The equipment is a round barrel with a layed ellipse head,cone bottom, a propeller-like mixing speed-reducer inside, a special, mini-adjusted, revolving out-liquid tube and an in-material valve,frozen salt water or cooled water can go through barrel layer to cool down liquid material indirectly and control the temperature of liquid sediment,you'd better seperate liquid from solid in low temperature frozen state so as to improve the purity.
alcohol sediment tank