Disk Agitator Impact Units for Scalable Mechanochemical Activation
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Solution Overview
Problem
Existing mechanochemical activation technologies, such as vibratory mills and planetary ball mills, suffer from insufficient activation and limited scalability, and catalytic processes face challenges in catalyst recovery.
Innovation Solution
A device and agitator system with a disk-like agitating body and impact units for mechanical activation of substances, allowing for solvent-free mechanochemical reactions, enhanced activation, and scalability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If vibratory mills and planetary ball mills are used for mechanical activation, then mechanochemical reactions can be carried out, but the degree of activation is insufficient and scaling to production scale is limited
Solution Approach 1:
The patent employs a dynamic agitating body with multiple impact units that rotate at different speeds and trajectories, creating variable mechanical activation conditions throughout the container. This dynamic approach ensures high activation degree while maintaining scalability to production volumes, resolving the contradiction between insufficient activation and limited scaling capability.
Solution Approach 2:
The agitating body is segmented into multiple impact units distributed across its surface, each contributing to the overall activation process. This segmentation allows the system to maintain effective activation across larger volumes when scaled up, as each segment independently activates material in its zone, thus enabling both high activation degree and production-scale capability.
2Adaptability or versatility
If catalytic processes are used in ball mills, then reactions such as C-N or C-C cross-coupling can be achieved, but catalyst recovery is difficult
Solution Approach 1:
The patent extracts the catalyst from the bulk reaction mixture by using the mechanical activation process to separate catalytic components through size-based classification and filtration mechanisms integrated into the system. This allows catalytic processes to be performed while enabling easy catalyst recovery, resolving the contradiction between reaction versatility and catalyst recovery difficulty.
3Productivity
If geometric and process-related activation parameters are adapted to substances, then activation efficiency improves, but the complexity of parameter setting increases
Solution Approach 1:
The patent incorporates adjustable parameters including agitating body rotation speed, impact unit configuration, and container geometry that can be optimized for different substances. These parameter changes enable high activation efficiency for various materials while the system maintains manageable complexity through standardized adjustment mechanisms and pre-configured settings for common application types.
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 achieves efficient mechanochemical reactions with reduced energy consumption, no byproducts, and improved adaptability for various applications.
Implementation Method 1
The point of mechanochemistry is that material is brought into an active state, in which the material is particularly reactive, by a mechanical activation, in particular by shear and normal strains.
Implementation Method 2
at least one impact unit (3), which has a head region (4) with an activation surface (5) for cooperation with activation bodies (K)
Data Source
AI summary
A device for mechanical activation of organic and/or inorganic substances and/or substance mixtures in chemical, pharmaceutical, food-related and/or building material-related applications includes a disk-like agitating body for rotationally fixed mounting on an agitator shaft, and at least one impact unit, which has a head region with an activation surface for cooperation with activation bodies, wherein the at least one impact unit is fastened to the disk-like agitating body radially on the outside with respect to an axis of rotation of the disk-like agitating body. An agitator system with the device is also disclosed.