In the process of use, sometimes encounter the problem of stainless steel boiler feed water pump pumping. The stainless steel boiler feed water pump is mainly manifested as vibration, abnormal sound, vibration and other phenomena. So what causes the stainless steel boiler feed water pump to evacuate? Let’s talk about it. Talk about the reasons and treatment methods of centrifugal stainless steel boiler feed water pump pumping.
Stainless steel boiler feed water pump
A, the reason why the stainless steel boiler feed water pump is evacuated
1. There is air leakage at the inlet of the water pump;
2, there is a blockage problem at the inlet of the water pump;
3, the pressure at the inlet of the water pump is not enough;
4. The temperature of the medium at the inlet of the pump is too high or the saturated steam is too large;
5, the inlet valve of the water pump is not fully opened or the valve core is off;
6, the opening of the pump outlet valve is too large or too small;
7, the water pump is sealed with water;
8. The liquid level in the pump tower or container is low or no liquid level;
9, the water pump impeller or inner grinding ring is seriously worn;
10. The water pump motor reverses.
B, the solution corresponding to the evacuation of the stainless steel boiler feed water pump
1. If there is a leak at the inlet of the water pump, it is recommended to stop the machine and check the leaking inlet pipeline and flange of the stainless steel boiler feedwater pump;
2. If the inlet of the water pump is blocked, it is recommended to shut down and check the leaking inlet pipeline and impeller of the stainless steel boiler feedwater pump, and perform maintenance after purging;
3. If the inlet pressure of the water pump is insufficient, the back pressure of the liquid surface of the water pump should be increased;
4. If the temperature of the inlet medium of the water pump is too high, the temperature of the water pump medium should be lowered, and the steam in the stainless steel boiler feed water pump should be vented and drained;
5. If the inlet valve of the water pump is not fully opened or the spool falls off, the valve should be opened or the pump should be replaced before maintenance;
6. If the opening of the pump outlet valve is too large or too small, the opening of each valve should be adjusted appropriately;
7. If the oil is sealed with water, the sealed oil tank should be dehydrated;
8. If the liquid level in the tower or container is low, the outlet valve of the stainless steel boiler feedwater pump should be temporarily closed or the pump should be stopped, and the liquid level will rise after the recovery;
9. If the impeller or the inner grinding ring is worn, it should be replaced in due course;
10. If the motor reverses, adjust the motor rotation direction in time.
