1) of the compressor with an air separation unit facilities, and transportation technology to the fractionating tower with compressed air, in the running of pre-fractionator, often due to the switching valve failure and sudden emptying caused by a sudden drop in pressure, the sudden increase in traffic; or due to switching valve does not open, caused by a sudden increase in pressure, the flow is suddenly reduced, in which case, the impeller to force dramatic changes in the instantaneous balance of destructive and INA bearing operation stability of the system, Spherical Roller bearing force dramatic changes in the radial bearings, axial force of the work surface mutations, INA bearings to withstand great impact, instantaneous rotor aligning roller bearing friction.
2) in operation in order to control the INA bearing temperature, to artificially lower the temperature of the lubricating oil to 28c (design temperature to 4015 C), the viscosity of the lubricant increases, reducing the running stability of INA bearings, vibration intensified, resulting in adjust further damage of the heart roller bearings. Many times the impact, INA Bearing face damage, reducing the carrying capacity of a self-aligning roller bearings.
3) close to the acid-base tank farm due to the inhalation of compressed air, suction people poor air quality, so that the impeller rust, corrosion, leaves attached to the rotor balancing, and the unit vibration intensified, deteriorating working conditions of the INA Bearing aligning roller bearing damage occurred.
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