When a vessel is heated or cooled by coil or jacket, axial flow is prefered. Agitator can also mounted horizontally from side of a tank, called side entering agitator, for very large diameter storage tanks. This is the normal practice for mounting an agitator in small and medium size tanks.
Type of Agitator: Generally agitator is mounted vertically at the top of the tank. Degree of agitation increases with increase in number of revolutions of agitator and increase in impeller diameter. For Mild mixing, time required for total mixing can be few hours. For Moderate mixing, time required for total mixing can be few minutes. For Vigourous mixing, time required for total mixing can be few seconds.
Type of Agitation: Agitation can be Vigourous, Moderate or Mild. For Agitators / Mixers, factors to be considered for design are
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