Hebei Moran Environmental Protection Technology.,Ltd is one of main metallurgical equipment factory in China. our products include new and used steel and aluminum rolling mill,2hi 4hi 6hi 8hi to 20 hi rolling mill machine, skin pass mil, tension leverler, tension leverler and skin pass mix mill, caster, steel coating line, pickling line ,annealing furnance,grinder, and other related equipment and its parts.our machine has been exported to many country and enjoy a very good reputation among our users.
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For coils to be pickled: Cold-rolled carbon structural steel, high-quality carbon structuralsteel and low alloy steel coils. Steel type: Q195/235, ST12/13, SPCC, SPCD and 20# Yield strength: 210~360N/mm 2 Tensile strength: 270~610N/mm 2 Specifications Coil thickness:1.2~4.5mm Coil width: 650~1650mm Inner diameter of coils to be pickled: ф610mm Inner diameter of coils after pickling: ф610mm Coil outer diameter: max.ф 2100mm Finished product width:1650mm Coil weight: max 30t Annual work plan: 300 days×24 hours Energy: water, electricity and vapor Product form: coils one after another Production capacity: 360000Ton/year Max. Process speed: 120m/min, Max 200 g/L HCl, 125g/L Fe 2+ ,5 g/L Fe 3+
II. The major technical targets Process method: Push-pull shallow trough turbulence hydrochloricacid pickling APU layout direction: From left to right when seating at operationout board Max. process speed: 120m/min Threading speed: 10~60m/min Point move speed: 10~30m/min Transmission way: AV driving system, speed regulated by variation frequency Acid concentration: Max 200 g/L HCL, 125g/L Fe 2+ ,5 g/L Fe 3+ Min. acid pickling time: 26s Acid trough length in total: about 50m Whole ACU length: about 120m III. Process Process Flow
Major equipments in turns are as follows: Crane hoisting coils to skids →coil laoding car→ decoiler (pressure roller, anti-curve roller) → decoiling scraper → Deflector roll → vertical guide roller → pinch roller straightener → crop shearer →corner shearer(with scrap bucket) → vertical guide roller → pre-washing trough → four-grade hydrochloric acid pickling trough → four-grade washing trough (Including pre-washing section) → edge blowing device → hot air dryer → II# pinch roller → looper (Both ends are equipped with looper swing stand) → vertical guide roller → pinch centering machine → circle shearer (With waste edge recoiler) → 3-roller tension roller → crosscut shearer → vertical guide roller → steering pinch roller → recoiler → coil unloading trolley → coil receiving stand →Crane hoisting coils to storage house IV Energy Electricity: installed capacity: about 1500kw, 380v Including: Major transmission (AC frequency conversion motor) installedcapacity: 900kw Auxiliary equipments (Constant AC motor) installed capacity: 600kw The two parties' electricity connection is separated by Party B control cabinet inlet line switch upper port; Party B's switch is protected and will provide relevant installed capacity. Cables and span structure except the controlling cabinet shall be provided by Party A. Note: Workshop public facilities electricity energy is not included. Compressed air: 0.4~0.6Mpa, purified air: 4 Nm 3 per min Water: Rinsing water is soft water. Consumption on average is about 5 m 3 per hour Vapor: Providing capacity is 6.5t/h(p=0.5Mpa 151ºC saturated vapor), actual consumption on average is about 6t/h Waste air discharge amount: about 16000 m 3 per hour Pollution control: Waste liquid: rinsing water: 5 m 3 per hour, including HCL less than 10g/L Waste air: HCL content is less than 20mg/ m 3 The whole APU length:113m Plant width: 33m
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