The utility model belongs to an oxygen increasing device, in particular to an oxygen filling machine suitable for pond and coastal culture. The utility model is composed of a motor, a hollow shaft, the outer sleeve and the propeller protector frame, jacket cylinder and hollow shaft between the intake pipe, one end of the hollow shaft is connected with some spoiler shaped nozzle and Laval nozzle nozzle throat hole and protection device is arranged on the frame consisting of. The advantage of the utility model is that the contact area between water and air is increased, and the efficiency of dissolved oxygen is further improved.
【技术实现步骤摘要】
【技术保护点】
一种注氧机，包括电动机，附有空气进口的外套筒，附有空气进口的空气轴，螺浆及金属条构成的保护网架，电动机与空心轴用万向联轴节连接，空心轴置于外套筒内部，其尾部装有螺浆，外套筒与电动机外壳连接，其尾部装有保护网架；所说注氧机的特征在于外套筒的空心进口处装有可调进气量的调节箍；外套筒与空心轴之间放置进气管，该管的空气出口端在螺浆的上部，进气管由管架固定，且管架通过紧定螺钉调节进气管空气出口与螺浆之间的距离；一个瓦拉尔管形喷头依螺纹连接在空心轴下端，喷头的喉部有小孔；所说与外套筒尾部连接的保护网架的金属条上装有阻流片。
【技术特征摘要】
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。