1·The operation characteristics and the energy-saving based importance of water steam ejector was analyzed, the effect of the ejector in practical use was presented.
分析了此类喷射器的工作特点和节能意义，介绍了此类喷射器在实际中的使用情况。
2·The vacuum system process of PET unit, the design of EG steam ejector shape and support, the selection of support spring and the main points in the ejector pipe design are introduced.
介绍聚酯装置的真空系统的流程、 乙二醇蒸气喷射泵的外型型式设计、 支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
3·The property of steam ejector is analyzed. The optimize method of temperature curve and an algorithm of intelligent predictive pressure control are presented. The optimize control system is designed.
分析蒸气热泵的特点，提出最佳温升曲线的优化计算方法和蒸气压力预测智能控制算法，设计了纸机干燥部优化控制系统。
4·The performance of steamjet ejector was investigated by changing the secondary to the primary throat area ratio and the position of the steam nozzle.
计算并分析了第二喉管与工作蒸汽喷嘴喉管面积比、喷嘴出口截面与混合段入口截面间的距离等几何参数对喷射器操作性能的影响。