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Head of water pump


"Yang Cheng" refers to the height of the pump. The common English letter Liao means that the unit price is "meter (m)" or other unit of length '. Yang Cheng's strict definition is: the energy added by the unit weight of liquid after passing through the water pump * As we all know, the energy of liquid can have = forms of expression. Impromptu energy, kinetic energy and compressive energy. The production of agricultural sewage pumps uses towels. It is common for workers to increase the potential energy of water: for example, to raise the water below to a certain height channel is to increase the potential energy.
Under normal circumstances, the sewage pump will suck up the water through the suction pipe, through the impeller for the state, the water pressure to the pressure outlet pipe, and finally delivered to the pool. The concept of pump head is sometimes misunderstood and should be distinguished. First of all, we must distinguish the two concepts of the topographic head of the pump and the total head of the pump. The so-called topographic lift refers to the vertical height from the water surface to the outlet of the water-pressure outlet pipe. The total length of the water pump refers to the topographic head of the water pump plus't: the energy loss caused by the flow of water in the pipeline. This energy loss is divided into two parts: the friction hydraulic loss along the path and the local resistance hydraulic loss. Along-way friction hydraulic loss refers to the friction loss caused by flow along the length of the pipeline. Local resistance hydraulic loss refers to the energy loss caused by elbow, valve and other pipeline accessories.


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The greater the power, the better the pump?

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What are the types of pumps?

Pumping station refers to a pumping system composed of mechanical and electrical equipment and supporting buildings with a pump as the core. The pump alone can not work, it needs to work with the power machine, transmission equipment, pipelines and various auxiliary, control equipment to form a complete pumping device to work. In order to ensure the normal work of mechanical and electrical equipment and management personnel, and provide a good water flow condition for the safe and efficient operation of the pump, it is also necessary to build various supporting buildings such as water pump house, water intake buildings, power transformation and distribution facilities, thus forming a water pumping station engineering hub. Water pumping station according to its different characteristics, roughly the following classification.