Microwave Applicator Box with Inclined Grates for Medical Waste
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Solution Overview
Problem
Current microwave energy systems for breaking down polymer materials require frequent replacement of purge gas, leading to wastefulness in gas consumption during operation.
Innovation Solution
A microwave applicator box with inclined grates and vibration devices, along with a system design that includes waveguides for directing microwave energy and a purge gas tank, minimizes the need for constant gas replacement by maintaining an inert environment and efficient gas usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If repeated purging of the applicator box is performed for batch treatment, then the inert atmosphere is maintained to prevent ignition, but the purge gas must be constantly replaced leading to gas waste
Solution Approach 1:
The system performs preliminary purging of the applicator box before microwave energy application to establish an inert atmosphere. The purge gas is introduced through waveguides that direct it to specific zones (Zone A above grates, Zone B between grates) where it displaces oxygen before material is introduced and during processing, eliminating the need for repeated full-box purging and reducing gas consumption.
Solution Approach 2:
The patent applies purge gas locally to specific zones within the applicator box rather than uniformly throughout. Waveguides direct purge gas to Zone A (above inclined grates) and Zone B (between grates) where oxygen displacement is most critical for preventing ignition during microwave processing, optimizing gas usage by concentrating it where needed most.
2Productivity
If a constant flow of purge gas is used to maintain purged environment, then the inert atmosphere is maintained for continuous feedstock treatment, but the purge gas must constantly be replaced resulting in continuous gas waste
Solution Approach 1:
The system maintains continuous microwave energy application and continuous purge gas flow through the waveguides to Zones A and B during feedstock processing. This continuous action ensures the inert atmosphere is maintained throughout the entire processing cycle without interruption, enabling continuous feedstock treatment while optimizing gas usage through targeted delivery.
Solution Approach 2:
The purge gas is delivered continuously but locally concentrated through waveguides to specific zones (Zone A above grates, Zone B between grates) where oxygen displacement is critical. This localized continuous delivery maintains the inert atmosphere efficiently without requiring constant replacement of the entire box volume, reducing overall gas consumption while maintaining productivity.
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 breaks down polymer materials using microwave energy while significantly reducing the need for regular purge gas replacement, conserving resources and maintaining a controlled inert atmosphere.
Implementation Method 1
a microwave generator that creates microwave energy; wherein the microwave energy created by the microwave generator travels through the first waveguide and into the Zone A; and wherein the microwave energy created by the microwave generator travels through the second waveguide and into the Zone B
Implementation Method 2
a first vibration device connected to the first grate by a first arm extending through the at least one wall; a second vibration device connected to the second grate by a second arm extending through the at least one wall
Data Source
AI summary
A microwave applicator box for breakdown of medical waste materials is provided, including: an interior defined by at least one wall; a plurality of inclined grates in an alternating arrangement, including: a first grate extending from a first direction, and a second grate extending from a second direction and underlapping the first grate; vibration devices connected to the grates by arms; wherein the area above the first grate is defined as a Zone A and wherein the area below the first grate and above the second grate is defined as a Zone B; wherein a first waveguide is connected to an opening in the wall in the area of the Zone A; wherein a second waveguide is connected to an opening in the wall in the area of the Zone B; and wherein the interior of the waveguides is in communication with the interior of the microwave applicator box.