Thrust bearing temperature
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Please tell me heroes: After the compressor in our factory exceeds the critical speed, the thrust temperature rises to 105 degrees. ； But when we increase the load and reach the operating speed of 8,000 rpm, the temperature slowly drops to about 90 degrees?
When it is just started, the axial thrust of the compressor has not been completely balanced. The axial force at this time is relatively large under the impact of the air flow. Under normal operating conditions, since the gas has been well balanced after passing through the balance plate, the temperature of the thrust bearing will drop instead. If you think it makes sense, friends and moderators, please don’t forget to give me a rating.
Even if you say this with contempt, there is still some truth to it? Everyone is welcome to post! 2# impeller machinery
2# impeller machinery, but I have to add that we stayed at 6800rpm for about 4 hours. At this time, the "four times to one" and the inter-stage venting were still open to a certain extent. Finally, when the load was increased, the "four times to one" inter-stage venting was fully closed and turned to 8070rpm. The temperature went 100 degrees and dropped to 90, which lasted about 6 hours.
It is a normal phenomenon that thrust bearings bear different thrust forces and have different temperatures. You can tell by looking at the shaft displacement value.