| 摘要 |
<p>The invention pertains to a device for separating a gas mixture, comprising a multi-coil helical conduit, said conduit comprising: an input (1a) and an output (1b), said output being associated with a means of suction (10b) creating a negative pressure within said conduit in order to suck a gas mixture from said input and force it along a trajectory making it possible to achieve sufficient rotational velocities to separate the gases contained within said mixture due to centrifugal force, an extraction orifice (1c) disposed on the inner wall of the largest radius of at least one coil, said orifice being arranged so that all or some of the gas flow concentrated on said wall by the effect of centrifugal force is recovered by said orifice, characterised by the fact that the extraction orifice (1c) is connected to a means of suction (10c) creating a negative pressure in said orifice, the setpoint negative pressure value being defined by a control means (11c) generating a setpoint instruction that depends on: the negative pressure value at the output (1b) of the conduit (1), the surface of said orifice (1c) at the wall of the coil, and the concentration of gas to be extracted at the input (1a) of said conduit.</p> |
