Monolithic Exchanger-Reactor Connectors via Additive Manufacturing
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Solution Overview
Problem
Current manufacturing methods for one-piece millistructured exchanger-reactors face challenges in producing connectors simultaneously with the exchange and distribution zones, limiting design possibilities and leading to assembly interface issues.
Innovation Solution
The use of additive manufacturing with metal powders to create connectors and exchange zones in a single block, incorporating internal supports with specific geometries and porosity to facilitate seamless integration and eliminate assembly interfaces, allowing for the production of complex shapes without welding or brazing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If connectors are manufactured separately and assembled to the exchange zone, then assembly flexibility is improved, but assembly interfaces and potential defects are introduced
Solution Approach 1:
The patent merges the connectors and exchange zone into a single monolithic component manufactured by additive manufacturing. This eliminates assembly interfaces between connectors and the exchange zone, removing potential defect sources while maintaining manufacturing flexibility through digital design and single-step production capability.
2Reliability
If additive manufacturing is used to manufacture the entire exchanger-reactor in one piece, then assembly interfaces are eliminated, but manufacturing complexity increases
Solution Approach 1:
The patent segments the monolithic exchanger-reactor into functional zones (input connector, output connector, exchange zone, distribution zone) that are designed and manufactured together as one piece. This functional segmentation allows complex geometries to be managed through modular design principles while maintaining the benefits of a single-piece construction without assembly interfaces.
3Ease of manufacture
If connectors are designed with limited positioning possibilities, then manufacturing simplicity is maintained, but design flexibility is reduced
Solution Approach 1:
The patent utilizes additive manufacturing parameters (layer thickness, infill density, support structures, material selection) to achieve complex connector geometries and positioning arrangements that would be impossible with traditional manufacturing. This allows optimal positioning and orientation of connectors relative to the exchange zone while maintaining manufacturing simplicity through digital modeling and automated production.
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 enables the production of robust, defect-free exchanger-reactors with improved heat transfer and fluid distribution, enhancing the efficiency of steam reforming processes by allowing for the manufacture of connectors and exchange zones in a single step, thereby eliminating assembly weaknesses and maximizing design flexibility.
Implementation Method 1
The additive manufacturing method uses as base material at least one metal powder of micrometric size
Data Source
Figure 1
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Figure 4~5
AI summary
The invention relates to a single-component exchanger-reactor comprising, from bottom to top, in the direction of production; a dispensing area (3); an inflow connector (11) and an outflow connector (12), which each have the form of a half cylinder and are arranged next to the dispensing region, on either side thereof; an inlet (1) arranged on the front face of the inflow connector; an outlet (2) arranged on the front face of the outflow connector; and an exchange area consisting of reative channels (5) and product channels (6); each connector comprising supports in the inner upper part thereof.