Analysis of the common failures of mortar pump

Common failures of mortar pump guard wear, shaft breakage, bearing damage, can not hit the liquid, lack of flow, lack of lift, etc., then when we encounter these failures, we know what is the cause ? With this question, the following for everyone to analyze the causes of mortar pump common faults. Analysis of common causes of mortar pump failure 1, guard wear: generally due to erosion of the media, you can use the scrap replacement method to solve the fault. 2, pump shaft broken mortar pump shaft material used is 99% alumina ceramic, the main reason for the shaft is broken, because the pump runs dry, the shaft bearing dry wear and tear. Open the pump inspection can be seen when the bearing has been seriously damaged to prevent the pump broken off the main method is to avoid the air pump running. 3, slurry pump bearing damage mortar pump bearing material is high density carbon, in case of pump water or pump impurities, it will cause the bearing damage. Cylindrical coupling inside and outside the rotor between the coaxial requirements if not guaranteed, it will directly affect the bearing life. 4, mortar pump can not hit the liquid mortar can not play the liquid pump is the most prone to failure, the reasons are more. First of all, check the suction pipe of the pump for any leaks, check whether the air in the suction pipe is drained, whether the amount of liquid poured in the pump is enough, if there is any clogged debris in the suction pipe, check if the pump is reversed Especially after changing the motor or overhauling the power supply line), you should also pay attention to whether the pump suction height is too high. If the above inspection still can not be solved, the mortar pump can be disassembled and checked to see if the pump shaft is broken. Check whether the moving ring and the static ring of the pump are intact, and whether the whole rotor can move in a small amount. If the axial movement difficulties, can check whether the carbon bearing with the pump shaft is too close. It is worth noting that the pump repair a few times to find out the problem, should pay attention to the work of the magnetic coupling is normal. In considering whether the speed is enough, we must first check the motor speed is normal, tachometer available for measurement, the motor speed is normal, you can consider whether there will be magnetic coupling slippage. 5, mortar pump flow is insufficient. The main reasons for the lack of flow are: impeller damage, speed is not enough, the lift is too high, the tube is clogged with debris and so on. 6, gray pump head is not enough. The reasons for this failure are: transmission medium air, impeller damage, speed is not enough, the proportion of liquid transport is too large, the flow is too large. Extended reading: China Construction Water Exhibition water pump manufacturers rankings ptc exhibition motor top ten brands pump valve pipe fittings Show Information Industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http: // mj .liuti.cn / (Service Hotline:)

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