Sediment Collecting Container With Debris Grate And U-Traps
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Solution Overview
Problem
Current waste collection containers pose a health risk and environmental hazard when rainwater mixes with pollutants and overflows, as they fail to effectively filter and manage the resulting liquid waste.
Innovation Solution
A waste collection container design featuring a debris grate, sediment sump, U-traps, and a sediment filter pad with a metal screen micron filter to separate and filter rainwater and pollutants, preventing overflow and environmental contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a conventional waste collection container is used to store large volumes of waste, then waste storage capacity is achieved, but when rainwater enters the container and mixes with pollutants, the container cannot filter the pollutant liquid effectively, causing overflow and environmental contamination
Solution Approach 1:
The container is divided into multiple functional zones: an upper waste storage area and a lower sedimentation chamber separated by a debris grate. This segmentation allows different treatment processes (solid waste storage, liquid sedimentation, filtration) to occur in distinct spatial regions, enabling effective pollutant separation while maintaining manageable structural complexity
Solution Approach 2:
A debris grate is introduced as an intermediary component between the waste storage area and the sedimentation chamber. This grate acts as a first-level filter that separates larger solid debris from liquid pollutant mixtures, preventing clogging of downstream filtration systems and enabling the multi-stage filtration process to function effectively
2Manufacturing precision
If a debris grate is added as a first filter to separate larger waste pieces, then filtration effectiveness is improved, but device complexity increases due to additional components
Solution Approach 1:
Different filtration mechanisms are applied at different locations within the container: the debris grate provides coarse mechanical filtration at the entrance to the sedimentation chamber, while sediment filter pads provide fine filtration at the outlet. This local differentiation of filtration quality allows each component to be optimized for its specific function, achieving high overall filtration effectiveness without requiring every component to perform all filtration tasks
3Quantity of substance
If a sediment sump is created to collect heavy sediment and liquids, then sediment separation is improved, but the container requires additional structural elements increasing complexity
Solution Approach 1:
The sedimentation chamber is designed with sloped walls that create a gradual transition from the debris grate to the sump area. This equipotential design allows liquid-pollutant mixtures to flow naturally by gravity toward the lowest point (the sump), maximizing sediment collection capacity without requiring additional pumps or complex mechanical agitation systems
4Manufacturing precision
If U-traps are added as a third filter to allow water siphoning while retaining floating debris, then filtration is improved, but device complexity increases
Solution Approach 1:
U-traps are positioned at the outlet of the sedimentation chamber to utilize hydraulic principles for final filtration. The U-trap design creates a water seal that allows filtered liquid to pass while preventing floating debris and odors from escaping. This hydraulic filtration mechanism provides an effective final barrier without requiring complex mechanical or electronic components
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 container effectively filters rainwater and pollutants, ensuring a safer and healthier environment by preventing polluted water from accumulating and spilling, thus reducing health risks and environmental harm.
Implementation Method 1
a debris grate which allows water and pieces of sediment to pass through (but prevents larger pieces of waste from passing)
Implementation Method 2
a sump directly beneath the debris grate for collecting heavy sediment and liquids which passes through the grate
Implementation Method 3
The traps act as the third filter and will allow water to siphon through; however any floating debris will remain at the entry of the U-trap
Implementation Method 4
a sediment filter pad which will cover a filter insert such as a metal screen micron filter
Data Source
AI summary
A waste/sediment collecting container has a front vertical wall, a back vertical wall, two side vertical walls, and a sloped bottom surface. Along the lowest portion of the sloped floor surface lays a debris grate which allows water and pieces of sediment to pass through (but prevents larger pieces of waste from passing). The collection container includes a sump directly beneath the debris grate for collecting heavy sediment which passes through the grate. Sloped walls along the sides of the sump lead to U-traps on both sides of the container that allow liquid to pass through but prevent any solid waste from leaving the sump. Solid waste may be removed from the sump by removing the threaded service cap from the drain hole. Located beyond the traps are filter chambers having drain holes for inserting sediment filters which liquid passes through and exits the container.