3凝结水及闪蒸汽回收 将生产工艺中蒸汽加热产生的凝结水及闪蒸汽回收蒸汽升
...解气和漏入的空气）和吹入的水蒸气连续地抽走以保证减压塔的真空度要求。减压塔的抽真空设备常用的是蒸汽喷射器（steam ejector，也称蒸汽吸射泵）或机械真空泵（mechanical vacuum pump）。
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【Key words】 alcohol; vapor ejector; water heater; liquid numerical simulation
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In virtue of FLUENT software,the numerical simulation of the fluid flow in STEAM JET was carried out. The appropriate mathematical models and calculation method were chose.
本文借助FLUENT软件平台,对蒸汽喷射器内流场进行数值模拟,找出适当的数学模型和计算方法,并根据模拟结果对蒸汽喷射器内流场进行分析,采用改进热力学方法对蒸汽喷射器扩压管喉部状态点进行计算。
参考来源 - 蒸汽喷射器的CFD数值模拟及过程状态分析Steam ejector is one fluid machine that pumps low-pressure fluids with high-pressure steam.
蒸汽喷射器是一种利用高压蒸汽抽吸低压流体的流体机械。
参考来源 - 蒸汽喷射器的设计及CAD软件系统的开发As a fluid equipment, steam ejector can improve pressure of fluid without mechanical energy and its structure is simple and reliable.
蒸汽喷射器是提高流体压力而不直接消耗机械能的设备，其结构简单可靠、运转费用低廉。
参考来源 - 蒸汽喷射器特性的CFD分析与节能应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
酒精工业中，蒸汽喷射器对淀粉质原料进行加热糊化、液化，完全可替代传统的套管式加热器、蒸煮罐和后熟罐等大型设备。
In alcohol industry, vapor ejector is used in the processing of mashing and liquefying starch materials and can substitute for traditional large equipment, such as tubular heaters and mash boiler.
将使用蒸汽喷射器替代热水循环泵对除氧加热系统进行循环加热的效果进行了对比，认为应用蒸汽喷射器可以起到节能、安全、高效、方便的作用。
The results of circulated heating of the deaeration heating systems were com-pared by using steam injector to replace the hot water circulation pump.
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。
The performance of steam-jet vacuum pump was investigated by changing the ratio of secondary to primary throat area, relative position of the steam nozzle and the taper of the mixing section.
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