Coal mine with wear-resisting multistage centrifugal pump maintenance and repair

in order to keep the coal mine with wear-resisting multistage centrifugal water pump efficiency and stable working conditions, coal mine with wear-resisting multistage centrifugal pump must often maintenance, repair, maintenance interval depends on the operating conditions of the pump.

coal mine with wear-resisting multistage centrifugal pump operating conditions and the life:

1. Under the condition of water ( Solids content lower than 0. 1%) Run 6000 h no overhaul, this type of pump, no more than 6% drop in efficiency.

         2. In solids content is 0. 1% ~ 1% under the condition of sewage, this type of pump running 5000 h without overhaul, no more than a 6% drop in efficiency.

         3. In solids content of 1% ~ 1. 5% under the condition of sewage, this type of pump running 3000 h without overhaul, no more than a 6% drop in efficiency.

coal mine with wear-resisting multistage centrifugal water pump repair and maintenance

regularly check the performance of the pump ( Such as flow, lift, vibration, etc. ) And do record, according to these data to analyze whether the pump work, whether you need to repair, or which one part of the set to repair.

in general conditions, if you insist on a precise test, record, regular summary record, then according to the operating conditions can get pump is in need of maintenance and reliable data. In addition to the pump monitoring within the prescribed time, the maintenance of the following is often:

a) Check whether the fastening, pump, motor, water pump base if loose will cause the vibration of the pump.

         b） Check of the condition of the instrument, fuses, check whether the pipe leakage or loose, or other forms of damage, if you need to repair immediately overhaul.

         c） Gland cannot too tight, otherwise it will affect the service life of the packing.

         d） Bearing grease every working 100 h filling.

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