Nearby trains have also been stopped, according to police.
Brisbane Airport's worldwide terminal was shut down when he allegedly threatened a woman with a knife.
"This is to reinforce the message that police do not take a decision to shut an global airport down lightly and to show exactly what our officers were confronted with when they arrived".
A 50-year-old man was charged yesterday after he allegedly threatened a woman with a knife at Brisbane Airport and claimed he had a bomb, resulting in an emergency evacuation of the airport's global terminal.
Police opened fire with bean bag rounds after the man claimed to have a bomb, Police Detective Superintendent Tony Fleming said.
Police said in a statement that there were no injuries to police officers or any members of the public.
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"All a bit dramatic at Brisbane airport earlier".
The device was found to be "inert", but Queensland Police Commissioner Ian Stewart said its complex appearance "indicates just the extraordinary lengths that a person has gone to create a perception of risk, threat and fear".
He has not been publicly named and will appear in a Brisbane court on Monday.
Police have released an image of the device used in a domestic violence-related incident that sparked a mass evacuation of Brisbane Airport's worldwide terminal.
"There is no evidence to suggest the incident at the global airport is terrorism related; it is a domestic violence-related situation", police told the Australian Broadcasting Corporation.
Assistant Police Commissioner Peter Crawford said the man's statements led police to search a number of premises and vehicles for improvised explosive devices.