Curved Metallic Fluidization Bed for Bulk Material Emptying
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Solution Overview
Problem
Existing fluidization devices struggle to completely empty containers of bulk materials due to incomplete fluidization, leading to material sticking and hardening, which hinders transport, especially in complex or shaped areas with limited gravity-driven movement.
Innovation Solution
A curved, metallic fluidization bed with air-permeable surfaces supported by robust structures within an air chamber, allowing for efficient distribution of compressed air and preventing material accumulation through strategically designed air passage openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If straight/flat fluidization elements are used, then the structure is simple and easy to manufacture, but fluidization is incomplete and material adheres to the container walls
Solution Approach 1:
The patent applies curved fluidization elements instead of straight/flat ones. The curved surface geometry enables better material flow and prevents dead zones where material could adhere and harden, thereby improving fluidization completeness while maintaining structural feasibility
2Ease of manufacture
If a cover is simply resting on supports without firm connection, then the structure is easy to assemble, but the cover is not dimensionally stable or robust
Solution Approach 1:
The cover is divided into multiple segments that can be independently connected to the supports. This segmentation allows for easier assembly while maintaining overall dimensional stability through the distributed connection points
Solution Approach 2:
The connection elements are pre-designed and pre-positioned on the supports before the cover is installed. This preliminary preparation ensures proper alignment and stable connection without requiring complex assembly procedures
3Device complexity
If fluidization is not achieved across the entire area, then the device complexity is reduced, but material remains or adheres to certain parts and becomes jammed
Solution Approach 1:
The fluidization elements are designed with varying local properties to address different areas of the container. The curved geometry and strategic positioning ensure that even difficult-to-reach areas receive adequate fluidization, preventing material adherence and ensuring complete emptying
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 ensures thorough fluidization and effective emptying of containers by providing a stable, robust, and dimensionally stable surface that enhances gravity-assisted discharge of bulk materials, reducing material sticking and hardening issues.
Implementation Method 1
a fluid, usually compressed air, is blown into the bulk material. The compressed air causes the solids in the bulk material to move like a fluid
Implementation Method 2
fluidization takes place over a curved, metallic and air-permeable surface
Implementation Method 3
the compressed air is distributed in the air chamber and is guided to the fluidization bed
Implementation Method 4
Too little transport movement, for example, through gravity, can be achieved
Data Source
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AI summary
The invention relates to a fluidization device, a container for storing, mixing and/or transporting bulk material, and a method for fluidizing, and in particular for storing and/or transporting, bulk material. The fluidization bed of the fluidization device has a curved surface and is supported by individual support structures arranged within an air chamber located beneath the fluidization bed.