The utility model discloses a water mixing and oxygenation device, which comprises a waterwheel assembly and a telescopic guide pipe, wherein the waterwheel assembly floats in the surface of water the waterwheel assembly comprises a drive unit and a blade group connected to the drive unit through a couple axle one end of the telescopic guide pipe is located above the water surface and connected to the waterwheel assembly, and the other end of the telescopic guide pipe is located under the water surface the pipe body at the other end comprises an annular chamber when air is injected into the annular chamber, the end with the annular chamber moves to the direction of the end, located above the water surface, by utilizing the buoyancy force of the annular chamber the blade group is driven by the drive unit to stir the water, and the water near the end, locate above the water surface, out of the telescopic guide pipe, and the water enters the telescopic guide pipe from the other end of the telescopic guide pipe and moves to the end, located above the water surface.本創作係揭露一種水體混合及增氧裝置,其包含:水車組件,漂浮於水體之表面,水車組件包括驅動單元及透過連動軸連接至驅動單元之葉片組;以及伸縮導管,伸縮導管之一端位於水面上並連接至水車組件,而伸縮導管之另一端位於水面下,另一端之管體包含環狀腔室,當空氣注入環狀腔室時,另一端利用環狀腔室之浮力往該端方向移動;其中,驅動單元驅動葉片組對水體進行撥打,使靠近該端之水體撥出伸縮導管外,而使水體由另一端進入伸縮導管中並往該端移動。1‧‧‧水體混合及增氧裝置11‧‧‧水車組件111‧‧‧驅動單元112‧‧‧葉片組113‧‧‧圓柱狀浮桶12‧‧‧伸縮導管121‧‧‧環狀腔室122‧‧‧導管單元12a‧‧‧一端12b‧‧‧另一端
