Modular Membrane Distillation Module Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing multi-stage membrane distillation modules are cumbersome to assemble and not scalable due to permanent attachment of components through welding or gluing, limiting their flexibility and efficiency in water desalination processes.
Innovation Solution
A scalable multi-stage membrane distillation module is designed using detachable components with mechanical fasteners like nuts and bolts, allowing for easy addition or removal of stages without permanent attachment, enabling flexible scaling and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If components are permanently attached through welding or gluing, then structural strength is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The membrane distillation device is divided into multiple independent stages that can be assembled separately and then stacked together. Each stage includes its own membrane module, support structure, and sealing components, allowing for modular assembly without permanent attachment between stages. This segmentation reduces assembly complexity while maintaining structural integrity through standardized mechanical connections.
Solution Approach 2:
The patent replaces welding and gluing (permanent mechanical attachment methods) with mechanical fastening systems such as bolts, clips, or snap-fit connectors. This substitution allows for reversible attachment that maintains structural strength while significantly reducing manufacturing complexity and enabling easy disassembly for maintenance or scaling.
2Reliability
If components are permanently attached, then reliability of connection is improved, but adaptability and scalability deteriorate
Solution Approach 1:
The attachment system is designed to be dynamically adjustable rather than fixed. Mechanical fasteners allow stages to be easily added or removed from the stack, enabling the device to scale from single-stage to multi-stage configurations based on water production requirements. The standardized interface ensures reliable connections regardless of the number of stages assembled.
Solution Approach 2:
The mechanical attachment components are designed with universal applicability across all stages and configurations. The same fastening mechanism works for 2-stage, 3-stage, or N-stage assemblies, providing both reliable connection and flexible adaptability. This universal interface enables easy reconfiguration and scaling without requiring different attachment methods for different configurations.
3Manufacturing precision
If welding or gluing is used for assembly, then manufacturing precision is improved, but ease of manufacture and maintenance deteriorate
Solution Approach 1:
By segmenting the device into standardized modules with mechanical attachments, each module can be manufactured independently using conventional machining or molding processes. This eliminates the need for complex welding or gluing operations during final assembly, significantly easing manufacturing while maintaining precision through standardized tolerances and repeatable mechanical fits.
4Stability of the object's composition
If permanent attachment methods are used, then structural stability is improved, but ease of repair and maintenance deteriorate
Solution Approach 1:
The mechanical fastening system allows stages to be easily detached and reattached, enabling quick replacement of damaged membranes or components without permanent damage to the structure. Structural stability is maintained through robust mechanical connectors that ensure leak-free reassembly, while the reversible nature of the attachment dramatically improves ease of repair and maintenance.
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
This approach simplifies the fabrication process, allows for easy replacement of damaged components, and facilitates the creation of large-scale devices with automatic production, enhancing the efficiency and scalability of water desalination systems.
Implementation Method 1
heat is provided through the thermal conduction layers to evaporate the water
Implementation Method 2
A water feed is provided to the evaporation layers and heat is provided through the thermal conduction layers to evaporate the water
Implementation Method 3
The water vapors pass through the membranes into the condensation layers
Implementation Method 4
where the vapors are condensed to generate fresh water
Implementation Method 5
Through the photovoltaic effect, photovoltaic (PV) panels directly convert solar energy into electricity
Implementation Method 6
The rest of the absorbed solar energy is mainly converted into waste heat by the panels, which increases the temperature of the PV panels
Data Source
AI summary
A method for assembling a scalable, multi-stage membrane distillation module includes providing plural thermal conduction layers, plural first gaskets, plural membranes for distilling water, and plural second gaskets, where a periphery of each layer and gasket has plural holes formed all around the periphery, stacking on top of each other a first thermal conduction layer, a first gasket, a first membrane, and a second gasket, to form a first stage, stacking on top of each other, and also on top of the first stage, a second thermal conduction layer, a third gasket, a second membrane, and a fourth gasket, to form a second stage, placing plural bolts through the plural holes formed all around the periphery of each layer and each gasket of the first and second stages, and tightening with nuts the plural bolts to form one evaporation layer and one condensation layer for each of the first and second stages.