A lot of tailing pump, concentrate pump, feeding pump of filter press with rolling bearings and sliding bearings in two configurations, the advantage of rolling bearing is of simple structure, easy assembly, parts commonality, easy to buy, but bear the impact force is small, of relatively short life, which is used in medium and small pump; the advantages of sliding bearing the work is stable and reliable, no noise, can bear a larger impact load, but due to the complicated structure, Structure Characteristics big volume, starting friction stress is larger, usually is used for large and medium-sized pump.
When replace the bearings of slurry pump, it must guarantee that the bearing assembly and lubricating oil are clean; appropriate pump bearing temperature is generally not more than 60- 650C and does not exceed the maximum 750C. To ensure the coaxiality of the motor and pump, ensure the coupling of elastic cushion is complete and correct and the damaged one should be replaced promptly. Ensure that the pump components and piping system are installed correctly, firm and reliable. Some parts of slurry pump are wearing parts and in the daily use, it should pay attention to loss of vulnerable parts and timely repair or replace them.
1.Starting from the design of pumps
In order to reduce the noise of the pump, in the design process of pump, it should focus on the match degree of the number of the blades and the impeller, which should be mutual prime number to avoid resonance, as well as the reasonable clearance between impeller and guide vane, the radial. The incorrect control of these factors API standard mean will become the source of noise. Reducing the noise source from the sound structure and hydraulic design can ensures that congenital control source superiority.
2.Reasonable installation and operation
When install, it should strictly implement the installation procedure and ensure the accuracy slurry pump manufacturer between the slurry pump parts to prevent the sound source. In the operation, it should pay attention to the exhaust (emptying), which allows the suction height or guarantee NPSH required by NPSHr, control the minimum flow of the pump and reduce excess load flow operation of slurry pump.
Post time: Jul-13-2021