Continuous Loop Breathing Air System for Industrial Safety
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Solution Overview
Problem
Existing ventilation systems in industrial facilities, such as chemical plants and refineries, fail to efficiently manage hazardous vapors and pollutants, leading to adverse health effects for workers and safety concerns due to the lack of a reliable and efficient air quality management system.
Innovation Solution
A continuous loop air breathing system that provides Grade D air quality by using a pressurized breathing air source connected to a continuous loop air conduit with isolation valves and splitters, distributing air through manifolds and auxiliary conduits, ensuring safe and accessible clean air throughout the facility, reducing the need for traditional cascade systems and associated safety risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional cascade breathing air systems are used, then workers can receive breathing air, but the system requires frequent manual intervention for cylinder replacement and positioning, increasing labor costs and safety risks
Solution Approach 1:
The system enables self-service operation through automated air distribution. The centralized pressurized air source automatically supplies breathing air to multiple workers through the loop conduit network without requiring manual cylinder replacement or repositioning. Workers simply connect to available outlets along the loop, and the system self-regulates pressure and flow distribution.
Solution Approach 2:
The system segments the air distribution function into modular components: a centralized pressurized air source, a continuous loop conduit divided into multiple segments with outlets, and individual worker connection points. This segmentation allows independent operation of each segment while maintaining overall system functionality, enabling easy maintenance and expansion.
2Reliability
If traditional ventilation systems are used, then air movement occurs in and between departments, but the systems fail to efficiently manage hazardous vapors and pollutants, leading to adverse health effects
Solution Approach 1:
The system provides workers with breathing air from a controlled pressurized source that is isolated from the hazardous atmospheric environment. By delivering pre-conditioned breathing air through sealed conduits and connections, the system creates an inert protective atmosphere for the worker's breathing zone, preventing exposure to toxic vapors, pollutants, and oxygen-deficient conditions in the work area.
3Productivity
If manual cylinder systems are used, then breathing air can be supplied to workers, but the system requires frequent manual intervention and positioning, increasing labor costs
Solution Approach 1:
The system performs preliminary action by pre-positioning a continuous loop of pressurized breathing air throughout the work area before workers arrive or begin tasks. The centralized air source is activated in advance, and pressure is established in the entire loop network, ensuring immediate availability of breathing air at any outlet without requiring setup time when workers need it.
Solution Approach 2:
The continuous loop conduit maintains uninterrupted pressurized breathing air flow throughout operating hours. The system eliminates idle time and gaps in air supply by maintaining continuous pressure and flow in the loop, allowing workers to move freely and connect at any point without interruption to their breathing air supply or loss of productive time.
Data Source
AI summary
The breathing air system is made of a pressurized breathing air source, a continuous loop air conduit connected to the pressurized breathing air source for maintaining the breathing air at a defined pressure, a first isolation valve located between the pressurized breathing air source and the continuous loop air conduit, a first splitter is located between the first isolation valve and the continuous loop air conduit, a second splitter is connected to the continuous loop air conduit, a first auxiliary air conduit segment is connected to the second splitter, a second isolation valve connects to the first auxiliary air conduit segment, a reserve manifold is also used and a second auxiliary air conduit segment communicates between the second isolation valve and the reserve manifold to distribute breathing air to at least one reserve manifold from at least two directions wherein the breathing air is grade “D” or better.