Pipeline pump is a pipeline centrifugal pump and sewage pump, pipe centrifugal pump is basically composed of six parts, namely, impeller, pump body, pump shaft, bearing, seal ring, stuffing box. 1, the impeller is the core part of the centrifugal pump, coating machine it high speed, the impeller blades play a major role in impeller before the assembly through the static balance experiment. The inner and outer surfaces of the impeller require smoothness to reduce the frictional loss of water flow. 2, also known as the pump casing, it is the main pump. Play a fixed role, and with the installation of bearings GD stainless steel pipe pump. 3, the role of the pump shaft is connected by a coupling and motor, the motor torque to the impeller, so it is the main component of mechanical energy transfer. 4, the bearing is set on the pump shaft supporting the pump shaft components, there are two types of rolling bearings and plain bearings. Computerized body scale rolling bearings using butter as a lubricant to the appropriate general 2/3 ~ 3/4 volume too much will heat, too few have a sound and fever! Sliding bearings are used as a transparent oil lubricant, refueling to the oil level line. Too much oil to bleed along the pump shaft and cheap, too little bearing but also overheating and burn accident! Digital printing process in the pump bearing temperature up to 85 degrees in the general operation of about 60 degrees, if high, we must find the cause (whether impurities, whether black, whether water) and timely treatment! 5, seal ring, also known as leakage ring. Gap machine impeller inlet and pump clearance between the shell is too large will cause the high-pressure pump water flow through the gap to the low pressure area, affecting the pump out of water, reducing efficiency! The gap is too small will cause the impeller and the pump shell friction wear. In order to increase the backflow resistance to reduce internal leakage, delay the service life of the impeller and the pump housing, the inner edge of the pump housing and the impeller is provided with a sealing ring at the joint of the outer support, and the sealed clearance is maintained at between 0.25 and 1.10mm. 6, stuffing box is mainly composed of packing, water seal ring, packing tube, leisure chair packing gland, water seal tube. The purpose of the stuffing box is to close the gap between the pump housing and the pump shaft so that the water inside the pump does not flow outside and the outside air does not enter the pump. Always keep the pump vacuum! When the pump shaft friction with the filler to generate heat will depend on the water seal to live in the water seal ring so that the filler cooling! Maintain the normal operation of the pump. Therefore, during the inspection of the pump running inspection of stuffing box is a special note! Elastomer casting machine in the operation of 600 hours or so to replace the filler.
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