Heated Outgas Collection Path for Stable Sampling Up to 1000°C
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Solution Overview
Problem
Existing methods are unable to efficiently collect and analyze outgas generated at high temperatures, particularly above 350 °C, and cannot handle diverse temperature environments required by materials like OLED materials and lithium cobalt oxide cathode materials, limiting outgas analysis accuracy and efficiency.
Innovation Solution
An apparatus and method for collecting high temperature gas that includes a sample tube, heating furnaces, and gas collectors, allowing for temperature control and separation of outgas at different temperature stages, minimizing adsorption of polar volatile organic compounds, and enabling collection up to 1000 °C.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a thermal desorption sampler is used, then outgas can be collected at temperatures below 350°C, but it cannot collect outgas at temperatures of 350°C and above
Solution Approach 1:
The patent changes the temperature parameter capability from below 350°C to up to 1000°C by replacing the thermal desorption sampler with a high-temperature resistant collection system that includes a heated flow path and high-temperature capable gas collector, enabling outgas collection across a broader temperature range
Solution Approach 2:
The invention creates a universal outgas collection system that can handle both low-temperature materials (using the collection apparatus at lower temperatures) and high-temperature materials (up to 1000°C), making it adaptable to diverse material types including OLED materials, polyimide substrates, and lithium cobalt oxide cathode materials
2Temperature
If a pyrolysis machine is used, then high temperature outgas collection is possible, but only a small amount of sample can be injected resulting in insufficient outgas for analysis
Solution Approach 1:
The patent introduces a carrier gas as an intermediary that flows through the heated flow path to transport outgas from the sample to the gas collector. This mediator enables efficient outgas collection by creating a continuous flow that carries volatile components through the heated path, ensuring sufficient outgas quantity is delivered to the collector for analysis
Solution Approach 2:
The system maintains continuous outgas collection by continuously flowing carrier gas through the heated flow path during the entire heating process, ensuring that outgas is constantly transported to the collector without interruption, thereby accumulating sufficient quantity for analysis
3Ease of operation
If outgas is collected in a standard flow path, then collection is simple, but polar volatile organic compounds are adsorbed reducing analysis accuracy
Solution Approach 1:
The patent changes the temperature parameter of the flow path by heating it to a temperature that prevents condensation and adsorption of polar volatile organic compounds. This temperature parameter modification maintains the simplicity of the collection process while eliminating adsorption losses, thereby preserving analysis accuracy
Solution Approach 2:
The invention converts the potential harm of adsorption by using the heated flow path to maintain outgas in a gaseous state throughout transport. The heat that could potentially cause decomposition instead prevents condensation and adsorption, turning a challenging high-temperature environment into a benefit that prevents analyte loss
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
Enables stable collection and analysis of high temperature outgas, enhancing efficiency and accuracy by providing controlled temperature conditions and reducing adsorption in the flow path, suitable for various sample specifications.
Implementation Method 1
a heating furnace configured to heat the sample by accommodating the sample tube in a heating space therein
Implementation Method 2
a carrier gas supplier connected to the inlet through a first flow path and configured to supply the carrier gas to the sample accommodating space
Data Source
Figure 1~3
Figure 4~5a
Figure 5b~5c
AI summary
The present invention relates to a high-temperature-gas collection apparatus and method, and the objective of the present invention is to provide a high-temperature-gas collection apparatus and method, which stably collect high-temperature gas generated from a sample in a high-temperature environment.