Circular Cylinder Air Filter With Replaceable Medium
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Solution Overview
Problem
Conventional circular cylinder air filters lose filtering utility after a chemical reaction occurs and cannot be reused, violating environmental protection principles.
Innovation Solution
A circular cylinder air filter design featuring a hollow inner and outer cylindrical frame, a circular disc, a bonding base, and a non-woven fabric cover, allowing for replaceable air filter medium, with the medium being filled in a first hollow region and filtered through both the medium and a non-woven fabric cover, reducing pressure loss and enabling reusability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional circular cylinder air filter uses fixed air filter medium, then filtering function is provided, but the filter cannot be reused and must be disposed after losing filtering utility
Solution Approach 1:
The air filter is divided into a reusable frame structure and a replaceable air filter medium. The medium can be removed and replaced independently from the frame, allowing the frame to be reused while only the consumable medium is discarded. This resolves the contradiction by separating the durable structural components from the consumable filtering material.
Solution Approach 2:
The design enables recovery and reuse of the frame structure after the air filter medium is consumed. The frame can be retained and reused with new medium inserted, while only the depleted medium is discarded. This recovers valuable structural components and reduces waste.
2Reliability
If air filter medium is filled tightly to maximize filtering capacity, then filtering effectiveness is improved, but pressure loss increases
Solution Approach 1:
The air filter medium is designed with varying properties in different regions. The medium has different thickness or density at different locations to optimize the balance between filtering effectiveness and pressure loss. This local variation allows effective filtration while maintaining acceptable pressure characteristics.
Solution Approach 2:
The physical parameters of the air filter medium (such as thickness, density, or pore size) are optimized to achieve the desired balance between filtration performance and pressure drop. By adjusting these parameters, the filter provides effective particle removal while minimizing energy loss.
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 design allows for effective air filtration with reduced pressure loss and reusability of the air filter medium, maintaining filtering effectiveness and adhering to environmental protection standards.
Implementation Method 1
filtered via the air filter medium within the first hollow region
Implementation Method 2
filtered via the non-woven fabric cover
Data Source
AI summary
A circular cylinder air filter includes an inner cylindrical frame, an outer cylindrical frame, a circular disc, a bonding base and a non-woven fabric cover. The outer cylindrical frame is coaxially arranged around the inner cylindrical frame. The circular disc is fastened to a first end of the inner cylindrical frame and the outer cylindrical frame. The bonding base is fastened to an opposite second end of the inner cylindrical frame and the outer cylindrical frame. A first opening of the bonding base communicates with a first hollow region between the inner cylindrical frame and the outer cylindrical frame. A second opening of the bonding base communicates with a second hollow region within the inner cylindrical frame. The air filter medium is filled into the first hollow region through the first opening. The fabric cover encloses the outer cylindrical frame, circular disc and bonding base to expose the second opening.