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Compressor (V-type) issues

2015-06-30View Original

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I would like to ask: some compressors (of the V-type) have a hole for waste oil, while others do not. The older equipment in our facility that has such a hole is several years old, whereas the newer equipment without it is only a few months old. I wonder if the waste oil goes straight back into the crankcase Also, can this old device be modified so that used engine oil can be sent directly back to the crankcase? I took a look at its structure and realized that drilling a hole would solve the problem; I just don’t know if that will work It shouldn’t have any effect on the compressor, right? Could some expert please explain this?
Reply #22015-07-01
I don’t know where the landlord plans to make changes; it needs to be carefully considered. If they’re quite sure, then go ahead with it
Reply #32015-07-01
It’s the layer with the oil-scraping rings; in the compressor that’s currently in use, the oil that can’t be scraped off by those rings ends up being discharged as waste oil. What I’m suggesting is to drill a hole in this layer so that the oil can flow back into the crankcase. Currently, this oil is discharged outside, and it seems like the oil itself is fine and could be reused. Otherwise, it would just be wasted. With this modification, it’s possible to save a significant amount of oil under ideal conditions. What worries me is whether such a change will have an impact on the compressor. Personally, I don’t think there will be any effect, but I’m still a bit concerned. I can’t make such a change without 100% certainty, as I’d have to take responsibility if anything goes wrong
Reply #42015-07-01
The oil scraped off is definitely sealed and free from external contamination, and can return to the crankcase. When drilling holes, choose ones that are close to the reinforcement plates and not too large.
Reply #52015-07-01
Check what the compression medium is; if the leaking gas has no effect on the crankcase, you can open a hole to allow the oil to flow back in by yourself.
Reply #62015-07-01
Ensure that the recovered oil is clean; select a suitable location for drilling so as not to affect strength. The pipe fittings, whether welded or threaded, must be highly reliable. The internet can only give you suggestions; ultimately, it’s up to you to make the decision.
Reply #72015-07-01
My advice to you is to stay put; if it succeeds, you won’t gain anything from it, and if it fails, it will be your fault. Don’t do such things.
Reply #82015-07-01
Well, the oil flow isn’t very high – at most one drop per minute. I wonder if it’s because the old equipment wasn’t designed properly; personally, I think there shouldn’t be any problem
Reply #92015-07-01
The medium is natural gas, and there is also packing on the wiper ring; the leakage is minimal and can be considered negligible
Reply #102015-07-01
Well, the oil refers to the oil that hasn’t been caught by the oil scraper rings; it shouldn’t be very polluted. Personally, I don’t think there’s much of a problem
Reply #112015-07-01
Yeah, I’m similar too. But sometimes it seems like it wastes some fuel, so I want to make some changes. I’ve been thinking about it for a while now, and I think it shouldn’t have any negative effects. Could the experts please confirm this for me?

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