Compressor 2ВМ10-50/8
Reciprocating compressor with a 150 l oil bath. The crankcase and the lubricator are treated to different norms.
Reciprocating compressor 2ВМ10-50/8: 150 l crankcase and lubricator
The class norm is 1.5 ml per liter; the same applies to the crankcase, while 2.0 ml/l is prescribed for the lubricator. Piston compressors →
What is treated
- A serviceable compressor with no parts worn 100 % and no mechanical damage.
- Oil leaks eliminated, filter elements flushed or replaced.
- Treatment is carried out in place, without disassembling the compressor.
What is measured before and after
| Parameter | Instrument | How and when |
|---|---|---|
| Output — filling time of a separate receiver | stopwatch, calibrated pressure gauge | From the same initial pressure to the same final pressure, with the shut-off valves in good order. |
| Power consumption or current at no load and under load | clamp meter, wattmeter | Phase by phase. The standard pointer instruments will not do — they lack sensitivity. |
| Oil pressure at a fixed operating temperature | standard calibrated pressure gauge | — |
| Vibration level at fixed points on the frame | vibrometer | The points are at the crankshaft main bearings. |
| Air temperature at the outlet of each stage | thermometer | At the same ambient temperature. |
Dosage rates
| Compound | Rate | How and when |
|---|---|---|
| Gel for compressors and bearings — crankcase | 1.5 ml per 1 liter of the standard oil per stage | 150 l bath: 225 ml per stage, 675 ml for three stages. |
| The same gel — lubricator | 2.0 ml per 1 liter of lubricator oil | Over 400 hours. At a consumption of 0.2 l/h — 160 ml. Total 835 ml. |
Treatment stages
- In a separate vessel, dilute the gel in the standard oil heated to 50–60 °C (1 part gel to 5–10 parts oil), stir until completely dissolved and add it to the crankcase of the warmed-up compressor.Start of the cumulative running-time count
- The second stage — the same as the first.After 8–12 hours of cumulative running time
- The third stage — the same as the first.After another 8–12 hours of running time
After treatment
- The treatment is complete after 450 hours of cumulative running time.
- Output is measured by the receiver filling time from 0 to 8 kg/cm² and from 5 to 8 kg/cm².
Points to watch
- Treatment of the cylinder-piston group with non-metallic piston rings is not recommended.
- Replace the oil in the crankcase if its residual life is less than 30 %.
- New compressors — 2 stages through the crankcase, lubricator 200 hours.
Where 2ВМ10-50/8 has already been treated
- Grodno Glassworks · 2004↑ 0.02-0.07mm — crankshaft crankpin diameter, 179.89-179.96 → 179.93-179.99 mm
- RUE «PA «Belaruskali» · 2004↓ 1A — drive stator current, 16 → 15 A
Source: XADO applied procedure, lead engineer I. N. Sharaikin. Class norm — instruction IE-24.6-25612000-005-2008, procedure No. 1. Analysis: state/DRIVE_METHODS.md.