Portable Glycol Heat Exchange for Fast Bedbug Eradication
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Solution Overview
Problem
Current methods for eradicating bedbugs in commercial and residential settings are inefficient, require excessive chemical use, and pose health risks due to resistance and safety concerns, with existing heat-based systems being energy-intensive and cumbersome.
Innovation Solution
A compact, portable heat exchange system using food-grade Glycol and a 2-stage burner system that rapidly heats enclosed spaces to kill bedbugs and toxic mold, with a positive displacement pump and fluid-to-air heat exchanger configuration, reducing fuel consumption and increasing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical treatments are used to eradicate bedbugs, then bedbugs can be eliminated, but the treatments require multiple visits over long periods and pose health risks
Solution Approach 1:
The patent changes the parameter from chemical treatment to thermal treatment, using temperature as the eradication mechanism. The system heats the enclosed space to 113-115°F for at least 15 minutes, which kills all stages of bedbugs including eggs, achieving complete eradication in a single treatment rather than multiple visits required by chemical methods
Solution Approach 2:
The patent replaces the chemical treatment system with a thermal system using heat exchangers, pumps, and temperature control mechanisms. This substitution eliminates the need for repeated chemical applications while achieving more reliable eradication of all bedbug stages including resistant species
2Reliability
If heat is applied to eradicate bedbugs, then all forms of the bug are killed, but existing heat systems are energy-intensive and cumbersome
Solution Approach 1:
The system incorporates a scavenger heat exchanger that recovers waste heat from the burner exhaust and uses it to preheat the glycol before it enters the main heat exchanger. This self-service heat recovery mechanism reduces the energy required from the primary fuel source, making the thermal eradication system more energy-efficient while maintaining complete bedbug elimination
Solution Approach 2:
The patent recovers and reuses the waste heat that would otherwise be discarded from the burner exhaust stream. By routing this waste heat through the scavenger heat exchanger to preheat the glycol, the system converts a wasted resource into a useful input, significantly reducing overall energy consumption while maintaining the thermal conditions necessary for complete bedbug eradication
3Reliability
If existing heat systems are used, then bedbugs can be eradicated, but the systems are difficult to move and set up
Solution Approach 1:
The patent divides the thermal eradication system into separate modular components including a burner assembly, heat exchangers, pump, and control system that can be disconnected and transported independently. This segmentation allows the system to be easily moved between locations and quickly reconfigured for different treatment spaces while maintaining the reliability needed for complete bedbug eradication
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 system effectively eradicates bedbugs and toxic mold in under four hours, using less fuel and energy than existing methods, and is suitable for multi-story buildings, while being safer and more portable.
Implementation Method 1
burner unit comprising a first burner chamber adapted to heat the HTF received from the scavenger to a second pre-determined temperature
Implementation Method 2
at least one air-to-fluid heat exchanger adapted to receive the HTF from the burner unit
Data Source
AI summary
In one embodiment, the present invention eradicates pests, such as bedbugs, and toxic mold, for example, among other organisms that invade a dwelling, structure, building, vehicle, or other enclosure. The system includes a burner element having a heat exchanger in contact with the exhaust gas, the heat exchanger on the burner heats a heat transfer fluid (HTF). High pressure HTF flow is used to drive isolation pumps, electrical generators, fans, and other auxiliary equipment. A pressure management system within each heat exchanger ensures optimum flow of HTF. The fluid exchanger is either air-to-fluid or fluid-to-fluid heat exchanger.