dimensional variations because it relies on the resin's ability to flow into and bond with the surfaces, rather than requiring precise mechanical clearance and fit.
3Reliability
If the anti-telescoping plate and central pipe are fitted with complementary projections and recesses, then rotation prevention is achieved, but the positioning operation during manufacturing becomes very complex
Solution Approach 1:
The resin filling system performs the positioning and rotation prevention function automatically during the manufacturing process. The resin is injected into the gap, flows to fill the space, and upon curing, self-locks the anti-telescoping plate and central pipe in the correct position. This eliminates the need for manual or machine-operated positioning operations that would be required for fitting complementary projections and recesses.
Data Source
AI summary
A fluid separation element including: a wound body in which a separation membrane is wound around a central pipe; and an anti-telescoping plate, in which the anti-telescoping plate has an opening part that penetrates through the anti-telescoping plate, the central pipe is inserted into the opening part, a depression is formed in at least one of a surface, in the opening part, of the anti-telescoping plate and an outer surface of a portion, inserted into the opening part, of the central pipe, and a gap between the opening part and the central pipe and the depression are filled with a resin.