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Clean Hydrogen Partnership

Explosion during brazing

Event

Event ID
1069
Quality
Description
The incident occurred at company producing specialised products for aerospace and aero power applications. An employee was operating an induction brazing machine under hydrogen atmosphere when an explosion occurred.
Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Macro-region
North America
Country
United States
Date
Main component involved?
Reactor / Oven / Furnace / Test Chamber
How was it involved?
External Explosion (H2-Air Mixture)
Initiating cause
Unknown
Root causes
Unknown (No additional details provided)

Facility

Application
Other
Sub-application
induction brazing
Hydrogen supply chain stage
All components affected
induction brazing machine
Location type
Unknown
Operational condition
Description of the facility/unit/process/substances
DESCRIPTION OF THE PROCESS
Hydrogen is used to avoid surface oxidation when brazing metallic parts at high temperature

Emergency & Consequences

Number of injured persons
1
Number of fatalities
0
Environmental damage
0
Post-event summary
The employee was hospitalized for treatment of burns.

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
Not reported

References

Reference & weblink

OHSA (Occupational Safety and Health Administration) news of 16 Feb 2022 <br />
https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=143791… />
(accessed July 2023)

JRC assessment