Environmental Protection System for Aluminium(Aluminum) Double Coating Line
An expert for the disposal of organic waste gases in the pre-painting industry
An expert for the disposal of organic waste gases in the pre-painting industry
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Main Technical Parameters |
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1. Aluminum Coating Line |
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Coating type |
Double coating & single baking |
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Raw material |
Aluminum coil |
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Coil thickness |
0.02～1.0mm |
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Coil width |
800～1600mm |
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Coating speed |
<30m/min |
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Coating thickness |
Dry film 18～30μm Paint solid content 45～50％ |
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Drying channel dimension |
1300mm×2000 mm×30000mm |
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Oven temperature range |
Zone I: 180℃～240℃ Zone II: 220℃～280℃ Zone III: 240℃～320℃ Zone Ⅳ: 240℃～280℃ |
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2. Flue Gas Treatment |
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Treatment method |
Heating |
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Treated volume |
Max12000Nm3 |
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Flue gas density |
0~8g/m3 |
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Flue gas mixture |
Mainly benzene & fats |
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Main Technical Parameters |
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1. Flue Gas Treatment |
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Flue gas temperature |
~250℃ |
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Cracking temperature |
~750℃ |
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Designed highest temperature |
800℃ |
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Heat supply source |
Natural gas |
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Consumption of natural gas |
Max1200000kcal/h |
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Total installed power |
~125kw |
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Heating for the oven |
Heat exchange and reuse of exhaust gas from the coating room |
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Heating for pre-treatment |
Heat exchange and reuse of vapor and chemical hot air |
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Model of induced draft fan |
Y5-48 10C 55kw, AC control |
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Model of fresh air fan |
4-72 6C 5.5kw |
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Model of vapor chemical fan |
4-72 6C 5.5kw |
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Model of circulated air fan in oven |
Y4-72 6C 11kw |
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Valve control |
Manual / automatic |
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System control |
PLC programmable control |
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System operation |
Manual / automatic |
Flue Gas Treatment Process
Flue gas purification - Consists of burner, heating room, flue gas heat exchanger, flue gas draft fan, control system, pipes & valves
Afterheat reuse for oven heating - Consists of low-temperature fresh air heat exchanger, high-temperature fresh air heat exchanger, circulating fan, fresh air fan, control system, pipes & valves
Afterheat reuse for vapor & chemical ovens - Consists of heat exchanger, air fan, control system, pipes & valves
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