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Fire pump fault diagnosis and analysis
Fire pump is very important for our fire safety, in the product selection is the need to do more preparation. According to the fire pump application engineering process, water supply and drainage requirements, from the liquid delivery volume, the device head, the nature of the liquid, the pipeline layout and operating conditions of operation from five aspects to be considered. Fire pump in actual use there will be many problems appear, then the fire pump fault diagnosis and analysis. Fire pump fault diagnosis and analysis 1, no liquid supply, lack of supply of liquid or insufficient pressure a, the pump is not water or exhaust there is no appropriate measures to eliminate: Check the pump housing and inlet pipe are all filled with liquid. b, the speed is too low Elimination measures: Check the motor wiring is correct, the voltage is normal or the turbine steam pressure is normal. c, the system head too high Elimination measures: Check the system head (especially the friction loss). 2, the fire pump will stop for a while running a, suction stroke is too high Elimination measures: check the existing net head b, impeller or pipeline plugged Elimination measures: Check for obstructions. c, there is leakage of air or inlet pipeline 3, fire pump power consumption is too large a, the direction of rotation is not the elimination of measures: Check the direction of rotation. b, impeller damage to eliminate measures: Check the impeller, according to the requirements of replacement. c, rotating parts bite elimination measures: check the internal wear parts of the gap is normal. Pumps for fire protection system are divided into the following categories: Fire Sprinkler Pumps, fire hydrant pumps, fire pumps, fire booster pumps, according to the actual situation to be used. The types of pumps used for fire protection systems are similar, except that the head and flow rates are different. Fire pumps commonly used in work are mainly divided into vertical fire pumps and horizontal fire pumps, liquid flow is one of the important parameters of the fire pump, which is an important basis for the user selection, because the liquid flow is directly related to the entire installation of the device Production capacity. Fire pumps play an important role in ensuring people's safety and property. It is necessary and important to speed up the research on such products.