Modular Sorbent Bed Cartridge for Consistent DAC Airflow
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Solution Overview
Problem
Existing carbon dioxide removal systems, particularly direct air capture (DAC) systems, face challenges in efficiency, reliability, ease of maintenance, and cost, limiting their widespread adoption for carbon capture from ambient air.
Innovation Solution
A sorbent bed cartridge with an exoskeleton and thickness control system that secures sorbent beds in a predetermined array, allowing for optimal airflow and maintaining a preselected thickness, facilitating efficient carbon capture and simplified movement within a modular sorbent bed system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If sorbent beds are arranged in a modular cartridge system with exoskeleton, then ease of maintenance and handling is improved, but device complexity increases
Solution Approach 1:
The sorbent bed system is divided into modular cartridges that can be independently handled, moved, and maintained. Each cartridge is a self-contained unit with exoskeleton structure, allowing individual replacement without affecting the entire system, thus improving maintenance ease while the modular nature actually reduces overall system complexity
Solution Approach 2:
The exoskeleton acts as an intermediary structure between the sorbent bed material and the external environment. It provides a standardized interface for handling, positioning, and securing the sorbent beds within the cartridge, simplifying maintenance operations while containing the complexity of sorbent bed arrangement within the cartridge structure
2Manufacturing precision
If thickness control system is implemented to maintain preselected sorbent bed thickness, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The exoskeleton is pre-formed with integrated thickness control features before the sorbent beds are installed. The structure includes pre-positioned support elements and constraints that automatically maintain the correct sorbent bed thickness during assembly and operation, achieving manufacturing precision without requiring complex active control systems
Solution Approach 2:
The exoskeleton structure is designed to self-regulate and maintain the sorbent bed thickness through its inherent geometric constraints and support features. The structure automatically compensates for variations in sorbent bed compression and expansion, providing consistent thickness control without external intervention or complex control mechanisms
3Productivity
If sorbent beds are secured in predetermined array within exoskeleton, then productivity is improved through efficient airflow, but device complexity increases
Solution Approach 1:
The exoskeleton provides differentiated structural support and airflow characteristics at different locations within the cartridge. The predetermined array arrangement optimizes local airflow patterns through strategically positioned support elements, improving carbon capture efficiency while the localized optimization actually reduces overall system complexity by avoiding the need for complex active flow control
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
Enhances the efficiency and ease of maintenance of carbon capture processes by ensuring consistent airflow and pressure drop, reducing the number of handling steps, and minimizing arcing risks, thereby improving the scalability and cost-effectiveness of DAC systems.
Implementation Method 1
Adsorbent material acts like a high-capacity molecular sponge to selectively capture CO2
Data Source
AI summary
A sorbent bed cartridge includes an exoskeleton having an interior space configured to receive a sorbent bed, and a thickness control system to at least substantially maintain a preselected thickness of the bed. A system includes a chamber to hold one or a plurality of the cartridges, which are movable into and out of the chamber. A method of forming the cartridge includes securing the bed within the exoskeleton, and utilizing the thickness control system to maintain the preselected thickness of the bed. A cartridge includes an exoskeleton having first and second side plates and first and second end external plates, the exoskeleton configured to receive a plurality of beds in a predetermined array for carbon capture airflow, and enables movement of the cartridge and the plurality of beds contained therein into and out of a chamber sized to hold a singular or plurality of the cartridges.