一． 工艺建设一条热镀铝锌生产线和一条彩涂板生产线，用于建筑板生产。1

One. Process <br>construction of a hot-dip galvanized aluminum production line and a color-coated board production line for building board production. <br>1. Aluminum-zinc plating production line <br>1. Raw material rolled carbon structural steel, high-quality carbon structural steel and low alloy steel coil <br>2. Steel types SPCC, SPCD, etc. Tensile strength: max800N / mm2 Yield strength: max735N / mm2 <br>3. Production capacity: 150000 t / a <br>4. Raw material coil technical performance Strip thickness: 0.18 ～ 0.8mm Strip width: 900 ～ 1250mm Steel coil weight: 5 ～ 20t Steel coil inner diameter: Φ508mm Φ610mm steel coil outer diameter: Φ1800mm (max) <br>5. Technical properties of finished coil Steel coil weight: 5 ～ 15t steel coil inner diameter: Φ508mm steel coil outer diameter: Φ1500mm (max) <br>6. Normal zinc flower on the surface of the coating . <br>7. The surface protection state is oiled and passivated. <br>8. The coating weight is 30 ～ 180g / m2 (both sides), the guaranteed value is 40g / m2. <br>9. Main technical indicators of the production line The maximum process speed of the production line: 150m / min The minimum process speed of the production line: 30m / min, the linear speed of the unwinding and rewinding section: 20 ～ 200m / min The threading speed: 15m / min The transmission mode of the unit: AC transmission, Variable frequency speed regulation coating thickness adjustment range (both sides): 30 ～ 180 g / m2 Zinc layer control method: Air knife method coating state: Normal zinc flower product technology: Hot dip aluminum zinc coating protection: Roller passivation, oil coating

One. Process<br>Construction of a hot aluminum-plated zinc production line and a color coating production line for construction board production.<br>1. Aluminium-galvanized production line<br>1. Raw material rolled carbon structure steel, high-quality carbon structure steel and low alloy steel roll.<br>2. Steel SPCC, SPCD, etc. Tensile strength: max800N/mm2 yield strength: max735N/mm2<br>3. Production capacity: 150000 t/a <br>4. Raw material roll technical performance with steel thickness: 0.18 to 0.8mm with steel width: 900 to 1250mm steel roll weight: 5 to 20t steel roll inner diameter: s508mm s 610mm steel roll outer diameter: s1800mm (max)<br>5. Finished roll technical performance Steel roll weight: 5 to 15t steel roll inner diameter: s508mm steel roll outer diameter: s1500mm (max) <br>6. Coating surface state Ordinary zinc flower.<br>7. Surface protection state Oiled and passivated. <br>8. Coating weight 30 to 180g/m2 (double-sided), guaranteed value of 40g/m2.<br>9. Line main technical indicatorS Production line maximum process speed: 150m/min production line minimum process speed: 30m/min, open-roll segment line speed: 20 to 200m/min belt speed: 15m/min unit transmission mode: AC transmission mode: AC transmission mode, variable frequency speed plating thickness adjustment range (double-sided): 30 to 180 g/m2 zinc layer control method: gas knife method coating state: normal zinc flower product process: hot-dip aluminum galvanized zinc coating protection: roller coating passivation, oil coating

1、 Process<br>A hot-dip aluminum zinc production line and a color coated plate production line will be built for the production of building plates.<br>1. Aluminum zinc plating production line<br>1. Raw material rolling carbon structural steel, high-quality carbon structural steel and low alloy steel coil.<br>2. Steel SPCC, SPCD, etc. Tensile strength: max800N/mm2 yield strength: max735N/mm2<br>3. Production capacity: 150000t / A<br>4. Technical performance of raw material coil: strip thickness: 0.18-0.8mm strip width: 900-1250mm coil weight: 5-20T coil inner diameter: Φ 508mm Φ 610mm coil outer diameter: Φ 1800mm (max)<br>5. Technical performance of finished coil weight of coil: 5 ~ 15t inner diameter of coil: Φ 508mm outer diameter of coil: Φ 1500mm (max)<br>6. The surface state of the coating is ordinary zinc flower.<br>7. Oil and passivate the surface in a protective state.<br>8. The coating weight is 30-180g / m2 (double-sided), and the guaranteed value is 40g / m2.<br>9. Main technical indicators of the production line: maximum process speed of the production line: 150m / min; minimum process speed of the production line: 30m / min; line speed of the opening and winding section: 20-200m / min; threading speed: 15m / min; transmission mode of the unit: AC transmission, frequency conversion and speed regulation; coating thickness adjustment range (both sides): 30-180g / m2; zinc coating control method: air knife method; coating status: normal zinc flower Product process: hot dip aluminum zinc coating protection: roll coating passivation, oil coating