Modular Septic Tank with Corrugated Flow Pipe Settling Zone
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Solution Overview
Problem
Existing septic systems fail to effectively reduce total suspended solids, leading to environmental pollution and system inefficiency due to excessive nitrogen and phosphorus release into groundwater, which can cause disease and clog filter media.
Innovation Solution
A modular system comprising a series of chambers connected by flow pipe segments, including a corrugated flow pipe acting as a settling zone to remove suspended solids, with an aerator and diffusor for enhanced removal, reducing pollutants before they reach the drain field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional septic tanks are used without additional treatment components, then the system structure remains simple, but total suspended solids and pollutants are not effectively reduced
Solution Approach 1:
The septic tank is divided into multiple chambers (first chamber, second chamber, third chamber) with distinct functions. The first chamber receives and settles incoming waste, the second chamber contains the aerator and diffusor for biological treatment, and the third chamber provides final settling. This segmentation allows each chamber to specialize in specific treatment processes, achieving effective TSS reduction while maintaining a relatively simple overall structure that can be integrated into existing septic systems.
2Quantity of substance
If a corrugated flow pipe settling zone is added to remove suspended solids, then pollutant removal efficiency improves, but the device complexity increases
Solution Approach 1:
A corrugated flow pipe is installed as an intermediary settling zone within the second chamber. This flow pipe provides a dedicated pathway for wastewater to slow down and settle suspended solids before entering the third chamber. The corrugated structure creates turbulence that enhances settling efficiency. This intermediary component effectively removes suspended solids without requiring a completely separate treatment system, thus improving pollutant removal while adding only one specific component to the existing septic tank structure.
3Reliability
If multiple chambers and flow pipe segments are installed, then treatment effectiveness increases, but installation and maintenance difficulty increases
Solution Approach 1:
The septic tank system is designed with multi-functional chambers that perform multiple treatment functions within a single integrated structure. The chambers collectively provide settling, aeration, biological treatment, and final clarification functions. This universal design allows the system to achieve comprehensive treatment effectiveness while avoiding the need for multiple separate treatment units, thereby simplifying installation and maintenance compared to distributed multi-unit systems.
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 system significantly reduces total suspended solids and pollutants like nitrogen and phosphorus, improving septic system efficiency and environmental impact by minimizing harmful substances in groundwater.
Implementation Method 1
the corrugated flow pipe being sized and configured for use as a settling zone for removal of a portion of the total suspended solids
Implementation Method 2
with an aerator and diffusor for enhanced removal
Data Source
AI summary
A modular system for reducing the total suspended solids of waste, including scum, sludge and water layers, includes a plurality of chambers each being connected in succession by a corresponding one of a plurality of flow pipe segments including an inlet segment, an outlet segment and at least one middle segment, wherein the waste enters the septic tank via the inlet segment and is transferred between each of the plurality of chambers via the at least one middle segment; a corrugated flow pipe in fluid flow communication with the outlet segment; and the corrugated flow pipe being sized and configured for use as a settling zone for removal of a portion of the total suspended solids and wherein an amount of water from the water layer within the chamber adjacent the outlet segment enters the corrugated flow pipe and passes through the outlet segment.