Vertical sections of centrifugal pump installation sequence and matters needing attention

More than one, vertical sections of centrifugal pump installation preparation work before 1, ready to install the tools and lifting equipment; 2, check the sections of the centrifugal pump unit more parts have you loose and damaged during the transit; 3, check whether basic level. More than 2, vertical sections of centrifugal pump installation order 1 unit, shipped to the scene, with the base correction has the pump and motor, the leveling base can not unload the pump and motor, so the installation is very convenient. 2, put the base on the foundation, and pad wedge iron near ground screw, will be the base mat 20 ~ 40 mm high, and used as filling slurry after leveling; 3, with a level check the levelness of the base, water base mud filling after leveling, after being dry cement should check the levelness again; Unit 4, when the power is bigger, in order to convenient transportation may separate packing the pump, motor and base, which require users to install at this moment, correction of pump unit, the method is as follows: a, will be the base of supporting plane and motor, water pump, the feet flat on the dirt clean up, and put the pump and motor in the base; B, adjust the pump shaft level, after the leveling bolts will be fixed on the base of pump, walking in case, C, hoist motor, so that the pump coupling and motor coupling to cooperate, put down the motor on the pedestal; D, adjust the two coupling gap is 5 mm or so, and correction of the motor shaft and the pump shaft axis is overlap, the method is to put the ruler on the coupling, the coupling should be cylindrical with flat feet flat, if they do not overlap, should adjust the relative position of motor or pump, or pad to thin plate to adjust; E, in order to check the installation precision, coupling in several different position on the circumference of a circle of the gap between two coupling plane is measured with a feeler, coupling plane week on the difference between the big and small gap must be less than 0. The difference of 3 mm, both ends of the centerline or up and down or so may not exceed 0. 1mm。 5, when the unit without the base, is installed directly on foundation, its methods and 4, are similar, but should pay more attention to correction. More than three, vertical sections of centrifugal pump piping installation note 1, and should not bear on the pump, otherwise easy to damage the pump; 2, when installation, it must tighten the anchor bolts and inspection intervals of a certain period of time to the unit to prevent the loose, so as to avoid the pump starter runtime giant strong vibration and impact on the performance of pump 3, check carefully before installation of pumps water pump flow passage without affecting the operation of the water pump hard objects ( Such as stones, iron ore, etc. ) To avoid damage when pump flow components 4, for the sake of convenient maintenance and use of safety, should be in the import and export pipeline pump is the installation of a control valve and the pump flange on the installation of a pressure gauge, import and export for high lift pump, to prevent water hammer, and also in front of the exit gate valves shall be equipped with a check valve, power to cope with sudden loss of power, such as accident, to ensure the pump running under appropriate conditions, prolong the service life of the water pump; 5, pumps used in occasions, suction should be equipped with a bottom valve, and import pipeline should not have too many corners, at the same time can not have water leakage, leakage phenomenon, so as not to affect the pump inhalation can 6, to not make the impurities into the pump. And plug flow impact performance, should be installed in front of the pump inlet filter 7, line before rotating rotor pump parts, should be no friction or jammed phenomenon, otherwise the pump should be disassemble to reason.
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