Process equipment cleaning
2021-2022: JSC DMK (Ukraine), BF # 9 and BF # 12
Activities to refurbish the BF coolers to their design flow rate and pressure characteristics in line using an in place-repair technique
Results
| Description | Value before | Value after | Variance |
| Water flow rate, m³/hour | 1,7 | 4,0-4,2 | 2,3-2,5 |
| Pressure, bar | 4,2 | 0,75 | 3,45 |
2021: JSC DMK (Ukraine), Oxygen Compressor Plant:
Maintenance, in-place cleaning and restoration of the volumetric and heat exchanging parameters for heat exchangers Alfa Laval TS20- MFG and Alfa Laval MA30-SFM and heat-and-utilities equipment as part of the water and air pre-cooling system for Air Separation Unit AKAr-40/35-4 in the Oxygen Compressor Plant.
Results
| Parametr | Value before | Value after | Variance |
| Cooled dry air,°С | 22.0 | 11.35 | 10.65 |
| Volumetric parameters of loop А, dm³ | 1.436.0 | 1.689.0 | 253.0 |
| Volumetric parameters of loop В, dm³ | 1.552.0 | 1.687.0 | 135.0 |
