Modular Drainage System for Bulk Granular Materials
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Solution Overview
Problem
Current methods for draining bulk granular materials are inefficient and often require mechanical pumps, making them costly and impractical for portable use across various industries such as mining, construction, and agriculture.
Innovation Solution
A portable drainage system featuring a graded slope with a perforated header pipe, impermeable flexible liner, modular units with site-specific drainage fabric, and expanded geosynthetic material, utilizing airflow to create natural aspiration for fluid removal without mechanical pumps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If mechanical pumps are used for draining bulk granular materials, then drainage efficiency is improved, but system complexity and cost increase
Solution Approach 1:
The patent removes the mechanical pump from the drainage system entirely, extracting the harmful complexity while maintaining drainage functionality through passive gravitational flow and natural filtration mechanisms built into the modular container structure
Solution Approach 2:
The drainage system performs self-service by using the natural weight and flow of bulk material itself to drive water through the fabric filter and collection channels, eliminating the need for external mechanical assistance
2Productivity
If mechanical pumps are used for draining bulk granular materials, then drainage efficiency is improved, but operational cost increases
Solution Approach 1:
The system uses the inherent gravitational potential energy and kinetic energy of the bulk material flow to drive water removal, requiring no external energy input or operational costs for pump operation
Solution Approach 2:
By removing the mechanical pump component entirely, the patent eliminates the operational energy costs associated with pump operation, maintenance, and power consumption
3Reliability
If fixed drainage systems are used, then drainage effectiveness is improved, but portability deteriorates
Solution Approach 1:
The drainage system is divided into modular container units that can be independently assembled, disassembled, and relocated, maintaining full drainage functionality while enabling portable deployment across different sites and conditions
4Reliability
If complex drainage structures are used, then drainage effectiveness is improved, but ease of manufacture deteriorates
Solution Approach 1:
The system uses standardized modular containers with integrated drainage components that can be manufactured independently using conventional fabrication methods, then assembled on-site to create effective drainage structures of various scales
Solution Approach 2:
The modular containers serve multiple functions - containing bulk material, providing structural support, and integrating drainage filtration - reducing the need for separate specialized components and simplifying manufacturing
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 effectively removes a majority of moisture from bulk granular materials, reducing operational costs and enhancing portability, allowing for efficient drainage without mechanical assistance.
Implementation Method 1
The airflow causes aspiration through the drainage system to remove water, sometimes called 'decant' fluids.
Data Source
AI summary
A plurality of modular units are connected together on a slightly sloped drainage field with a perforated header pipe at the lower side conveying water away from the drainage system. An impermeable flexible liner cushioned on both sides is located below the modular units. The modular units are each made up of rigid boxes that have connecting cross slots at the bottom thereof and vertical perforations there through. The rigid boxes are lined with a drainage fabric that is site specific and have an expanded geosynthetic material therein, which is held in place when filled with porous granular material. High flexural strength mats are connected together over the tops of the modular units. An air inlet pipe connects air to the cross slots, down the sloped drainage field, to the header pipe to drain water from the bulk granular material resting on the high flexural strength mats. The entire system may be quickly disassembled, moved to a different location, and reassembled with the number of modular units being changed according to the circumstances.