Wet gas compression device comprising an integrated compression/separation stage

A wet gas compression device, said gas comprising a liquid phase and a gas phase, including:

• at least one inlet pipe for said wet gas,
• at least one compressed gas outlet pipe,
• a shaft,
• several compression stages,
• at least one of said compression stages being suited to separate the liquid phase and the gas phase, characterized in that said at least one of said compression stages comprises
• one or more pipes designed for discharge outside said wet gas compression device of an essentially liquid phase resulting from separation carried out in said at least one of said compression stages,
• an inlet channel, at least one impeller and an outlet channel, said inlet and outlet channels allowing separation of the liquid phase and of the gas phase, and
• said inlet channel comprises first and second substantially rectilinear and parallel walls, said first and second substantially rectilinear and parallel walls being respectively extended by first and second curved walls having a radius of curvature selected to generate a centrifugal effect, said first curved wall being further from said shaft than said second curved wall, said first curved wall and said first substantially rectilinear and parallel wall forming an outer wall of said inlet channel, and said second curved wall and said second rectilinear and parallel wall forming an inner wall of said inlet channel, and in that said first rectilinear and parallel wall is provided with means for allowing passage of the liquid from said outer wall to said inner wall.