Common Faults of Arc Gear Pumps and Their Treatment
Jiangsu Dingtian Stainless Steel Products Co., Ltd. , https://www.dingtiancasting.com
We commonly used gear pump will appear a variety of fault conditions, do not know what we have concluded? The following summarizes the common situation and approach, I hope everyone can gain something. Arc gear pump failure and treatment methods: First, if there is no oil or less oil discharge phenomenon 1, one of the possible reasons is the direction of rotation is reversed Treatment: Adjust the phase sequence so that the positive rotation 2, if Gear pump oil pipe is not immersed in the oil Solution: Immediately check the suction pipe, while immersed in the oil below. 3, if the gear pump suction height is too high above its own nominal height value. Treatment methods: Instrument to measure the pressure on the suction side of the gear pump to improve the height of the suction surface 4, gear pump suction pipe leakage treatment method: Check the gear pump where each junction, at the same time in the course of daily use is best to use sealing material seal. 5, if the safety valve stuck or bad deal with the method: the safety valve open for the overall cleaning, grinding with a fine grinding paste to make it in place. 6, the liquid temperature is low and the viscosity increases. Approach: Preheat the liquid, if not possible to reduce the discharge pressure or reduce oil discharge. Second, arc gear pump pressure or pressure rise is not high. 1, pressure gauge did not open treatment: open the pressure gauge switch. 2, the oil temperature is too high, the viscosity is low, the pipe resistance Small method of treatment: lower oil temperature 3, the pipeline leakage treatment method: Check the suction side of the pipe Third, arc gear pump mechanical seal oil leakage 1, the shaft seal is not adjusted Remedy 2, O-ring damage treatment: replace the O-ring 3, the mechanical seal stationary ring and moving ring damage or burrs, scratches and other Defects Treatment: Replacement of the static and dynamic ring or re- Arc gear pump abnormal noise and vibration 1, the pump shaft and the motor shaft is not the heart, has been bent Processing method: readjustment 2, suction pipe or oil filter plugging method: clear pipe and filter plug 3, the oil pipe resistance Too large processing methods: Check the oil drain pipe and the valve is plugged 4, the gear and bearing flanks serious wear or seizure Treatment: Remove the trim or update Fifth, the motor power overload 1, the discharge pressure is too high Adjustment: reduce the installation 2, the liquid temperature is low and the viscosity increases Treatment: Preheat the liquid, such as the possibility of preheating will reduce the discharge pressure or reduce oil discharge 3, the shaft is not straight bending method Check the alignment or replace 4, gear and bearing the side of serious wear or killed processing methods: Remove the trim or update