Dynamic Hydrogen Permeation Test Device with Flow Circulation
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Solution Overview
Problem
Existing hydrogen permeation autoclaves cannot simulate hydrogen permeation during dynamic hydrogen transport, as they only test hydrogen in a static state.
Innovation Solution
A high-pressure flow-circulating hydrogen permeation test device and method that uses a compressor to simulate different hydrogen flow conditions within an autoclave body, allowing for the testing of hydrogen permeation in a dynamic state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a static hydrogen permeation test is conducted using existing autoclave, then the test structure is simple, but the test cannot simulate dynamic hydrogen transport conditions
Solution Approach 1:
The patent introduces a compressor system that can dynamically adjust hydrogen flow rate and pressure within the autoclave, transforming the static test environment into a dynamic one that simulates actual hydrogen transport conditions. The compressor enables real-time control of hydrogen flow through the sample, allowing the system to adapt to varying operational states.
Solution Approach 2:
The autoclave is designed to perform multiple functions: it serves as both the reaction chamber for permeation testing and the pressure/flow control system. The integrated compressor and flow control mechanisms allow the same device to simulate various hydrogen transport conditions (different flow rates, pressures) without requiring separate specialized equipment for each test scenario.
2Reliability
If hydrogen flow rate is increased to simulate dynamic transport, then the realism of test conditions improves, but the risk of hydrogen leakage and safety hazards increases
Solution Approach 1:
The patent incorporates pressure sensors and flow meters that continuously monitor the hydrogen flow and pressure within the autoclave. This feedback system allows real-time detection of abnormal conditions such as pressure spikes or flow rate deviations, enabling immediate adjustment or shutdown of the compressor to prevent safety hazards while maintaining realistic test conditions.
Solution Approach 2:
The system includes pre-configured safety mechanisms such as pressure relief valves, flow rate limiters, and interlock systems that are activated before hazardous conditions can develop. These preventive measures are designed to automatically respond to potential leakage scenarios, cushioning against the harmful effects of high-pressure hydrogen flow before they can cause damage or安全事故.
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 device effectively simulates hydrogen permeation during dynamic transport, providing a more accurate representation of actual conditions and allowing for the testing of hydrogen permeation in both static and dynamic states.
Implementation Method 1
a gas inlet and a gas outlet of the autoclave body are both connected with the compressor through pipelines
Implementation Method 2
hydrogen permeation is easily generated, leading to hydrogen brittleness which in turn causes hydrogen induced cracking and corrosion fatigue
Implementation Method 3
the hydrogen permeation test device contains an electrolyte in contact with the sample
Data Source
AI summary
A high-pressure flow-circulating hydrogen permeation test device and method, including: a base, and an autoclave body and a compressor being fixedly arranged on the base, wherein a side wall of the autoclave body is fixedly provided with a sample clamp, a first end of the sample clamp is clamped with a sample and extends into the interior of the autoclave body, a second end of the sample clamp is fixedly provided with a hydrogen permeation test device, an interior of the sample clamp is communicated with the hydrogen permeation test device, the hydrogen permeation test device contains an electrolyte in contact with the sample, and a gas inlet and a gas outlet of the autoclave body are both connected with the compressor through pipelines.