Backflush Filter Assembly With Elastomeric Flange
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Solution Overview
Problem
Existing filter systems face challenges in efficiently removing particulates and contaminants from fluids due to issues with snagging and damage of fabric filter bags during maintenance, as well as the need for complex disassembly and reassembly of components.
Innovation Solution
A seamless inner filter basket with a cylindrical shape and perforations, integrated with an outer filter basket and a fabric filter bag, utilizing a seamless design and elastomeric flange with an O-ring for secure sealing, and a simplified cover mechanism with pneumatic tubes for backflushing, eliminating the need for threaded fasteners and reducing fluid bypass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional filter baskets with seams and complex fastening mechanisms are used, then structural integrity can be maintained, but snagging and damage of fabric filter bags occurs during maintenance and replacement becomes complex
Solution Approach 1:
The filter assembly is divided into separable components: an inner filter basket, an outer filter basket, and a fabric filter bag. The inner basket can be easily removed from the outer basket without complex fastening mechanisms, allowing simple replacement of the fabric filter bag while maintaining structural integrity during operation.
Solution Approach 2:
The inner filter basket is extracted as a separate, removable component from the outer filter basket. This extraction allows the fabric filter bag to be accessed and replaced without disassembling complex fastening mechanisms, reducing snagging and damage risks during maintenance.
2Stability of the object's composition
If complex disassembly and reassembly mechanisms are used to secure filter components, then structural stability is improved, but maintenance complexity and time increase
Solution Approach 1:
The filter system uses segmented baskets with simple retaining structures that provide sufficient stability during operation but allow rapid disassembly for maintenance. The inner and outer baskets are separated by simple retaining features that can be quickly released without complex fastening procedures.
Solution Approach 2:
The filter bag is pre-positioned between the inner and outer baskets during assembly, and the baskets are pre-configured with simple retaining mechanisms. This preliminary arrangement allows for quick maintenance by simply removing the inner basket and replacing the fabric filter bag without complex disassembly procedures.
3Productivity
If traditional sealing methods without O-rings are used, then device complexity is reduced, but fluid bypass occurs reducing filtration efficiency
Solution Approach 1:
An O-ring sealing element is introduced as an intermediary component between the inner filter basket and the fabric filter bag. This O-ring creates an effective seal that prevents fluid bypass while adding minimal complexity to the overall device structure.
Solution Approach 2:
The O-ring is a flexible sealing element that conforms to the mating surfaces of the inner basket and fabric filter bag. This flexible seal creates an effective barrier against fluid bypass while maintaining simplicity in the sealing mechanism design.
Data Source
AI summary
The present document discloses a filter element comprising a fabric filter bag with an open end and a closed end, and a flange consisting of an elastomeric annular ring affixed to the open end of the fabric filter bag. The elastomeric flange enhances the sealing and attachment of the filter element, providing improved efficiency and durability in various filtration applications.