Movable Liner Unloading Bulk Biomass
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Solution Overview
Problem
Existing bulk material transport containers face issues with unloading due to bridging and nesting caused by particle differences in bulk materials like biomass, leading to flowability problems and increased maintenance costs, especially in systems with complex components and moving parts.
Innovation Solution
A liner positioned inside the transport container that can be moved from a load position to an unload position, forming an incline to facilitate the flow of bulk material, with a door mechanism to guide the material out and minimize component complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gravity drop trailers use a small opening for unloading, then unloading can be achieved, but hopper plugging occurs due to bridging effects
Solution Approach 1:
The floor is made movable and can be tilted to different positions. During loading, the floor is in a horizontal position to maximize cargo space. During unloading, the floor is tilted to create a ramp that guides material out of the hopper, preventing bridging and plugging while maintaining reliable flow.
Solution Approach 2:
The unloading mechanism utilizes the vertical dimension by tilting the floor to create an inclined plane. This transforms the unloading process from a horizontal small-opening discharge to a controlled inclined flow, eliminating bridging effects while maintaining high productivity.
2Productivity
If trailers with conveyor floors are used, then bulk material can be moved, but mechanically complex components increase purchase costs and maintenance costs
Solution Approach 1:
The complex conveyor system is completely removed and replaced with a simple tilting floor mechanism. The essential function of moving bulk material is retained through gravity-assisted flow on the inclined floor, eliminating expensive and complex conveyor components while maintaining productivity.
Solution Approach 2:
The tilting floor system uses gravity to move bulk material without requiring additional powered conveyor components. The floor itself performs the material handling function through its inclined geometry, eliminating the need for separate conveyor mechanisms.
3Productivity
If trailers with walking-beam floors are used, then bulk material can be unloaded, but moving parts increase equipment failures
Solution Approach 1:
The floor is designed as a simple, robust structure with minimal moving parts that can be easily replaced if needed. The tilting mechanism uses basic hinges and support structures rather than complex walking-beam assemblies, significantly reducing failure points while maintaining unloading functionality.
4Productivity
If box style side-dump trailers tilt the entire box to facilitate unloading, then bulk material can be unloaded, but moving parts increase equipment failures
Solution Approach 1:
Instead of tilting the entire box structure, only the floor section is made movable and tiltable. The box walls and overall structure remain stationary and stable. This segmentation isolates the moving parts to a minimal, well-defined area, reducing the complexity and failure risk associated with tilting the entire trailer box.
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 effectively mitigates bridging and nesting issues, allowing for high-volume, efficient unloading of bulk materials with fewer components and reduced equipment failures, enhancing the unloading process while maintaining a low component count.
Implementation Method 1
the liner is moved into the second position to facilitate the unloading of the bulk material
Data Source
AI summary
A system for treating biomass for the production of ethanol is disclosed. The system comprises an apparatus for unloading bulk material, comprising: a liner positioned against a wall and a floor; wherein the floor comprises an outer edge and an inner edge; wherein the wall comprises an upper edge and a lower edge; wherein the liner comprises an upper edge and a lower edge; wherein the liner can be in a first position or a second position; wherein the bulk material is loaded onto the liner in the first position; and wherein the liner is moved into the second position to facilitate the unloading of the bulk material. The apparatus for unloading bulk materials may comprise one or more cables to move the liner. The apparatus for unloading bulk materials may also comprise a mechanism to retract the one or more cables wherein the mechanism comprises a roller system.