| 摘要 |
<p>721,292. Aerating liquids. KERAG ATELIERS DE CHAUDRONNERIE D' APPAREILS ET DE MECANIQUE. Feb. 22, 1952 [Feb. 23, 1951; May 11, 1951], No. 4749/52. Class 14 (1). Apparatus for mixing gases with liquids comprises a perforate cylinder 1 rotatably mounted on a horizontal axis within a liquid container 107, the gas, fed into the cylinder through a hollow shaft 2 replacing the liquid as it is driven out through the rotating cylinder to produce an intense mixing of the gas and liquid along the circumference of the cylinder. The cylinder may be sub-divided along its length, a baffle 109 being arranged above the cylinder to recirculate the foam before collection. In order to assist the rotation of the cylinder, upon reaching a sufficiently high speed, gas, introduced either from an annular duct 32 between the shaft and a stationary hollow shaft 3 around it, Fig. 2 or from opening 14<11> in an end wall of the cylinder, Fig. 3, replaces the liquid which is thrown out from between the corresponding end walls of the cylinder and the container. The gas shaft 5, Fig. 3 is stationary, the cylinder being rotated by a solid shaft 2<11>. The cylinder, Fig. 12, is concentrically mounted within the liquid container 107<1>, small vent holes 122 leading into a gas discharge manifold 123 being provided to prevent the formation of gas cushions in the container. More than one cylinder may be arranged in a container and the gas may be supplied under pressure. Single and double bell and frusto-conical shaped rotating members are also shown. Specifications 455,547, 461,439 and 476,857, [Group XII], are referred to.</p> |
