For fully automatic pipeline booster pump, in addition to outside the debug runtime needs to pay attention to the operation for the first time, use at ordinary times is generally without artificial operation. The following focuses on the automatic pipeline booster pump operation, is usually divided into start-up, operation, stop three steps.
First, starting operation process
In the connection of the pump and motor must lift pump shaft (pump rotor) up 1 to 2 mm, then tighten bolts on coupling;
Pump must turn the pump rotor by hand before starting, flexible;
The pump before starting the pump must be made full of water and air (water pump section of screw water jet), then close the exit gate valve;
Connected to the power supply, the pump starts. Open the pressure gauge, gradually open the export gate valve until the pressure gauge refers to the required pressure.
Second, the operation
Pay attention to the motor bearing temperature, the highest temperature is not higher than 70 ℃. There should be no noise of the bearing during operation.
Often pay attention to check whether there is a gland at the bottom of the pump shaft coupling, a water leak under normal circumstances should not leak or only trace amounts of liquid present in the gland. If there is a large leakage, you should adjust or replace the mechanical seal in the gland.
Water pump working after 10000 hours, should be for maintenance. Impeller and seal ring due to wear and tear more than 0.5 mm, the radius of the clearance seal ring should be timely replacement.
Slowly shut out of the water gate valve and pressure gauge, then close the power of the pump. If environment temperature is lower, it should be out of the water in the pump, so as to avoid frost crack. Stop for a long time when using water pumps, pump should be open, dry the water on the parts, and in the sliding surface coated with anti-rust oil, properly kept.
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