Note before starting the liquid ring vacuum pump from vacuum pump supplier of Saudi Arabia
Today, the small series of Saudi Arabia liquid ring vacuum pump supplier to tell you about the vacuum pump before the pump attention, do not underestimate these attention, good can avoid a lot of problems. The following are the operation rules of liquid ring vacuum pump opening and stopping operation rules of liquid ring vacuum pump compiled by Saudi Arabia liquid ring vacuum pump supplier. If you are interested, please follow me.
Saudi Arabia liquid ring vacuum pump supplier: operating rules for liquid ring vacuum pump
1. Initial state confirmation
Pump medium state in process, confirm the coupling installed, confirm the shield is installed, the pump machine, electricity, instrument is confirmed, pump turning uniform flexible, pump inlet filter clean and install good, before to confirm cooling water pump, confirm qualified grease, confirm the bearing box has grease filling, confirm the entrances and exits of the pump valve is closed, confirm the motor of the pump switch is in the closed or stop state, confirm the motor of the pump power.
2. Preparation for starting the liquid ring vacuum pump
1) confirm that the vacuum gauge at the inlet of the pump and the pressure gauge on the outlet soda separator have been installed, use the vacuum gauge and pressure gauge, use the pneumatic automatic water filling and drainage valve and liquid level gauge on the soda separator, and close the vent valve at the bottom of the soda separator; Contact electrician and fitter, confirm that the motor steering is consistent with the pump steering, confirm that the tools used (wrench, stethoscope, dishcloth, oil pot) are complete, confirm that the pump electrostatic grounding is intact, confirm that the pump anchor bolts are not loose, use the circulating cooling water of the cooler, and confirm that the backwater is smooth.
Slowly open the pump outlet valve open 1/3 valve position, turn it on, check whether the flange has leakage.
2) unit water injection
The pump belongs to a closed circulation system. The supplementary water of the system is re-injected into the pump body after being cooled by the water from the soda separator. Before opening the pump, open the water injection valve of the water release separator and inject water into the pump body. When three water release wires at the bottom of the pump are blocked and water appears, screw on the water release wire and close the water injection valve of the water release separator to stop injecting water into the pump body and make the water in the pump just higher than the water release wire.
3. Liquid ring vacuum pump opening:
1) confirm that the pump motor has been powered up and is ready to start, contact the operator of relevant positions to confirm that the pump does not turn and the rotation is even and flexible. Open the pump inlet valve, open 1/3 valve position, and start the motor. Immediately open the water injection valve on the water separator after starting the motor, so that the water in the pump body and the water in the water separator can reach a balance state;
Stop the pump immediately if:
Abnormal leakage, abnormal vibration, abnormal sound, odor, spark, smoke, electric current does not continue.
2) adjust the pump inlet and outlet valve to confirm that the vacuum degree at the pump inlet is within the required range, the outlet flow is normal, and the motor current is within the normal range.
Liquid ring vacuum pump is strictly prohibited without liquid idling, so as not to damage the parts; Do not start the pump with full water inside; After the liquid ring vacuum pump starts, it is forbidden to run for a long time without opening the outlet valve.
3) confirmation and adjustment after startup:
Confirm that the flow and pressure of the pump are normal and stable, that the vibration of the pump is normal, that the external temperature of the bearing box is not more than 70℃, that there is no leakage, that the temperature and pressure of cooling water are normal, that the current of the motor is normal, and that the vibration sound of the motor is normal.
Saudi Arabia liquid ring vacuum pump supplier: liquid ring vacuum pump stop pump operation rules
1. Stop the pump
Inform relevant positions and supervisors to close the water injection valve on the soda separator, stop the motor, close the pump inlet and outlet valve, and confirm that the pump inlet and outlet valve is fully closed.
2. Isolate and empty
Close the pump inlet valve, close the pump outlet valve, close the water replenishment valve of the soda separator, and confirm that the pump inlet valve is closed. Open the drain valve of the soda separator, open the air defense wire plug of the pump, and make sure the pump’s internal medium is clean.
Above is the explanation of “matters needing attention before the vacuum pump is started” by the supplier of liquid ring vacuum pump in Saudi Arabia, I hope it can be helpful to you. If you have any questions or requirements, you can contact Saudi Arabia liquid ring vacuum pump supplier at any time, we are dedicated to your service.