Gas-liquid separation device and air cleaner to which the gas-liquid separation device is applied

摘要

An object of the present invention is to provide a gas-liquid separation device capable of separating liquid and air efficiently while suppressing a decrease in swirling speed in a cyclone, and an air purifier to which the gas-liquid separation device is applied. In a casing 42 provided with an introduction channel 40b communicating with the inlet section 41, a discharge section 44 extending to the lower outside of the introduction channel 40b, and an outlet section 43 extending to the upper outside of the introduction channel 40b. The air A2 containing at least the liquid is introduced, and the air A2 is swirled along the outer wall 42a constituting the casing 42 to be separated into the liquid 32e and the treated air A3, and the liquid 32e is discharged from the discharge portion 44. In the gas-liquid separation device 40 for discharging the treated air A3 from the outlet portion 43, the curvature radius of the inner surface of the downstream outer wall 42a at the height position of the inlet portion 41 of the casing 42 is the outer side of the upstream side. It is smaller than the radius of curvature of the inner wall surface 42a.