| 摘要 |
The invention relates to a horizontal agitator for producing a substantially horizontal flow in a wastewater treatment tank, a propeller being installed on a polygonal shaft driven by means of a submersible motor, wherein the propeller is produced form a first material, which is formed from a polymer reinforced with first fibres, and as hub has a sleeve which corresponds to the outer shape of the polygonal shaft and which is produced from a second material which is different from the first material. |
