Breathing Air Filtration and Backup Switchover for Hazardous Worksites

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Industrial workers often face hazardous air conditions due to airborne pollutants, volatile organic compounds, and hazardous chemicals, necessitating a reliable system for producing and filtering breathing air in harsh environments.

Innovation Solution

A breathing air production and filtration system comprising a generation assembly with a compressor, filtration components, and a distribution assembly with collection pots and manifolds, along with a monitoring control system using wireless sensors to ensure air quality and provide a backup supply of high-pressure reserve air.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If ventilation systems are used to improve air quality, then air quality is improved, but air movement between departments is restricted and system complexity increases

Engineering Contradiction:
Improveair qualityVSAvoidsystem complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The system divides the facility into multiple zones with separate breathing air generation and distribution systems for each zone, allowing independent operation and reducing overall system complexity while maintaining air quality in each segment

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A centralized control system acts as an intermediary to coordinate between multiple independent breathing air generation units, enabling communication and coordination without requiring complex direct integration between all system components

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If filtration capabilities are increased to remove contamination, then air quality is improved, but device complexity and maintenance requirements increase

Engineering Contradiction:
Improvecontamination removalVSAvoidfiltration system complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The filtration system is divided into multiple independent filter stages (pre-filter, main filter, HEPA filter) that can be individually maintained and replaced, reducing overall system complexity and maintenance burden compared to a single complex filtration unit

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system uses disposable pre-filters that can be easily replaced without affecting the main filtration system, allowing routine maintenance without complex procedures while maintaining high filtration capabilities

Inventive Principle:
Principle #34Discarding and recovering

3Reliability

If breathing air is supplied to personnel in hazardous environments, then worker safety is improved, but system complexity and cost increase

Engineering Contradiction:
Improveworker safetyVSAvoidbreathing air system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The breathing air system is segmented into modular units (generation, storage, distribution, monitoring) that can be independently configured and maintained, reducing overall system complexity while ensuring continuous safe air supply to workers

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Breathing air is generated and stored in advance in collection pots and tanks before needed, ensuring immediate availability of safe air without requiring complex real-time generation systems at each worker location

Inventive Principle:
Principle #10Preliminary action

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 generates and delivers high-quality breathing air, monitoring air quality in real-time and providing a reliable backup supply, thereby ensuring worker safety in hazardous environments.

Implementation Method 1

The generation assembly has a compressor and filtration components to generate breathing air

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

The generation assembly has a compressor and filtration components to generate breathing air

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Implementation Method 3

These sensors include an in-line sensor detecting constituents or contaminants in the breathing air

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentUS8840841B2Breathing air production and distribution system
Publication Date: 2014.09.23 TOTAL SAFETY US INC
  • US8840841B2 patent drawing
  • US8840841B2 patent drawing
  • US8840841B2 patent drawing

AI summary

A breathing air production and filtration system has an air generation assembly and a distribution assembly. The generation assembly has a compressor and filtration components to generate breathing air. The distribution assembly has collection pots with multiple connections for manifolds. For their part, the manifolds have multiple connectors for the respirators of end users. The system uses a monitoring control system with various wireless sensors to monitor operation of the system and the quality of breathing air produced. These sensors include an in-line sensor detecting constituents or contaminants in the breathing air. The sensors also include pressure, temperature, and flow sensors monitoring the operation of the system. An automatic switchover is provided for switching the system to a back-up supply of high-pressure reserve air if needed.