Mixing Device Roofing Structure for Viscous Material Conveyance
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Solution Overview
Problem
Existing mixing devices face challenges in efficiently conveying and mixing materials, particularly at the edge area between the floor and wall, due to high friction and pressure, leading to inefficient energy use and mixing performance, especially with sticky or viscous materials.
Innovation Solution
The introduction of a roofing structure that separates the conveyed material from the outer driver area, allowing for unhindered conveyance and controlled dosing without auxiliary devices, by maintaining a high vertical distance between the driver and the roof, which reduces the influence of upper material pressure and facilitates efficient mixing and dosing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the outer driver ends work with the greatest lever arm and highest conveying speed in the edge area adjacent to the wall, then conveying performance is improved, but braking torque increases and requires greater drive energy
Solution Approach 1:
A roofing structure is introduced as an intermediary element that separates the conveyed material from the outer driver area. This roofing acts as a mediator that allows the driver to convey material efficiently along the wall area while preventing material from accumulating above the driver, thereby reducing the braking torque and energy consumption without sacrificing conveying performance
2Stability of the object's composition
If sloping deflectors are arranged on guide cones to push rising mixed material downwards, then mixing in the edge area is improved, but the helix diameter must decrease to accommodate the deflectors
Solution Approach 1:
Instead of modifying the helix geometry to accommodate deflectors, the invention introduces a roofing structure that extends in a different spatial dimension (vertically above the driver). This allows the driver to maintain its full volume and geometry while still achieving controlled material flow and mixing through the roofing's interaction with the material above the driver
3Ease of operation
If the vertical distance between the driver and roofing is increased, then material pressure influence is reduced and dosing control is improved, but the overall device height increases
Solution Approach 1:
The roofing structure is designed to extend only in the specific area above the driver where material separation is needed, rather than covering the entire mixing chamber. This localized approach provides effective dosing control and reduced material pressure influence in the critical driver area while minimizing the overall height increase of the device
Data Source
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AI summary
Mixing device (V), comprising a mixing container (1) having a wall (2) and a bottom (3), in which a bottom-mounted conveying device (M) rotatable about an axis (6) in a conveying direction (R) and at least one conveying section (F) extending in the conveying direction (R) are provided, wherein the conveying section (F) is bounded upwards by a roof (D), and the conveying device (M) engages in the conveying section (F) below the roof (D) in order to convey the mixing material separately from other mixing material located in the mixing container (1) along the conveying section (F).