Rotating Magnetic Disk Stirring Pressure Vessel
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Solution Overview
Problem
Existing pressure vessels for heating samples are inefficient due to slow and uneven heating methods, particularly when using liquids, which hinder the initiation and facilitation of chemical and physical pressure reactions.
Innovation Solution
A pressure vessel design featuring a rotating magnetic disk within a reaction chamber, driven by a magnet arrangement, which creates a rotating magnetic field to stir the liquid efficiently, combined with a microwave-absorbent ceramic plate for enhanced heating and uniform temperature distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If samples are heated indirectly by way of liquid in the reaction chamber, then the heating process can be simplified, but the heating efficiency becomes slow and inefficient
Solution Approach 1:
The patent applies the dynamics principle by introducing a rotating magnetic disk that creates fluid motion in the liquid. The disk rotates to generate vortices and circulation patterns, transforming the static liquid into a dynamic flowing medium. This dynamic motion enhances heat transfer efficiency while maintaining the simplicity of indirect heating through the liquid medium.
Solution Approach 2:
The rotating magnetic disk generates mechanical vibrations and turbulent flow patterns in the liquid. The rotation creates periodic disturbances and vortices that enhance convective heat transfer. This mechanical motion of the liquid, driven by the magnetic disk, significantly improves heating efficiency while keeping the overall heating process simple and indirect.
2Ease of manufacture
If liquid is used as a heating medium in the reaction chamber, then sample heating can be achieved, but the temperature distribution becomes non-uniform
Solution Approach 1:
The rotating magnetic disk creates continuous fluid motion and circulation patterns in the liquid heating medium. This dynamic motion prevents stagnant zones and ensures uniform heat distribution throughout the liquid. The vortices and flow patterns generated by the rotating disk mix the liquid continuously, maintaining homogeneous temperature distribution while preserving the simplicity of indirect heating.
3Productivity
If a magnetic disk with passage bores is rotated to stir liquid, then liquid circulation and mixing are improved, but the device complexity increases
Solution Approach 1:
The magnetic disk incorporates passage bores that function similarly to porous structures, allowing liquid to flow through the disk during rotation. These passages create efficient circulation paths and enhance mixing without requiring complex external piping or mechanisms. The porous-like structure of the disk with its multiple passages achieves effective liquid stirring while maintaining relatively simple disk geometry.
4Productivity
If the passage bore extends transversely away from the axis of rotation, then liquid flow through the disk is enhanced, but manufacturing precision requirements increase
Solution Approach 1:
The passage bores in the magnetic disk are designed with asymmetric orientation, extending transversely away from the axis of rotation at specific angles. This asymmetric configuration optimizes liquid flow paths and enhances stirring efficiency by creating more effective vortices and circulation patterns. The asymmetric design, while requiring some manufacturing precision, achieves superior flow efficiency compared to symmetric radial passages.
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 solution enables more efficient and uniform heating of samples by effectively stirring and heating the liquid, leading to improved reaction conditions and increased heating efficiency.
Implementation Method 1
a magnet arrangement, provided outside the reaction chamber, for generating a rotating magnetic field for rotationally driving the magnetic disk about its axis of rotation
Implementation Method 2
the passage bore, which passes through the rotating magnetic disk transversely in relation to the axis of rotation, has the effect of bringing about a pressure difference between the openings of the passage bore. Because of this pressure difference, the liquid received in the reaction chamber is consequently driven through the passage opening
Implementation Method 3
so that the liquid is stirred or agitated (also known as the propeller effect)
Implementation Method 4
combined with a microwave-absorbent ceramic plate for enhanced heating
Data Source
AI summary
The present invention relates to a pressure vessel (1) for receiving samples (P) to be heated, having a reaction chamber (2) as a pressure space for the initiation and/or facilitation of chemical and/or physical pressure reactions, the reaction chamber (2) being designed for receiving a liquid (5), a magnetic disk (8) mounted rotatably about an axis of rotation in the reaction chamber (2), and a magnet arrangement (10), provided outside the reaction chamber (2), for generating a rotating magnetic field for rotationally driving the magnetic disk (8) about its axis of rotation, the magnetic disk (8) having at least one passage bore (13), which extends transversely in relation to the axis of rotation and is provided in such a way that liquid (5) received in the reaction chamber (2) is driven through the passage opening (13) by rotation of the magnetic disk (8) in order to stir the liquid (5).