The main flow components include a suction chamber, an impeller and a pressure chamber. The water-absorption chamber is located in front of the inlet of the impeller and plays the role of guiding the liquid to the impeller. The pressure-pressure chamber mainly has three types: a spiral pressure chamber (volute type), a guide vane and a space guide vane; the impeller is the most suitable for the pump. The important working element is the heart of the flow-through part. The impeller consists of the cover plate and the middle blade.
Before work, the pump is filled with liquid and then started. The impeller rotates rapidly. The blades of the impeller drive the liquid to rotate. When the liquid rotates, it flows to the outer edge of the impeller by inertia, and the impeller draws liquid from the suction chamber. In the process, the impeller The liquid in the impeller flows around the blade, and the liquid acts on the blade one by one during the flow movement. In turn, the blade acts on the liquid with a force equal to and equal to the lift force. This force works on the liquid to make the liquid get energy. When the impeller flows out, the kinetic energy and pressure energy of the liquid both increase.
The action of the rotating impeller on the liquid conveys the mechanical energy of the prime mover to the liquid. Due to the action of the force, the velocity energy and the pressure energy are increased during the flow of the liquid from the inlet of the impeller to the outlet. The liquid discharged by the impeller passes through the extrusion chamber. Most of the velocity can be converted into pressure energy, and is then transported along the discharge line. At this time, the vacuum at the inlet of the impeller forms a vacuum or low pressure due to the discharge of the liquid. The liquid in the suction tank is pressed into the inlet of the impeller under the pressure of the liquid surface (atmospheric pressure), and the rotating impeller is continuously Inhale and drain liquids.
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