专利名称：REFREACTORY GUNNING APPARATUS 发明人：JOSEPH JOHN MARINO
申请号：AU6702774
申请日：19740322
公开号：AU6702774A
公开日：reactor4
19750925
专利内容由知识产权出版社提供
摘要：A vertical gunning conduit having a horizontal nozzle at its lower end is supported from a hoist above and extends into the open top of a refractory-lined vessel, such as an electric steel-making furnace, with the nozzle positioned within the vessel. Refractory materials and water are supplied to the top of the conduit through a mixing head, which is connected by a swivel coupling to the lower portion of the conduit which is rotatable about its axis. An oscillating drive provided by a crank and slotted lever, is connected to the rotatable conduit through a magnetic clutch which is actuable to engage at a variable angle to control the position of the nozzle, either motionless for filling large holes, or in an oscillating path for gunning a selected portion of the vessel wall.
申请人：JOSEPH JOHN MARINO
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