没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。
If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.
其泵的应用范围很广，从简单的工业辅助泵到高压冷凝回流泵以及电厂的热泵。
The pumps are used in a wide range of applications ranging from simple industrial booster pumps to high pressure condensate return and heater drain pumps in power plants.
应该提供传动装置循环泵(p—02603)和回流泵(动力- 02604)剖面图纸。
Cross section drawings of Media Circulating Pump (P-02603) and Backwash Pump (P-02604) shall be provided.
为了最小化油蒸汽的回流，一些冻干机在真空泵和前箱间设计了弯曲的管路。
In order to minimize oil vapor migration, some lyophilizers are designed with a tortuous path between the vacuum pump and chamber.
用真空泵除去污泥的固体含量而该泥水则经排水渠或回流渠排出。
The sludge is passed under a vacuum pump and allows the water to pass through a discharge or recirculation drain.
回流比、进料浓度、周期循环时间均对半连续热参数泵分离效果产生影响。
Reflux ratio, feed concentration and cycling time have effect on the separation.
高粘度泵可配安全阀，当泵或管路系统超压时，安全阀门打开，形成内部回流，保证系统安全。
High viscosity pump can match the relief valve, when the pump and piping system overpressure, safety valve is opened, the formation of internal reflux, ensure the safety of the system.
当泵关闭进行维护保养或用淡水进行冲洗时，大量的水就可能通过管道回流，从而损坏泵。
When the pumps are shut down for maintenance or fresh-water flushing, massive amount of water can backflow through the pipes, damaging the pumps.
用于提升回流污泥或带渣质废水，能起到轴流泵所不及的作用。
For promotion of sludge or slag backflow qualitative wastewater, can play the role that less reliable.
通过对该泵内部流动速度、压力分布与捕捉到的流动冲击、二次流、回流等重要现象的分析，给该泵的性能改善与改进提供可靠的信息。
Useful information for the performance improvement was got from the distribution of inner flow velocity and pressure, flows impact, secondary flow and recirculation in the helix centrifugal pump.
配置优良、专业的不锈钢化工专用泵，自动回流系统、卡泵保护功能、流量稳定、耐用、喷涂量精确。
The good, professional stainless steel chemical-specific pumps, automatic return systems, the pump-block protection function, flow stability, durability, spraying the amount of precision.
泵头有3点滚筒设计，设备可作为止回阀阻止回流，虹吸，过量用药和避免大量的材料损失等。
All Stenner metering pumps have a 3-point roller design in the pump head, which ACTS as a check valve to prevent back flow, siphoning, overdosing and loss of prime.
数值结果表明：1）在微泵扩散管的过流截面上流速有时间相位差和回流现象。
The numerical results indicate that 1) Phase differences in time of flow velocities and backflows occur across section of diffuser connecting to pump chamber;
通过减小腔内回流比例、增大正反方向流阻差，提高泵液效率与输出泵压、减小输出脉动。
By reducing the reverse flow in chamber and by increasing resistance difference of back-and-forth flow, higher efficiency, higher pressure and less output fluctuation could be expected.
通过模拟计算，研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
当这个异常压力达到隔膜式释压阀所设定的压力时，液体会由此阀回流，以达到保护泵浦及管路的目的。
If the liquid reaches the preload pressure of the relief valve, the liquid flows through it to prevent pumps and pipes from damaged.
停机时，防止泵内的水回流到设备内；
When engine off, prevents in pump's water backflow to the equipment in;
数值结果表明，蜗壳内的速度场以及压力场分布相对比较均匀，在隔舌和扩散段内存在一定的回流和涡流，但并不影响泵的良好性能和高效率。
The results show the distributions of the velocity field and pressure field, especially for the flow in laryngeal and diffuse part. There are refluence on...
数值结果表明，蜗壳内的速度场以及压力场分布相对比较均匀，在隔舌和扩散段内存在一定的回流和涡流，但并不影响泵的良好性能和高效率。
The results show the distributions of the velocity field and pressure field, especially for the flow in laryngeal and diffuse part. There are refluence on...
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