China Color Coating Line for Home Appliance Grade

Color Coating Line
Color coating line(Abr. CCL) is a production, which includes process of degreasing, phosphate, passivation, and continuous roller coating on strip surface with multi-layer coating(such SMP, HDP, PVDF,etc.) for new type functional strip. CCL is composed with Pay-off reel, sticher(welder), storage, degreasing section, roller-type coater, curing oven, shear and re-coiler,.etc.
I. Equipment parameters:
1. Incoming material: zince electroplating, hot-dip galvanizing, hot-dip galvalume, cold rolling plate.
2. Strip width: 600~1500 mm
3. Strip thickness: 0.15~1.5mm
4. OD: φ800~2000mm
5. Process speed: 25~150m/min
6. Coating thickness : Dry layer top surface thickness 5~25μm
Dry layer bottom surface thickness 5~15μm
7. Production: 50,000~200,000 tpy
8. Energy: Power, natural gas, LPG, coal gas, steam, compressed air and etc.
II. Equipment character:
1. Advanced continuous coating process, two coating and two baking for up and down side, with reliable techniques, widely used in metallic workshops, municipal structure and high - end civil buildings.
2. The pretreatment section uses continuous alkali spray, alkali brushing and three stage water spray, and last stage set fresh water spray to enhance the degreasing effect, ensure the cleanness and the quality of the product.
3. To strengthen the adhesion of the paint, we use non chrome chemical coating technology, with chemical agent cycling and agitating system, the chemical film and coater could form in high quality and performance. This process also has features of environmental friendly, high utilization, and high adhesion.
4. The coater was equipped with pressure sensor to display and control the uniformity of the coat, using vector motor variable frequency speed adjustment for forward or backward coating, could control the thickness of the coat layer into one μm, to adjust the requirement of different products.
5. The baking furnace uses multiple stage labyrinth board structure with high heat preservation, and has several hot air cycling devices, fresh air filling system, waste gas emission, automatic temperature control and other functions, equipped with incinerate and complete heat recovery devices, reached national emission standard, saving energy and lower the cost of the production.
6. The control system has ACFCVM, CPC and EPC, on site bus and etc, with nice user interface and stable equipments.
7. New concept of intelligence production and power management system, configured with frequency control fan for lowering energy consumption.
input materialthicknesswidthprocess speeddry film thicknessenergiesGalvanized plate
cold rolled plate
Al plate
Stainless steel plate0.15-1.5600-1250Max 20015-40fuel gas, electricity
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