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Clean Hydrogen Partnership

Fire when replacing a hydrogen cylinder

Event

Event ID
722
Quality
Description

A man was burned when a fire broke out as a hydrogen cylinder was being changed in a governmental research centre. It was reported that the fire was started by a spark from a wrench. The sprinkler system put out the fire within minutes. A four litre (one US gallon) container of hydrochloric acid was broken during the incident, but caused no injuries. Several containers of methanol in the same area were not affected. The building was evacuated. Canberra makes nuclear instruments.

Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
fire
Macro-region
North America
Country
United States
Date
Component involved
valve (cylinder)
Failure mode
rupture & ignition
Initiating cause
unknown
Root CAUSE analysis

It was reported that the fire was started by a spark from a wrench.

Root causes
Unknown
Date entry in HIAD
01/01/2020

Facility

Application
Laboratory / R&D
Sub-application
unspecified laboratory
Hydrogen supply chain stage
All components affected

hydrogen cylinder

Process temperature range [C]
ambient temperature (-50°C to +50°C)
Location type
Semiconfined
Location
unknown
Operational condition
Pre-event occurrences

a hydrogen cylinder was being changed

Emergency & Consequences

Number of fatalities
0
Number of injured persons
0
Post-event summary

A four litre (one US gallon) container of hydrochloric acid was broken during the incident, but caused no injuries. Several containers of methanol in the same area were not affected. The building was evacuated.

Emergency action

The sprinkler system put out the fire within minutes.

Lesson Learnt

Lesson Learnt

It is important to keep any ignition source, such as wrench, away when changing hydrogen cylinder.

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Release temperature [°C]
25
Probable IGNITION SOURCE

References

Sources categories
News
Reference & weblink