A dry-mix sprayed concrete trade name that plants use as a generic word for any gunned refractory lining, the gunning rig and the crew. People talk about guniting a duct, a gunite repair or the gunite crew, even when the material is a dense low-cement gun mix. Specs and data sheets say gunning or gunned castable.
Stack breeching is lined with gunite, it's shedding chunks, get a crew to patch it at the outage.
Also heard as
- guniting
- gunite crew
- gun mix
Related terms
Gunning
Spraying refractory through a hose and nozzle with compressed air to build or repair a lining.
Nozzleman
Operator who handles the gunning nozzle and controls water and placement on a gunning or shotcrete crew.
Shotcrete
Wet-mix gunning: castable pumped through a hose and set instantly by accelerator added at the nozzle.
Rebound
Material that bounces off the wall during gunning instead of sticking, wasted and often harmful.