1, Design basis
1. Materials: galvanized steel plate, aluminum zinc plate, aluminum coil
(Including FH, yield strength<500MPa)
2. Steel coil weight Max15t/coil
3. Finished product weight Max8t/roll
4. Steel coil outer diameter raw material with a diameter of 508-1600mm
Finished product with a diameter of 508-1200mm
5. Inner diameter of raw steel coil with diameter of 508
Finished steel coil inner diameter with a diameter of 508
6. Steel plate thickness 0.2-1.0mm
7. Steel plate width 600-1250mm
8. Production line design process speed 130m/min (transmission speed Max160 m/min)
9. Energy, water, electricity, and natural gas
10. Roller coating process with continuous two coating and two drying on both sides
11. The linear speed before the inlet loop and after the outlet loop is 20-130m/min.
12. Color plate coating thickness: The dry film thickness of the surface (back) paint can be adjusted between 5-15 μ m.
13. On the premise that the galvanized substrate meets the national standard GB/T2518-2004 and the coating thickness and paint indicators of the color plate meet the national standards, the quality indicators of the color plate coating meet the relevant technical parameters in GB/T 12754-2006.
14. The width direction deviation of the color plate roll is ≤ ± 2.0mm on one side.
15. Production guideline: 100000 tons per year (calculated based on the maximum process speed corresponding to the steel plate specification of 1000mm x 0.3mm, 130 meters per minute).
16. Production line direction: From the operating side, from right to left.
2.1 Process and temperature requirements (corresponding to a maximum speed of 160 meters)
2.2 Basic process flow
The main equipment consists of: manual feeding and uncoiling units I and II, steel strip shearing machines, riveting machines, flattening rollers, tensioning machines I (S rollers), inlet looper tensioning machines II (S rollers), degreasing roller brush machines II, roller brush water washing I, water washing II, water and gas drying furnaces Passivation machines Passivation drying furnaces 1 # Correction machine Tensioning machines III (S rollers), bottom back coating machines, initial coating drying ovens, initial coating water cooling devices 2 # Correction machines 3 # Correction machines, roller tensioning machines IV (S rollers), fine back coating machines, fine coating drying ovens, fine coating water cooling correction machines 5, tensioning machines V (S rollers), outlet looper correction machines, 6 rolls Tensioning VI (S-roll) steel strip shearing machine servo winding unit for unloading
The main equipment also includes an electrical control system, hydraulic system, and pneumatic system. The auxiliary equipment also includes a steel coil moving cart.
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