Seed Treatment Device Using Heated Atomization
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Solution Overview
Problem
Existing seed treatment methods are inefficient and costly, with chemical treatments being toxic and providing short-term protection, and existing devices for seed treatment do not effectively enhance absorption and adhesion of treatment fluids, leading to incomplete coverage and dust generation.
Innovation Solution
A seed treatment apparatus that uses a centrifugal atomizer wheel with heated and dehumidified air to enhance fluid vaporization and absorption, incorporating a control system for temperature and humidity adjustments to optimize treatment fluid properties and reduce treatment time, while minimizing dust and equipment buildup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical treatments are applied to seeds, then protection against pests and pathogens is achieved, but the treatment composition is expensive, toxic, and provides only short-term protection
Solution Approach 1:
The patent changes the physical parameters of the treatment fluid by heating it to reduce viscosity and enhance vaporization. This improves fluid penetration and absorption by seeds while potentially reducing the amount of chemical treatment needed, thereby addressing toxicity and cost concerns while maintaining protection effectiveness
Solution Approach 2:
The patent replaces traditional mechanical spray application with a vaporization-based treatment system. By heating the treatment fluid and allowing it to vaporize, the system achieves more uniform and thorough seed coating without the mechanical constraints of conventional spraying, improving both effectiveness and reducing chemical usage
2Reliability
If treatment fluid is applied to seeds, then protection is achieved, but absorption and adhesion are insufficient leading to incomplete coverage
Solution Approach 1:
The patent applies heat to change the physical parameters of both the treatment fluid and the seeds. Heating reduces fluid viscosity for better flow and penetration, while also affecting seed surface properties to enhance absorption and adhesion, thereby achieving more complete coverage with better substance retention
Solution Approach 2:
The patent utilizes phase transition by heating the treatment fluid to its vaporization point. The vaporized treatment material then condenses and deposits on the seed surface, creating a more uniform and adherent coating compared to liquid application, thus improving both coverage completeness and substance retention
3Manufacturing precision
If treatment time is extended to improve coating quality, then coverage is enhanced, but productivity decreases
Solution Approach 1:
The patent replaces time-intensive mechanical coating processes with a rapid vaporization and condensation process. The heated treatment fluid vaporizes quickly and deposits uniformly on seeds in a short time frame, achieving high coating quality without sacrificing productivity
Solution Approach 2:
By utilizing the rapid phase transition from liquid to vapor and back to condensed form on the seed surface, the system achieves thorough and uniform coating in a brief period. This phase change process is inherently faster than mechanical application methods, simultaneously improving coating quality and maintaining high throughput
4Reliability
If more treatment fluid is applied to ensure coverage, then protection is improved, but cost and toxicity exposure increase
Solution Approach 1:
The vaporization-based application system delivers treatment material more efficiently and uniformly than mechanical spraying. This prevents waste through overspray and ensures that the treatment fluid actually reaches and adheres to the seeds, reducing the total quantity needed while maintaining or improving protection effectiveness
Solution Approach 2:
The phase transition process concentrates the treatment material in vapor form, which then deposits efficiently on the seed surface. This targeted delivery through phase change reduces scattering and waste, allowing effective treatment with smaller quantities of expensive and potentially toxic chemical compositions
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 apparatus achieves uniform and thorough seed coating in less time, reduces treatment time, and minimizes dust generation, resulting in improved seed protection and increased treatment capacity with reduced equipment maintenance.
Implementation Method 1
a centrifugal atomizer wheel with heated and dehumidified air to enhance fluid vaporization and absorption
Implementation Method 2
In embodiments heat is added to the treatment region of the seed. In certain embodiments, conditioned air may be heated and/or dehumidified and provided into the seed treatment apparatus
Implementation Method 3
The conditioned air may be provided to the seed or seed stream prior to fluid application region. In embodiments, conditioned air includes dehumidified air to enhance the vaporization of the treatment fluid
Data Source
AI summary
A seed treater provides enhanced seed coating capabilities and performance. The seed and/or treatment fluid may be heated for improving vaporization and absorption by the seed. Air may be injected in the seed treater to provide heat, dehumidified air, and to provide vaporization enhancement, and component cleaning functions. The functions may be controlled by a control processor based on recipes and may be changed dependent upon sensed or input environmental conditions such as temperature and humidity.