Crossflow Settling Channel With Angled Plates for Stormwater Sediment Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing stormwater treatment systems fail to effectively remove suspended contaminants before they reach water bodies, allowing pollutants to accumulate and harm aquatic ecosystems.
Innovation Solution
A crossflow settling device with angled plates and baffles that create a crossflow pattern to settle sediment, accompanied by a bypass mechanism for high flows, ensuring efficient sediment removal and floatable retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional settling devices are used, then sediment removal is achieved, but the device complexity is high and space requirements are large
Solution Approach 1:
The settling device is divided into multiple settling chambers separated by baffles, with sediment collection zones at the bottom of each chamber. This segmentation allows progressive sediment removal while maintaining a compact overall structure, reducing both device complexity and space requirements compared to traditional single-chamber designs.
Solution Approach 2:
The patent employs a nested arrangement where settling chambers are positioned above sediment collection zones, and multiple functional elements are integrated within confined spaces. The baffles and collection zones are nested within the chamber structures, maximizing sediment removal efficiency while minimizing the device's footprint and structural complexity.
2Manufacturing precision
If traditional settling devices are used, then sediment removal is achieved, but the space occupied by the device is large
Solution Approach 1:
The patent utilizes vertical space by stacking settling chambers above sediment collection zones, transitioning from a horizontal expansion layout to a vertical arrangement. This dimensional change allows the device to achieve effective sediment removal while occupying minimal floor space, making it suitable for urban environments with limited area availability.
Solution Approach 2:
Multiple functional components including settling chambers, baffles, and sediment collection zones are nested within each other in a compact configuration. The settlement storage area is integrated within the chamber structures, maximizing the use of available space and reducing the overall footprint of the device.
3Manufacturing precision
If crossflow pattern is implemented, then sediment settles effectively, but device complexity increases due to angled plates and baffles
Solution Approach 1:
The crossflow settling mechanism is segmented into multiple chambers with individual baffle arrangements, allowing the complex flow pattern to be achieved through simple, repeated modular elements rather than a single complex structure. This reduces overall device complexity while maintaining effective sediment settling.
Solution Approach 2:
The patent employs angled plates and curved baffle designs that guide water flow in smooth crossflow patterns, utilizing fluid dynamics principles to achieve effective sediment settling without requiring complex mechanical components. The geometric arrangements of plates and baffles create the necessary flow patterns through their shape and orientation alone.
Data Source
AI summary
A stormwater treatment device may include a crossflow settling device having a treatment channel defined by a front baffle, a rear baffle, and a pairs angled plates provided at supplementary angles therebetween and disposed between the front baffle and the rear baffle, the front baffle having a treatment channel opening and the rear baffle having a treatment channel outlet. Under normal flow, stormwater flows into the inlet and into the inlet chamber, into the treatment channel via the treatment channel opening, into the outlet chamber via the treatment channel outlet in a crossflow pattern causing the sediment to fall out of suspension, and out of the crossflow setting device through openings at the bottom of the pairs of angled plates.