right click on the nick you want to ban and click on 10 minute ban
menu nicklist { 10_min_Ban ..Ban $1:{ mode $chan +b $address($1,2) kick $chan $1 10 Minute Ban timer 1 600 mode $chan -b $address($1,2) } }
mIRC's /ban command supports kicking and timed unbanning.
menu nicklist { 10_min_BAn ..Ban $1:ban -ku600 $1 2 10 Minute Ban }