| 摘要 |
The invention relates to a horizontal stirrer for generating essentially horizontal flow in a wastewater treatment tank, in which a propeller (4) is installed on a polygonal shaft (3) driven by means of an immersed motor (1), where the propeller (4) is made of a first material which is formed by a polymer reinforced with first fibres and as hub has a bushing (7) which corresponds to the outer shape of the polygonal shaft (3) and is made of a second material which is different from the first material. |
