The present invention discloses a
slag blowing gun, a
slag continuous cleaning device, and a
continuous casting billet
cutting and
slag cleaning device. The disclosed slag blowing gun comprises a
gun barrel, and a slag blowing
nozzle mounting section is provided at a local position of the
gun barrel; the shape of the slag blowing
nozzle mounting section matches the shape of the workpiece to which the slag is attached, and the
nozzle mounting section is provided with at least one gas outlet with an outlet facing the workpiece to which the slag is attached; or the nozzle mounting end is provided with at least one gas outlet facing the workpiece to which the slag is attached, and a
branch pipe is provided at the gas outlet, and the lengths of the
branch pipes at each gas outlet are the same or different. The continuous slag cleaning device comprises a slag blowing gun and a mounting portion movably arranged on a fixing device; the mounting portion moves in the same direction as or synchronously with the moving direction of the
processing tool for the slag attached workpiece. At the same time, a
continuous casting billet
cutting and slag cleaning device equipped with the above-mentioned slag continuous cleaning device is disclosed. The present invention can realize synchronous
processing and slag cleaning of moving workpieces.