Vacuum Nut Tempering Tank for Rapid Moisture Absorption
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Solution Overview
Problem
Conventional nut tempering processes for pecans and other nuts are time-consuming, typically taking tens of hours, which is inefficient and can delay further processing steps like sanitizing and cracking.
Innovation Solution
An automated nut processing system that uses a vacuum tank with a controlled vacuum pump to create a specific vacuum pressure and maintain it for a defined dwell time, significantly reducing the tempering time to minutes by optimizing moisture absorption within the nut shells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional tempering methods are used, then nuts are properly tempered, but the process takes tens of hours which is time-consuming
Solution Approach 1:
The patent applies parameter changes by modifying the pressure environment from atmospheric to vacuum conditions. This fundamental parameter change accelerates moisture absorption kinetics, reducing tempering time from tens of hours to minutes while maintaining proper tempering quality. The vacuum pressure parameter transformation enables rapid moisture penetration into nut kernels without compromising the tempering outcome.
Solution Approach 2:
The system performs preliminary action by pre-vacuuming the tank before introducing nuts and water. This preliminary vacuum creation prepares the environment for accelerated moisture absorption, ensuring that when tempering begins, the vacuum conditions are already optimized for rapid moisture penetration, thereby reducing the overall tempering duration.
2Manufacturing precision
If conventional tempering methods are used, then nuts are properly tempered, but the process is inefficient and delays subsequent processing
Solution Approach 1:
By changing the pressure parameter to vacuum conditions, the system achieves rapid tempering that maintains quality while dramatically improving productivity. The vacuum environment accelerates moisture absorption rates, allowing nuts to be tempered in minutes rather than tens of hours, thus eliminating delays to subsequent sanitizing and cracking operations.
Solution Approach 2:
The patent replaces the conventional passive mechanical tempering system with an active vacuum-based system. Instead of relying on natural moisture diffusion over extended periods, the vacuum mechanism actively draws moisture into nuts rapidly, substituting a slow mechanical diffusion process with a faster pressure-driven absorption process, thereby enhancing overall processing efficiency.
3Loss of time
If vacuum pressure is applied, then tempering time is reduced, but system complexity increases
Solution Approach 1:
The patent uses the vacuum tank as an intermediary device that mediates between the vacuum pump and the nuts. This intermediary containment structure allows the vacuum pressure to be applied uniformly and controlled, achieving rapid tempering while managing system complexity through a standardized tank design that can be integrated into existing processing lines.
Solution Approach 2:
The vacuum creates an inert-like environment that facilitates rapid moisture absorption without introducing oxygen or other gases that could cause oxidation or contamination. This inert vacuum environment achieves fast tempering while using a relatively simple vacuum pump and sealed tank configuration, avoiding the need for complex gas mixing or control systems.
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 automated system reduces tempering time from hours to minutes, enhancing the efficiency of the nut processing workflow and preparing nuts for subsequent steps like sanitizing and cracking more quickly.
Implementation Method 1
controlling a vacuum pump to create a vacuum inside a tank that is sealed closed
Implementation Method 2
During tempering, the nutshell absorbs moisture from outside, and then the kernel inside the shell further absorbs the moisture from inside the shell
Data Source
AI summary
A method for automated tempering using a nut processing system includes obtaining, by at least one processor, a set of tempering parameters that includes a vacuum pressure parameter and a dwell time. The method includes controlling a vacuum pump to create a vacuum inside a tank that is sealed closed, the sealed tank containing water and nuts. The method includes determining whether a measured vacuum pressure of the vacuum satisfies a vacuum pressure condition defined by the vacuum pressure parameter. The method includes in response to a determination that the vacuum pressure condition is satisfied, tempering the nuts in the tank having the vacuum for the dwell time.