The high-pressure centrifugal pumps of Zoomlian Pump include D-type horizontal multi-stage centrifugal pumps and high-pressure self-balancing multi-stage pumps. In daily use, the correct use of water pumps can ensure the service life and normal operation of the water pumps. Today, Xiaobian Let me talk to you about how the operating specifications of the high-pressure centrifugal pumps are specifically expressed? Next, I will explain the operation process of the high-pressure centrifugal pumps in detail.
1. The specifications of the high-pressure centrifugal pump
1. Contact security, electrician, and instrument technician to check whether the equipment is normal.
2. Whether the rotation of manual disc pump and rotor is flexible.
3. Open the pump cooling water valve.
4. Whether the lubricating oil level is normal.
5. Whether the liquid level of the tower and kettle connected to the pump inlet is normal to prevent pumping down.
6. Open the full inlet valve, open the pump body and the exhaust valve of the inlet pipe to exhaust the gas.
7. Start the motor and open the outlet valve after the pressure is normal.
8. Observe whether the pressure and current are within the specified range.
9. To start the cryopump, the pipeline of the cooling pump must be opened first, and it can be started after the pump is completely cooled. The cooling pipelines of the running and standby pumps are both in the open state.
Two, high-pressure centrifugal pump stop specification
1. Slowly close the pump outlet valve and press the stop power button to stop the pump.
2. Close the pump inlet valve, and decide whether the pump body pressure must be removed and the solution drained according to the actual situation.
3. Turn off the cooling water and high-pressure sealing water (a small amount of water should flow in the water pipe in winter to prevent freezing).
Three, high-pressure centrifugal pump inverted pump specifications
1. Turn on the standby pump according to the normal start-up procedure
2. After confirming that there is no problem with the newly opened pump, the pump can be reversed
3. Slowly open the outlet valve of the standby pump and close the outlet valve of the original pump slowly.
4. Adjust the outlet valve of the newly opened pump until the required flow rate, and close the outlet valve of the original pump
5. When confirming that the new pump has no problem, stop the original pump
Four, matters needing attention when high-pressure centrifugal pump is running
Always pay attention to whether the readings of the pressure gauge and ammeter are normal, and find out the cause of the abnormal situation and eliminate it in time.
Observe the lubricating oil label frequently to keep the oil quantity within the specified range, and check the oil quality regularly. If there is any change, it should be replaced in time according to the specified brand.
Frequently observe the supply of lubricating oil, oil seals and cooling water. Deal with the situation promptly if it is found.
Frequently check the tightness of the high-pressure centrifugal pump and motor anchor bolts, the temperature of the pump body and the shaft pump, and the sound of the pump during operation. For high-pressure centrifugal pumps with complex structures and high automation (such as canned pumps) Start, maintain, and shut down according to the operating procedures. Before there is no scientific basis and experimental proof, it is not allowed to change the operation 5. Common faults and treatment methods of high-pressure centrifugal pumps.
