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1. Description:Push-pull pickling line, higher quality, simply operation, good applicabilityLow consumption and fewer faults, so it is very fit for medium and small cold rolling plantThe Push-pull pickling line capacity is among 100,000~600,000 tons annually.It can acid washing many kinds of incoming material2. Push-pull pickling line technology parameter:Process method: push-pull shallow slot turbulence hydrochloric acidPickling medium: hydrochloric acid (=31 Percent)Pickling density: 8~18 PercentPickling time: minimum: 25-30sPickling temperature: 65~85& 176CAcid density: Max 200 g/L HCl 120g/LFe2Driven way: SIEMENS AC frequency control system in main driving3. DataFollowing is the data for push-pull pickling hot rolled strip with the annual output of 400,000 tonsAcid mediumAnnual outputStrip thicknessStrip widthCoil WeightLine speedHCL100,000-600,000tons1.2-6.0mm450-1630mmMax 35tons40-180m/min 4. Process Flow of Push-pull pickling line:Pre-uncoiling station:Loading platform ? entry coil car ? pay-off reel ? pinch straightener ? comer shear ? shear pickling unitPickling line:Manually loading ? pay-off reel ? pinch straightener ? entry shear ? riveter pinch roll? back washing ? pickling ? water washing ? drying ? looper ?disc shear ? exit shear ? electrostatic oiling ? recoiler ? manually unloading
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