High-temperature gear pump measures to improve operating life 1. Due to high-temperature gear pump pump running at high temperatures, so cold installation should be set up on the pipe Hinge support seat to prevent displacement after heating pipe 2. Coupling must be in the pump body Heat up after the heat to correct the operation to avoid additional torque. 3. High temperature gear pump outlet pressure measuring point to be set to stop interlocking alarm. Otherwise, once the discharge pipe is blocked. Easy to cause damage to the pump. No pressure when the formation of the export. Do not blindly speed to prevent premature failure of the shaft or bearing. 5. When cleaning the pipette, do not pump the cleaning fluid. Should remove the inner parts. Pipette after the end of installation. Foreign body. 6. The temperature of the pump heat medium jacket can be slightly lower than the heat medium temperature of the jacket tube before and after. Because the melt viscosity and shear rate as a decreasing function, the gear extrusion. The temperature of the body rises 3-5 ° C after the pump. Reducing the temperature of the heat medium prevents the melt from degrading. The data show that the bearing capacity can be greatly increased by reducing the bearing area temperature. Speed ​​can be used gear pump output capacity increased by 50% Do not make the front and rear pressure rise sharply to avoid damaging the bearings or causing the melt to clog the lubrication channel. 8. The melt filter behind the pump outlet should be replaced regularly. Do not operate at high pressure or even pressure for extended periods. Bearing can save maintenance costs.When the shaft or bearing inner surface wear is found to be close to the thickness of the hardened layer, the shaft can be used again after grinding, replacing only the bearings, which prolongs the life of the pump shaft by 8-10 years. In case of power outage or heat medium cycle interrupt more than 3Omin. High temperature gear pump should be disassembled and then reassembled to avoid melt curing. Cracking caused by poor lubrication and so on the pump lubrication damage.
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