| Customization: | Available |
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| Application: | Aerospace Industry, Appliance Industry, Automotive Industry, Construction Industry, Electronics Industry, Furniture Industry |
| Coating Type: | Powder Coating |
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Powder Coating Spray Line Introduction:
The components of the coating line mainly include: pre-treatment equipment, dusting system, Powder coating equipment, powder recycling equipment, heating drying curing tunnel furnace, heat source system, electronic control system, suspension conveyor chain and so on.
General Metal Material Coating Process:
First, the pre-treatment: purpose: to remove the surface of the workpiece generated by a layer of anti-corrosion and can be applied with the coating adhesion of the "phosphating layer" main process steps: degreasing, derusting, phosphating, passivation. After the pre-treatment of the workpiece, not only the surface has no oil, rust and dust, but also a gray and white shiny surface produces a uniform and rough rust-free gray phosphating film, which can both rust and increase the adhesion of the sprayed layer. . Related equipment: pre-processing bad. Related materials (chemicals) sulfuric acid, hydrochloric acid, soda ash, acid degreaser, phosphating solution, passivation solution.
Second, electrostatic spraying: purpose: the powder coating is evenly sprayed onto the surface of the workpiece, special workpieces (including the location where the electrostatic screen is prone to occur) should be finished with a high-performance electrostatic spray machine. Process steps: Using the adsorption principle of the electrostatic spray machine, a layer of powder coating is sprayed evenly on the surface of the workpiece; the dropped powder passes through the recovery system and can be reused after being sieved.
Three. Air compressor and compressed air purifier (oil water filter) related materials: powder coating (spraying raw materials, commonly known as "plastic powder", with high light, bright light, semi-matt, matt, sand, hammer, crack, etc. Different effects and different colors)
Four. Drying and curing: Purpose: The powder coating on the surface of the workpiece is heated to the specified temperature and kept for a corresponding time to melt, level and solidify, so as to achieve the desired surface effect of the workpiece. Process: Push the sprayed workpiece into the curing oven, heat it to a fixed temperature (typically 185 degrees), and keep it for the corresponding time (15 minutes). Heating and control systems (including electric heating, fuel, gas, coal, biomass heating, new heating materials, etc.) related equipment: biomass burners (various heating equipment), drying tunnels.
Five, Decorative treatment: purpose: to achieve a certain special appearance of the workpiece after electrostatic spraying, such as: a variety of wood grain, pattern, lightening and so on. Process steps: cover light, transfer and other processing techniques.
The main process flow of the coating production line:
Loading Product → pre-treatment → dehydration drying → cooling → electrostatic powder (paint) spraying → powder (paint drying) curing → cooling → inspection → Unloading Product→Package
| Inside Size | 6000×3200×3000mm (LXWXH) |
| Wall panel | 1.5mm thick painted cold rolled steel sheet |
| Front open | 3200*3000mm(W*H),no door |
| Side door | 2 sets,size:800*2000mm(W*H) |
| Air Circulation System | 2 set of 7.5kw/set 4-72 A-type outlay motor fan.Each fan air flow capacity:10562*2m³/h ,air pressure:1673Pa,rotate speed:2900r/min |
| Recycling System | 7*2 units of filter cartridge,each filter size:324*600mm,with pulse shaking device. Air compressor pressure:0.4-0.6MPa,valve pressure:0.8Mpa |
| Lighting System | Ceiling Light: 8 units of anti-explosion lights |
| Control system | Electric control box, Power On/Off Control,Fan controls,Lighting Controls,Pulse controls,Emergen |
2.Powder coating oven specification
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Outside Size(mm) |
6300x3300x3100mm (LXWXH) |
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Inside size(mm) |
6000x3000x2800mm (LXWXH) |
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Wall panel |
Rock wool steel board,150 mm thick, anti-flame and heat-insulation |
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Pass type doors |
2 sets ,3000*2800m(W*H) |
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Fan |
1 set 5.5 kw high-temperatute fan,air flow capacity:9000m3/h Fan and burner box inner is 1.2 mm thick stainless steel,out is also 150mm thick rock wool panel to keep heat |
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Heating system |
1set of Riello FS34 natural gas burner,340000KCal/h max temp:250 ºC, heating time: 20-25 min (180-250ºC) |
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Control system |
Temperature alarm(With inductor in the oven) ,stop button,process setting system:could set baking time and temperature,when baking time arrive,stop automaticly |
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Total power |
5.5kw |
1) Pre-treatment system: Automatic Spraying pre-treatment and dipping pre-treatment are available;
2) Drying oven: Drying oven which drying the water after pre-treatment is designed according to customers' actual conditions.
3) Powder coating spray system: Automatic spray reciprocator, manual spray equipment and Semi-auto (Auto-spraying with manual repairing spraying) are for your choice;
4) Powder recycling system: Cyclone equipment and cartridge filters is customized and introduced according to actual requirement by customer;
5) Curing oven: Tunnel curing oven, bridge type curing oven, Electric power heating curing oven, Gas-heating curing oven, Diesel heating curing oven, High temperature, lower temperature curing oven is available for fitting your sole factory.
6) Conveying system: Various design according to different requirement by customer on the basis of customers' workpiece and output information.
7) Control system: PLC control, with or without touch screen
8) Spray gun and reciprocator\
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