Corrosion-resistant centrifugal pump start-up commissioning need to pay attention to what?

by:J&T     2020-06-17
Corrosion-resistant centrifugal pump is a anti-corrosion chemical centrifugal pump, centrifugal pump is a pump industry to use more type pump, centrifugal pump usually ban on idling, idling for centrifugal pump damage is very serious, in the new buy installation of centrifugal pump products, need to be done in advance at the end of the installation of centrifugal pump commissioning work, was in a centrifugal pump commissioning work should be according to the following centrifugal pump commissioning method and centrifugal pump commissioning notice operation, so as to avoid improper operation caused by the centrifugal pump didn't work is damaged; 1, before starting the centrifugal pump to ban idling empty load test, should press centrifugal pump instructions for the operation procedures stipulated in the above the liquid test, for the forced lubrication system, the rise of temperature of the centrifugal pump bearing oil should not be more than 28 degrees, the temperature of bearing metal should be less than 93 ℃. 2, centrifugal pump, centrifugal pump in the process of commissioning work should be very balanced, no noise, cooling fluid and lubricating oil system should be normal, centrifugal pump and accessory line should not have leakage phenomenon. 3, centrifugal pump seal and medium leakage cannot be more than the following standard requirements: 1) Adopt mechanical seal water centrifugal pump: 10 drops/min light oil, heavy oil 5 drops/min2) Using the multistage centrifugal pump packing seal products: 20 drops/min light oil, heavy oil, 10 drops/min3) For magnetic drive pump is poisonous, harmful and flammable and explosive medium, there is no visible leakage. 4, for ring lubrication or splash lubrication system of centrifugal pump, the temperature of the lubricating oil cannot be more than 39 degrees, the temperature of the bearing components should be should be less than 82 degrees. 5, at the time of centrifugal pump commissioning should also check the centrifugal water pump bearing vibration value of bearing vibration of a centrifugal pump standard can refer to related petrochemical rotating machinery vibration standard. 6, for the centrifugal pump commissioning process should pay attention to whether the current centrifugal pump motor running within the prescribed scope, if exceed current head lower than the pump will show the actual working condition and then suggest outlet valve control of centrifugal pump flow down the current used at rated current range.
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