Weight-Controlled Compression of Long-Stem Plant Material
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Solution Overview
Problem
Current methods for compressing long-stemmed plant material, such as miscanthus stalks, are inefficient, leading to insufficient compaction and suboptimal use of transport capacity, resulting in decreased profitability of biomass and energy source utilization.
Innovation Solution
A method and device that determine the weight of long-stemmed plant material continuously and compress it to a predetermined volume or length, ensuring consistent compression regardless of stem orientation, using a weight determination unit and a movable plunger to control the compression process, eliminating the need for force-guided pressing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If long-stemmed plant material is compressed using traditional mechanical resistance methods, then the compression process is simple, but the compression uniformity deteriorates because stalks act as mechanical stamps and push through without significant compression
Solution Approach 1:
The patent replaces the traditional mechanical resistance-based compression system with a weight determination and control system. Instead of relying on mechanical pistons and resistance, the system uses weight sensors to monitor plant material weight and controls the compression process based on predetermined weight thresholds, thereby achieving uniform compression regardless of stalk orientation
Solution Approach 2:
The patent implements a feedback mechanism where the weight determination unit continuously monitors the weight of plant material in the compression chamber and provides this information to the control unit. The control unit adjusts the compression process based on this feedback, ensuring that compression occurs only when the predetermined weight is reached, thus maintaining consistent compression quality
2Productivity
If long-stemmed plant material is compressed without weight determination, then the device complexity is low, but the transport capacity utilization deteriorates due to inconsistent compression and suboptimal transport unit geometry
Solution Approach 1:
The patent replaces traditional mechanical compression monitoring with an electronic weight determination system that uses weight sensors and a control unit to monitor and control the compression process based on predetermined weight criteria, optimizing transport unit geometry and capacity utilization
Solution Approach 2:
The system automatically determines when to compress based on the weight of plant material introduced into the compression chamber, eliminating the need for manual intervention or complex mechanical timing mechanisms. The weight determination unit and control unit work together to automatically initiate compression when the predetermined weight is reached
3Manufacturing precision
If force-guided pressing is used to compress plant material, then the compression force is high, but the compression consistency deteriorates because it depends on stem orientation in the pressing direction
Solution Approach 1:
The control unit uses feedback from the weight determination unit to determine when compression should occur. By basing the compression decision on weight rather than force or stem orientation, the system achieves consistent compression results regardless of how the long-stemmed plant material is oriented in the compression chamber
Solution Approach 2:
The patent changes the control parameter from force-based to weight-based. Instead of applying compression force and monitoring mechanical resistance, the system monitors the weight of plant material introduced and triggers compression when a predetermined weight is reached, fundamentally changing how compression consistency is achieved
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 approach ensures uniform and increased compression of plant material, optimizing transport efficiency and reducing costs by maintaining consistent tonnage and geometry of transport units, with an accuracy of size and weight deviation less than 5%.
Implementation Method 1
determine the weight of long-stemmed plant material continuously
Implementation Method 2
compress it to a predetermined volume or length
Data Source
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AI summary
Disclosed is a method for compressing long-stem plant material (9) in which the long-stem plant material is introduced into a compression unit (1) and is pressed, and the long-stem plant material pressed in the compression unit is packaged to form transportable units. In the disclosed method, an amount of the long-stem plant material that is predefined on the basis of the weight thereof is introduced into the compression unit.