Filtration System for Thermo-Fogging Pressure Control
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Solution Overview
Problem
The introduction of air and treatment chemicals into environmentally sealed storage rooms using thermo-fogging methods can lead to a substantial increase in internal pressure, causing uncontrolled exfiltration of air and reducing the efficiency of the treatment process.
Innovation Solution
A venting manifold with an in-line duct fan is used to exhaust storage room air, coupled with a filtration system to capture air-borne particles and reduce pressure, thereby preventing pressure buildup and minimizing the exfiltration of chemicals and contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If air and treatment chemicals are introduced into the storage room using thermo-fogging methods, then the treatment process is applied to the stored commodities, but the internal pressure of the storage room increases substantially causing uncontrolled exfiltration of air and reducing treatment efficiency
Solution Approach 1:
A venting manifold with filtration system is introduced as an intermediary component between the storage room interior and the external environment. This mediator allows controlled pressure relief while filtering exfiltrated air, resolving the contradiction by providing a regulated pathway that maintains both pressure control and treatment efficiency.
Solution Approach 2:
The system dynamically adjusts the venting parameters (opening/closing timing, filtration level) based on the treatment phase. During fogging, vents remain closed to maintain pressure; during aeration, vents open to equalize pressure. This parameter change resolves the contradiction by adapting the venting behavior to different operational requirements.
2Object-affected harmful factors
If the storage room is kept environmentally sealed to contain treatment chemicals, then chemical containment is improved, but pressure buildup occurs causing uncontrolled exfiltration
Solution Approach 1:
The venting manifold with integrated filters serves as an intermediary that reconciles the need for sealing with the need for pressure relief. It allows controlled exchange while maintaining chemical containment through filtration, resolving the contradiction between sealed containment and pressure management.
Solution Approach 2:
The system performs preliminary venting actions at specific times (before and after fogging cycles) to prevent extreme pressure differentials. By proactively managing pressure at these critical moments, the system maintains chemical containment while avoiding uncontrolled exfiltration.
3Stress or pressure
If vents are opened to equalize pressure during fogging, then pressure control is improved, but treatment substance loss increases due to exfiltration
Solution Approach 1:
The filtration system within the venting manifold acts as an intermediary that allows pressure equalization while capturing treatment substances. This resolves the contradiction by providing a controlled exchange pathway that maintains pressure balance without significant chemical loss.
Solution Approach 2:
The system opens vents for brief preliminary periods before and after fogging cycles when treatment substance concentration is lower. This timing strategy allows pressure control while minimizing treatment substance loss during the venting process.
4Object-affected harmful factors
If the venting manifold with filtration system is used, then chemical exfiltration is reduced, but device complexity increases
Solution Approach 1:
The venting manifold is designed as a multi-functional component that combines pressure regulation, air filtration, and controlled venting operations. By integrating multiple functions into a single system, the patent reduces overall device complexity while maintaining effective chemical containment.
Solution Approach 2:
The system merges the venting function with the filtration function into a single integrated manifold assembly. This combination eliminates the need for separate vent and filter components, reducing system complexity while achieving both pressure control and chemical containment.
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 solution effectively controls the internal pressure of the storage room, reducing the exfiltration of treatment substances and maintaining the efficiency of the air-borne treatment process by ensuring even dispersion and capture of air-borne particles, thus preventing unwanted release into the ambient air.
Implementation Method 1
To control the pressure differential between the storage room and the ambient air pressure, a venting manifold with an in-line duct fan is used
Implementation Method 2
The exhausted storage room air is filtered to reduce the exfiltration of chemicals and/or other contaminants from the environmentally sealed storage room
Data Source
AI summary
A filtration system is arranged to safely vent a storage room into which a fog mixture is introduced. Venting the storage room reduces and/or prevents a substantial increase in the internal pressure of the storage room. To control the pressure differential between the storage room and the ambient air pressure, a venting manifold with an in-line duct fan is used, for example, to exhaust storage room air into the atmosphere. The exhausted storage room air is filtered to reduce the exfiltration of chemicals and/or other contaminants from the environmentally sealed storage room.