METHOD OF RECONDITIONING USED STEEL DRUMS

The method and apparatus for reconditioning used steel drums containing organic matter, rust, interior linings, and the like, preheating the drums up to 700 DEG F, chemical and/or water washing the drums' interior with high pressure spray and draining, a sulfuric acid solution bath spray imping...

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1. Verfasser: EVANS R,US
Format: Patent
Sprache:eng
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Zusammenfassung:The method and apparatus for reconditioning used steel drums containing organic matter, rust, interior linings, and the like, preheating the drums up to 700 DEG F, chemical and/or water washing the drums' interior with high pressure spray and draining, a sulfuric acid solution bath spray impinging on said surface while heated, a hydrochloric acid solution bath spray impining on said surface after the sulfuric acid is drained off, a water bath and drain stage for reducing the acidity in the drum, and a neutralizing bath to clean the final remnants of any presence of an acid from the inner surfaces of the drum.