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1)  water ring vacuum system
水环式真空系统
1.
,this paper introduces working liquid circulation system of water ring vacuum system.
结合广纸PM5生产线水系统,介绍水环式真空系统工作液密闭循环系统。
2)  vacuum system of storage nng
储存环真空系统
3)  water-ring vacuum pump
水环式真空泵
1.
This article analyzes the working principle of the water-ring vacuum pump and determines a reform plan which can resolve this problem.
水环式真空泵在夏季往往因工作水温度高发生汽蚀,影响设备安全稳定运行。
2.
In the large condensing power plant the water-ring vacuum pump usually used as condenser air exhaust e- quipment.
大型凝汽式电厂多采用水环式真空泵作为凝汽器抽气设备。
3.
There are four 300 MW condensing turbines installed in project phase I of a power generation corporation,and two 2BW4353-0 type water-ring vacuum pumps were configured for each unit.
某发电公司一期工程安装4台300MW凝汽式汽轮机,每台机组配备2台2BW4353-0型水环式真空泵。
4)  liquid ring vacuum pump
水环式真空泵
1.
Some technical measures to improve the vacuum system are put forward, hence liquid ring vacuum pump is feasible in the CZ crystal grower, which is conducive to good performance of the CZ crystal grower.
分析了采用滑阀式真空泵直拉单晶炉真空系统的缺点;通过改造真空系统,将水环式真空泵应用在直拉单晶炉设备上,提高了直拉单晶炉的整体性能。
2.
The text introduces the theory and operation characteristic of liquid ring vacuum pump and auxiliary equipment,It has important technology reference value to electric power industry.
介绍了水环式真空泵的原理与运行特点,对其附属设备也作了详细介绍。
5)  water ring vacuum pump
水环式真空泵
1.
The working mechanism,performance in operation,and the influence of working water temperature upon air-extracting capability of the water ring vacuum pump have been analysed.
分析了水环式真空泵的工作机理、运行特性、工作水温度对抽气能力的影响,研究表明水环式真空泵的吸气质量流量与吸气压力成正比,为此建立了更符合实际要求的水环式真空泵数学模型。
6)  Vacuum sewerage system
真空排水系统
1.
The application status and technical differences of vacuum tank discharge in vacuum sewerage system are discussed.
简述了真空排水系统真空罐排放的应用现状和技术差异,重点介绍了单真空罐带负压排放方案的设计要点,详述了排污泵参数的确定方法和平衡管的作用。
2.
The components and principle of outdoor wastewater collection unit in vacuum sewerage system are introduced.
介绍了真空排水系统室外集水单元的组成和原理,指出液位控制阀是实现液位控制与污水序批排放的关键。
补充资料:水环式真空泵
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性质:转子在泵内旋转时形成水环的真空泵。泵体是圆筒形,中有偏心装置的转子,转子上有叶板。开动前,泵内充入一定高度的水(或其他液体)。当转子旋转时,水被搅动而旋转并产生离心力,沿泵体形成一定厚度的水环。由于转子的旋转,轴中心不与泵体的中心重合而水环的圆心也不与转子的中心重合。这样,插入水环中的叶板间就形成了水室逐渐增大,可将外部气体通过吸入孔隙而吸人小室内。在旋转的后一半,小室逐渐减小,使气体压缩而从排出孔隙排出。转子不断地旋转,就可将气体不断地吸人和排出。属于湿式真空泵,最高真空度可达85%。构造简单紧凑,没有阀等机件,很少堵塞。也可用于输送气体,但不宜用于含有固体颗粒的气体。

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