Inertization Device Bypass Pipe for Rapid Oxygen Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing inertization devices for monitored protective rooms struggle to rapidly adjust and maintain inertization levels between base, full, and passability levels without requiring significant structural modifications.
Innovation Solution
Incorporating a bypass pipe system connected to a compressed air source and a control unit, which allows for the adjustment of oxygen concentration by supplying compressed air or nitrogen-enriched air, enabling rapid shifting between inertization levels through a nitrogen generator and pressurized storage tanks, and using a control unit to manage the inert gas system for precise oxygen concentration control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a steel cylinder battery or inert gas generation system is used to reduce oxygen concentration to base inertization level, then fire risk is reduced, but the system complexity and storage capacity requirements increase
Solution Approach 1:
The system dynamically adjusts oxygen concentration between base inertization level (12-15 vol.-% O2) and passability level (17-19 vol.-% O2) based on real-time fire risk assessment and personnel presence detection, transitioning between different operational states to balance fire safety and accessibility
Solution Approach 2:
The control unit modifies the oxygen concentration parameter within the protective room by regulating inert gas supply rates and adjusting between different gas sources (compressed air vs. nitrogen generator output) to achieve desired inertization levels without requiring excessive storage capacity
2Reliability
If oxygen concentration is rapidly decreased to full inertization level for fire extinguishing, then fire extinction effectiveness is improved, but the time required to restore breathable atmosphere increases
Solution Approach 1:
The system continuously monitors oxygen concentration, fire detector signals, and personnel presence to provide feedback to the control unit, which automatically adjusts inert gas supply rates and switches between gas sources to rapidly restore breathable atmosphere once fire risk is eliminated or personnel are present
Solution Approach 2:
The control unit implements periodic assessment cycles to determine whether to maintain full inertization, transition to base inertization, or restore normal atmosphere, allowing the system to efficiently cycle between different operational states based on current conditions
3Use of energy by moving object
If compressed air is supplied through the nitrogen generator, then the nitrogen generator processing time is utilized effectively, but the response speed for rapid atmosphere adjustment is reduced
Solution Approach 1:
The gas supply system is segmented into multiple independent sources (compressed air storage tank, nitrogen generator output) that can be selectively activated, allowing the control unit to bypass the nitrogen generator's processing delay by directly supplying compressed air when rapid atmosphere adjustment is required
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 reliable and efficient adjustment of inertization levels within protective rooms, minimizing inert gas usage and ensuring safety by maintaining optimal oxygen concentrations for fire prevention and personnel safety without major structural changes.
Implementation Method 1
a nitrogen generator (11) which is connected to the compressed air source (10), in order to separate oxygen from the compressed air supplied from the compressed air source (10) and to supply nitrogen-enriched air as inert gas at a first outlet (11a) of the nitrogen generator (11)
Data Source
AI summary
The invention relates to an inertization device for establishing and maintaining an inertization level in a protective room. The inertization device has a controllable inert gas system for providing inert gas, a first supply pipe system connected to the inert gas system and the protective room to supply the inert gas to the protective room, and a control unit to control the inert gas system such that a presettable inertization level is established and maintained inside the protective room. In order to raise the inertization level inside the protective room rapidly to an accessibility level without requiring major structural measures, a valve controlled by the control unit is connected to the inert gas system and the first supply pipe system to supply the exhaust air prepared by the inert gas system as fresh air to the protective room.