The reason of turbine pump thrust tile burning, what should I do?

Analysis of the causes to balance the drum fastening balance chamber loose cap off, heavily damaged balance drum and the throttle bushing. Because of bad impeller to the runtime alternating axial thrust, destruction of the oil film of thrust tile, can also lead to thrust tile burn out. Connect two rounds of elastic damage of the rubber band on the bolt is more, scattered in gap between two rounds of condensate pump starts, lift up impeded, shafting force increases, the segment and is difficult to form stable oil film between the head and formation of dry friction. Oil chamber cold oil micro leakage may occur and lead to oil in the water. Deal check static child widgets, no defect should be bright and clean level off, no crack, corrosion, wear, deformation of rotor, cooperate to correct, according to the technical requirements for measurement data. On the shaft bending, impeller sway, clearance, guide shoe, guide bearing clearance shall comply with quality standards, is repaired change the unqualified parts. Through the idler adjustment set, guarantee the idler unilateral clearance of 0. 25 - 0. 30mm。 To prevent water pump cavitation cause tile burn out. 4. 1 to replace the new balance drum and the throttle bushing, push head and 12 pieces of thrust tile and open the check of the hole in the shaft head to ensure clearance at 0. 42 - 0. 48 mm standard range. Under the premise of guarantee the strength, the installation of the motor bracket latitudinal direction, monitoring in the process of the hoisting motor to prevent damaged rubber band due to wheel in blind area, prevent condensate pump starts to cause shafting force increases, thrust tile oil film, is established by tile burn out. Processed in advance collar instead of idler measuring total series, hydraulic pressure test was carried out on the cold oil chamber oiler, maintain 5 minutes pressure does not drop, check the closed cooling water pressure and flow conform to the requirements of the specification, excluding oil atomization. Adjust the height between the shell and straight pipe through exports, to ensure the impeller in the pump shell, the correct position of the string, to ensure the impeller to neutral.
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