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Application of pumps

Pump is a device that raises, transfers, delivers, or compresses fluid.It usually raise liquid from low position and transfer liquid to highier position,most of pumps are electric pump.
Pumps can used in agriculture:irragation;running water project:water raise,water transfer,water distribution,water pressure booster;waste water treatment:dirty water pump,drain water,transfer water,water filtration,like ro booster pump;Heat power station:boiler feedwater,coolant water,recycled water,clean ash;Mine and steelworks:drain water,hydraulic coal mining,Steel dephosphorization;oil industry:drilling project,oil transfer,water supply,oil suction,oil refining;chemical industry:chemical liquid,heat liquid,cool liquid.metal smelting;shipping industry:boiler feedwater,raise coolant water,tranfer recycled water,oil goods,clean ship cabin,balance the water go by ship, push ship forward;construction industry:drain water,dredging,concretion,shower pump;
building equipment:boiler feedwater,building water supply,drain waste water,temperature water cycle,aquarium water pump,air conditioning;light industry: pulp transfer,medicament transfer,ceramic slurry transfer;Food industry:drink,milk and so on transfer.

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Causes of Electric Motor Burning by Water pump

1. First, find out whether the motor burns the bearing (mechanical fault) or the coil (electrical fault). If it is the fault of burning coil, it is mainly caused by overcurrent, sometimes too high or too low voltage will also cause the coil to heat and short circuit, so check that the voltage when running is too different from the rated voltage.There may be several reasons for over-current short-circuiting: A. the equipment is overloaded to make the motor run for a long time at rated or over rated current. In particular, the starting current of the motor is 3-5 times that of the rated current. Therefore, we should try to avoid running with load or full load when starting the equipment (mainly depending on the matching allowance of rated current and normal operating current of motor). B, the motor works in a wet working environment. The insulation of the coils should be checked before the motor starts. The insulation requirements of different voltage grades are also different. May r...
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The advantages of the stainless steel centrifugal pump

The stainless steel  centrifugal water pump  can be used to convey various medium from tap water to industrial liquid at different temperature with different flow and pressure.the stainless steel  centrifugal water pump  can be used to transport the liquid,which PH Value is 5-9,the liquid can be slightly alkaline water,take off a mineral water,distilled water,swimming pool water,chloride liquid, they are anti-corrosion pumps. Stainless steel  centrifugal water pump  can last for a long time, stainless steel gear pump because the high quality material and light weight rotating parts, the stainless steel  centrifugal water pump  life expectancy is much longer than the ordinary pump. Gelaili pump industry ,supply professional stainless steel water pump. www.jxgllpump.com
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Pressure fluctuation propagation of a pump turbine at pump mode under low head condition

Pressure fluctuation at the vaneless space and vanes passages is one of the most important problems for the stable operation of a pump turbine. The fluctuation appears in any operating condition. Much research has been done on the pressure fluctuation of hydraulic machinery. However, the details of pressure fluctuation propagation of the pump turbine at the pump mode have not been revealed. The modern pump turbine with high water head requires the runner to be “flat”, which would induce pressure fluctuation more easily than the low head pump turbine. In this article, a high head pump turbine model is used as the research object. As the pressure fluctuation at off-design point is more serious than at the design point, the low head condition is chosen as the research condition. Pressure fluctuation at the vaneless space and vanes passages is predicted by the computational fluid dynamics method based on k- shear stress transport model. The experiment conducted on the test rig of the Har...
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