Air dehydration and heating device
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Solution Overview
Problem
Existing air dehydration and heating devices face challenges in optimizing air flow for condenser and evaporator sections, achieving high specific drying air rates, addressing high load losses, and maintaining cleanliness and durability, especially in low temperature and humidity environments.
Innovation Solution
The improvements include rearranging evaporator and condenser serpentines in parallel and series configurations, introducing two dampers for air mixture regulation, and installing sensors and controllers to manage air properties, allowing for the selection of new or recirculated air and its quantities, enhancing the device's operational efficiency and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If evaporator and condenser serpentines are arranged in series configuration, then the device structure is simpler, but the specific drying air rate is lower and load losses are higher
Solution Approach 1:
The patent divides the serpentines into parallel sections (evaporator section and condenser section) that operate simultaneously but independently. This segmentation allows air to be processed through multiple paths at once, increasing the overall drying air rate while maintaining structural organization through dedicated sections for each function.
Solution Approach 2:
The patent transitions from a single-series linear arrangement to a parallel-dimensioned configuration where evaporator and condenser serpentines operate side-by-side. This dimensional change enables simultaneous heat exchange processes, improving productivity without significantly increasing structural complexity.
2Productivity
If evaporator and condenser serpentines are arranged in parallel configuration, then the specific drying air rate increases by 50%, but the device structure becomes more complex
Solution Approach 1:
The patent merges the evaporator and condenser functions into a unified parallel architecture where both serpentines share common air flow paths and control systems. This merging approach achieves the productivity benefits of parallel configuration while reducing overall structural complexity through shared components and integrated design.
3Adaptability or versatility
If dampers are added to regulate air mixture, then operational flexibility is enhanced, but device complexity increases
Solution Approach 1:
The patent incorporates adjustable dampers that enable dynamic regulation of air flow ratios between evaporator and condenser sections. This dynamic control mechanism allows the system to adapt to varying operational requirements and environmental conditions, enhancing versatility through programmable control strategies.
Solution Approach 2:
The patent implements control systems with sensors that monitor temperature and humidity parameters, providing feedback to automatically adjust damper positions. This feedback mechanism enables optimal operational flexibility while minimizing the perceived complexity through automated control rather than manual adjustment.
4Productivity
If sensors and controllers are installed to manage air properties, then operational efficiency is improved, but device complexity increases
Solution Approach 1:
The patent installs sensors and controllers that enable the system to self-regulate air properties (temperature, humidity, flow rates) based on predefined parameters and real-time measurements. This self-service capability improves operational efficiency by maintaining optimal conditions automatically, reducing the need for manual intervention and complex operational procedures.
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 increases specific drying air rates by 50%, improves durability and power efficiency, simplifies serpentines cleaning, and enhances fan ventilation, resulting in greater efficiency and ease of maintenance while maintaining product quality during storage and industrial processes.
Implementation Method 1
air humidity is extracted from the condensation of the water vapor in the evaporator serpentine
Implementation Method 2
the relative humidity is reduced by the addition of sensible heat into the condenser serpentine
Data Source
AI summary
An air dehydration and heating device can include a first evaporator serpentine and a second evaporator serpentine in parallel and in series with at least one condenser serpentine; a first outside air intake damper for the first evaporator serpentine and a second outside air intake damper for the second evaporator serpentine; a fan motor to drive a fan; a drying air outlet duct to receive air moved by the fan, the air having passed through at least one of the first evaporator serpentine and the second evaporator serpentine and at least one of the at least one condenser serpentine; a return drying air intake damper in a return drying air intake duct; and a processor to control temperature and humidity of drying air in the drying air outlet duct.