Smelt-Water Explosions at Pulp Mill

Incident Investigation

Smelt-Water Explosions at Pulp Mill

December 13, 2022

Boiler, PV and Refrigeration

Reference Number:

II-1484979-2022 (#30753)

Location: Prince George
Regulated industry sector: Boilers, PV & refrigeration - Boiler and pressure vessel system


Incident Overview

A recovery boiler at a kraft pulp mill had been operating at a high rate of gas firing for an extended time, with no black liquor. An operator tried to open a plugged spout with a torch, resulting in water and smelt explosions.

1162.85 KB