| 摘要 |
<p>1521392 Mixers H MULLER 11 Nov 1976 47083/76 Heading BIC An apparatus for mixing fluids, in particular for mixing a gasified medium in a fermenter comprises an agitator having a rotatable shaft 4 and a pair of blades 10 rotatably mounted between a pair of mountings 11, 12 provided on the shaft. Two pairs of blades may be provided. The blades may be of plastics or stainless steel and may have a helical shape. Gas may be introduced into the apparatus through a pipe in a cover 2.</p> |
