Wholesale Printing Paper Manufacturing Plant - Writing Paper Machine Cylinder Mould Former Design – Dingchen

White scrap paper → Stock preparation system→Cylinder mould part→Press part→Dryer group→Calendering part →Reeling part→Slitting&Rewinding part

Requirements for Water, electricity, steam, compressed air and lubrication:

1.Fresh water and recycled use water condition:
Fresh water condition:clean,no color,low sand
Fresh water pressure used for boiler and cleaning system:3Mpa、2Mpa、0.4Mpa(3 kinds) PH value:6~8
Reuse water condition:
COD≦600 BOD≦240 SS≦80 ℃20-38 PH6-8

2. Power supply parameter
Voltage:380/220V±10%
Controlling system voltage:220/24V
Frequency:50HZ±2

3.Working steam pressure for dryer ≦0.5Mpa

4. Compressed air
● Air source pressure：0.6～0.7Mpa
● Working pressure：≤0.5Mpa
● Requirements： filtering、degreasing、dewatering、dry
Air supply temperature:≤35℃

1.Raw material consumption: 1.2 tons waste paper for producing 1 ton paper 
2.Boiler fuel consumption: Around 120 Nm3 natural gas for producing 1 ton paper 
Around 138 liter diesel for making 1 ton paper
Around 200kg coal for making 1 ton paper
3.Power consumption: around 250 kwh for producing 1 ton paper
4.Water consumption: around 5 m3 fresh water for making 1 ton paper 
5.Operating personal: 9 workers/shift, 3 shifts/24hours