渣浆泵心泵的工作原理
图1-5是离心泵的一般装置示意图。
    由于离心泵本身不能排除气体，离心泵在启动之前，泵内应灌满液体,这个过程称为灌泵。启泵时，驱动机通过泵轴带动叶轮旋转，叶轮中的叶片驱使液体一起旋转，因而产生离心力。在离心力作用下，液体沿叶片流道被甩向叶轮出口，并流经蜗壳送入排出管。
    在液体被甩向叶轮出口的同时,叶轮入口中心处形成了低压区，与吸液罐之间就产生了压差，在这个压差作用下，吸液罐中的液体便不断地经吸入管路和泵的吸入室进入叶轮中。这样，叶轮在旋转过程中，一面不断地吸人液体，一面又不断地给吸入的液体以一定的能头,将液体排出。离心泵便如此连续不断地工作。

式(1-2)是指液体经泵所获得的能量。式(1-5) 中计算扬程H时只需要管路的参数，该式所计算的扬程为管路实际需要的扬程，而非泵本身提供给液体的扬程。泵能提供的扬程应该与泵本身的参数有关，而与管路无关。对于一个给定的泵，来其能提供的扬程具体与什么参数有关，它们之间的关系是什么?这就是离心泵的基本方程一欧拉方程所要解决的问题。渣浆泵
    欧拉方程研究叶轮与流体之间能量的传递过程.确定液体从泵中获得多少能头。液体在叶轮中获得能头，首先表现为液体流速大小和方向的改变因此应先分析液体在叶轮中的流动规律。

Working principle of slurry pump core pump

Fig. 1-5 is the general device diagram of centrifugal pump.

Because the centrifugal pump itself can not exclude gas, before the centrifugal pump starts, the pump should be filled with liquid, this process is called pump filling. When starting the pump, the driver drives the impeller to rotate through the pump shaft, and the blades in the impeller drive the liquid to rotate together, thus generating centrifugal force. Under the action of centrifugal force, the liquid is thrown to the impeller outlet along the blade passage, and flows through the volute to the discharge pipe.

When the liquid is thrown to the impeller outlet, a low-pressure area is formed at the center of the impeller inlet, and a pressure difference is generated between the suction tank and the suction tank. Under the effect of this pressure difference, the liquid in the suction tank continuously enters the impeller through the suction pipe and the suction chamber of the pump. In this way, when the impeller is rotating, it constantly sucks the liquid, and at the same time, it continuously gives a certain energy head to the liquid and discharges the liquid. The centrifugal pump works continuously.

Equation (1-2) refers to the energy obtained by the liquid through the pump. In formula (1-5), only the parameters of the pipeline are needed when calculating the head h, which is the actual head required by the pipeline, rather than the head provided by the pump itself to the liquid. The head provided by the pump should be related to the parameters of the pump itself, but not to the pipeline. For a given pump, what is the relationship between the specific lift it can provide and what parameters? This is the problem to be solved by Euler equation, the basic equation of centrifugal pump. Slurry pump

Euler equation studies the energy transfer process between impeller and fluid, and determines how much energy head liquid gets from pump. The liquid obtains energy head in impeller, which firstly shows the change of liquid velocity and direction. Therefore, the flow rule of liquid in impeller should be analyzed first.