Disposable Diffuser Assembly With Integral Edge Ring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional fine bubble diffuser assemblies for wastewater treatment require labor-intensive servicing and replacement, involving skilled labor and potential damage to retainer rings, which complicates the process and increases costs.
Innovation Solution
A diffuser assembly with a flexible membrane captured by an integral edge ring, eliminating the need for a separate retainer ring and allowing for a disposable, lightweight, and cost-effective solution with improved installation ease, featuring a thermoplastic diffuser body and elastomer membrane with a circumferential bead and slots for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional diffuser assembly with a separate retainer ring is used, then the diffuser membrane can be retained on the diffuser body, but the servicing and replacement process becomes labor-intensive and requires skilled labor
Solution Approach 1:
The retainer ring is merged with the diffuser body to form an integral unit. The edge ring that previously was a separate component is now formed as part of the diffuser body itself, eliminating the need for separate retainer rings and simplifying the overall assembly structure while maintaining the retention function.
Solution Approach 2:
The retainer ring function is extracted from the assembly and integrated into the diffuser body design. By incorporating the retention features directly into the diffuser body, the separate retainer ring component is eliminated, reducing the number of parts and simplifying installation and replacement procedures.
2Ease of manufacture
If a conventional diffuser assembly with multiple separate components is used, then the diffuser membrane can be securely retained, but the installation and replacement process involves multiple steps and potential damage to components
Solution Approach 1:
Multiple components (diffuser body and retainer ring) are merged into a single integral structure. The edge ring is formed as part of the diffuser body, eliminating interfaces between separate components and reducing the risk of damage during assembly and disassembly operations.
Solution Approach 2:
The retainer ring features are pre-formed as integral parts of the diffuser body during manufacturing. The edge ring and its retention features are created in advance as a unified structure, eliminating the need for field assembly of multiple components and reducing installation complexity.
3Productivity
If a disposable diffuser assembly design is implemented, then labor costs and installation complexity are reduced, but the structural integrity and sealing capability must be maintained
Solution Approach 1:
The design parameters of the edge ring are optimized to provide adequate retention force for disposable application. The edge ring geometry and material properties are selected to ensure proper sealing and retention during the service life of the disposable diffuser, while allowing for easy removal after use.
Solution Approach 2:
The diffuser body and edge ring are formed from compatible materials that provide both the necessary structural strength for disposable use and the appropriate flexibility for retention and sealing functions. The integral construction allows for optimized material selection that balances strength requirements with ease of installation.
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 solution simplifies installation, reduces labor costs, and enables easy replacement of the diffuser assembly as a single unit, minimizing the risk of damage and leakage, while maintaining efficient oxygen transfer and mixing in wastewater treatment.
Implementation Method 1
a flexible diffuser membrane that defines a circumferential bead... When gas is applied to the flexible diffuser membrane through the air inlet orifice, the gas pressure expands the flexible diffuser membrane away from the diffuser body, and causes the membrane's perforations to open so that the gas discharges through them
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A diffuser assembly 200 includes a flexible diffuser membrane 210 and a diffuser body 205. The flexible diffuser membrane 210 defines a circumferential bead 215. The diffuser body 205 defines a circular plate 220 underlying the flexible diffuser membrane 210, and an edge ring 225 covering a covered portion of the circumferential bead 215. The edge ring 225 defines an inside surface 230 that conforms to an outside shape of the covered portion of the circumferential bead 215. The edge ring 225 is integral to the diffuser body 205. Such a diffuser assembly 200 may provide a disposable diffuser assembly option with many advantages over conventional technologies such as improved ease of installation, lower weight, and lower cost.