Peanut Kernel Separation via Gas Explosion and Negative Pressure Adsorption
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Solution Overview
Problem
Current methods for separating peanut kernels from peanut red coats are inefficient, cause damage to the materials, and result in low quality products due to temperature influences, chemical reactions, and mechanical defects.
Innovation Solution
An intelligent separation device and method that combines gas explosion, stirring, drying, and negative pressure adsorption to separate peanut kernels from peanut red coats, minimizing damage and ensuring high quality separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If mechanical methods (rubbing, grinding) are used for separation, then separation efficiency is improved, but material quality deteriorates due to mechanical defects
Solution Approach 1:
The patent replaces mechanical rubbing and grinding methods with a gas explosion-based separation system. Supersaturated steam is injected into the peanut material, causing rapid pressure changes that exploit density differences between kernels and red coats to achieve separation without direct mechanical contact, thereby maintaining material quality while improving separation efficiency.
Solution Approach 2:
The patent uses gas (supersaturated steam) injection and pressure differential control to separate peanut kernels from red coats. The steam injection system creates rapid pressure changes that cause lighter red coats to float and heavier kernels to sink, enabling separation through pneumatic principles rather than mechanical force.
2Productivity
If chemical methods (alkali liquid immersion, hydrogen peroxide soaking) are used for separation, then separation efficiency is improved, but material quality deteriorates due to chemical factors
Solution Approach 1:
The patent replaces chemical immersion and soaking methods with a physical gas explosion-based separation system. By using supersaturated steam injection and pressure differential control, the system achieves separation through physical density differences without introducing any chemical substances that could deteriorate material quality.
3Productivity
If physical methods (wet peeling, dry peeling) are used for separation, then separation efficiency is improved, but material quality deteriorates due to temperature influence
Solution Approach 1:
The patent controls the temperature and pressure parameters of the supersaturated steam injection process to achieve separation without excessive heat damage. By precisely controlling the steam parameters and injection timing, the system exploits density differences while minimizing thermal influence on material quality.
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 achieves efficient and gentle separation of peanut kernels and red coats, preserving their quality and improving processing efficiency by using a combination of physical and mechanical methods.
Implementation Method 1
the gas explosion device receives the conveyed peanut material to be removed the red coats, allows the gas explosion of the material under the effect of the pressure differential by the infiltration of supersaturated vapors and the rapid depressurization
Implementation Method 2
allows the gas explosion of the material under the effect of the pressure differential by the infiltration of supersaturated vapors and the rapid depressurization
Implementation Method 3
the drying device heats up the external air by compression, transferring the heat by hot air
Implementation Method 4
transferring the heat by hot air, and heats-drying the preliminarily disengaged peanut kernels and peanut red coats
Implementation Method 5
the negative pressure adsorption device collects fully separated peanut kernels and peanut red coats which have different density and quality respectively through negative pressure adsorption
Data Source
AI summary
An intelligent separation method of peanut kernel and red coat, feeding peanuts to be removed red coats into a device for a gas explosion of the red coats of the peanuts, to complete a preliminary separation of kernels and the red coats of the peanuts; feeding the primarily separated kernels and peanut red coats of the peanuts into the drying device to fully separate the red coats from the kernels; delivering the fully separated peanut kernels and red coats of the peanuts into a negative pressure adsorption device to collect respectively the fully separated kernels and red coats of the peanuts with different densities and qualities by a negative pressure adsorption mode, finally obtaining the kernels of the peanuts without the red coats, and the red coats of the peanuts respectively.