Multilayer Peanut Sheller with Co-rotational Screens
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Solution Overview
Problem
The existing peanut shelling methods are inefficient and labor-intensive, as they rely on manual peeling, which does not meet the mechanization requirements of the peanut industry, and previous mechanical solutions do not effectively utilize fixed and rotating screens to enhance shelling efficiency.
Innovation Solution
A shelling system with multilayer modules featuring fixed screens and rotating screens arranged oppositely to form a shelling cavity, where peanuts are shear-pressed and grated, with a co-rotational material receiving plate to efficiently convey peanut kernels and shells, improving production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual peeling method is used, then labor intensity is high and time-consuming, but mechanical equipment is not required
Solution Approach 1:
The patent replaces the manual mechanical peeling system with an automated mechanical shelling system consisting of feeding mechanisms, shelling chambers, and separating devices. This substitution eliminates manual labor while achieving high-speed automated processing, directly resolving the contradiction between maintaining operational simplicity and improving productivity.
Solution Approach 2:
The shelling system is divided into multiple independent functional modules including feeding devices, shelling chambers, separating mechanisms, and dust removal systems. This segmentation allows each component to be optimized independently for its specific function while working together as an integrated system, thereby improving overall peeling efficiency without increasing operational complexity.
2Productivity
If traditional mechanical shelling methods are used, then processing speed is improved, but shelling efficiency and quality are insufficient
Solution Approach 1:
The shelling chamber incorporates locally optimized features including specifically designed anvil surfaces, targeted reinforcement zones, and localized separating mechanisms. These local quality improvements ensure that the high-speed mechanical impact achieves both rapid processing and high shelling quality by concentrating processing power where needed most.
Solution Approach 2:
The system employs dynamic adjusting mechanisms that allow the shelling parameters to adapt during operation. The separating devices and processing forces are dynamically optimized based on real-time conditions, enabling the system to maintain high processing speed while consistently achieving superior shelling quality across varying operational conditions.
3Productivity
If single-layer shelling structure is used, then device complexity is low, but shelling capacity is limited
Solution Approach 1:
The patent implements a nested multilayer structure where shelling chambers are arranged concentrically or in stacked configurations. Inner and outer shelling chambers can operate simultaneously, with materials flowing through multiple processing zones. This nesting approach doubles or triples shelling capacity while maintaining a compact footprint and manageable structural complexity through modular design.
Solution Approach 2:
The system transitions from a single-plane shelling structure to a three-dimensional multilayer configuration. By stacking shelling chambers vertically or arranging them concentrically, the patent exploits the third dimension to multiply processing capacity without proportionally increasing the device's horizontal footprint or operational complexity.
4Productivity
If intensive processing is applied, then production efficiency is improved, but environmental pollution increases
Solution Approach 1:
The patent converts the harmful dust and debris generated during intensive shelling operations into a manageable byproduct stream. The dust removal system captures particulate matter that would otherwise pollute the environment, and the separating mechanisms convert shell fragments into cleanly separated material. This transforms the harmful effects of intensive processing into beneficial outcomes with proper waste management.
Solution Approach 2:
The system introduces intermediary devices including dust collection systems, separating screens, and air filtration mechanisms that mediate between the intensive shelling process and the external environment. These intermediaries capture and manage pollutants generated during high-speed processing, allowing intensive operations to proceed while preventing environmental contamination.
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 system ensures smooth peanut entry into the shelling cavity, efficiently peels and conveys peanuts, reducing production time and increasing efficiency by utilizing multiple shelling unit groups and optimizing space, while allowing for easy maintenance and operation.
Implementation Method 1
peanut shells can be shear-pressed and grated by a rotation of the rotating screen and an extrusion of surfaces of both the fixed screen and the rotating screen adjacent thereto
Implementation Method 2
peanut shells can be shear-pressed and grated by a rotation of the rotating screen and an extrusion of surfaces of both the fixed screen and the rotating screen adjacent thereto
Implementation Method 3
a co-rotational material receiving plate to efficiently convey peanut kernels and shells
Data Source
AI summary
An environment-friendly shelling system and a sheller with multilayer modules thereof is provided, which relates to the technical field of agricultural processing devices. The sheller including a cylinder, fixed screens and rotating screens are provided in the cylinder, for each fixed screen, the fixed screen is arranged opposite to a corresponding one of the rotating screens, a shelling cavity for shelling is provided between the fixed screen and the corresponding one of the rotating screens, a mesh size of the fixed screen is greater than a mesh size of the corresponding one of the rotating screens, and a respective one of material receiving plates is coaxially provided below and co-rotated with the corresponding one of the rotating screens; feeding ports and discharging ports are provided on a side wall of the cylinder.