Static Lamination Micro Mixer Segmented Plates
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Solution Overview
Problem
Micro-mixers constructed from permanently connected plates are difficult to clean due to clogging from contaminating particles, restricting their usage and requiring complex disassembly for maintenance.
Innovation Solution
A static lamination micro-mixer design featuring a slotted plate with continuous slot openings and an aperture plate with aperture slots, allowing for easy cleaning and efficient mixing of fluid phases with low pressure loss, enabling high throughput and rapid mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If micro-mixers are constructed from permanently connected plates to achieve compact structure and effective mixing, then mixing effectiveness is improved, but cleaning becomes difficult and device complexity increases
Solution Approach 1:
The micro-mixer is divided into modular plate components that can be separated from each other. Each plate contains the mixing channels and structures, and the plates are connected in a stackable arrangement that allows easy disassembly for cleaning, thereby maintaining mixing effectiveness while enabling straightforward maintenance
Solution Approach 2:
The mixing plates are extracted as separate, removable components from the overall mixer assembly. This allows the plates to be taken out individually for cleaning without disassembling the entire device, resolving the contradiction between maintaining a compact integrated structure and enabling easy cleaning access
2Stability of the object's composition
If micro-mixers use complex plate connections to maintain structural integrity, then structural stability is improved, but manufacturing complexity and cleaning difficulty increase
Solution Approach 1:
The structure is segmented into standardized plate modules with simple connection interfaces. Each plate maintains structural integrity through its design, while the connections between plates use straightforward mechanisms that reduce overall device complexity and facilitate easy assembly and cleaning
3Reliability
If slot openings are made small to improve mixing quality, then mixing effectiveness is improved, but pressure loss increases and clogging risk increases
Solution Approach 1:
The slot openings have non-uniform geometry with varying widths along their length, creating different flow characteristics in different regions. This local variation in opening size optimizes mixing quality in critical areas while maintaining lower pressure loss in other regions, resolving the contradiction between mixing effectiveness and energy loss
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 micro-mixer is economically produced, easy to clean, and achieves rapid and effective mixing of fluids with low pressure loss, suitable for large throughputs and uniform mixing quality.
Implementation Method 1
Static micro-mixers use the principle of multi-lamination, in order in this way to achieve rapid mixing of fluid phases by means of diffusion
Implementation Method 2
These effects can be produced, for example, by separations of vortices behind the plates or by transverse components from the feed lines. The mixing at the molecular level as a result of diffusion is consequently overlaid by secondary flows, which lead to a shortening of the diffusion paths and therefore the mixing times
Data Source
AI summary
Static lamination micro mixer comprising at least one slotted plate having slot openings and an aperture plate having aperture slots arranged above the slotted plate.