Trash Tolerant Filter Support Frame Aperture Design
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Solution Overview
Problem
Conventional disc filter systems experience blockages at support openings due to trash accumulation, leading to reduced water flow and increased operating costs, as well as the need for frequent manual cleaning, which is inefficient.
Innovation Solution
The design includes a frame with apertures that match the size of the drum apertures, allowing unimpeded flow of water and trash through to the filter panels, reducing blockages and enabling effective cleaning without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If small support openings are used between filter segments, then filtration precision is improved, but trash accumulation and blockages increase
Solution Approach 1:
The support structure is segmented into multiple openings distributed between filter segments, allowing trash to be dispersed across multiple exit points rather than accumulating at a single location. This segmentation maintains filtration precision while reducing blockage risk.
Solution Approach 2:
The support openings act as intermediaries between the drum interior and exterior, providing a controlled transition zone for water and trash. The openings are sized to allow trash passage while maintaining filtration, serving as a mediator that reconciles the need for both precision and trash tolerance.
2Manufacturing precision
If small support openings are used between filter segments, then filtration precision is improved, but water flow between adjacent filter segments is impeded
Solution Approach 1:
Multiple small support openings are distributed across the support structure between filter segments. While each individual opening is small for precision filtration, the collective arrangement of multiple openings maintains adequate water flow capacity.
Solution Approach 2:
The design changes the parameters of the support openings - using multiple smaller openings rather than fewer larger ones. This parameter change allows the system to achieve both precision filtration and adequate water flow by distributing the flow across multiple pathways.
3Ease of operation
If conventional spray devices are used for cleaning, then cleaning capability is limited, but system complexity and manual intervention requirements increase
Solution Approach 1:
The support openings are designed to be inherently accessible to spray devices, allowing the cleaning system to service itself without complex mechanisms or manual intervention. The simple geometric design of the openings enables effective cleaning through standard spray apparatus.
Solution Approach 2:
Instead of designing complex cleaning mechanisms to reach difficult areas, the design inverts the approach by making the support openings themselves easily accessible to spray devices. The cleaning capability is enhanced by the geometric design of the openings rather than by complex cleaning equipment.
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
This design minimizes trash accumulation, maintains unimpeded water flow, and reduces turbulence, thereby enhancing operational efficiency and reducing the need for frequent system stoppages for maintenance.
Implementation Method 1
the drum is rotated and the water to be filtered is introduced into the drum
Implementation Method 2
The water then exits through ducts in the drum and flows into filter segments inside the filter support
Implementation Method 3
The water in the filter support is then filtered through the media of the filter panels to provide filtered water
Implementation Method 4
A spray device is used to spray the panels with water to dislodge the particulates and clean the filter media
Data Source
Figure 1
Figure 2
Figure 3~18
AI summary
A filter device for filtering a liquid which includes trash. The device includes a drum for receiving the liquid and trash, wherein the drum includes at least one drum aperture. The device further includes a first pair of filter panels which are adapted for filtering the liquid. The filter panels are spaced apart to form a cavity for receiving the liquid and trash. The device further includes a frame for supporting the filter panels, wherein the frame is coupled to the drum. The frame includes a frame aperture wherein the frame aperture and the cavity form a volume having a cross sectional area sized substantially equal to or greater than the drum aperture and wherein said volume extends to a second pair of filter panels to enable liquid and trash which pass through the drum aperture to also pass through the frame aperture to the second pair of filter panels.