What should I do if the bus fire extinguishing DC pump cannot be started?

《What about automatic fire sprinkler systems?"The article introduces the experimental situation of the automatic sprinkler system on the bus. The fire extinguishing effect is quite miraculous. One of the parts plays a very important role, and that is the DC pump of the bus fire extinguishing system. At first glance, it seems that I have never heard of such a thing, but it is actually a type of fire pump. The self-starting of the DC pump of the bus fire extinguishing system is through the glass ball of the pipe network nozzle in each protected area bursting at high temperature, causing the water flow in the pipe network, thereby linking the pressure switch action of the alarm valve to achieve the purpose of self-starting the sprinkler pump. Through the water flow indicator linkage module or the alarm valve pressure switch lead to the control room, the fire control room can accurately reflect its action signal. At the same time, the control room should be able to directly control the start and stop of the sprinkler pump. But what if the fire pump fails to start? ListenBus fire extinguishing system DC pumpThe manufacturer introduces to you:

1. First check whether the power supply is normal:

1) Whether the joint connection is secure;

2) Whether the switch contact is tight;

3) Whether the fuse is blown;

4) Whether the three-phase power supply is equal. Repair in time after inspection.

2. Check whether it is a mechanical failure of the water pump itself:

1) The packing is too tight or the space between the impeller and the pump body is stuck and blocked by debris;

2) The pump shaft, bearings and leakage reducing ring are rusted;

3) The pump shaft is severely bent, etc.

Solution:

Loosen the filler and clear the water diversion channel;

Disassemble the pump body to remove debris and rust;

Remove the pump shaft and correct it or replace it with a new one.

If none of the above methods can repair it well, you can consider replacing it. Firefighting is an urgent matter and cannot be done carelessly, so daily inspection and maintenance work should be done to ensure that fires can be extinguished in time just in case.