The oil leakage between the flanges of the heavy oil line has occurred several times; how should this be dealt with?
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For heavy oil streams such as reprocessed oil, slurry oil, and intermediate products, the connections between valves and flanges have been tightened several times to stop oil leakage, but oil still seeps out and drips; it looks very unsightly when oil accumulates in the containers. Any advice would be appreciated!
The flange planes are not parallel or not properly tightened, which has damaged the gasket
Well, I can’t tighten it any more now; I’ll have to wait until maintenance time to replace the gasket
There is a bolt tightening procedure in the HaiChuan PPT section; you can take a look
Actually, when these areas coking occurs, the effect is better compared to when it’s tighter!
Yes, but this method works well when the leakage amount is low. However, in cases of high leakage, the defocus effect doesn’t help and leakage still occurs – so what should be done in such situations? Leakage is also a common problem with our current devices
Coking is usually caused by small leaks; if they become large, other methods must be employed to address the issue!
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Disc springs can be added; leaks are usually caused by temperature changes.
Is smoke coming from the leaky area? Covering it with steam should help.
Don’t just consider the gasket issue; also think about whether the flange is open. If possible, tighten the supports a bit more~~