浙江省嵊县抽水机站在原互控步进式射流喷头的基础上最近又研制成功一种空心轴不转动的自控全射流喷头。这种喷头与互控全射流喷头相比作了以下三方面的改进: 一、喷头空心轴固定不动,空心轴套绕空心轴旋转。水流从空心轴套内壁4个小孔进入空心轴套、喷管、喷嘴喷射到空中。这样减少了喷头转动时的正压力,改善了喷头的受力条件。。 Zhejiang Shengxian pumping station in the original mutual control stepper jet nozzle on the basis of the recent successful development of a hollow shaft does not rotate automatic jet nozzle. This nozzle and control of all jet nozzle made the following three improvements: First, the nozzle hollow shaft fixed, hollow sleeve around the hollow shaft rotation. Flow from the hollow shaft sleeve 4 holes into the hollow sleeve, nozzle, nozzle jet into the air. This reduces the nozzle rotating positive pressure, improve the nozzle of the stress conditions. .