Research on optimisation of transformer manufacturing process and construction of smart factory based on digital twin technology
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03. Feb. 2025
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Online veröffentlicht: 03. Feb. 2025
Eingereicht: 14. Sept. 2024
Akzeptiert: 19. Dez. 2024
DOI: https://doi.org/10.2478/amns-2025-0012
Schlüsselwörter
© 2025 Jiexuan Yang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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Control point of catalytic cracking unit in transformer production plant
| No | Facilities | Control point | Code | Unit | Control threshold |
|---|---|---|---|---|---|
| 1 | React | Raise pipe outlet temperature | CCR001 | °C | 500-530 |
| 2 | Entrance temperature | CCR002 | °C | ≤ 200 | |
| 3 | Advance steam flow | CCR003 | t/h | ≤ 2.5 | |
| 4 | Settling tank pressure | CCR004 | Mpa | 0.15-0.18 | |
| 5 | Regenerator pressure | CCR005 | Mpa | 0.18-0.25 | |
| 6 | Double device pressure difference | CCR006 | Kpa | 30-60 | |
| 7 | Separate unit storage capacity | CCR007 | T | 30 ± 10 | |
| 8 | Thermal engineering | Separator level | CCF001 | % | 10-20 |
| 9 | Separator boundary position | CCF002 | % | 30-60 | |
| 10 | Separation tower | CCF003 | % | 40-50 | |
| 11 | Bottom fractionating column | CCF004 | % | 50-80 | |
| 12 | Sealed tank level | CCF005 | % | 30-70 | |
| 13 | Fractionator temperature | CCF006 | °C | ≤ 360 | |
| 14 | Fractional gas phase temperature | CCF007 | °C | 380-400 | |
| 15 | Top display of fractionating tower | CCF008 | Mpa | 0.15 ± 0.05 | |
| 16 | Top temperature | CCF009 | °C | 120 ± 20 | |
| 17 | Product stock to tank temperature | CCF010 | °C | ≤ 100 | |
| 18 | Expected coking temperature | CCF011 | °C | 90-120 | |
| 19 | Material transport temperature | CCF012 | °C | ≤ 80 | |
| 20 | Stabilization | VI302 liquid level | CCS001 | % | 30-60 |
| 21 | Location of the V1302 boundary | CCS002 | % | 30-60 | |
| 22 | V1303 liquid level | CCS003 | % | 10-50 | |
| 23 | Absorb tower top temperature | CCS004 | °C | 40 ± 10 | |
| 24 | Stable base temperature | CCS005 | °C | 160-200 | |
| 25 | Stable top temperature | CCS006 | °C | 50-70 | |
| 26 | Reabsorb top pressure | CCS007 | Mpa | 0.8 ± 0.2 | |
| 27 | V1303 pressure | CCS008 | Mpa | ≤ 2.0 | |
| 28 | Hot worker | Deaerator level | CCT001 | % | 50-80 |
| 29 | Superheated steam temperature | CCT002 | °C | ≥ 360 | |
| 30 | Medium pressure barrel | CCT003 | Mpa | 3.5 ± 0.5 | |
| 31 | Medium pressure tank level | CCT004 | % | 30-100 | |
| 32 | Production machinery group | Main fan lubricating oil pressure | CCM001 | Mpa | 0.25 ± 0.35 |
| 33 | Main fan lubricating oil temperature | CCM002 | °C | 30 ± 10 | |
| 34 | Turbocharger lubrication temperature | CCM003 | °C | 40 ± 10 | |
| 35 | Barometric lubrication temperature | CCM004 | °C | 30 ± 5 | |
| 36 | Pneumatic outlet pressure | CCM005 | Mpa | 0.5-1.5 | |
| 37 | Pneumatic intermediate level | CCM006 | % | ≤ 50 | |
| 38 | Pneumatic inlet level | CCM007 | % | ≤ 10 | |
| 39 | Gas turbine outlet temperature | CCM008 | °C | 520-550 | |
| 40 | Main fan outlet pressure | CCM009 | Mpa | 0.25 ± 0.05 |
Data sets under different working conditions
| Category | Initial operating condition | New working condition | ||
|---|---|---|---|---|
| Cutting tool | Alloy steel straight shank hemp | Fancy drill (φ6) | Alloy steel straight shank hemp | Fancy drill (φ8) |
| Workpiece | 45 Steel | Q345B | ||
| Cutting parameters | ||||
| Manufacturing characteristics | 6mm hole | 10mm hole | ||
| Training set | 70 | 30 | ||
| Test set | 10 | 10 | ||