Grow Zone Ventilation Layout for Stable Airflow and Humidity Control
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Solution Overview
Problem
Current indoor farming systems are expensive, inefficiently utilize space, and result in variations in airflow and environmental conditions, leading to reduced crop yields and increased resource consumption.
Innovation Solution
The system includes modular, enclosed growing facilities with partitioned zones and air handling equipment that provide stable airflow and controlled environmental conditions, utilizing dual-purpose dry coolers and heat pumps for heating and cooling, and integrated air characteristic controls to optimize growth conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing indoor farming systems are implemented, then crops can be grown in controlled environment, but the systems require relatively expensive sensor and control systems
Solution Approach 1:
The system divides the growing space into multiple independent chambers or zones, each with its own environmental controls. This segmentation allows for localized control of temperature, humidity, and airflow in each chamber, reducing the complexity of controlling the entire space uniformly while maintaining reliable controlled environments for crop growth.
Solution Approach 2:
Different regions or chambers within the growing space are provided with differentiated environmental conditions tailored to specific crop requirements. Each chamber can have customized temperature, humidity, and airflow settings, allowing optimal growth conditions for different plant types or growth stages without requiring complex centralized control for the entire facility.
2Reliability
If existing indoor farming systems are implemented, then crops can be grown indoors, but large space is required and space is inefficiently allocated
Solution Approach 1:
The system employs nested or stacked chamber configurations where growing chambers are arranged vertically or in nested arrangements. This allows multiple growing zones to occupy overlapping or adjacent spatial volumes, significantly increasing the effective growing area per unit of facility floor space while maintaining independent environmental control in each chamber.
Solution Approach 2:
The design transitions from traditional horizontal space utilization to three-dimensional space utilization through vertical stacking of growing chambers. By extending the growing space into the vertical dimension, the system achieves much higher crop production density per unit of facility footprint, efficiently allocating available space for indoor farming operations.
3Ease of manufacture
If existing layout configurations are used, then facility can be constructed, but variations in airflow and environmental conditions result in reduced yields
Solution Approach 1:
The system incorporates adjustable and reconfigurable airflow controls, movable partitions, and adaptable environmental parameters in each chamber. These dynamic elements allow the facility to be optimized for different crop types and growth stages, ensuring consistent environmental conditions that maximize crop yields while maintaining construction flexibility.
Solution Approach 2:
Each chamber is equipped with independent controls for temperature, humidity, airflow rate, and other environmental parameters. By precisely adjusting these parameters in each chamber based on specific crop requirements, the system eliminates harmful environmental variations that would otherwise reduce yields, while the modular design keeps construction straightforward.
4Productivity
If traditional indoor farming approaches are used, then crops can be produced, but resources are inefficiently utilized resulting in higher costs and reduced yields
Solution Approach 1:
The system implements continuous airflow circulation and environmental parameter optimization in each chamber, ensuring that resources such as heated or cooled air are continuously utilized rather than lost. Energy-efficient HVAC integration and heat recovery between chambers maintain optimal conditions continuously, reducing energy waste while sustaining high productivity levels throughout the growing operation.
Solution Approach 2:
The modular chamber design allows each unit to be independently optimized and operated, with resources allocated efficiently to each chamber based on its specific needs. This self-contained approach enables precise resource application where needed, eliminating waste from over-provisioning or uniform treatment of all spaces, thereby reducing overall resource consumption while maintaining high crop production.
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
This approach reduces resource use, enhances yield and efficiency, and allows for controlled growth from seeds to maturity with improved traceability and sustainability, while minimizing space requirements.
Implementation Method 1
at least one heat pump in fluid communication with the cold fluid loop and the warm fluid loop, wherein the at least one heat pump is configured to move heat from the cold fluid loop to the warm fluid loop
Implementation Method 2
at least one dry cooler in fluid communication with the warm fluid loop, wherein the at least one dry cooler dissipates heat from the warm fluid loop to an ambient environment outside of the enclosed structure
Implementation Method 3
The plenum wall can be configured to provide a laminar airflow into the grow zone
Data Source
AI summary
A ventilation system may include at least one air handler configured to supply an air flow to an enclosed grow zone and at least one heat pump coupled the at least one air handler and to at least one dry cooler. The at least one heat pump is operable in a first mode of operation in which a heat exchange fluid is cooled by the dry cooler and used to cool the air flow to remove moisture before the air handler supplies the air flow to the enclosed grow zone.