What are the causes of damage to the supercharged turboexpander nozzle?
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Let’s discuss and summarize the reasons why the adjustable nozzle of the booster turbine expander is damaged.
The opening is too large and the impeller is damaged during operation. The opening should be controlled between 5~95%
Expanding gas carries impurities or liquid impact wear
Our factory is a domestically produced turboexpander. Is the nozzle damaged due to the following reasons?: 1. Are there any quality problems with the nozzle blades, such as material problems? ； 2. Operate and adjust the nozzle too frequently, or adjust the nozzle by a large amount (including input errors, causing the nozzle to open and close suddenly) ； 3. Parking too frequently or making too many emergency stops ； 4. The nozzle is stuck, which is caused by the external force exerted by the actuator during adjustment. ； 5. The outlet pressure of the expander fluctuates greatly or the fluctuation frequency is too high ； Welcome all deep cold friends to actively discuss, summarize accident experience, and share successful experiences.
The Sky Eagle “opened too wide and was damaged by the impeller during operation. The opening should be controlled between 5 and 95%." Do you have any experience? Or is it just an analysis?