Dynamic Mixer Radial Premixing for Viscous Fluids
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Solution Overview
Problem
Dynamic mixers face challenges in maintaining a consistent mixing ratio and achieving efficient mixing of viscous or pasty components, leading to increased energy consumption, longer mixer designs, and higher pressure losses, which complicates handling and reduces the operational duration of discharge devices.
Innovation Solution
A dynamic mixer with a housing and rotatable rotor element, featuring multiple antechambers and a main chamber, where components are premixed radially by mixing elements before entering the main chamber, reducing energy expenditure and mixing time, and utilizing vane elements for effective component rearrangement and mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the mixer length is increased to achieve better mixing of viscous components, then mixing quality is improved, but energy consumption and pressure loss increase
Solution Approach 1:
The mixer is divided into multiple chambers (first mixing chamber, second mixing chamber, third mixing chamber) with distinct functions. The first chamber handles component introduction and initial mixing, the second chamber performs radial premixing, and the third chamber completes the mixing process. This segmentation allows each chamber to be optimized for its specific task, achieving thorough mixing without requiring excessive overall length or energy input.
Solution Approach 2:
Radial premixing elements are introduced in the second mixing chamber to preliminarily mix components before they enter the main mixing chamber. This preliminary action reduces the mixing burden on subsequent chambers, allowing for more efficient overall mixing with reduced energy consumption and shorter mixer length.
2Manufacturing precision
If the mixer length is increased to achieve better mixing of viscous components, then mixing quality is improved, but the device becomes more complex and heavier
Solution Approach 1:
The mixer is divided into multiple chambers (first mixing chamber, second mixing chamber, third mixing chamber) with distinct functions. The first chamber handles component introduction and initial mixing, the second chamber performs radial premixing, and the third chamber completes the mixing process. This segmentation allows each chamber to be optimized for its specific task, achieving thorough mixing without requiring excessive overall length or energy input.
Solution Approach 2:
Radial premixing elements are introduced in the second mixing chamber to preliminarily mix components before they enter the main mixing chamber. This preliminary action reduces the mixing burden on subsequent chambers, allowing for more efficient overall mixing with reduced energy consumption and shorter mixer length.
3Power
If the drive unit is made larger to provide more mixing force, then mixing capability is improved, but handling becomes more difficult and operational duration is reduced
Solution Approach 1:
The mixer is divided into multiple chambers (first mixing chamber, second mixing chamber, third mixing chamber) with distinct functions. The first chamber handles component introduction and initial mixing, the second chamber performs radial premixing, and the third chamber completes the mixing process. This segmentation allows each chamber to be optimized for its specific task, achieving thorough mixing without requiring excessive overall length or energy input.
Solution Approach 2:
Radial premixing elements are introduced in the second mixing chamber to preliminarily mix components before they enter the main mixing chamber. This preliminary action reduces the mixing burden on subsequent chambers, allowing for more efficient overall mixing with reduced energy consumption and shorter mixer length.
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 design achieves efficient mixing with reduced energy consumption, a more compact mixer construction, and lower pressure losses, allowing for smaller and lighter drive units and extended operational duration.
Implementation Method 1
The mixing generally takes place by shear forces, with the components being urged through the mixer
Implementation Method 2
The components are rearranged repeatedly by the vane element or elements and by the optionally provided static mixing elements in a kneading manner
Data Source
AI summary
A dynamic mixer (1, 100) for a plurality of fluid components contains a housing (2, 102) and a rotor element (3, 103) which is rotatably arranged in the housing, with the housing having an inlet opening (12, 13, 112, 113) for at least one respective component and having at least one outlet opening (20, 120). A ring-shaped intermediate space (15, 115) is provided between the rotor element and the housing in which a mixing element (7, 107) connected to the rotor element (3, 103) is arranged. The housing includes a first antechamber (21, 121) and a main chamber (22, 122). A second antechamber (17, 117) is provided which is arranged downstream of the first antechamber (21, 121) so that the first antechamber (21, 121) can be flowed through by the components before the components enter into the second antechamber (17, 117).